0.5.0-alpha.6

Closes #127.

.gitignore

@@ -2,4 +2,4 @@
 /target
 /scratch-project
 **/*.rs.bk
-/generate-docs.run
+/server/failed-snapshots/

.gitmodules

@@ -1,12 +1,6 @@
 [submodule "plugin/modules/roact"]
 	path = plugin/modules/roact
 	url = https://github.com/Roblox/roact.git
-[submodule "plugin/modules/rodux"]
-	path = plugin/modules/rodux
-	url = https://github.com/Roblox/rodux.git
-[submodule "plugin/modules/roact-rodux"]
-	path = plugin/modules/roact-rodux
-	url = https://github.com/Roblox/roact-rodux.git
 [submodule "plugin/modules/testez"]
 	path = plugin/modules/testez
 	url = https://github.com/Roblox/testez.git
@@ -16,3 +10,6 @@
 [submodule "plugin/modules/promise"]
 	path = plugin/modules/promise
 	url = https://github.com/LPGhatguy/roblox-lua-promise.git
+[submodule "plugin/modules/t"]
+	path = plugin/modules/t
+	url = https://github.com/osyrisrblx/t.git

CHANGELOG.md

@@ -2,6 +2,16 @@
 
 ## [Unreleased]
 
+## [0.5.0 Alpha 6](https://github.com/LPGhatguy/rojo/releases/tag/v0.5.0-alpha.6) (March 19, 2019)
+* Fixed `rojo init` giving unexpected results by upgrading to `rbx_dom_weak` 1.1.0
+* Fixed live server not responding when the Rojo plugin is connected ([#133](https://github.com/LPGhatguy/rojo/issues/133))
+* Updated default place file:
+    * Improved default properties to be closer to Studio's built-in 'Baseplate' template
+    * Added a baseplate to the project file (Thanks, [@AmaranthineCodices](https://github.com/AmaranthineCodices/)!)
+* Added more type support to Rojo plugin
+* Fixed some cases where the Rojo plugin would leave around objects that it knows should be deleted
+* Updated plugin to correctly listen to `Plugin.Unloading` when installing or uninstalling new plugins
+
 ## [0.5.0 Alpha 5](https://github.com/LPGhatguy/rojo/releases/tag/v0.5.0-alpha.5) (March 1, 2019)
 * Upgraded core dependencies, which improves compatibility for lots of instance types
     * Upgraded from `rbx_tree` 0.2.0 to `rbx_dom_weak` 1.0.0

Cargo.lock

@@ -3,7 +3,7 @@ name = "MacTypes-sys"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -40,7 +40,7 @@ name = "atty"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -57,8 +57,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -69,7 +69,7 @@ version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -102,7 +102,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
-version = "0.4.11"
+version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -128,7 +128,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -159,7 +159,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -167,44 +167,20 @@ name = "core-foundation-sys"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crc32fast"
-version = "1.1.2"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-channel"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.6.3"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -217,19 +193,27 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -250,6 +234,15 @@ dependencies = [
  "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ctor"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "difference"
 version = "2.0.0"
@@ -265,12 +258,12 @@ name = "encoding_rs"
 version = "0.8.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "env_logger"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -304,7 +297,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -313,8 +306,8 @@ name = "filetime"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -343,7 +336,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fsevent-sys 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -351,7 +344,7 @@ name = "fsevent-sys"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -398,7 +391,7 @@ version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -406,7 +399,7 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -419,7 +412,7 @@ name = "http"
 version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -442,7 +435,7 @@ name = "hyper"
 version = "0.12.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -454,12 +447,12 @@ dependencies = [
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -469,11 +462,11 @@ name = "hyper-tls"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -498,7 +491,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "inotify-sys 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -506,7 +499,7 @@ name = "inotify-sys"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -514,7 +507,7 @@ name = "iovec"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -544,17 +537,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.49"
+version = "0.2.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libflate"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -571,7 +564,7 @@ name = "log"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -579,7 +572,7 @@ name = "lz4"
 version = "1.23.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "lz4-sys 1.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "skeptic 0.13.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -590,7 +583,7 @@ version = "1.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -608,7 +601,7 @@ name = "memchr"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -621,7 +614,7 @@ name = "mime"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -645,7 +638,7 @@ dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -681,7 +674,7 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -697,8 +690,8 @@ name = "net2"
 version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -709,7 +702,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "notify"
-version = "4.0.9"
+version = "4.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -718,7 +711,7 @@ dependencies = [
  "fsevent-sys 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "inotify 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -735,7 +728,7 @@ name = "num_cpus"
 version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -744,10 +737,10 @@ version = "0.10.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -762,12 +755,20 @@ version = "0.9.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "output_vt100"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "owning_ref"
 version = "0.4.0"
@@ -790,7 +791,7 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -814,7 +815,7 @@ dependencies = [
  "proc-macro-hack 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -864,11 +865,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pretty_assertions"
-version = "0.5.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "output_vt100 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -878,12 +881,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "proc-macro-nested"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -921,7 +924,7 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -933,13 +936,13 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -988,19 +991,19 @@ name = "rand_jitter"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_os"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1031,12 +1034,12 @@ dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lz4 1.23.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rbx_dom_weak 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rbx_dom_weak 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rbx_dom_weak"
-version = "1.0.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1052,12 +1055,12 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rbx_dom_weak 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rbx_dom_weak 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rbx_xml"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1065,7 +1068,7 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "maplit 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rbx_dom_weak 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rbx_dom_weak 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "xml-rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1120,17 +1123,17 @@ dependencies = [
 
 [[package]]
 name = "reqwest"
-version = "0.9.10"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding_rs 0.8.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "http 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-tls 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libflate 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libflate 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1138,10 +1141,10 @@ dependencies = [
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1154,7 +1157,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "htmlescape 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro-nested 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ritz_impl 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1176,33 +1179,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rojo"
-version = "0.5.0-alpha.5"
+version = "0.5.0-alpha.6"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "csv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "maplit 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "notify 4.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "notify 4.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rbx_binary 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rbx_dom_weak 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rbx_dom_weak 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rbx_reflection 2.0.374 (registry+https://github.com/rust-lang/crates.io-index)",
- "rbx_xml 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rbx_xml 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "reqwest 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "reqwest 0.9.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "ritz 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rlua 0.16.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1264,7 +1266,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1275,7 +1277,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "MacTypes-sys 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1304,7 +1306,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1383,7 +1385,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.27"
+version = "0.15.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1398,7 +1400,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1416,8 +1418,8 @@ name = "tempfile"
 version = "3.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1437,7 +1439,7 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1463,31 +1465,31 @@ name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.1.15"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-current-thread 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)" = "423e376fffca3dfa06c9e9790a9ccd282fafb3cc6e6397d01dbf64f9bacc6b85"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "53ee8cfdddb2e0291adfb9f13d31d3bbe0a03c9a402c01b1e24188d86c35b24f"
 "checksum regex-syntax 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8c2f35eedad5295fdf00a63d7d4b238135723f92b434ec06774dad15c7ab0861"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
-"checksum reqwest 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)" = "f205a95638627fc0d21c53901671b06f439dc2830311ff11ecdff34ae2d839a8"
+"checksum reqwest 0.9.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e542d9f077c126af32536b6aacc75bb7325400eab8cd0743543be5d91660780d"
 "checksum ritz 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e7b52479a28408dacd24819d32f3562146b5f03eb0a06a8b2d7b11e34fbfe52d"
 "checksum ritz_impl 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fa7bba143ce94ca7e580094b8c4f6338b960b3bfa5ad7f479700e414b24d5d7b"
 "checksum rlua 0.16.2 (registry+https://github.com/rust-lang/crates.io-index)" = "51acb42c134a6568911a2aef2cea5feb80503804cc8986b903983ebfb1342a2c"
@@ -1897,7 +1909,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b639411d0b9c738748b5397d5ceba08e648f4f1992231aa859af1a017f31f60b"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-"checksum syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)" = "525bd55255f03c816e5d7f615587bd13030c7103354fadb104993dcee6a788ec"
+"checksum syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)" = "1825685f977249735d510a242a6727b46efe914bb67e38d30c071b1b72b1d5c2"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
 "checksum tempfile 3.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "b86c784c88d98c801132806dadd3819ed29d8600836c4088e855cdf3e178ed8a"
@@ -1906,18 +1918,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
-"checksum tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "e0500b88064f08bebddd0c0bed39e19f5c567a5f30975bee52b0c0d3e2eeb38c"
+"checksum tokio 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "fcaabb3cec70485d0df6e9454fe514393ad1c4070dee8915f11041e95630b230"
-"checksum tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "331c8acc267855ec06eb0c94618dcbbfea45bed2d20b77252940095273fb58f6"
+"checksum tokio-current-thread 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c756b04680eea21902a46fca4e9f410a2332c04995af590e07ff262e2193a9a3"
 "checksum tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30c6dbf2d1ad1de300b393910e8a3aa272b724a400b6531da03eed99e329fbf0"
-"checksum tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b53aeb9d3f5ccf2ebb29e19788f96987fa1355f8fe45ea193928eaaaf3ae820f"
+"checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
-"checksum tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "afbcdb0f0d2a1e4c440af82d7bbf0bf91a8a8c0575bcd20c05d15be7e9d3a02f"
+"checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
+"checksum tokio-sync 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1bf2b9dac2a0509b5cfd1df5aa25eafacb616a42a491a13604d6bbeab4486363"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
-"checksum tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c3fd86cb15547d02daa2b21aadaf4e37dee3368df38a526178a5afa3c034d2fb"
+"checksum tokio-threadpool 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "742e511f6ce2298aeb86fc9ea0d8df81c2388c6ebae3dc8a7316e8c9df0df801"
 "checksum tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2910970404ba6fa78c5539126a9ae2045d62e3713041e447f695f41405a120c6"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
-"checksum unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3218ea14b4edcaccfa0df0a64a3792a2c32cc706f1b336e48867f9d3147f90"
+"checksum unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "41d17211f887da8e4a70a45b9536f26fc5de166b81e2d5d80de4a17fd22553bd"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"

docs/installation.md

@@ -25,7 +25,7 @@ If you have Rust installed, the easiest way to get Rojo is with Cargo!
 To install the latest 0.5.0 alpha, use:
 
 ```sh
-cargo install rojo --version 0.5.0-alpha.5
+cargo install rojo --version 0.5.0-alpha.6
 ```
 
 ## Installing the Plugin

plugin/default.project.json

@@ -8,14 +8,11 @@
     "Roact": {
       "$path": "modules/roact/lib"
     },
-    "Rodux": {
-      "$path": "modules/rodux/lib"
-    },
-    "RoactRodux": {
-      "$path": "modules/roact-rodux/lib"
-    },
     "Promise": {
       "$path": "modules/promise/lib"
+    },
+    "t": {
+      "$path": "modules/t/lib/t.lua"
     }
   }
 }

plugin/place.project.json

@@ -15,14 +15,11 @@
         "Roact": {
           "$path": "modules/roact/lib"
         },
-        "Rodux": {
-          "$path": "modules/rodux/lib"
-        },
-        "RoactRodux": {
-          "$path": "modules/roact-rodux/lib"
-        },
         "Promise": {
           "$path": "modules/promise/lib"
+        },
+        "t": {
+          "$path": "modules/t/lib/t.lua"
         }
       },
       "TestEZ": {
@@ -40,8 +37,8 @@
       }
     },
 
-    "TestService": {
+    "ServerScriptService": {
-      "$className": "TestService",
+      "$className": "ServerScriptService",
 
       "TestBootstrap": {
         "$path": "testBootstrap.server.lua"

plugin/src/Components/App.lua

@@ -182,6 +182,13 @@ function App:didMount()
 	preloadAssets()
 end
 
+function App:willUnmount()
+	if self.currentSession ~= nil then
+		self.currentSession:disconnect()
+		self.currentSession = nil
+	end
+end
+
 function App:didUpdate()
 	local connectActive = self.state.sessionStatus == SessionStatus.ConfiguringSession
 		or self.state.sessionStatus == SessionStatus.Connected

plugin/src/Config.lua

@@ -1,6 +1,6 @@
 return {
 	codename = "Epiphany",
-	version = {0, 5, 0, "-alpha.5"},
+	version = {0, 5, 0, "-alpha.6"},
 	expectedServerVersionString = "0.5.0 or newer",
 	protocolVersion = 2,
 	defaultHost = "localhost",

plugin/src/DevSettings.lua

@@ -1,10 +1,27 @@
 local Config = require(script.Parent.Config)
 
