Refactor project file into its own crate

* Port release workflow from Aftman to test

* Checkout submodules in plugin build step

* ...and build with submodules for other builds too

* Fix ci.yml; we use master branch still

* CI with submodules too

.github/FUNDING.yml

@@ -0,0 +1 @@
+patreon: lpghatguy

.github/workflows/ci.yml

@@ -1,36 +1,59 @@
 name: CI
 
-on: [push]
+on:
+  push:
+    branches:
+    - master
+
+  pull_request:
+    branches:
+    - master
 
 jobs:
   build:
-
+    name: Build and Test
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        rust_version: [stable, "1.36.0"]
+        rust_version: [stable, 1.55.0]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
 
-    - name: Setup Rust toolchain
-      run: rustup default ${{ matrix.rust_version }}
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: ${{ matrix.rust_version }}
+        override: true
+        profile: minimal
 
     - name: Build
       run: cargo build --locked --verbose
 
-    - name: Run tests
+    - name: Test
       run: cargo test --locked --verbose
 
-    - name: Rustfmt and Clippy
-      run: |
-        cargo fmt -- --check
-        cargo clippy
-      if: matrix.rust_version == 'stable'
+  lint:
+    name: Rustfmt and Clippy
+    runs-on: ubuntu-latest
 
-    - name: Build (All Features)
-      run: cargo build --locked --verbose --all-features
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
 
-    - name: Run tests (All Features)
-      run: cargo test --locked --verbose --all-features
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        override: true
+        components: rustfmt, clippy
+
+    - name: Rustfmt
+      run: cargo fmt -- --check
+
+    - name: Clippy
+      run: cargo clippy

.github/workflows/release.yml

@@ -2,59 +2,152 @@ name: Release
 
 on:
   push:
-    tags: ["*"]
+    tags: ["v*"]
 
 jobs:
-  windows:
-    runs-on: windows-latest
-
-    steps:
-    - uses: actions/checkout@v1
-
-    - name: Build release binary
-      run: cargo build --verbose --locked --release
-
-    - name: Upload artifacts
-      uses: actions/upload-artifact@v1
-      with:
-        name: rojo-win64
-        path: target/release/rojo.exe
-
-  macos:
-    runs-on: macos-latest
-
-    steps:
-    - uses: actions/checkout@v1
-
-    - name: Install Rust
-      run: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
-
-    - name: Build release binary
-      run: |
-        source $HOME/.cargo/env
-        cargo build --verbose --locked --release
-      env:
-        OPENSSL_STATIC: 1
-
-    - name: Upload artifacts
-      uses: actions/upload-artifact@v1
-      with:
-        name: rojo-macos
-        path: target/release/rojo
-
-  linux:
+  create-release:
+    name: Create Release
     runs-on: ubuntu-latest
-
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
     steps:
-    - uses: actions/checkout@v1
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: true
+          prerelease: false
 
-    - name: Build
-      run: cargo build --locked --verbose --release
-      env:
-        OPENSSL_STATIC: 1
+  build-plugin:
+    needs: ["create-release"]
+    name: Build Roblox Studio Plugin
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
 
-    - name: Upload artifacts
-      uses: actions/upload-artifact@v1
-      with:
-        name: rojo-linux
-        path: target/release/rojo
+      - name: Setup Foreman
+        uses: Roblox/setup-foreman@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build Plugin
+        run: rojo build plugin --output Rojo.rbxm
+
+      - name: Upload Plugin to Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: Rojo.rbxm
+          asset_name: Rojo.rbxm
+          asset_content_type: application/octet-stream
+
+      - name: Upload Plugin to Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: Rojo.rbxm
+          path: Rojo.rbxm
+
+  build:
+    needs: ["create-release"]
+    strategy:
+      fail-fast: false
+      matrix:
+        # https://doc.rust-lang.org/rustc/platform-support.html
+        #
+        # FIXME: After the Rojo VS Code extension updates, add architecture
+        # names to each of these releases. We'll rename win64 to windows and add
+        # -x86_64 to each release.
+        include:
+          - host: linux
+            os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            label: linux
+
+          - host: windows
+            os: windows-latest
+            target: x86_64-pc-windows-msvc
+            label: win64
+
+          - host: macos
+            os: macos-latest
+            target: x86_64-apple-darwin
+            label: macos
+
+          - host: macos
+            os: macos-latest
+            target: aarch64-apple-darwin
+            label: macos-aarch64
+
+    name: Build (${{ matrix.target }})
+    runs-on: ${{ matrix.os }}
+    env:
+      BIN: rojo
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+
+      - name: Get Version from Tag
+        shell: bash
+        # https://github.community/t/how-to-get-just-the-tag-name/16241/7#M1027
+        run: |
+          echo "PROJECT_VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+          echo "Version is: ${{ env.PROJECT_VERSION }}"
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: ${{ matrix.target }}
+          override: true
+          profile: minimal
+
+      - name: Build Release
+        run: cargo build --release --locked --verbose
+        env:
+          # Build into a known directory so we can find our build artifact more
+          # easily.
+          CARGO_TARGET_DIR: output
+
+          # On platforms that use OpenSSL, ensure it is statically linked to
+          # make binaries more portable.
+          OPENSSL_STATIC: 1
+
+      - name: Create Release Archive
+        shell: bash
+        run: |
+          mkdir staging
+
+          if [ "${{ matrix.host }}" = "windows" ]; then
+            cp "output/release/$BIN.exe" staging/
+            cd staging
+            7z a ../release.zip *
+          else
+            cp "output/release/$BIN" staging/
+            cd staging
+            zip ../release.zip *
+          fi
+
+      - name: Upload Archive to Release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.create-release.outputs.upload_url }}
+          asset_path: release.zip
+          asset_name: ${{ env.BIN }}-${{ env.PROJECT_VERSION }}-${{ matrix.label }}.zip
+          asset_content_type: application/octet-stream
+
+      - name: Upload Archive to Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.BIN }}-${{ env.PROJECT_VERSION }}-${{ matrix.label }}.zip
+          path: release.zip