+local Environment = {
+	User = "User",
+	Dev = "Dev",
+	Test = "Test",
+}
+
 local VALUES = {
 	LogLevel = {
 		type = "IntValue",
-		defaultUserValue = 2,
+		values = {
-		defaultDevValue = 3,
+			[Environment.User] = 2,
+			[Environment.Dev] = 3,
+			[Environment.Test] = 3,
+		},
+	},
+	TypecheckingEnabled = {
+		type = "BoolValue",
+		values = {
+			[Environment.User] = false,
+			[Environment.Dev] = true,
+			[Environment.Test] = true,
+		},
 	},
 }
 
@@ -42,7 +59,9 @@ local function setStoredValue(name, kind, value)
 	object.Value = value
 end
 
-local function createAllValues()
+local function createAllValues(environment)
+	assert(Environment[environment] ~= nil, "Invalid environment")
+
 	valueContainer = getValueContainer()
 
 	if valueContainer == nil then
@@ -52,20 +71,57 @@ local function createAllValues()
 	end
 
 	for name, value in pairs(VALUES) do
-		setStoredValue(name, value.type, value.defaultDevValue)
+		setStoredValue(name, value.type, value.values[environment])
 	end
 end
 
-_G[("ROJO_%s_DEV_CREATE"):format(Config.codename:upper())] = createAllValues
+local function getValue(name)
+	assert(VALUES[name] ~= nil, "Invalid DevSettings name")
+
+	local stored = getStoredValue(name)
+
+	if stored ~= nil then
+		return stored
+	end
+
+	return VALUES[name].values[Environment.User]
+end
 
 local DevSettings = {}
 
+function DevSettings:createDevSettings()
+	createAllValues(Environment.Dev)
+end
+
+function DevSettings:createTestSettings()
+	createAllValues(Environment.Test)
+end
+
+function DevSettings:hasChangedValues()
+	return valueContainer ~= nil
+end
+
+function DevSettings:resetValues()
+	if valueContainer then
+		valueContainer:Destroy()
+		valueContainer = nil
+	end
+end
+
 function DevSettings:isEnabled()
 	return valueContainer ~= nil
 end
 
 function DevSettings:getLogLevel()
-	return getStoredValue("LogLevel") or VALUES.LogLevel.defaultUserValue
+	return getValue("LogLevel")
+end
+
+function DevSettings:shouldTypecheck()
+	return getValue("TypecheckingEnabled")
+end
+
+function _G.ROJO_DEV_CREATE()
+	DevSettings:createDevSettings()
 end
 
 return DevSettings

plugin/src/InstanceMap.lua

@@ -45,6 +45,16 @@ function InstanceMap:removeInstance(instance)
 	end
 end
 
+function InstanceMap:destroyInstance(instance)
+	local id = self.fromInstances[instance]
+
+	if id ~= nil then
+		self:destroyId(id)
+	else
+		Logging.warn("Attempted to destroy untracked instance %s", tostring(instance))
+	end
+end
+
 function InstanceMap:destroyId(id)
 	local instance = self.fromIds[id]
 	self:removeId(id)

plugin/src/Reconciler.lua

@@ -1,7 +1,10 @@
+local t = require(script.Parent.Parent.t)
+
 local InstanceMap = require(script.Parent.InstanceMap)
 local Logging = require(script.Parent.Logging)
-local setProperty = require(script.Parent.setProperty)
+local setCanonicalProperty = require(script.Parent.setCanonicalProperty)
 local rojoValueToRobloxValue = require(script.Parent.rojoValueToRobloxValue)
+local Types = require(script.Parent.Types)
 
 local Reconciler = {}
 Reconciler.__index = Reconciler
@@ -24,11 +27,18 @@ function Reconciler:applyUpdate(requestedIds, virtualInstancesById)
 	end
 end
 
+local reconcileSchema = Types.ifEnabled(t.tuple(
+	t.map(t.string, Types.VirtualInstance),
+	t.string,
+	t.Instance
+))
 --[[
 	Update an existing instance, including its properties and children, to match
 	the given information.
 ]]
 function Reconciler:reconcile(virtualInstancesById, id, instance)
+	assert(reconcileSchema(virtualInstancesById, id, instance))
+
 	local virtualInstance = virtualInstancesById[id]
 
 	-- If an instance changes ClassName, we assume it's very different. That's
@@ -43,10 +53,10 @@ function Reconciler:reconcile(virtualInstancesById, id, instance)
 	self.instanceMap:insert(id, instance)
 
 	-- Some instances don't like being named, even if their name already matches
-	setProperty(instance, "Name", virtualInstance.Name)
+	setCanonicalProperty(instance, "Name", virtualInstance.Name)
 
 	for key, value in pairs(virtualInstance.Properties) do
-		setProperty(instance, key, rojoValueToRobloxValue(value))
+		setCanonicalProperty(instance, key, rojoValueToRobloxValue(value))
 	end
 
 	local existingChildren = instance:GetChildren()
@@ -81,10 +91,17 @@ function Reconciler:reconcile(virtualInstancesById, id, instance)
 		end
 	end
 
-	if self:__shouldClearUnknownInstances(virtualInstance) then
+	local shouldClearUnknown = self:__shouldClearUnknownChildren(virtualInstance)
-		for existingChildInstance in pairs(unvisitedExistingChildren) do
+
-			self.instanceMap:removeInstance(existingChildInstance)
+	for existingChildInstance in pairs(unvisitedExistingChildren) do
-			existingChildInstance:Destroy()
+		local childId = self.instanceMap.fromInstances[existingChildInstance]
+
+		if childId == nil then
+			if shouldClearUnknown then
+				existingChildInstance:Destroy()
+			end
+		else
+			self.instanceMap:destroyInstance(existingChildInstance)
 		end
 	end
 
@@ -100,13 +117,13 @@ function Reconciler:reconcile(virtualInstancesById, id, instance)
 
 		-- Some instances, like services, don't like having their Parent
 		-- property poked, even if we're setting it to the same value.
-		setProperty(instance, "Parent", parent)
+		setCanonicalProperty(instance, "Parent", parent)
 	end
 
 	return instance
 end
 
-function Reconciler:__shouldClearUnknownInstances(virtualInstance)
+function Reconciler:__shouldClearUnknownChildren(virtualInstance)
 	if virtualInstance.Metadata ~= nil then
 		return not virtualInstance.Metadata.ignoreUnknownInstances
 	else
@@ -114,28 +131,44 @@ function Reconciler:__shouldClearUnknownInstances(virtualInstance)
 	end
 end
 
+local reifySchema = Types.ifEnabled(t.tuple(
+	t.map(t.string, Types.VirtualInstance),
+	t.string,
+	t.Instance
+))
+
 function Reconciler:__reify(virtualInstancesById, id, parent)
+	assert(reifySchema(virtualInstancesById, id, parent))
+
 	local virtualInstance = virtualInstancesById[id]
 
 	local instance = Instance.new(virtualInstance.ClassName)
 
 	for key, value in pairs(virtualInstance.Properties) do
-		setProperty(instance, key, rojoValueToRobloxValue(value))
+		setCanonicalProperty(instance, key, rojoValueToRobloxValue(value))
 	end
 
-	instance.Name = virtualInstance.Name
+	setCanonicalProperty(instance, "Name", virtualInstance.Name)
 
 	for _, childId in ipairs(virtualInstance.Children) do
 		self:__reify(virtualInstancesById, childId, instance)
 	end
 
-	setProperty(instance, "Parent", parent)
+	setCanonicalProperty(instance, "Parent", parent)
 	self.instanceMap:insert(id, instance)
 
 	return instance
 end
 
+local applyUpdatePieceSchema = Types.ifEnabled(t.tuple(
+	t.string,
+	t.map(t.string, t.boolean),
+	t.map(t.string, Types.VirtualInstance)
+))
+
 function Reconciler:__applyUpdatePiece(id, visitedIds, virtualInstancesById)
+	assert(applyUpdatePieceSchema(id, visitedIds, virtualInstancesById))
+
 	if visitedIds[id] then
 		return
 	end

plugin/src/Reconciler.spec.lua

@@ -0,0 +1,218 @@
+local Reconciler = require(script.Parent.Reconciler)
+
+return function()
+	it("should leave instances alone if there's nothing specified", function()
+		local instance = Instance.new("Folder")
+		instance.Name = "TestFolder"
+
+		local instanceId = "test-id"
+		local virtualInstancesById = {
+			[instanceId] = {
+				Name = "TestFolder",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+		}
+
+		local reconciler = Reconciler.new()
+		reconciler:reconcile(virtualInstancesById, instanceId, instance)
+	end)
+
+	it("should assign names from virtual instances", function()
+		local instance = Instance.new("Folder")
+		instance.Name = "InitialName"
+
+		local instanceId = "test-id"
+		local virtualInstancesById = {
+			[instanceId] = {
+				Name = "NewName",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+		}
+
+		local reconciler = Reconciler.new()
+		reconciler:reconcile(virtualInstancesById, instanceId, instance)
+
+		expect(instance.Name).to.equal("NewName")
+	end)
+
+	it("should assign properties from virtual instances", function()
+		local instance = Instance.new("IntValue")
+		instance.Name = "TestValue"
+		instance.Value = 5
+
+		local instanceId = "test-id"
+		local virtualInstancesById = {
+			[instanceId] = {
+				Name = "TestValue",
+				ClassName = "IntValue",
+				Children = {},
+				Properties = {
+					Value = {
+						Type = "Int32",
+						Value = 9
+					}
+				},
+			},
+		}
+
+		local reconciler = Reconciler.new()
+		reconciler:reconcile(virtualInstancesById, instanceId, instance)
+
+		expect(instance.Value).to.equal(9)
+	end)
+
+	it("should wipe unknown children by default", function()
+		local parent = Instance.new("Folder")
+		parent.Name = "Parent"
+
+		local child = Instance.new("Folder")
+		child.Name = "Child"
+
+		local parentId = "test-id"
+		local virtualInstancesById = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+		}
+
+		local reconciler = Reconciler.new()
+		reconciler:reconcile(virtualInstancesById, parentId, parent)
+
+		expect(#parent:GetChildren()).to.equal(0)
+	end)
+
+	it("should preserve unknown children if ignoreUnknownInstances is set", function()
+		local parent = Instance.new("Folder")
+		parent.Name = "Parent"
+
+		local child = Instance.new("Folder")
+		child.Parent = parent
+		child.Name = "Child"
+
+		local parentId = "test-id"
+		local virtualInstancesById = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+				Metadata = {
+					ignoreUnknownInstances = true,
+				},
+			},
+		}
+
+		local reconciler = Reconciler.new()
+		reconciler:reconcile(virtualInstancesById, parentId, parent)
+
+		expect(child.Parent).to.equal(parent)
+		expect(#parent:GetChildren()).to.equal(1)
+	end)
+
+	it("should remove known removed children", function()
+		local parent = Instance.new("Folder")
+		parent.Name = "Parent"
+
+		local child = Instance.new("Folder")
+		child.Parent = parent
+		child.Name = "Child"
+
+		local parentId = "parent-id"
+		local childId = "child-id"
+
+		local reconciler = Reconciler.new()
+
+		local virtualInstancesById = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {childId},
+				Properties = {},
+			},
+			[childId] = {
+				Name = "Child",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+		}
+		reconciler:reconcile(virtualInstancesById, parentId, parent)
+
+		expect(child.Parent).to.equal(parent)
+		expect(#parent:GetChildren()).to.equal(1)
+
+		local newVirtualInstances = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+			[childId] = nil,
+		}
+		reconciler:reconcile(newVirtualInstances, parentId, parent)
+
+		expect(child.Parent).to.equal(nil)
+		expect(#parent:GetChildren()).to.equal(0)
+	end)
+
+	it("should remove known removed children if ignoreUnknownInstances is set", function()
+		local parent = Instance.new("Folder")
+		parent.Name = "Parent"
+
+		local child = Instance.new("Folder")
+		child.Parent = parent
+		child.Name = "Child"
+
+		local parentId = "parent-id"
+		local childId = "child-id"
+
+		local reconciler = Reconciler.new()
+
+		local virtualInstancesById = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {childId},
+				Properties = {},
+				Metadata = {
+					ignoreUnknownInstances = true,
+				},
+			},
+			[childId] = {
+				Name = "Child",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+			},
+		}
+		reconciler:reconcile(virtualInstancesById, parentId, parent)
+
+		expect(child.Parent).to.equal(parent)
+		expect(#parent:GetChildren()).to.equal(1)
+
+		local newVirtualInstances = {
+			[parentId] = {
+				Name = "Parent",
+				ClassName = "Folder",
+				Children = {},
+				Properties = {},
+				Metadata = {
+					ignoreUnknownInstances = true,
+				},
+			},
+			[childId] = nil,
+		}
+		reconciler:reconcile(newVirtualInstances, parentId, parent)
+
+		expect(child.Parent).to.equal(nil)
+		expect(#parent:GetChildren()).to.equal(0)
+	end)
+end

plugin/src/Types.lua

@@ -0,0 +1,36 @@
+local t = require(script.Parent.Parent.t)
+
+local DevSettings = require(script.Parent.DevSettings)
+
+local VirtualValue = t.interface({
+	Type = t.string,
+	Value = t.optional(t.any),
+})
+
+local VirtualMetadata = t.interface({
+	ignoreUnknownInstances = t.optional(t.boolean),
+})
+
+local VirtualInstance = t.interface({
+	Name = t.string,
+	ClassName = t.string,
+	Properties = t.map(t.string, VirtualValue),
+	Metadata = t.optional(VirtualMetadata)
+})
+
+local function ifEnabled(innerCheck)
+	return function(...)
+		if DevSettings:shouldTypecheck() then
+			return innerCheck(...)
+		else
+			return true
+		end
+	end
+end
+
+return {
+	ifEnabled = ifEnabled,
+	VirtualInstance = VirtualInstance,
+	VirtualMetadata = VirtualMetadata,
+	VirtualValue = VirtualValue,
+}

plugin/src/init.server.lua

@@ -4,10 +4,6 @@ end
 
 local Roact = require(script.Parent.Roact)
 
-Roact.setGlobalConfig({
-	elementTracing = true,
-})
-
 local App = require(script.Components.App)
 
 local app = Roact.createElement(App, {
@@ -16,4 +12,6 @@ local app = Roact.createElement(App, {
 
 Roact.mount(app, game:GetService("CoreGui"), "Rojo UI")
 
--- TODO: Detect another instance of Rojo coming online and shut down this one.
+plugin.Unloading:Connect(function()
+	Roact.unmount(app)
+end)

plugin/src/rojoValueToRobloxValue.lua

@@ -1,14 +1,20 @@
 local primitiveTypes = {
-	String = true,
 	Bool = true,
-	Int32 = true,
-	Float32 = true,
 	Enum = true,
+	Float32 = true,
+	Float64 = true,
+	Int32 = true,
+	Int64 = true,
+	String = true,
 }
 
 local directConstructors = {
 	CFrame = CFrame.new,
 	Color3 = Color3.new,
+	Color3uint8 = Color3.fromRGB,
+	Rect = Rect.new,
+	UDim = UDim.new,
+	UDim2 = UDim2.new,
 	Vector2 = Vector2.new,
 	Vector2int16 = Vector2int16.new,
 	Vector3 = Vector3.new,

plugin/src/setCanonicalProperty.lua

@@ -1,10 +1,17 @@
 local Logging = require(script.Parent.Logging)
 
 --[[
-	Attempts to set a property on the given instance, correctly handling
+	Attempts to set a property on the given instance.
-	'virtual properties', which aren't reflected directly to Lua.
+
+	This method deals in terms of what Rojo calls 'canonical properties', which
+	don't necessarily exist either in serialization or in Lua-reflected APIs,
+	but may be present in the API dump.
+
+	Ideally, canonical properties map 1:1 with properties we can assign, but in
+	some cases like LocalizationTable contents and CollectionService tags, we
+	have to read/write properties a little differently.
 ]]
-local function setProperty(instance, key, value)
+local function setCanonicalProperty(instance, key, value)
 	-- The 'Contents' property of LocalizationTable isn't directly exposed, but
 	-- has corresponding (deprecated) getters and setters.
 	if instance.ClassName == "LocalizationTable" and key == "Contents" then
@@ -42,4 +49,4 @@ local function setProperty(instance, key, value)
 	return true
 end
 
-return setProperty
+return setCanonicalProperty

plugin/testBootstrap.server.lua

@@ -1,2 +1,19 @@
-local TestEZ = require(game.ReplicatedStorage.TestEZ)
+local ReplicatedStorage = game:GetService("ReplicatedStorage")
-TestEZ.TestBootstrap:run({game.ReplicatedStorage.Rojo.Plugin})
+
+local TestEZ = require(ReplicatedStorage.TestEZ)
+
+local Rojo = ReplicatedStorage.Rojo
+
+local DevSettings = require(Rojo.Plugin.DevSettings)
+
+local setDevSettings = not DevSettings:hasChangedValues()
+
+if setDevSettings then
+	DevSettings:createTestSettings()
+end
+
+TestEZ.TestBootstrap:run({Rojo.Plugin})
+
+if setDevSettings then
+	DevSettings:resetValues()
+end

server/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rojo"
-version = "0.5.0-alpha.5"
+version = "0.5.0-alpha.6"
 authors = ["Lucien Greathouse <me@lpghatguy.com>"]
 description = "A tool to create robust Roblox projects"
 license = "MIT"
@@ -29,10 +29,9 @@ hyper = "0.12"
 log = "0.4"
 maplit = "1.0.1"
 notify = "4.0"
-rand = "0.4"
 rbx_binary = "0.4.0"
-rbx_dom_weak = "1.0.0"
+rbx_dom_weak = "1.2.0"
-rbx_xml = "0.4.0"
+rbx_xml = "0.5.0"
 rbx_reflection = "2.0.374"
 regex = "1.0"
 reqwest = "0.9.5"
@@ -47,5 +46,5 @@ uuid = { version = "0.7", features = ["v4", "serde"] }
 tempfile = "3.0"
 walkdir = "2.1"
 lazy_static = "1.2"
-pretty_assertions = "0.5.1"
+pretty_assertions = "0.6.1"
 paste = "0.1"

server/assets/place.project.json

@@ -0,0 +1,66 @@
+{
+  "name": "[placeholder]",
+  "tree": {
+    "$className": "DataModel",
+    "HttpService": {
+      "$className": "HttpService",
+      "$properties": {
+        "HttpEnabled": true
+      }
+    },
+    "Lighting": {
+      "$className": "Lighting",
+      "$properties": {
+        "Ambient": [
+          0,
+          0,
+          0
+        ],
+        "Brightness": 2,
+        "GlobalShadows": true,
+        "Outlines": false,
+        "Technology": "Voxel"
+      }
+    },
+    "ReplicatedStorage": {
+      "$className": "ReplicatedStorage",
+      "Source": {
+        "$path": "src"
+      }
+    },
+    "SoundService": {
+      "$className": "SoundService",
+      "$properties": {
+        "RespectFilteringEnabled": true
+      }
+    },
+    "Workspace": {
+      "$className": "Workspace",
+      "$properties": {
+        "FilteringEnabled": true
+      },
+      "Baseplate": {
+        "$className": "Part",
+        "$properties": {
+          "Anchored": true,
+          "Color": [
+            0.38823,
+            0.37254,
+            0.38823
+          ],
+          "Locked": true,
+          "Position": [
+            0,
+            -10,
+            0
+          ],
+          "Size": [
+            512,
+            20,
+            512
+          ]
+        }
+      }
+    }
+  }
+}

server/src/imfs.rs

@@ -1,9 +1,10 @@
 use std::{
-    collections::{HashMap, HashSet},
+    cmp::Ordering,
-    path::{self, Path, PathBuf},
+    collections::{HashMap, HashSet, BTreeSet},
     fmt,
     fs,
     io,
+    path::{self, Path, PathBuf},
 };
 
 use failure::Fail;
@@ -237,7 +238,7 @@ impl Imfs {
         } else if metadata.is_dir() {
             let item = ImfsItem::Directory(ImfsDirectory {
                 path: path.to_path_buf(),
-                children: HashSet::new(),
+                children: BTreeSet::new(),
             });
 
             self.items.insert(path.to_path_buf(), item);
@@ -285,19 +286,43 @@ impl Imfs {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct ImfsFile {
     pub path: PathBuf,
     pub contents: Vec<u8>,
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+impl PartialOrd for ImfsFile {
-pub struct ImfsDirectory {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-    pub path: PathBuf,
+        Some(self.cmp(other))
-    pub children: HashSet<PathBuf>,
+    }
 }
 
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+impl Ord for ImfsFile {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.path.cmp(&other.path)
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+pub struct ImfsDirectory {
+    pub path: PathBuf,
+    pub children: BTreeSet<PathBuf>,
+}
+
+impl PartialOrd for ImfsDirectory {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Ord for ImfsDirectory {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.path.cmp(&other.path)
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
 pub enum ImfsItem {
     File(ImfsFile),
     Directory(ImfsDirectory),

server/src/live_session.rs

@@ -85,6 +85,10 @@ impl LiveSession {
         Ok(())
     }
 
+    pub fn root_project(&self) -> &Project {
+        &self.project
+    }
+
     pub fn session_id(&self) -> SessionId {
         self.session_id
     }

server/src/message_queue.rs

@@ -1,13 +1,14 @@
 use std::{
     collections::HashMap,
     sync::{
-        mpsc,
         atomic::{AtomicUsize, Ordering},
         RwLock,
         Mutex,
     },
 };
 
+use futures::sync::mpsc;
+
 /// A unique identifier, not guaranteed to be generated in any order.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct ListenerId(usize);
@@ -21,8 +22,7 @@ pub fn get_listener_id() -> ListenerId {
 
 /// A message queue with persistent history that can be subscribed to.
 ///
-/// Definitely non-optimal, but a simple design that works well for the
+/// Definitely non-optimal. This would ideally be a lockless mpmc queue.
-/// synchronous web server Rojo uses, Rouille.
 #[derive(Default)]
 pub struct MessageQueue<T> {
    messages: RwLock<Vec<T>>,
@@ -38,15 +38,15 @@ impl<T: Clone> MessageQueue<T> {
     }
 
     pub fn push_messages(&self, new_messages: &[T]) {
-        let message_listeners = self.message_listeners.lock().unwrap();
+        let mut message_listeners = self.message_listeners.lock().unwrap();
 
         {
             let mut messages = self.messages.write().unwrap();
             messages.extend_from_slice(new_messages);
         }
 
-        for listener in message_listeners.values() {
+        for listener in message_listeners.values_mut() {
-            listener.send(()).unwrap();
+            listener.try_send(()).unwrap();
         }
     }
 

server/src/path_map.rs

@@ -20,6 +20,12 @@ pub struct PathMap<T> {
     nodes: HashMap<PathBuf, PathMapNode<T>>,
 }
 
+impl<T> Default for PathMap<T> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<T> PathMap<T> {
     pub fn new() -> PathMap<T> {
         PathMap {

server/src/project.rs

@@ -1,5 +1,5 @@
 use std::{
-    collections::{HashMap, HashSet},
+    collections::{HashMap, HashSet, BTreeMap},
     fmt,
     fs::{self, File},
     io,
@@ -8,9 +8,11 @@ use std::{
 
 use log::warn;
 use failure::Fail;
-use maplit::hashmap;
 use rbx_dom_weak::{UnresolvedRbxValue, RbxValue};
 use serde_derive::{Serialize, Deserialize};
+use serde::{Serialize, Serializer};
+
+static DEFAULT_PLACE: &'static str = include_str!("../assets/place.project.json");
 
 pub static PROJECT_FILENAME: &'static str = "default.project.json";
 pub static COMPAT_PROJECT_FILENAME: &'static str = "roblox-project.json";
@@ -55,15 +57,88 @@ impl SourceProject {
     }
 }
 
+/// An alternative serializer for `UnresolvedRbxValue` that uses the minimum
+/// representation of the value.
+///
+/// For example, the default Serialize impl might give you:
+///
+/// ```json
+/// {
+///     "Type": "Bool",
+///     "Value": true
+/// }
+/// ```
+///
+/// But in reality, users are expected to write just:
+///
+/// ```json
+/// true
+/// ```
+///
+/// This holds true for other values that might be ambiguous or just have more
+/// complicated representations like enums.
+fn serialize_unresolved_minimal<S>(unresolved: &UnresolvedRbxValue, serializer: S) -> Result<S::Ok, S::Error>
+    where S: Serializer
+{
+    match unresolved {
+        UnresolvedRbxValue::Ambiguous(_) => unresolved.serialize(serializer),
+        UnresolvedRbxValue::Concrete(concrete) => {
+            match concrete {
+                RbxValue::Bool { value } => value.serialize(serializer),
+                RbxValue::CFrame { value } => value.serialize(serializer),
+                RbxValue::Color3 { value } => value.serialize(serializer),
+                RbxValue::Color3uint8 { value } => value.serialize(serializer),
+                RbxValue::Content { value } => value.serialize(serializer),
+                RbxValue::Enum { value } => value.serialize(serializer),
+                RbxValue::Float32 { value } => value.serialize(serializer),
+                RbxValue::Int32 { value } => value.serialize(serializer),
+                RbxValue::String { value } => value.serialize(serializer),
+                RbxValue::UDim { value } => value.serialize(serializer),
+                RbxValue::UDim2 { value } => value.serialize(serializer),
+                RbxValue::Vector2 { value } => value.serialize(serializer),
+                RbxValue::Vector2int16 { value } => value.serialize(serializer),
+                RbxValue::Vector3 { value } => value.serialize(serializer),
+                RbxValue::Vector3int16 { value } => value.serialize(serializer),
+                _ => concrete.serialize(serializer),
+            }
+        },
+    }
+}
+
+/// A wrapper around serialize_unresolved_minimal that handles the HashMap case.
+fn serialize_unresolved_map<S>(value: &HashMap<String, UnresolvedRbxValue>, serializer: S) -> Result<S::Ok, S::Error>
+    where S: Serializer
+{
+    use serde::ser::SerializeMap;
+
+    #[derive(Serialize)]
+    struct Minimal<'a>(
+        #[serde(serialize_with = "serialize_unresolved_minimal")]
+        &'a UnresolvedRbxValue
+    );
+
+    let mut map = serializer.serialize_map(Some(value.len()))?;
+    for (k, v) in value {
+        map.serialize_key(k)?;
+        map.serialize_value(&Minimal(v))?;
+    }
+    map.end()
+}
+
 /// Similar to SourceProject, the structure of nodes in the project tree is
 /// slightly different on-disk than how we want to handle them in the rest of
 /// Rojo.
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
 struct SourceProjectNode {
     #[serde(rename = "$className", skip_serializing_if = "Option::is_none")]
     class_name: Option<String>,
 