.gitignore

@@ -10,9 +10,15 @@
 /*.rbxl
 /*.rbxlx
 
+# Test places for the Roblox Studio Plugin
+/plugin/*.rbxlx
+
 # Roblox Studio holds 'lock' files on places
 *.rbxl.lock
 *.rbxlx.lock
 
 # Snapshot files from the 'insta' Rust crate
-**/*.snap.new
+**/*.snap.new
+
+# Selene generates a roblox.toml file that should not be checked in.
+/roblox.toml

.gitmodules

@@ -10,6 +10,6 @@
 [submodule "plugin/modules/t"]
 	path = plugin/modules/t
 	url = https://github.com/osyrisrblx/t.git
-[submodule "plugin/modules/rbx-dom"]
-	path = plugin/modules/rbx-dom
-	url = http://github.com/rojo-rbx/rbx-dom
+[submodule "plugin/modules/flipper"]
+	path = plugin/modules/flipper
+	url = https://github.com/Reselim/Flipper

.luacheckrc

@@ -33,7 +33,7 @@ stds.plugin = {
 stds.testez = {
 	read_globals = {
 		"describe",
-		"it", "itFOCUS", "itSKIP",
+		"it", "itFOCUS", "itSKIP", "itFIXME",
 		"FOCUS", "SKIP", "HACK_NO_XPCALL",
 		"expect",
 	}