-    #[serde(rename = "$properties", default = "HashMap::new", skip_serializing_if = "HashMap::is_empty")]
+    #[serde(
+        rename = "$properties",
+        default = "HashMap::new",
+        skip_serializing_if = "HashMap::is_empty",
+        serialize_with = "serialize_unresolved_map",
+    )]
     properties: HashMap<String, UnresolvedRbxValue>,
 
     #[serde(rename = "$ignoreUnknownInstances", skip_serializing_if = "Option::is_none")]
@@ -73,14 +148,14 @@ struct SourceProjectNode {
     path: Option<String>,
 
     #[serde(flatten)]
-    children: HashMap<String, SourceProjectNode>,
+    children: BTreeMap<String, SourceProjectNode>,
 }
 
 impl SourceProjectNode {
     /// Consumes the SourceProjectNode and turns it into a ProjectNode.
-    pub fn into_project_node(mut self, project_file_location: &Path) -> ProjectNode {
+    pub fn into_project_node(self, project_file_location: &Path) -> ProjectNode {
-        let children = self.children.drain()
+        let children = self.children.iter()
-            .map(|(key, value)| (key, value.into_project_node(project_file_location)))
+            .map(|(key, value)| (key.clone(), value.clone().into_project_node(project_file_location)))
             .collect();
 
         // Make sure that paths are absolute, transforming them by adding the
@@ -162,6 +237,7 @@ pub enum ProjectInitError {
     AlreadyExists(PathBuf),
     IoError(#[fail(cause)] io::Error),
     SaveError(#[fail(cause)] ProjectSaveError),
+    JsonError(#[fail(cause)] serde_json::Error),
 }
 
 impl fmt::Display for ProjectInitError {
@@ -170,6 +246,7 @@ impl fmt::Display for ProjectInitError {
             ProjectInitError::AlreadyExists(path) => write!(output, "Path {} already exists", path.display()),
             ProjectInitError::IoError(inner) => write!(output, "IO error: {}", inner),
             ProjectInitError::SaveError(inner) => write!(output, "{}", inner),
+            ProjectInitError::JsonError(inner) => write!(output, "{}", inner),
         }
     }
 }
@@ -187,7 +264,7 @@ pub enum ProjectSaveError {
 #[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize)]
 pub struct ProjectNode {
     pub class_name: Option<String>,
-    pub children: HashMap<String, ProjectNode>,
+    pub children: BTreeMap<String, ProjectNode>,
     pub properties: HashMap<String, UnresolvedRbxValue>,
     pub ignore_unknown_instances: Option<bool>,
 
@@ -259,47 +336,16 @@ pub struct Project {
 impl Project {
     pub fn init_place(project_fuzzy_path: &Path) -> Result<PathBuf, ProjectInitError> {
         let project_path = Project::init_pick_path(project_fuzzy_path)?;
-        let project_folder_path = project_path.parent().unwrap();
         let project_name = if project_fuzzy_path == project_path {
             project_fuzzy_path.parent().unwrap().file_name().unwrap().to_str().unwrap()
         } else {
             project_fuzzy_path.file_name().unwrap().to_str().unwrap()
         };
 
-        let tree = ProjectNode {
+        let mut project = Project::load_from_str(DEFAULT_PLACE, &project_path)
-            class_name: Some(String::from("DataModel")),
+            .map_err(ProjectInitError::JsonError)?;
-            children: hashmap! {
-                String::from("ReplicatedStorage") => ProjectNode {
-                    class_name: Some(String::from("ReplicatedStorage")),
-                    children: hashmap! {
-                        String::from("Source") => ProjectNode {
-                            path: Some(project_folder_path.join("src")),
-                            ..Default::default()
-                        },
-                    },
-                    ..Default::default()
-                },
-                String::from("HttpService") => ProjectNode {
-                    class_name: Some(String::from("HttpService")),
-                    properties: hashmap! {
-                        String::from("HttpEnabled") => RbxValue::Bool {
-                            value: true,
-                        }.into(),
-                    },
-                    ..Default::default()
-                },
-            },
-            ..Default::default()
-        };
 
-        let project = Project {
+        project.name = project_name.to_owned();
-            name: project_name.to_string(),
-            tree,
-            plugins: Vec::new(),
-            serve_port: None,
-            serve_place_ids: None,
-            file_location: project_path.clone(),
-        };
 
         project.save()
             .map_err(ProjectInitError::SaveError)?;
@@ -387,6 +433,12 @@ impl Project {
         }
     }
 
+    fn load_from_str(contents: &str, project_file_location: &Path) -> Result<Project, serde_json::Error> {
+        let parsed: SourceProject = serde_json::from_str(&contents)?;
+
+        Ok(parsed.into_project(project_file_location))
+    }
+
     pub fn load_fuzzy(fuzzy_project_location: &Path) -> Result<Project, ProjectLoadFuzzyError> {
         let project_path = Self::locate(fuzzy_project_location)
             .ok_or(ProjectLoadFuzzyError::NotFound)?;
@@ -434,6 +486,10 @@ impl Project {
         }
     }
 
+    pub fn folder_location(&self) -> &Path {
+        self.file_location.parent().unwrap()
+    }
+
     fn to_source_project(&self) -> SourceProject {
         let plugins = self.plugins
             .iter()

server/src/rbx_session.rs

@@ -251,6 +251,10 @@ impl RbxSession {
         &self.tree
     }
 
+    pub fn get_all_instance_metadata(&self) -> &HashMap<RbxId, MetadataPerInstance> {
+        &self.metadata_per_instance
+    }
+
     pub fn get_instance_metadata(&self, id: RbxId) -> Option<&MetadataPerInstance> {
         self.metadata_per_instance.get(&id)
     }

server/src/snapshot_reconciler.rs

@@ -64,7 +64,7 @@ impl InstanceChanges {
 
 /// A lightweight, hierarchical representation of an instance that can be
 /// applied to the tree.
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)]
 pub struct RbxSnapshotInstance<'a> {
     pub name: Cow<'a, str>,
     pub class_name: Cow<'a, str>,

server/src/visualize.rs

@@ -1,4 +1,5 @@
 use std::{
+    collections::HashMap,
     fmt,
     io::Write,
     path::Path,
@@ -6,12 +7,13 @@ use std::{
 };
 
 use log::warn;
-use rbx_dom_weak::RbxId;
+use rbx_dom_weak::{RbxTree, RbxId};
 
 use crate::{
     imfs::{Imfs, ImfsItem},
     rbx_session::RbxSession,
     web::api::PublicInstanceMetadata,
+    rbx_session::MetadataPerInstance,
 };
 
 static GRAPHVIZ_HEADER: &str = r#"
@@ -53,42 +55,59 @@ pub fn graphviz_to_svg(source: &str) -> Option<String> {
     Some(String::from_utf8(output.stdout).expect("Failed to parse stdout as UTF-8"))
 }
 
+pub struct VisualizeRbxTree<'a, 'b> {
+    pub tree: &'a RbxTree,
+    pub metadata: &'b HashMap<RbxId, MetadataPerInstance>,
+}
+
+impl<'a, 'b> fmt::Display for VisualizeRbxTree<'a, 'b> {
+    fn fmt(&self, output: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(output, "{}", GRAPHVIZ_HEADER)?;
+
+        visualize_instance(&self.tree, self.tree.get_root_id(), &self.metadata, output)?;
+
+        writeln!(output, "}}")
+    }
+}
+
 /// A Display wrapper struct to visualize an RbxSession as SVG.
 pub struct VisualizeRbxSession<'a>(pub &'a RbxSession);
 
 impl<'a> fmt::Display for VisualizeRbxSession<'a> {
     fn fmt(&self, output: &mut fmt::Formatter) -> fmt::Result {
-        writeln!(output, "{}", GRAPHVIZ_HEADER)?;
+        writeln!(output, "{}", VisualizeRbxTree {
-
+            tree: self.0.get_tree(),
-        visualize_rbx_node(self.0, self.0.get_tree().get_root_id(), output)?;
+            metadata: self.0.get_all_instance_metadata(),
-
+        })
-        writeln!(output, "}}")?;
-
-        Ok(())
     }
 }
 
-fn visualize_rbx_node(session: &RbxSession, id: RbxId, output: &mut fmt::Formatter) -> fmt::Result {
+fn visualize_instance(
-    let node = session.get_tree().get_instance(id).unwrap();
+    tree: &RbxTree,
+    id: RbxId,
+    metadata: &HashMap<RbxId, MetadataPerInstance>,
+    output: &mut fmt::Formatter,
+) -> fmt::Result {
+    let instance = tree.get_instance(id).unwrap();
 
-    let mut node_label = format!("{}|{}|{}", node.name, node.class_name, id);
+    let mut instance_label = format!("{}|{}|{}", instance.name, instance.class_name, id);
 
-    if let Some(session_metadata) = session.get_instance_metadata(id) {
+    if let Some(session_metadata) = metadata.get(&id) {
         let metadata = PublicInstanceMetadata::from_session_metadata(session_metadata);
-        node_label.push('|');
+        instance_label.push('|');
-        node_label.push_str(&serde_json::to_string(&metadata).unwrap());
+        instance_label.push_str(&serde_json::to_string(&metadata).unwrap());
     }
 
-    node_label = node_label
+    instance_label = instance_label
         .replace("\"", "&quot;")
         .replace("{", "\\{")
         .replace("}", "\\}");
 
-    writeln!(output, "    \"{}\" [label=\"{}\"]", id, node_label)?;
+    writeln!(output, "    \"{}\" [label=\"{}\"]", id, instance_label)?;
 
-    for &child_id in node.get_children_ids() {
+    for &child_id in instance.get_children_ids() {
         writeln!(output, "    \"{}\" -> \"{}\"", id, child_id)?;
-        visualize_rbx_node(session, child_id, output)?;
+        visualize_instance(tree, child_id, metadata, output)?;
     }
 
     Ok(())

server/src/web/api.rs

@@ -4,10 +4,10 @@
 use std::{
     borrow::Cow,
     collections::{HashMap, HashSet},
-    sync::{mpsc, Arc},
+    sync::Arc,
 };
 
-use futures::{future, Future};
+use futures::{future, Future, stream::Stream, sync::mpsc};
 use hyper::{
     service::Service,
     header,
@@ -114,14 +114,16 @@ impl Service for ApiService {
     fn call(&mut self, request: hyper::Request<Self::ReqBody>) -> Self::Future {
         let response = match (request.method(), request.uri().path()) {
             (&Method::GET, "/api/rojo") => self.handle_api_rojo(),
-            (&Method::GET, path) if path.starts_with("/api/subscribe/") => self.handle_api_subscribe(request),
             (&Method::GET, path) if path.starts_with("/api/read/") => self.handle_api_read(request),
+            (&Method::GET, path) if path.starts_with("/api/subscribe/") => {
+                return self.handle_api_subscribe(request);
+            }
             _ => {
                 Response::builder()
                     .status(StatusCode::NOT_FOUND)
                     .body(Body::empty())
                     .unwrap()
-            },
+            }
         };
 
         Box::new(future::ok(response))
@@ -152,16 +154,16 @@ impl ApiService {
 
     /// Retrieve any messages past the given cursor index, and if
     /// there weren't any, subscribe to receive any new messages.
-    fn handle_api_subscribe(&self, request: Request<Body>) -> Response<Body> {
+    fn handle_api_subscribe(&self, request: Request<Body>) -> <ApiService as Service>::Future {
         let argument = &request.uri().path()["/api/subscribe/".len()..];
         let cursor: u32 = match argument.parse() {
             Ok(v) => v,
             Err(err) => {
-                return Response::builder()
+                return Box::new(future::ok(Response::builder()
                     .status(StatusCode::BAD_REQUEST)
                     .header(header::CONTENT_TYPE, "text/plain")
                     .body(Body::from(err.to_string()))
-                    .unwrap();
+                    .unwrap()));
             },
         };
 
@@ -172,37 +174,38 @@ impl ApiService {
             let (new_cursor, new_messages) = message_queue.get_messages_since(cursor);
 
             if !new_messages.is_empty() {
-                return response_json(&SubscribeResponse {
+                return Box::new(future::ok(response_json(&SubscribeResponse {
                     session_id: self.live_session.session_id(),
                     messages: Cow::Borrowed(&new_messages),
                     message_cursor: new_cursor,
-                })
+                })));
             }
         }
 
-        // TOOD: Switch to futures mpsc instead to not block this task
+        let (tx, rx) = mpsc::channel(1024);
-        let (tx, rx) = mpsc::channel();
         let sender_id = message_queue.subscribe(tx);
+        let session_id = self.live_session.session_id();
 
-        match rx.recv() {
+        let result = rx.into_future()
-            Ok(_) => (),
+            .and_then(move |_| {
-            Err(_) => return Response::builder()
+                message_queue.unsubscribe(sender_id);
-                .status(500)
-                .body(Body::from("error!"))
-                .unwrap(),
-        }
 
-        message_queue.unsubscribe(sender_id);
+                let (new_cursor, new_messages) = message_queue.get_messages_since(cursor);
 
-        {
+                Box::new(future::ok(response_json(SubscribeResponse {
-            let (new_cursor, new_messages) = message_queue.get_messages_since(cursor);
+                    session_id: session_id,
-
+                    messages: Cow::Owned(new_messages),
-            return response_json(&SubscribeResponse {
+                    message_cursor: new_cursor,
-                session_id: self.live_session.session_id(),
+                })))
-                messages: Cow::Owned(new_messages),
-                message_cursor: new_cursor,
             })
-        }
+            .or_else(|e| {
+                Box::new(future::ok(Response::builder()
+                    .status(500)
+                    .body(Body::from(format!("Internal Error: {:?}", e)))
+                    .unwrap()))
+            });
+
+        Box::new(result)
     }
 
     fn handle_api_read(&self, request: Request<Body>) -> Response<Body> {

server/tests/imfs.rs

@@ -1,5 +1,5 @@
 use std::{
-    collections::{HashMap, HashSet},
+    collections::{HashMap, HashSet, BTreeSet},
     fs,
     path::PathBuf,
 };
@@ -80,7 +80,7 @@ fn base_tree() -> Result<(TempDir, Imfs, ExpectedImfs, TestResources), Error> {
     expected_roots.insert(root.path().to_path_buf());
 
     let root_item = {
-        let mut children = HashSet::new();
+        let mut children = BTreeSet::new();
         children.insert(foo_path.clone());
         children.insert(bar_path.clone());
 
@@ -91,7 +91,7 @@ fn base_tree() -> Result<(TempDir, Imfs, ExpectedImfs, TestResources), Error> {
     };
 
     let foo_item = {
-        let mut children = HashSet::new();
+        let mut children = BTreeSet::new();
         children.insert(baz_path.clone());
 
         ImfsItem::Directory(ImfsDirectory {
@@ -199,7 +199,7 @@ fn adding_folder() -> Result<(), Error> {
     }
 
     let folder_item = {
-        let mut children = HashSet::new();
+        let mut children = BTreeSet::new();
         children.insert(file1_path.clone());
         children.insert(file2_path.clone());
 

server/tests/read_projects.rs

@@ -1,7 +1,7 @@
 #[macro_use] extern crate lazy_static;
 
 use std::{
-    collections::HashMap,
+    collections::{HashMap, BTreeMap},
     path::{Path, PathBuf},
 };
 
@@ -53,7 +53,7 @@ fn single_partition_game() {
             ..Default::default()
         };
 
-        let mut replicated_storage_children = HashMap::new();
+        let mut replicated_storage_children = BTreeMap::new();
         replicated_storage_children.insert("Foo".to_string(), foo);
 
         let replicated_storage = ProjectNode {
@@ -73,7 +73,7 @@ fn single_partition_game() {
             ..Default::default()
         };
 
-        let mut root_children = HashMap::new();
+        let mut root_children = BTreeMap::new();
         root_children.insert("ReplicatedStorage".to_string(), replicated_storage);
         root_children.insert("HttpService".to_string(), http_service);
 

server/tests/snapshot_reconciler.rs

@@ -0,0 +1,115 @@
+mod test_util;
+
+use std::collections::HashMap;
+
+use pretty_assertions::assert_eq;
+use rbx_dom_weak::{RbxTree, RbxInstanceProperties};
+
+use librojo::{
+    snapshot_reconciler::{RbxSnapshotInstance, reconcile_subtree},
+};
+
+use test_util::tree::trees_equal;
+
+// TODO: Snapshot application isn't communicative right now with the current
+// snapshot reconciler. In practice this mostly isn't a problem, but presents
+// a problem trying to rely on determinism to make snapshot tests.
+// #[test]
+fn patch_communicativity() {
+    let base_tree = RbxTree::new(RbxInstanceProperties {
+        name: "DataModel".into(),
+        class_name: "DataModel".into(),
+        properties: HashMap::new(),
+    });
+
+    let patch_a = RbxSnapshotInstance {
+        name: "DataModel".into(),
+        class_name: "DataModel".into(),
+        children: vec![
+            RbxSnapshotInstance {
+                name: "Child-A".into(),
+                class_name: "Folder".into(),
+                ..Default::default()
+            },
+        ],
+        ..Default::default()
+    };
+
+    let patch_b = RbxSnapshotInstance {
+        name: "DataModel".into(),
+        class_name: "DataModel".into(),
+        children: vec![
+            RbxSnapshotInstance {
+                name: "Child-B".into(),
+                class_name: "Folder".into(),
+                ..Default::default()
+            },
+        ],
+        ..Default::default()
+    };
+
+    let patch_combined = RbxSnapshotInstance {
+        name: "DataModel".into(),
+        class_name: "DataModel".into(),
+        children: vec![
+            RbxSnapshotInstance {
+                name: "Child-A".into(),
+                class_name: "Folder".into(),
+                ..Default::default()
+            },
+            RbxSnapshotInstance {
+                name: "Child-B".into(),
+                class_name: "Folder".into(),
+                ..Default::default()
+            },
+        ],
+        ..Default::default()
+    };
+
+    let root_id = base_tree.get_root_id();
+
+    let mut tree_a = base_tree.clone();
+
+    reconcile_subtree(
+        &mut tree_a,
+        root_id,
+        &patch_a,
+        &mut Default::default(),
+        &mut Default::default(),
+        &mut Default::default(),
+    );
+
+    reconcile_subtree(
+        &mut tree_a,
+        root_id,
+        &patch_combined,
+        &mut Default::default(),
+        &mut Default::default(),
+        &mut Default::default(),
+    );
+
+    let mut tree_b = base_tree.clone();
+
+    reconcile_subtree(
+        &mut tree_b,
+        root_id,
+        &patch_b,
+        &mut Default::default(),
+        &mut Default::default(),
+        &mut Default::default(),
+    );
+
+    reconcile_subtree(
+        &mut tree_b,
+        root_id,
+        &patch_combined,
+        &mut Default::default(),
+        &mut Default::default(),
+        &mut Default::default(),
+    );
+
+    match trees_equal(&tree_a, &tree_b) {
+        Ok(_) => {}
+        Err(e) => panic!("{}", e),
+    }
+}

server/tests/snapshot_snapshots.rs

@@ -0,0 +1,68 @@
+mod test_util;
+
+use std::path::Path;
+
+use pretty_assertions::assert_eq;
+
+use librojo::{
+    imfs::Imfs,
+    project::Project,
+    rbx_snapshot::{SnapshotContext, snapshot_project_tree},
+};
+
+use crate::test_util::{
+    snapshot::*,
+};
+
+macro_rules! generate_snapshot_tests {
+    ($($name: ident),*) => {
+        $(
+            paste::item! {
+                #[test]
+                fn [<snapshot_ $name>]() {
+                    let _ = env_logger::try_init();
+
+                    let tests_folder = Path::new(env!("CARGO_MANIFEST_DIR")).join("../test-projects");
+                    let project_folder = tests_folder.join(stringify!($name));
+                    run_snapshot_test(&project_folder);
+                }
+            }
+        )*
+    };
+}
+
+generate_snapshot_tests!(
+    empty,
+    multi_partition_game,
+    nested_partitions,
+    single_partition_game,
+    single_partition_model,
+    transmute_partition
+);
+
+fn run_snapshot_test(path: &Path) {
+    println!("Running snapshot from project: {}", path.display());
+
+    let project = Project::load_fuzzy(path)
+        .expect("Couldn't load project file for snapshot test");
+
+    let mut imfs = Imfs::new();
+    imfs.add_roots_from_project(&project)
+        .expect("Could not add IMFS roots to snapshot project");
+
+    let context = SnapshotContext {
+        plugin_context: None,
+    };
+
+    let mut snapshot = snapshot_project_tree(&context, &imfs, &project)
+        .expect("Could not generate snapshot for snapshot test");
+
+    if let Some(snapshot) = snapshot.as_mut() {
+        anonymize_snapshot(path, snapshot);
+    }
+
+    match read_expected_snapshot(path) {
+        Some(expected_snapshot) => assert_eq!(snapshot, expected_snapshot),
+        None => write_expected_snapshot(path, &snapshot),
+    }
+}

server/tests/snapshots.rs

@@ -1,128 +0,0 @@
-use std::{
-    fs::{self, File},
-    path::{Path, PathBuf},
-};
-
-use pretty_assertions::assert_eq;
-
-use librojo::{
-    imfs::Imfs,
-    project::{Project, ProjectNode},
-    rbx_snapshot::{SnapshotContext, snapshot_project_tree},
-    snapshot_reconciler::{RbxSnapshotInstance},
-};
-
-macro_rules! generate_snapshot_tests {
-    ($($name: ident),*) => {
-        $(
-            paste::item! {
-                #[test]
-                fn [<snapshot_ $name>]() {
-                    let tests_folder = Path::new(env!("CARGO_MANIFEST_DIR")).join("../test-projects");
-                    let project_folder = tests_folder.join(stringify!($name));
-                    run_snapshot_test(&project_folder);
-                }
-            }
-        )*
-    };
-}
-
-generate_snapshot_tests!(
-    empty,
-    nested_partitions,
-    single_partition_game,
-    single_partition_model,
-    transmute_partition
-);
-
-const SNAPSHOT_EXPECTED_NAME: &str = "expected-snapshot.json";
-
-fn run_snapshot_test(path: &Path) {
-    println!("Running snapshot from project: {}", path.display());
-
-    let project = Project::load_fuzzy(path)
-        .expect("Couldn't load project file for snapshot test");
-
-    let mut imfs = Imfs::new();
-    imfs.add_roots_from_project(&project)
-        .expect("Could not add IMFS roots to snapshot project");
-
-    let context = SnapshotContext {
-        plugin_context: None,
-    };
-
-    let mut snapshot = snapshot_project_tree(&context, &imfs, &project)
-        .expect("Could not generate snapshot for snapshot test");
-
-    if let Some(snapshot) = snapshot.as_mut() {
-        anonymize_snapshot(path, snapshot);
-    }
-
-    match read_expected_snapshot(path) {
-        Some(expected_snapshot) => assert_eq!(snapshot, expected_snapshot),
-        None => write_expected_snapshot(path, &snapshot),
-    }
-}
-
-/// Snapshots contain absolute paths, which simplifies much of Rojo.
-///
-/// For saving snapshots to the disk, we should strip off the project folder
-/// path to make them machine-independent. This doesn't work for paths that fall
-/// outside of the project folder, but that's okay here.
-///
-/// We also need to sort children, since Rojo tends to enumerate the filesystem
-/// in an unpredictable order.
-fn anonymize_snapshot(project_folder_path: &Path, snapshot: &mut RbxSnapshotInstance) {
-    match snapshot.metadata.source_path.as_mut() {
-        Some(path) => *path = anonymize_path(project_folder_path, path),
-        None => {},
-    }
-
-    match snapshot.metadata.project_definition.as_mut() {
-        Some((_, project_node)) => anonymize_project_node(project_folder_path, project_node),
-        None => {},
-    }
-
-    snapshot.children.sort_by(|a, b| a.partial_cmp(b).unwrap());
-
-    for child in snapshot.children.iter_mut() {
-        anonymize_snapshot(project_folder_path, child);
-    }
-}
-
-fn anonymize_project_node(project_folder_path: &Path, project_node: &mut ProjectNode) {
-    match project_node.path.as_mut() {
-        Some(path) => *path = anonymize_path(project_folder_path, path),
-        None => {},
-    }
-
-    for child_node in project_node.children.values_mut() {
-        anonymize_project_node(project_folder_path, child_node);
-    }
-}
-
-fn anonymize_path(project_folder_path: &Path, path: &Path) -> PathBuf {
-    if path.is_absolute() {
-        path.strip_prefix(project_folder_path)
-            .expect("Could not anonymize absolute path")
-            .to_path_buf()
-    } else {
-        path.to_path_buf()
-    }
-}
-
-fn read_expected_snapshot(path: &Path) -> Option<Option<RbxSnapshotInstance<'static>>> {
-    let contents = fs::read(path.join(SNAPSHOT_EXPECTED_NAME)).ok()?;
-    let snapshot: Option<RbxSnapshotInstance<'static>> = serde_json::from_slice(&contents)
-        .expect("Could not deserialize snapshot");
-
-    Some(snapshot)
-}
-
-fn write_expected_snapshot(path: &Path, snapshot: &Option<RbxSnapshotInstance>) {
-    let mut file = File::create(path.join(SNAPSHOT_EXPECTED_NAME))
-        .expect("Could not open file to write snapshot");
-
-    serde_json::to_writer_pretty(&mut file, snapshot)
-        .expect("Could not serialize snapshot to file");
-}

server/tests/test_util/mod.rs

@@ -1,31 +1,13 @@
+#![allow(dead_code)]
+
 use std::fs::{create_dir, copy};
 use std::path::Path;
 use std::io;
 