CHANGELOG.md

@@ -1,6 +1,223 @@
 # Rojo Changelog
 
 ## Unreleased Changes
+* Switched from structopt to clap for command line argument parsing.
+
+## [7.1.1] - May 26, 2022
+* Fixed sourcemap command not stripping paths correctly ([#544])
+* Fixed Studio plugin settings not saving correctly.
+
+[#544]: https://github.com/rojo-rbx/rojo/pull/544
+[#545]: https://github.com/rojo-rbx/rojo/pull/545
+[7.1.1]: https://github.com/rojo-rbx/rojo/releases/tag/v7.1.1
+
+## [7.1.0] - May 22, 2022
+* Added support for specifying an address to be used by default in project files. ([#507])
+* Added support for optional paths in project files. ([#472])
+* Added support for the new Open Cloud API when uploading. ([#504])
+* Added `sourcemap` command for generating sourcemaps to feed into other tools. ([#530])
+* Added PluginActions for connecting/disconnecting a session ([#537])
+* Added changing toolbar icon to indicate state ([#538])
+
+[#472]: https://github.com/rojo-rbx/rojo/pull/472
+[#504]: https://github.com/rojo-rbx/rojo/pull/504
+[#507]: https://github.com/rojo-rbx/rojo/pull/507
+[#530]: https://github.com/rojo-rbx/rojo/pull/530
+[#537]: https://github.com/rojo-rbx/rojo/pull/537
+[#538]: https://github.com/rojo-rbx/rojo/pull/538
+[7.1.0]: https://github.com/rojo-rbx/rojo/releases/tag/v7.1.0
+
+## [7.0.0] - December 10, 2021
+* Fixed Rojo's interactions with properties enabled by FFlags that are not yet enabled. ([#493])
+* Improved output in Roblox Studio plugin when bad property data is encountered.
+* Reintroduced support for CFrame shorthand syntax in Rojo project and `.meta.json` files, matching Rojo 6. ([#430])
+* Connection settings are now remembered when reconnecting in Roblox Studio. ([#500])
+* Updated reflection database to Roblox v503.
+
+[#430]: https://github.com/rojo-rbx/rojo/issues/430
+[#493]: https://github.com/rojo-rbx/rojo/pull/493
+[#500]: https://github.com/rojo-rbx/rojo/pull/500
+[7.0.0]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0
+
+## [7.0.0-rc.3] - October 19, 2021
+This is the last release candidate for Rojo 7. In an effort to get Rojo 7 out the door, we'll be freezing features from here on out, something we should've done a couple months ago.
+
+Expect to see Rojo 7 stable soon!
+
+* Added support for writing `Tags` in project files, model files, and meta files. ([#484])
+* Adjusted Studio plugin colors to match Roblox Studio palette. ([#482])
+* Improved experimental two-way sync feature by batching changes. ([#478])
+
+[#482]: https://github.com/rojo-rbx/rojo/pull/482
+[#484]: https://github.com/rojo-rbx/rojo/pull/484
+[#478]: https://github.com/rojo-rbx/rojo/pull/478
+[7.0.0-rc.3]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-rc.3
+
+## 7.0.0-rc.2 - October 19, 2021
+(Botched release due to Git mishap, oops!)
+
+## [7.0.0-rc.1] - August 23, 2021
+In Rojo 6 and previous Rojo 7 alphas, an explicit Vector3 property would be written like this:
+
+```json
+{
+    "className": "Part",
+    "properties": {
+        "Position": {
+            "Type": "Vector3",
+            "Value": [1, 2, 3]
+        }
+    }
+}
+```
+
+For Rojo 7, this will need to be changed to:
+
+```json
+{
+    "className": "Part",
+    "properties": {
+        "Position": {
+            "Vector3": [1, 2, 3]
+        }
+    }
+}
+```
+
+The shorthand property format that most users use is not impacted. For reference, it looks like this:
+
+```json
+{
+    "className": "Part",
+    "properties": {
+        "Position": [1, 2, 3]
+    }
+}
+```
+
+* Major breaking change: changed property syntax for project files; shorthand syntax is unchanged.
+* Added the `fmt-project` subcommand for formatting Rojo project files.
+* Improved error output for many subcommands.
+* Updated to stable versions of rbx-dom libraries.
+* Updated async infrastructure, which should fix a handful of bugs. ([#459])
+* Fixed syncing refs in the Roblox Studio plugin ([#462], [#466])
+* Added support for long paths on Windows. ([#464])
+
+[#459]: https://github.com/rojo-rbx/rojo/pull/459
+[#462]: https://github.com/rojo-rbx/rojo/pull/462
+[#464]: https://github.com/rojo-rbx/rojo/pull/464
+[#466]: https://github.com/rojo-rbx/rojo/pull/466
+[7.0.0-rc.1]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-rc.1
+
+## [7.0.0-alpha.4][7.0.0-alpha.4] (May 5, 2021)
+* Added the `gameId` and `placeId` optional properties to project files.
+    * When connecting from the Rojo Roblox Studio plugin, Rojo will set the game and place ID of the current place to these values, if set.
+    * This is equivalent to running `game:SetUniverseId(...)` and `game:SetPlaceId(...)` from the command bar in Studio.
+* Added "EXPERIMENTAL!" label to two-way sync toggle in Rojo's Roblox Studio plugin.
+* Fixed `Name` and `Parent` properties being allowed in Rojo projects. ([#413][pr-413])
+* Fixed "Open Scripts Externally" feature crashing Studio. ([#369][issue-369])
+* Empty `.model.json` files will no longer cause errors. ([#420][pr-420])
+* When specifying `$path` on a service, Rojo now keeps the correct class name. ([#331][issue-331])
+* Improved error messages for misconfigured projects.
+
+[issue-331]: https://github.com/rojo-rbx/rojo/issues/331
+[issue-369]: https://github.com/rojo-rbx/rojo/issues/369
+[pr-420]: https://github.com/rojo-rbx/rojo/pull/420
+[pr-413]: https://github.com/rojo-rbx/rojo/pull/413
+[7.0.0-alpha.4]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-alpha.4
+
+## [7.0.0-alpha.3][7.0.0-alpha.3] (February 19, 2021)
+* Updated dependencies, fixing `OptionalCoordinateFrame`-related issues.
+* Added `--address` flag to `rojo serve` to allow for external connections. ([#403][pr-403])
+
+[pr-403]: https://github.com/rojo-rbx/rojo/pull/403
+[7.0.0-alpha.3]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-alpha.3
+
+## [7.0.0-alpha.2][7.0.0-alpha.2] (February 19, 2021)
+* Fixed incorrect protocol version between the client and server.
+
+[7.0.0-alpha.2]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-alpha.2
+
+## [7.0.0-alpha.1][7.0.0-alpha.1] (February 18, 2021)