-use rouille::Request;
-
 use walkdir::WalkDir;
 
-use librojo::web::Server;
+pub mod snapshot;
-
+pub mod tree;
-pub trait HttpTestUtil {
-    fn get_string(&self, url: &str) -> String;
-}
-
-impl HttpTestUtil for Server {
-    fn get_string(&self, url: &str) -> String {
-        let info_request = Request::fake_http("GET", url, vec![], vec![]);
-        let response = self.handle_request(&info_request);
-
-        assert_eq!(response.status_code, 200);
-
-        let (mut reader, _) = response.data.into_reader_and_size();
-        let mut body = String::new();
-        reader.read_to_string(&mut body).unwrap();
-
-        body
-    }
-}
 
 pub fn copy_recursive(from: &Path, to: &Path) -> io::Result<()> {
     for entry in WalkDir::new(from) {
@@ -51,4 +33,4 @@ pub fn copy_recursive(from: &Path, to: &Path) -> io::Result<()> {
     }
 
     Ok(())
-}
+}

server/tests/test_util/snapshot.rs

@@ -0,0 +1,79 @@
+use std::{
+    fs::{self, File},
+    path::{Path, PathBuf},
+};
+
+use librojo::{
+    project::ProjectNode,
+    snapshot_reconciler::RbxSnapshotInstance,
+    rbx_session::MetadataPerInstance,
+};
+
+const SNAPSHOT_EXPECTED_NAME: &str = "expected-snapshot.json";
+
+/// Snapshots contain absolute paths, which simplifies much of Rojo.
+///
+/// For saving snapshots to the disk, we should strip off the project folder
+/// path to make them machine-independent. This doesn't work for paths that fall
+/// outside of the project folder, but that's okay here.
+///
+/// We also need to sort children, since Rojo tends to enumerate the filesystem
+/// in an unpredictable order.
+pub fn anonymize_snapshot(project_folder_path: &Path, snapshot: &mut RbxSnapshotInstance) {
+    anonymize_metadata(project_folder_path, &mut snapshot.metadata);
+
+    snapshot.children.sort_by(|a, b| a.partial_cmp(b).unwrap());
+
+    for child in snapshot.children.iter_mut() {
+        anonymize_snapshot(project_folder_path, child);
+    }
+}
+
+pub fn anonymize_metadata(project_folder_path: &Path, metadata: &mut MetadataPerInstance) {
+    match metadata.source_path.as_mut() {
+        Some(path) => *path = anonymize_path(project_folder_path, path),
+        None => {},
+    }
+
+    match metadata.project_definition.as_mut() {
+        Some((_, project_node)) => anonymize_project_node(project_folder_path, project_node),
+        None => {},
+    }
+}
+
+pub fn anonymize_project_node(project_folder_path: &Path, project_node: &mut ProjectNode) {
+    match project_node.path.as_mut() {
+        Some(path) => *path = anonymize_path(project_folder_path, path),
+        None => {},
+    }
+
+    for child_node in project_node.children.values_mut() {
+        anonymize_project_node(project_folder_path, child_node);
+    }
+}
+
+pub fn anonymize_path(project_folder_path: &Path, path: &Path) -> PathBuf {
+    if path.is_absolute() {
+        path.strip_prefix(project_folder_path)
+            .expect("Could not anonymize absolute path")
+            .to_path_buf()
+    } else {
+        path.to_path_buf()
+    }
+}
+
+pub fn read_expected_snapshot(path: &Path) -> Option<Option<RbxSnapshotInstance<'static>>> {
+    let contents = fs::read(path.join(SNAPSHOT_EXPECTED_NAME)).ok()?;
+    let snapshot: Option<RbxSnapshotInstance<'static>> = serde_json::from_slice(&contents)
+        .expect("Could not deserialize snapshot");
+
+    Some(snapshot)
+}
+
+pub fn write_expected_snapshot(path: &Path, snapshot: &Option<RbxSnapshotInstance>) {
+    let mut file = File::create(path.join(SNAPSHOT_EXPECTED_NAME))
+        .expect("Could not open file to write snapshot");
+
+    serde_json::to_writer_pretty(&mut file, snapshot)
+        .expect("Could not serialize snapshot to file");
+}

server/tests/test_util/tree.rs

@@ -0,0 +1,351 @@
+//! Defines a mechanism to compare two RbxTree objects and generate a useful
+//! diff if they aren't the same. These methods ignore IDs, which are randomly
+//! generated whenever a tree is constructed anyways. This makes matching up
+//! pairs of instances that should be the same potentially difficult.
+//!
+//! It relies on a couple different ideas:
+//! - Instances with the same name and class name are matched as the same
+//!   instance. See basic_equal for this logic
+//! - A path of period-delimited names (like Roblox's GetFullName) should be
+//!   enough to debug most issues. If it isn't, we can do something fun like
+//!   generate GraphViz graphs.
+
+use std::{
+    borrow::Cow,
+    collections::{HashMap, HashSet},
+    fmt,
+    fs::{self, File},
+    hash::Hash,
+    path::{Path, PathBuf},
+};
+
+use log::error;
+use serde_derive::{Serialize, Deserialize};
+use rbx_dom_weak::{RbxId, RbxTree};
+
+use librojo::{
+    rbx_session::MetadataPerInstance,
+    live_session::LiveSession,
+    visualize::{VisualizeRbxTree, graphviz_to_svg},
+};
+
+use super::snapshot::anonymize_metadata;
+
+/// Marks a 'step' in the test, which will snapshot the session's current
+/// RbxTree object and compare it against the saved snapshot if it exists.
+pub fn tree_step(step: &str, live_session: &LiveSession, source_path: &Path) {
+    let rbx_session = live_session.rbx_session.lock().unwrap();
+    let tree = rbx_session.get_tree();
+
+    let project_folder = live_session.root_project().folder_location();
+    let metadata = rbx_session.get_all_instance_metadata()
+        .iter()
+        .map(|(key, meta)| {
+            let mut meta = meta.clone();
+            anonymize_metadata(project_folder, &mut meta);
+            (*key, meta)
+        })
+        .collect();
+
+    let tree_with_metadata = TreeWithMetadata {
+        tree: Cow::Borrowed(&tree),
+        metadata: Cow::Owned(metadata),
+    };
+
+    match read_tree_by_name(source_path, step) {
+        Some(expected) => match trees_and_metadata_equal(&expected, &tree_with_metadata) {
+            Ok(_) => {}
+            Err(e) => {
+                error!("Trees at step '{}' were not equal.\n{}", step, e);
+
+                let expected_gv = format!("{}", VisualizeRbxTree {
+                    tree: &expected.tree,
+                    metadata: &expected.metadata,
+                });
+
+                let actual_gv = format!("{}", VisualizeRbxTree {
+                    tree: &tree_with_metadata.tree,
+                    metadata: &tree_with_metadata.metadata,
+                });
+
+                let output_dir = PathBuf::from("failed-snapshots");
+                fs::create_dir_all(&output_dir)
+                    .expect("Could not create failed-snapshots directory");
+
+                let expected_basename = format!("{}-{}-expected", live_session.root_project().name, step);
+                let actual_basename = format!("{}-{}-actual", live_session.root_project().name, step);
+
+                let mut expected_out = output_dir.join(expected_basename);
+                let mut actual_out = output_dir.join(actual_basename);
+
+                match (graphviz_to_svg(&expected_gv), graphviz_to_svg(&actual_gv)) {
+                    (Some(expected_svg), Some(actual_svg)) => {
+                        expected_out.set_extension("svg");
+                        actual_out.set_extension("svg");
+
+                        fs::write(&expected_out, expected_svg)
+                            .expect("Couldn't write expected SVG");
+
+                        fs::write(&actual_out, actual_svg)
+                            .expect("Couldn't write actual SVG");
+                    }
+                    _ => {
+                        expected_out.set_extension("gv");
+                        actual_out.set_extension("gv");
+
+                        fs::write(&expected_out, expected_gv)
+                            .expect("Couldn't write expected GV");
+
+                        fs::write(&actual_out, actual_gv)
+                            .expect("Couldn't write actual GV");
+                    }
+                }
+
+                error!("Output at {} and {}", expected_out.display(), actual_out.display());
+
+                panic!("Tree mismatch at step '{}'", step);
+            }
+        }
+        None => {
+            write_tree_by_name(source_path, step, &tree_with_metadata);
+        }
+    }
+}
+
+fn new_cow_map<K: Clone + Eq + Hash, V: Clone>() -> Cow<'static, HashMap<K, V>> {
+    Cow::Owned(HashMap::new())
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct TreeWithMetadata<'a> {
+    #[serde(flatten)]
+    pub tree: Cow<'a, RbxTree>,
+
+    #[serde(default = "new_cow_map")]
+    pub metadata: Cow<'a, HashMap<RbxId, MetadataPerInstance>>,
+}
+
+fn read_tree_by_name(path: &Path, identifier: &str) -> Option<TreeWithMetadata<'static>> {
+    let mut file_path = path.join(identifier);
+    file_path.set_extension("tree.json");
+
+    let contents = fs::read(&file_path).ok()?;
+    let tree: TreeWithMetadata = serde_json::from_slice(&contents)
+        .expect("Could not deserialize tree");
+
+    Some(tree)
+}
+
+fn write_tree_by_name(path: &Path, identifier: &str, tree: &TreeWithMetadata) {
+    let mut file_path = path.join(identifier);
+    file_path.set_extension("tree.json");
+
+    let mut file = File::create(file_path)
+        .expect("Could not open file to write tree");
+
+    serde_json::to_writer_pretty(&mut file, tree)
+        .expect("Could not serialize tree to file");
+}
+
+#[derive(Debug)]
+pub struct TreeMismatch {
+    pub path: Cow<'static, str>,
+    pub detail: Cow<'static, str>,
+}
+
+impl TreeMismatch {
+    pub fn new<'a, A: Into<Cow<'a, str>>, B: Into<Cow<'a, str>>>(path: A, detail: B) -> TreeMismatch {
+        TreeMismatch {
+            path: Cow::Owned(path.into().into_owned()),
+            detail: Cow::Owned(detail.into().into_owned()),
+        }
+    }
+
+    fn add_parent(mut self, name: &str) -> TreeMismatch {
+        self.path.to_mut().insert(0, '.');
+        self.path.to_mut().insert_str(0, name);
+
+        TreeMismatch {
+            path: self.path,
+            detail: self.detail,
+        }
+    }
+}
+
+impl fmt::Display for TreeMismatch {
+    fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(formatter, "Tree mismatch at path {}", self.path)?;
+        writeln!(formatter, "{}", self.detail)
+    }
+}
+
+pub fn trees_equal(
+    left_tree: &RbxTree,
+    right_tree: &RbxTree,
+) -> Result<(), TreeMismatch> {
+    let left = TreeWithMetadata {
+        tree: Cow::Borrowed(left_tree),
+        metadata: Cow::Owned(HashMap::new()),
+    };
+
+    let right = TreeWithMetadata {
+        tree: Cow::Borrowed(right_tree),
+        metadata: Cow::Owned(HashMap::new()),
+    };
+
+    trees_and_metadata_equal(&left, &right)
+}
+
+fn trees_and_metadata_equal(
+    left_tree: &TreeWithMetadata,
+    right_tree: &TreeWithMetadata,
+) -> Result<(), TreeMismatch> {
+    let left_id = left_tree.tree.get_root_id();
+    let right_id = right_tree.tree.get_root_id();
+
+    instances_equal(left_tree, left_id, right_tree, right_id)
+}
+
+fn instances_equal(
+    left_tree: &TreeWithMetadata,
+    left_id: RbxId,
+    right_tree: &TreeWithMetadata,
+    right_id: RbxId,
+) -> Result<(), TreeMismatch> {
+    basic_equal(left_tree, left_id, right_tree, right_id)?;
+    properties_equal(left_tree, left_id, right_tree, right_id)?;
+    children_equal(left_tree, left_id, right_tree, right_id)?;
+    metadata_equal(left_tree, left_id, right_tree, right_id)
+}
+
+fn basic_equal(
+    left_tree: &TreeWithMetadata,
+    left_id: RbxId,
+    right_tree: &TreeWithMetadata,
+    right_id: RbxId,
+) -> Result<(), TreeMismatch> {
+    let left_instance = left_tree.tree.get_instance(left_id)
+        .expect("ID did not exist in left tree");
+
+    let right_instance = right_tree.tree.get_instance(right_id)
+        .expect("ID did not exist in right tree");
+
+    if left_instance.name != right_instance.name {
+        let message = format!("Name did not match ('{}' vs '{}')", left_instance.name, right_instance.name);
+
+        return Err(TreeMismatch::new(&left_instance.name, message));
+    }
+
+    if left_instance.class_name != right_instance.class_name {
+        let message = format!("Class name did not match ('{}' vs '{}')", left_instance.class_name, right_instance.class_name);
+
+        return Err(TreeMismatch::new(&left_instance.name, message));
+    }
+
+    Ok(())
+}
+
+fn properties_equal(
+    left_tree: &TreeWithMetadata,
+    left_id: RbxId,
+    right_tree: &TreeWithMetadata,
+    right_id: RbxId,
+) -> Result<(), TreeMismatch> {
+    let left_instance = left_tree.tree.get_instance(left_id)
+        .expect("ID did not exist in left tree");
+
+    let right_instance = right_tree.tree.get_instance(right_id)
+        .expect("ID did not exist in right tree");
+
+    let mut visited = HashSet::new();
+
+    for (key, left_value) in &left_instance.properties {
+        visited.insert(key);
+
+        let right_value = right_instance.properties.get(key);
+
+        if Some(left_value) != right_value {
+            let message = format!(
+                "Property {}:\n\tLeft: {:?}\n\tRight: {:?}",
+                key,
+                Some(left_value),
+                right_value,
+            );
+
+            return Err(TreeMismatch::new(&left_instance.name, message));
+        }
+    }
+
+    for (key, right_value) in &right_instance.properties {
+        if visited.contains(key) {
+            continue;
+        }
+
+        let left_value = left_instance.properties.get(key);
+
+        if left_value != Some(right_value) {
+            let message = format!(
+                "Property {}:\n\tLeft: {:?}\n\tRight: {:?}",
+                key,
+                left_value,
+                Some(right_value),
+            );
+
+            return Err(TreeMismatch::new(&left_instance.name, message));
+        }
+    }
+
+    Ok(())
+}
+
+fn children_equal(
+    left_tree: &TreeWithMetadata,
+    left_id: RbxId,
+    right_tree: &TreeWithMetadata,
+    right_id: RbxId,
+) -> Result<(), TreeMismatch> {
+    let left_instance = left_tree.tree.get_instance(left_id)
+        .expect("ID did not exist in left tree");
+
+    let right_instance = right_tree.tree.get_instance(right_id)
+        .expect("ID did not exist in right tree");
+
+    let left_children = left_instance.get_children_ids();
+    let right_children = right_instance.get_children_ids();
+
+    if left_children.len() != right_children.len() {
+        return Err(TreeMismatch::new(&left_instance.name, "Instances had different numbers of children"));
+    }
+
+    for (left_child_id, right_child_id) in left_children.iter().zip(right_children) {
+        instances_equal(left_tree, *left_child_id, right_tree, *right_child_id)
+            .map_err(|e| e.add_parent(&left_instance.name))?;
+    }
+
+    Ok(())
+}
+
+fn metadata_equal(
+    left_tree: &TreeWithMetadata,
+    left_id: RbxId,
+    right_tree: &TreeWithMetadata,
+    right_id: RbxId,
+) -> Result<(), TreeMismatch> {
+    let left_meta = left_tree.metadata.get(&left_id);
+    let right_meta = right_tree.metadata.get(&right_id);
+
+    if left_meta != right_meta {
+        let left_instance = left_tree.tree.get_instance(left_id)
+            .expect("Left instance didn't exist in tree");
+
+        let message = format!(
+            "Metadata mismatch:\n\tLeft: {:?}\n\tRight: {:?}",
+            left_meta,
+            right_meta,
+        );
+
+        return Err(TreeMismatch::new(&left_instance.name, message));
+    }
+
+    Ok(())
+}

server/tests/tree_snapshots.rs

@@ -0,0 +1,68 @@
+mod test_util;
+
+use std::{
+    fs,
+    path::{Path, PathBuf},
+    sync::Arc,
+    thread,
+    time::Duration,
+};
+
+use tempfile::{tempdir, TempDir};
+
+use librojo::{
+    live_session::LiveSession,
+    project::Project,
+};
+
+use crate::test_util::{
+    copy_recursive,
+    tree::tree_step,
+};
+
+#[test]
+fn multi_partition_game() {
+    let _ = env_logger::try_init();
+    let source_path = project_path("multi_partition_game");
+
+    let (dir, live_session) = start_session(&source_path);
+    tree_step("initial", &live_session, &source_path);
+
+    let added_path = dir.path().join("a/added");
+    fs::create_dir_all(&added_path)
+        .expect("Couldn't create directory");
+    thread::sleep(Duration::from_millis(250));
+
+    tree_step("with_dir", &live_session, &source_path);
+
+    let moved_path = dir.path().join("b/added");
+    fs::rename(&added_path, &moved_path)
+        .expect("Couldn't rename directory");
+    thread::sleep(Duration::from_millis(250));
+
+    tree_step("with_moved_dir", &live_session, &source_path);
+}
+
+/// Find the path to the given test project relative to the manifest.
+fn project_path(name: &str) -> PathBuf {
+    let mut path = Path::new(env!("CARGO_MANIFEST_DIR")).join("../test-projects");
+    path.push(name);
+    path
+}
+
+/// Starts a new LiveSession for the project located at the given file path.
+fn start_session(source_path: &Path) -> (TempDir, LiveSession) {
+    let dir = tempdir()
+        .expect("Couldn't create temporary directory");
+
+    copy_recursive(&source_path, dir.path())
+        .expect("Couldn't copy project to temporary directory");
+
+    let project = Arc::new(Project::load_fuzzy(dir.path())
+        .expect("Couldn't load project from temp directory"));
+
+    let live_session = LiveSession::new(Arc::clone(&project))
+        .expect("Couldn't start live session");
+
+    (dir, live_session)
+}

test-projects/multi_partition_game/a/foo.txt

@@ -0,0 +1 @@
+Hello world, from a/foo.txt

test-projects/multi_partition_game/a/main.lua

@@ -0,0 +1 @@
+-- hello, from a/main.lua

test-projects/multi_partition_game/b/something.lua

@@ -0,0 +1 @@
+-- b/something.lua

test-projects/multi_partition_game/default.project.json

@@ -0,0 +1,21 @@
+{
+  "name": "multi_partition_game",
+  "tree": {
+    "$className": "DataModel",
+    "ReplicatedStorage": {
+      "$className": "ReplicatedStorage",
+      "Ack": {
+        "$path": "a"
+      },
+      "Bar": {
+        "$path": "b"
+      }
+    },
+    "HttpService": {
+      "$className": "HttpService",
+      "$properties": {
+        "HttpEnabled": true
+      }
+    }
+  }
+}

test-projects/multi_partition_game/expected-snapshot.json

@@ -0,0 +1,212 @@
+{
+  "name": "multi_partition_game",
+  "class_name": "DataModel",
+  "properties": {},
+  "children": [
+    {
+      "name": "HttpService",
+      "class_name": "HttpService",
+      "properties": {
+        "HttpEnabled": {
+          "Type": "Bool",
+          "Value": true
+        }
+      },
+      "children": [],
+      "metadata": {
+        "ignore_unknown_instances": true,
+        "source_path": null,
+        "project_definition": [
+          "HttpService",
+          {
+            "class_name": "HttpService",
+            "children": {},
+            "properties": {
+              "HttpEnabled": {
+                "Type": "Bool",
+                "Value": true
+              }
+            },
+            "ignore_unknown_instances": null,
+            "path": null
+          }
+        ]
+      }
+    },
+    {
+      "name": "ReplicatedStorage",
+      "class_name": "ReplicatedStorage",
+      "properties": {},
+      "children": [
+        {
+          "name": "Ack",
+          "class_name": "Folder",
+          "properties": {},
+          "children": [
+            {
+              "name": "foo",
+              "class_name": "StringValue",
+              "properties": {
+                "Value": {
+                  "Type": "String",
+                  "Value": "Hello world, from a/foo.txt"
+                }
+              },
+              "children": [],
+              "metadata": {
+                "ignore_unknown_instances": false,
+                "source_path": "a/foo.txt",
+                "project_definition": null
+              }
+            },
+            {
+              "name": "main",
+              "class_name": "ModuleScript",
+              "properties": {
+                "Source": {
+                  "Type": "String",
+                  "Value": "-- hello, from a/main.lua"
+                }
+              },
+              "children": [],
+              "metadata": {
+                "ignore_unknown_instances": false,
+                "source_path": "a/main.lua",
+                "project_definition": null
+              }
+            }
+          ],
+          "metadata": {
+            "ignore_unknown_instances": false,
+            "source_path": "a",
+            "project_definition": [
+              "Ack",
+              {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "a"
+              }
+            ]
+          }
+        },
+        {
+          "name": "Bar",
+          "class_name": "Folder",
+          "properties": {},
+          "children": [
+            {
+              "name": "something",
+              "class_name": "ModuleScript",
+              "properties": {
+                "Source": {
+                  "Type": "String",
+                  "Value": "-- b/something.lua"
+                }
+              },
+              "children": [],
+              "metadata": {
+                "ignore_unknown_instances": false,
+                "source_path": "b/something.lua",
+                "project_definition": null
+              }
+            }
+          ],
+          "metadata": {
+            "ignore_unknown_instances": false,
+            "source_path": "b",
+            "project_definition": [
+              "Bar",
+              {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "b"
+              }
+            ]
+          }
+        }
+      ],
+      "metadata": {
+        "ignore_unknown_instances": true,
+        "source_path": null,
+        "project_definition": [
+          "ReplicatedStorage",
+          {
+            "class_name": "ReplicatedStorage",
+            "children": {
+              "Bar": {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "b"
+              },
+              "Ack": {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "a"
+              }
+            },
+            "properties": {},
+            "ignore_unknown_instances": null,
+            "path": null
+          }
+        ]
+      }
+    }
+  ],
+  "metadata": {
+    "ignore_unknown_instances": true,
+    "source_path": null,
+    "project_definition": [
+      "multi_partition_game",
+      {
+        "class_name": "DataModel",
+        "children": {
+          "ReplicatedStorage": {
+            "class_name": "ReplicatedStorage",
+            "children": {
+              "Bar": {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "b"
+              },
+              "Ack": {
+                "class_name": null,
+                "children": {},
+                "properties": {},
+                "ignore_unknown_instances": null,
+                "path": "a"
+              }
+            },
+            "properties": {},
+            "ignore_unknown_instances": null,
+            "path": null
+          },
+          "HttpService": {
+            "class_name": "HttpService",
+            "children": {},
+            "properties": {
+              "HttpEnabled": {
+                "Type": "Bool",
+                "Value": true
+              }
+            },
+            "ignore_unknown_instances": null,
+            "path": null
+          }
+        },
+        "properties": {},
+        "ignore_unknown_instances": null,
+        "path": null
+      }
+    ]
+  }
+}