+This release includes a brand new implementation of the Roblox DOM. It brings performance improvements, much better support for `rbxl` and `rbxm` files, and a better internal API.
+
+* Added support for all remaining property types.
+* Added support for the entire Roblox binary model format.
+* Changed `rojo upload` to upload binary places and models instead of XML.
+    * This should make using `rojo upload` much more feasible for large places.
+* **Breaking**: Changed format of some types of values in `project.json`, `model.json`, and `meta.json` files.
+    * This should impact few projects. See [this file][allValues.json] for new examples of each property type.
+
+Formatting of types will change more before the stable release of Rojo 7. We're hoping to use this opportunity to normalize some of the case inconsistency introduced in Rojo 0.5.
+
+[7.0.0-alpha.1]: https://github.com/rojo-rbx/rojo/releases/tag/v7.0.0-alpha.1
+[allValues.json]: https://github.com/rojo-rbx/rojo/blob/f4a790eb50b74e482000bad1dcfe22533992fb20/plugin/rbx_dom_lua/src/allValues.json
+
+## [6.0.2](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.2) (February 9, 2021)
+* Fixed `rojo upload` to handle CSRF challenges.
+
+## [6.0.1](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.1) (January 22, 2021)
+* Fixed `rojo upload` requests being rejected by Roblox
+
+## [6.0.0](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.0) (January 16, 2021)
+* Improved server error messages
+    * The server will now keep running in more error cases
+* Fixed Rojo being unable to diff ClassName changes
+
+## [6.0.0 Release Candidate 4](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.0-rc.4) (December 14, 2020)
+* Added brand new Rojo UI ([#367](https://github.com/rojo-rbx/rojo/pull/367))
+* Added `projectName` to `/api/rojo` output.
+
+## [6.0.0 Release Candidate 3](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.0-rc.3) (November 19, 2020)
+* Fixed the Rojo plugin attempting to write the non-scriptable properties `Instance.SourceAssetId` and `HttpServer.HttpEnabled`.
+* Fixed the Rojo plugin's handling of null referents.
+
+## [6.0.0 Release Candidate 2](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.0-rc.2) (November 19, 2020)
+* Fixed crash when malformed CSV files are put into a project. ([#310](https://github.com/rojo-rbx/rojo/issues/310))
+* Fixed incorrect string escaping when producing Lua code from JSON files. ([#314](https://github.com/rojo-rbx/rojo/issues/314))
+* Fixed performance issues introduced in Rojo 6.0.0-rc.1. ([#317](https://github.com/rojo-rbx/rojo/issues/317))
+* Fixed `rojo plugin install` subcommand failing for everyone except Rojo developers. ([#320](https://github.com/rojo-rbx/rojo/issues/320))
+* Updated default place template to take advantage of [#210](https://github.com/rojo-rbx/rojo/pull/210).
+* Enabled glob ignore patterns by default and removed the `unstable_glob_ignore` feature.
+    * `globIgnorePaths` can be set on a project to a list of globs to ignore.
+* The Rojo plugin now completes as much as it can from a patch without disconnecting. Warnings are shown in the console.
+* Fixed 6.0.0-rc.1 regression causing instances that changed ClassName to instead... not change ClassName.
+
+## [6.0.0 Release Candidate 1](https://github.com/rojo-rbx/rojo/releases/tag/v6.0.0-rc.1) (March 29, 2020)
+This release jumped from 0.6.0 to 6.0.0. Rojo has been in use in production for many users for quite a long times, and so 6.0 is a more accurate reflection of Rojo's version than a pre-1.0 version.
+
+* Added basic settings panel to plugin, with two settings:
+    * "Open Scripts Externally": When enabled, opening a script in Studio will instead open it in your default text editor.
+    * "Two-Way Sync": When enabled, Rojo will attempt to save changes to your place back to the filesystem. **Very early feature, very broken, beware!**
+* Added `--color` option to force-enable or force-disable color in Rojo's output.
+* Added support for turning `.json` files into `ModuleScript` instances ([#308](https://github.com/rojo-rbx/rojo/pull/308))
+* Added `rojo plugin install` and `rojo plugin uninstall` to allow Rojo to manage its Roblox Studio plugin. ([#304](https://github.com/rojo-rbx/rojo/pull/304))
+* Class names no longer need to be specified for Roblox services in Rojo projects. ([#210](https://github.com/rojo-rbx/rojo/pull/210))
+* The server half of **experimental** two-way sync is now enabled by default.
+* Increased default logging verbosity in commands like `rojo build`.
+* Rojo now requires a project file again, just like 0.5.4.
+
+## [0.6.0 Alpha 3](https://github.com/rojo-rbx/rojo/releases/tag/v0.6.0-alpha.3) (March 13, 2020)
+* Added `--watch` argument to `rojo build`. ([#284](https://github.com/rojo-rbx/rojo/pull/284))
+* Added dark theme support to plugin. ([#241](https://github.com/rojo-rbx/rojo/issues/241))
+* Added a revamped `rojo init` command, which will now create more complete projects.
+* Added the `rojo doc` command, which opens Rojo's documentation in your browser.
+* Fixed many crashes from malformed projects and filesystem edge cases in `rojo serve`.
+* Simplified filesystem access code dramatically.
+* Improved error reporting and logging across the board.
+    * Log messages have a less noisy prefix.
+    * Any thread panicking now causes Rojo to abort instead of existing as a zombie.
+    * Errors now have a list of causes, helping make many errors more clear.
+
+## [0.6.0 Alpha 2](https://github.com/rojo-rbx/rojo/releases/tag/v0.6.0-alpha.2) (March 6, 2020)
+* Fixed `rojo upload` command always uploading models.
+* Removed `--kind` parameter to `rojo upload`; Rojo now automatically uploads the correct kind of asset based on your project file.
+
+## [0.5.4](https://github.com/rojo-rbx/rojo/releases/tag/v0.5.4) (February 26, 2020)
+This is a general maintenance release for the Rojo 0.5.x release series.
+
+* Updated reflection database and other dependencies.
+* First stable release with binaries for macOS and Linux.
 
 ## [0.6.0 Alpha 1](https://github.com/rojo-rbx/rojo/releases/tag/v0.6.0-alpha.1) (January 22, 2020)
 
@@ -26,6 +243,12 @@
 * Added "error" state to show errors in a place that isn't the output panel.
 * Improved diagnostics for when the Rojo plugin cannot create an instance.
 
+## [0.5.3](https://github.com/rojo-rbx/rojo/releases/tag/v0.5.3) (October 15, 2019)
+* Fixed an issue where Rojo would throw an error when encountering recently-added instance classes.
+
+## [0.5.2](https://github.com/rojo-rbx/rojo/releases/tag/v0.5.2) (October 14, 2019)
+* Fixed an issue where `LocalizationTable` instances would have their column order randomized. ([#173](https://github.com/rojo-rbx/rojo/issues/173))
+
 ## [0.5.1](https://github.com/rojo-rbx/rojo/releases/tag/v0.5.1) (October 4, 2019)
 * Fixed an issue where Rojo would drop changes if they happened too quickly ([#252](https://github.com/rojo-rbx/rojo/issues/252))
 * Improved diagnostics for when the Rojo plugin cannot create an instance.
@@ -80,7 +303,7 @@
 
 ## [0.5.0 Alpha 9](https://github.com/rojo-rbx/rojo/releases/tag/v0.5.0-alpha.9) (April 4, 2019)
 * Changed `rojo build` to use buffered I/O, which can make it up to 2x faster in some cases.
-    * Building [*Road Not Taken*](https://github.com/rojo-rbx/roads) to an `rbxlx` file dropped from 150ms to 70ms on my machine
+    * Building [*Road Not Taken*](https://github.com/LPGhatguy/roads) to an `rbxlx` file dropped from 150ms to 70ms on my machine
 * Fixed `LocalizationTable` instances being made from `csv` files incorrectly interpreting empty rows and columns. ([#149](https://github.com/rojo-rbx/rojo/pull/149))
 * Fixed CSV files with entries that parse as numbers causing Rojo to panic. ([#152](https://github.com/rojo-rbx/rojo/pull/152))
 * Improved error messages when malformed CSV files are found in a Rojo project.
@@ -277,4 +500,4 @@
 * More robust syncing with a new reconciler
 
 ## [0.1.0](https://github.com/rojo-rbx/rojo/releases/tag/v0.1.0) (November 29, 2017)
-* Initial release, functionally very similar to [rbxfs](https://github.com/rojo-rbx/rbxfs)
+* Initial release, functionally very similar to [rbxfs](https://github.com/LPGhatguy/rbxfs)

CONTRIBUTING.md

@@ -1,5 +1,5 @@
 # Contributing to the Rojo Project
-Rojo is a big project and can always use more help! This guide covers all repositories underneath the [rojo-rbx organization on GitHub](https://github.com/rojo-rbx).
+Rojo is a big project and can always use more help!
 
 Some of the repositories covered are:
 
@@ -15,8 +15,7 @@ You'll want these tools to work on Rojo:
 
 * Latest stable Rust compiler
 * Latest stable [Rojo](https://github.com/rojo-rbx/rojo)
-* Latest stable [Remodel](https://github.com/rojo-rbx/remodel)
-* Latest stable [run-in-roblox](https://github.com/rojo-rbx/run-in-roblox)
+* [Foreman](https://github.com/Roblox/foreman)
 
 ## Documentation
 Documentation impacts way more people than the individual lines of code we write.
@@ -30,23 +29,26 @@ Sometimes there's something that Rojo doesn't do that it probably should.
 
 Please file issues and we'll try to help figure out what the best way forward is.
 