test-projects/multi_partition_game/initial.tree.json

@@ -0,0 +1,242 @@
+{
+  "instances": {
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "Name": "main",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- hello, from a/main.lua"
+        }
+      },
+      "Id": "8d44bb30-db3c-4366-a6c5-633bd1441885",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "Name": "Bar",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "b1c9928c-bf11-427f-90eb-b672c811d859",
+      "Children": [
+        "8d690a2a-e987-4c86-b9ac-18e6d3a98503"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    },
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "Name": "multi_partition_game",
+      "ClassName": "DataModel",
+      "Properties": {},
+      "Id": "645ba594-4482-441f-9f41-5bb9c444405b",
+      "Children": [
+        "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+        "9f141826-14c2-492b-b360-2558712f0c08"
+      ],
+      "Parent": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "Name": "ReplicatedStorage",
+      "ClassName": "ReplicatedStorage",
+      "Properties": {},
+      "Id": "9f141826-14c2-492b-b360-2558712f0c08",
+      "Children": [
+        "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+        "b1c9928c-bf11-427f-90eb-b672c811d859"
+      ],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "Name": "something",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- b/something.lua"
+        }
+      },
+      "Id": "8d690a2a-e987-4c86-b9ac-18e6d3a98503",
+      "Children": [],
+      "Parent": "b1c9928c-bf11-427f-90eb-b672c811d859"
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "Name": "HttpService",
+      "ClassName": "HttpService",
+      "Properties": {
+        "HttpEnabled": {
+          "Type": "Bool",
+          "Value": true
+        }
+      },
+      "Id": "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+      "Children": [],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "Name": "foo",
+      "ClassName": "StringValue",
+      "Properties": {
+        "Value": {
+          "Type": "String",
+          "Value": "Hello world, from a/foo.txt"
+        }
+      },
+      "Id": "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "Name": "Ack",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+      "Children": [
+        "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+        "8d44bb30-db3c-4366-a6c5-633bd1441885"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    }
+  },
+  "root_id": "645ba594-4482-441f-9f41-5bb9c444405b",
+  "metadata": {
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "multi_partition_game",
+        {
+          "class_name": "DataModel",
+          "children": {
+            "HttpService": {
+              "class_name": "HttpService",
+              "children": {},
+              "properties": {
+                "HttpEnabled": {
+                  "Type": "Bool",
+                  "Value": true
+                }
+              },
+              "ignore_unknown_instances": null,
+              "path": null
+            },
+            "ReplicatedStorage": {
+              "class_name": "ReplicatedStorage",
+              "children": {
+                "Ack": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "a"
+                },
+                "Bar": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "b"
+                }
+              },
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": null
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "ignore_unknown_instances": false,
+      "source_path": "a",
+      "project_definition": [
+        "Ack",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "a"
+        }
+      ]
+    },
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "ignore_unknown_instances": false,
+      "source_path": "b",
+      "project_definition": [
+        "Bar",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "b"
+        }
+      ]
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/foo.txt",
+      "project_definition": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "ReplicatedStorage",
+        {
+          "class_name": "ReplicatedStorage",
+          "children": {
+            "Ack": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "a"
+            },
+            "Bar": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "b"
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/main.lua",
+      "project_definition": null
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "HttpService",
+        {
+          "class_name": "HttpService",
+          "children": {},
+          "properties": {
+            "HttpEnabled": {
+              "Type": "Bool",
+              "Value": true
+            }
+          },
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "ignore_unknown_instances": false,
+      "source_path": "b/something.lua",
+      "project_definition": null
+    }
+  }
+}

test-projects/multi_partition_game/with_dir.tree.json

@@ -0,0 +1,256 @@
+{
+  "instances": {
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "Name": "main",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- hello, from a/main.lua"
+        }
+      },
+      "Id": "8d44bb30-db3c-4366-a6c5-633bd1441885",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "Name": "Bar",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "b1c9928c-bf11-427f-90eb-b672c811d859",
+      "Children": [
+        "8d690a2a-e987-4c86-b9ac-18e6d3a98503"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    },
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "Name": "multi_partition_game",
+      "ClassName": "DataModel",
+      "Properties": {},
+      "Id": "645ba594-4482-441f-9f41-5bb9c444405b",
+      "Children": [
+        "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+        "9f141826-14c2-492b-b360-2558712f0c08"
+      ],
+      "Parent": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "Name": "ReplicatedStorage",
+      "ClassName": "ReplicatedStorage",
+      "Properties": {},
+      "Id": "9f141826-14c2-492b-b360-2558712f0c08",
+      "Children": [
+        "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+        "b1c9928c-bf11-427f-90eb-b672c811d859"
+      ],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "Name": "something",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- b/something.lua"
+        }
+      },
+      "Id": "8d690a2a-e987-4c86-b9ac-18e6d3a98503",
+      "Children": [],
+      "Parent": "b1c9928c-bf11-427f-90eb-b672c811d859"
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "Name": "HttpService",
+      "ClassName": "HttpService",
+      "Properties": {
+        "HttpEnabled": {
+          "Type": "Bool",
+          "Value": true
+        }
+      },
+      "Id": "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+      "Children": [],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "46353305-8818-48fe-94fd-80cf0c5d974c": {
+      "Name": "added",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "46353305-8818-48fe-94fd-80cf0c5d974c",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "Name": "foo",
+      "ClassName": "StringValue",
+      "Properties": {
+        "Value": {
+          "Type": "String",
+          "Value": "Hello world, from a/foo.txt"
+        }
+      },
+      "Id": "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "Name": "Ack",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+      "Children": [
+        "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+        "8d44bb30-db3c-4366-a6c5-633bd1441885",
+        "46353305-8818-48fe-94fd-80cf0c5d974c"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    }
+  },
+  "root_id": "645ba594-4482-441f-9f41-5bb9c444405b",
+  "metadata": {
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "ignore_unknown_instances": false,
+      "source_path": "b",
+      "project_definition": [
+        "Bar",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "b"
+        }
+      ]
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/foo.txt",
+      "project_definition": null
+    },
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/main.lua",
+      "project_definition": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "ReplicatedStorage",
+        {
+          "class_name": "ReplicatedStorage",
+          "children": {
+            "Ack": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "a"
+            },
+            "Bar": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "b"
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "HttpService",
+        {
+          "class_name": "HttpService",
+          "children": {},
+          "properties": {
+            "HttpEnabled": {
+              "Type": "Bool",
+              "Value": true
+            }
+          },
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "46353305-8818-48fe-94fd-80cf0c5d974c": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/added",
+      "project_definition": null
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "ignore_unknown_instances": false,
+      "source_path": "a",
+      "project_definition": [
+        "Ack",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "a"
+        }
+      ]
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "ignore_unknown_instances": false,
+      "source_path": "b/something.lua",
+      "project_definition": null
+    },
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "multi_partition_game",
+        {
+          "class_name": "DataModel",
+          "children": {
+            "HttpService": {
+              "class_name": "HttpService",
+              "children": {},
+              "properties": {
+                "HttpEnabled": {
+                  "Type": "Bool",
+                  "Value": true
+                }
+              },
+              "ignore_unknown_instances": null,
+              "path": null
+            },
+            "ReplicatedStorage": {
+              "class_name": "ReplicatedStorage",
+              "children": {
+                "Ack": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "a"
+                },
+                "Bar": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "b"
+                }
+              },
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": null
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    }
+  }
+}

test-projects/multi_partition_game/with_moved_dir.tree.json

@@ -0,0 +1,256 @@
+{
+  "instances": {
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "Name": "main",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- hello, from a/main.lua"
+        }
+      },
+      "Id": "8d44bb30-db3c-4366-a6c5-633bd1441885",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "Name": "Bar",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "b1c9928c-bf11-427f-90eb-b672c811d859",
+      "Children": [
+        "8d690a2a-e987-4c86-b9ac-18e6d3a98503",
+        "a8566e76-0495-45a3-a713-1c59ab39453b"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    },
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "Name": "multi_partition_game",
+      "ClassName": "DataModel",
+      "Properties": {},
+      "Id": "645ba594-4482-441f-9f41-5bb9c444405b",
+      "Children": [
+        "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+        "9f141826-14c2-492b-b360-2558712f0c08"
+      ],
+      "Parent": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "Name": "ReplicatedStorage",
+      "ClassName": "ReplicatedStorage",
+      "Properties": {},
+      "Id": "9f141826-14c2-492b-b360-2558712f0c08",
+      "Children": [
+        "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+        "b1c9928c-bf11-427f-90eb-b672c811d859"
+      ],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "Name": "something",
+      "ClassName": "ModuleScript",
+      "Properties": {
+        "Source": {
+          "Type": "String",
+          "Value": "-- b/something.lua"
+        }
+      },
+      "Id": "8d690a2a-e987-4c86-b9ac-18e6d3a98503",
+      "Children": [],
+      "Parent": "b1c9928c-bf11-427f-90eb-b672c811d859"
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "Name": "HttpService",
+      "ClassName": "HttpService",
+      "Properties": {
+        "HttpEnabled": {
+          "Type": "Bool",
+          "Value": true
+        }
+      },
+      "Id": "b1298bcc-e370-44a6-9ef4-fbefa290124c",
+      "Children": [],
+      "Parent": "645ba594-4482-441f-9f41-5bb9c444405b"
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "Name": "foo",
+      "ClassName": "StringValue",
+      "Properties": {
+        "Value": {
+          "Type": "String",
+          "Value": "Hello world, from a/foo.txt"
+        }
+      },
+      "Id": "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+      "Children": [],
+      "Parent": "1aafa29b-bdca-40a0-a677-7ead327b84ce"
+    },
+    "a8566e76-0495-45a3-a713-1c59ab39453b": {
+      "Name": "added",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "a8566e76-0495-45a3-a713-1c59ab39453b",
+      "Children": [],
+      "Parent": "b1c9928c-bf11-427f-90eb-b672c811d859"
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "Name": "Ack",
+      "ClassName": "Folder",
+      "Properties": {},
+      "Id": "1aafa29b-bdca-40a0-a677-7ead327b84ce",
+      "Children": [
+        "54f2f276-964f-4c60-87d8-5fb2209c97c9",
+        "8d44bb30-db3c-4366-a6c5-633bd1441885"
+      ],
+      "Parent": "9f141826-14c2-492b-b360-2558712f0c08"
+    }
+  },
+  "root_id": "645ba594-4482-441f-9f41-5bb9c444405b",
+  "metadata": {
+    "645ba594-4482-441f-9f41-5bb9c444405b": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "multi_partition_game",
+        {
+          "class_name": "DataModel",
+          "children": {
+            "HttpService": {
+              "class_name": "HttpService",
+              "children": {},
+              "properties": {
+                "HttpEnabled": {
+                  "Type": "Bool",
+                  "Value": true
+                }
+              },
+              "ignore_unknown_instances": null,
+              "path": null
+            },
+            "ReplicatedStorage": {
+              "class_name": "ReplicatedStorage",
+              "children": {
+                "Ack": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "a"
+                },
+                "Bar": {
+                  "class_name": null,
+                  "children": {},
+                  "properties": {},
+                  "ignore_unknown_instances": null,
+                  "path": "b"
+                }
+              },
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": null
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "1aafa29b-bdca-40a0-a677-7ead327b84ce": {
+      "ignore_unknown_instances": false,
+      "source_path": "a",
+      "project_definition": [
+        "Ack",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "a"
+        }
+      ]
+    },
+    "a8566e76-0495-45a3-a713-1c59ab39453b": {
+      "ignore_unknown_instances": false,
+      "source_path": "b/added",
+      "project_definition": null
+    },
+    "8d690a2a-e987-4c86-b9ac-18e6d3a98503": {
+      "ignore_unknown_instances": false,
+      "source_path": "b/something.lua",
+      "project_definition": null
+    },
+    "8d44bb30-db3c-4366-a6c5-633bd1441885": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/main.lua",
+      "project_definition": null
+    },
+    "9f141826-14c2-492b-b360-2558712f0c08": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "ReplicatedStorage",
+        {
+          "class_name": "ReplicatedStorage",
+          "children": {
+            "Ack": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "a"
+            },
+            "Bar": {
+              "class_name": null,
+              "children": {},
+              "properties": {},
+              "ignore_unknown_instances": null,
+              "path": "b"
+            }
+          },
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    },
+    "b1c9928c-bf11-427f-90eb-b672c811d859": {
+      "ignore_unknown_instances": false,
+      "source_path": "b",
+      "project_definition": [
+        "Bar",
+        {
+          "class_name": null,
+          "children": {},
+          "properties": {},
+          "ignore_unknown_instances": null,
+          "path": "b"
+        }
+      ]
+    },
+    "54f2f276-964f-4c60-87d8-5fb2209c97c9": {
+      "ignore_unknown_instances": false,
+      "source_path": "a/foo.txt",
+      "project_definition": null
+    },
+    "b1298bcc-e370-44a6-9ef4-fbefa290124c": {
+      "ignore_unknown_instances": true,
+      "source_path": null,
+      "project_definition": [
+        "HttpService",
+        {
+          "class_name": "HttpService",
+          "children": {},
+          "properties": {
+            "HttpEnabled": {
+              "Type": "Bool",
+              "Value": true
+            }
+          },
+          "ignore_unknown_instances": null,
+          "path": null
+        }
+      ]
+    }
+  }
+}