+## Local Development Gotchas
+
+If your build fails with "Error: failed to open file `D:\code\rojo\plugin\modules\roact\src`" you need to update your Git submodules.
+Run the command and try building again: `git submodule update --init --recursive`.
+
 ## Pushing a Rojo Release
 The Rojo release process is pretty manual right now. If you need to do it, here's how:
 
-1. Bump server version in [`server/Cargo.toml`](server/Cargo.toml)
+1. Bump server version in [`Cargo.toml`](Cargo.toml)
 2. Bump plugin version in [`plugin/src/Config.lua`](plugin/src/Config.lua)
-3. Run `cargo test` to update `Cargo.lock` and double-check tests
+3. Run `cargo test` to update `Cargo.lock` and run tests
 4. Update [`CHANGELOG.md`](CHANGELOG.md)
 5. Commit!
     * `git add . && git commit -m "Release vX.Y.Z"`
-6. Tag the commit with the version from `Cargo.toml` prepended with a v, like `v0.4.13`
-7. Build Windows release build of CLI
-    * `cargo build --release`
+6. Tag the commit
+    * `git tag vX.Y.Z`
 7. Publish the CLI
     * `cargo publish`
-8. Build and upload the plugin
-    * `rojo build plugin -o Rojo.rbxm`
-    * Upload `Rojo.rbxm` to Roblox.com, keep it for later
+8. Publish the Plugin
+    * `cargo run -- upload plugin --asset_id 6415005344`
 9. Push commits and tags
     * `git push && git push --tags`
 10. Copy GitHub release content from previous release

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rojo"
-version = "0.6.0-alpha.1"
+version = "7.1.1"
 authors = ["Lucien Greathouse <me@lpghatguy.com>"]
 description = "Enables professional-grade development tools for Roblox developers"
 license = "MPL-2.0"
@@ -9,89 +9,98 @@ documentation = "https://rojo.space/docs"
 repository = "https://github.com/rojo-rbx/rojo"
 readme = "README.md"
 edition = "2018"
+build = "build.rs"
 
 exclude = [
-    "/plugin/**",
     "/test-projects/**",
 ]
 
+[profile.dev]
+panic = "abort"
+
+[profile.release]
+panic = "abort"
+
 [features]
 default = []
 
-# Turn on support for specifying glob ignore path rules in the project format.
-unstable_glob_ignore_paths = []
-
-# Turn on the server half of Rojo's unstable two-way sync feature.
-unstable_two_way_sync = []
-
 # Enable this feature to live-reload assets from the web UI.
 dev_live_assets = []
 
 [workspace]
-members = [
-    "rojo-test",
-    "rojo-insta-ext",
-    "clibrojo",
-]
-
-default-members = [
-    ".",
-    "rojo-test",
-    "rojo-insta-ext",
-]
+members = ["crates/*"]
 
 [lib]
 name = "librojo"
 path = "src/lib.rs"
 
-[[bin]]
-name = "rojo"
-path = "src/bin.rs"
-
 [[bench]]
 name = "build"
 harness = false
 
 [dependencies]
-crossbeam-channel = "0.4.0"
-csv = "1.1.1"
-env_logger = "0.7.1"
-futures = "0.1.29"
-globset = "0.4.4"
-humantime = "1.3.0"
-hyper = "0.12.35"
-jod-thread = "0.1.0"
-lazy_static = "1.4.0"
-log = "0.4.8"
-maplit = "1.0.1"
-notify = "4.0.14"
-rbx_binary = "0.5.0"
-rbx_dom_weak = "1.10.1"
-rbx_reflection = "3.3.408"
-rbx_xml = "0.11.3"
-regex = "1.3.1"
-reqwest = "0.9.20"
+rojo-project = { path = "crates/rojo-project" }
+memofs = { version = "0.2.0", path = "crates/memofs" }
+
+# These dependencies can be uncommented when working on rbx-dom simultaneously
+# rbx_binary = { path = "../rbx-dom/rbx_binary" }
+# rbx_dom_weak = { path = "../rbx-dom/rbx_dom_weak" }
+# rbx_reflection = { path = "../rbx-dom/rbx_reflection" }
+# rbx_reflection_database = { path = "../rbx-dom/rbx_reflection_database" }
+# rbx_xml = { path = "../rbx-dom/rbx_xml" }
+
+rbx_binary = "0.6.4"
+rbx_dom_weak = "2.3.0"
+rbx_reflection = "4.2.0"
+rbx_reflection_database = "0.2.2"
+rbx_xml = "0.12.3"
+
+anyhow = "1.0.44"
+backtrace = "0.3.61"
+bincode = "1.3.3"
+crossbeam-channel = "0.5.1"
+csv = "1.1.6"
+env_logger = "0.9.0"
+fs-err = "2.6.0"
+futures = "0.3.17"
+globset = "0.4.8"
+humantime = "2.1.0"
+hyper = { version = "0.14.13", features = ["server", "tcp", "http1"] }
+jod-thread = "0.1.2"
+log = "0.4.14"
+maplit = "1.0.2"
+notify = "4.0.17"
+opener = "0.5.0"
+reqwest = { version = "0.11.10", features = ["blocking", "json"] }
 ritz = "0.1.0"
-rlua = "0.17.0"
-serde = { version = "1.0", features = ["derive", "rc"] }
-serde_json = "1.0"
-snafu = "0.6.0"
-structopt = "0.3.5"
-termcolor = "1.0.5"
-uuid = { version = "0.8.1", features = ["v4", "serde"] }
+roblox_install = "1.0.0"
+serde = { version = "1.0.130", features = ["derive", "rc"] }
+serde_json = "1.0.68"
+termcolor = "1.1.2"
+thiserror = "1.0.30"
+tokio = { version = "1.12.0", features = ["rt", "rt-multi-thread"] }
+uuid = { version = "1.0.0", features = ["v4", "serde"] }
+clap = { version = "3.1.18", features = ["derive"] }
 
 [target.'cfg(windows)'.dependencies]
-winreg = "0.6.2"
+winreg = "0.10.1"
+
+[build-dependencies]
+memofs = { version = "0.2.0", path = "crates/memofs" }
+
+embed-resource = "1.6.4"
+anyhow = "1.0.44"
+bincode = "1.3.3"
+fs-err = "2.6.0"
+maplit = "1.0.2"
 
 [dev-dependencies]
-rojo-insta-ext = { path = "rojo-insta-ext" }
+rojo-insta-ext = { path = "crates/rojo-insta-ext" }
 
-criterion = "0.3"
-insta = { version = "0.12.0", features = ["redactions"] }
-lazy_static = "1.2"
-paste = "0.1"
-pretty_assertions = "0.6.1"
-serde_yaml = "0.8.9"
-tempfile = "3.0"
-tokio = "0.1.22"
-walkdir = "2.1"
+criterion = "0.3.5"
+insta = { version = "1.8.0", features = ["redactions"] }
+paste = "1.0.5"
+pretty_assertions = "1.2.1"
+serde_yaml = "0.8.21"
+tempfile = "3.2.0"
+walkdir = "2.3.2"

README.md

@@ -1,21 +1,13 @@
 <div align="center">
-    <a href="https://rojo.space">
-        <img src="assets/logo-512.png" alt="Rojo" height="217" />
-    </a>
+    <a href="https://rojo.space"><img src="assets/logo-512.png" alt="Rojo" height="217" /></a>
 </div>
 
 <div>&nbsp;</div>
 
 <div align="center">
-    <a href="https://github.com/rojo-rbx/rojo/actions">
-        <img src="https://github.com/rojo-rbx/rojo/workflows/CI/badge.svg" alt="Actions status" />
-    </a>
-    <a href="https://crates.io/crates/rojo">
-        <img src="https://img.shields.io/crates/v/rojo.svg?label=latest%20release" alt="Latest server version" />
-    </a>
-    <a href="https://rojo.space/docs/0.5.x">
-        <img src="https://img.shields.io/badge/docs-0.5.x-brightgreen.svg" alt="Rojo 0.5.x Documentation" />
-    </a>
+    <a href="https://github.com/rojo-rbx/rojo/actions"><img src="https://github.com/rojo-rbx/rojo/workflows/CI/badge.svg" alt="Actions status" /></a>
+    <a href="https://crates.io/crates/rojo"><img src="https://img.shields.io/crates/v/rojo.svg?label=latest%20release" alt="Latest server version" /></a>
+    <a href="https://rojo.space/docs"><img src="https://img.shields.io/badge/docs-website-brightgreen.svg" alt="Rojo Documentation" /></a>
 </div>
 
 <hr />
@@ -34,22 +26,21 @@ Rojo enables:
 * Streaming `rbxmx` and `rbxm` models into your game in real time
 * Packaging and deploying your project to Roblox.com from the command line
 
-Soon, Rojo will be able to:
+In the future, Rojo will be able to:
 
-* Automatically convert your existing game to work with Rojo
 * Sync instances from Roblox Studio to the filesystem
-* Automatically manage your assets on Roblox.com, like images and sounds
+* Automatically convert your existing game to work with Rojo
 * Import custom instances like MoonScript code
 
 ## [Documentation](https://rojo.space/docs)
-If you find any mistakes, feel free to make changes in the [docs](https://github.com/rojo-rbx/rojo/tree/master/docs) folder of this repository and submit a pull request!
+Documentation is hosted in the [rojo.space repository](https://github.com/rojo-rbx/rojo.space).
 
 ## Contributing
 Check out our [contribution guide](CONTRIBUTING.md) for detailed instructions for helping work on Rojo!
 
 Pull requests are welcome!
 
-Rojo supports Rust 1.36.0 and newer. The minimum supported version of Rust is based on the latest versions of the dependencies that Rojo has.
+Rojo supports Rust 1.46.0 and newer. The minimum supported version of Rust is based on the latest versions of the dependencies that Rojo has.
 
 ## License
 Rojo is available under the terms of the Mozilla Public License, Version 2.0. See [LICENSE.txt](LICENSE.txt) for details.

assets/default-model-project/README.md

@@ -0,0 +1,11 @@
+# {project_name}
+Generated by [Rojo](https://github.com/rojo-rbx/rojo) {rojo_version}.
+
+## Getting Started
+To build this library or plugin, use:
+
+```bash
+rojo build -o "{project_name}.rbxmx"
+```
+
+For more help, check out [the Rojo documentation](https://rojo.space/docs).

assets/default-model-project/default.project.json

@@ -0,0 +1,6 @@
+{
+  "name": "{project_name}",
+  "tree": {
+    "$path": "src"
+  }
+}

assets/default-model-project/gitignore.txt

@@ -0,0 +1,3 @@
+# Roblox Studio lock files
+/*.rbxlx.lock
+/*.rbxl.lock

assets/default-model-project/src-init.lua

@@ -0,0 +1,5 @@
+return {
+	hello = function()
+		print("Hello world, from {project_name}!")
+	end,
+}

assets/default-place-project/README.md

@@ -0,0 +1,17 @@
+# {project_name}
+Generated by [Rojo](https://github.com/rojo-rbx/rojo) {rojo_version}.
+
+## Getting Started
+To build the place from scratch, use:
+
+```bash
+rojo build -o "{project_name}.rbxlx"
+```
+
+Next, open `{project_name}.rbxlx` in Roblox Studio and start the Rojo server:
+
+```bash
+rojo serve
+```
+
+For more help, check out [the Rojo documentation](https://rojo.space/docs).

assets/default-place-project/default.project.json

@@ -1,41 +1,29 @@
 {
-  "name": "[placeholder]",
+  "name": "{project_name}",
   "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": {
-        "$path": "src"
+      "Common": {
+        "$path": "src/shared"
       }
     },
-    "SoundService": {
-      "$className": "SoundService",
-      "$properties": {
-        "RespectFilteringEnabled": true
+
+    "ServerScriptService": {
+      "Server": {
+        "$path": "src/server"
       }
     },
+
+    "StarterPlayer": {
+      "StarterPlayerScripts": {
+        "Client": {
+          "$path": "src/client"
+        }
+      }
+    },
+
     "Workspace": {
-      "$className": "Workspace",
       "$properties": {
         "FilteringEnabled": true
       },
@@ -61,6 +49,24 @@
           ]
         }
       }
+    },
+    "Lighting": {
+      "$properties": {
+        "Ambient": [
+          0,
+          0,
+          0
+        ],
+        "Brightness": 2,
+        "GlobalShadows": true,
+        "Outlines": false,
+        "Technology": "Voxel"
+      }
+    },
+    "SoundService": {
+      "$properties": {
+        "RespectFilteringEnabled": true
+      }
     }
   }
 }

assets/default-place-project/gitignore.txt

@@ -0,0 +1,6 @@
+# Project place file
+/{project_name}.rbxlx
+
+# Roblox Studio lock files
+/*.rbxlx.lock
+/*.rbxl.lock

assets/images/back.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <path d="M20,11L20,13L8,13L13.5,18.5L12.08,19.92L4.16,12L12.08,4.08L13.5,5.5L8,11L20,11Z" style="fill:white;fill-rule:nonzero;"/>
+</svg>

assets/images/checkbox-off.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
+    <g transform="matrix(1,0,0,1,-54,-1)">
+        <g id="Artboard3" transform="matrix(1.77778,0,0,1.45455,-42,-0.454545)">
+            <rect x="54" y="1" width="9" height="11" style="fill:none;"/>
+            <g transform="matrix(3.375,0,0,4.125,-3654,-2753.12)">
+                <path d="M1099,670L1101,668" style="fill:none;stroke:white;stroke-width:0.5px;"/>
+                <g transform="matrix(-1,0,0,1,2200,0)">
+                    <path d="M1099,670L1101,668" style="fill:none;stroke:white;stroke-width:0.5px;"/>
+                </g>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/checkbox-on.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 16 16" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
+    <g transform="matrix(1,0,0,1,-32,0)">
+        <g id="Artboard2" transform="matrix(0.8,0,0,0.941176,6.4,0)">
+            <rect x="32" y="0" width="20" height="17" style="fill:none;"/>
+            <g transform="matrix(5,0,0,4.25,-5470.5,-2371.5)">
+                <path d="M1101,560L1102,561L1104,559" style="fill:none;stroke:white;stroke-width:0.75px;"/>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/close.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;">
+    <g id="Artboard1" transform="matrix(0.0666667,0,0,0.097561,-31,-18.6341)">
+        <rect x="465" y="191" width="360" height="246" style="fill:none;"/>
+        <g transform="matrix(134.328,0,0,102.5,-74228.5,-15214.7)">
+            <g transform="matrix(1.11667,0,0,1,-57.3333,0)">
+                <path d="M551,152L550,151" style="fill:none;stroke:white;stroke-width:0.3px;"/>
+            </g>
+            <g transform="matrix(1.11667,0,0,1,-57.3333,0)">
+                <path d="M550,152L551,151" style="fill:none;stroke:white;stroke-width:0.3px;"/>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/header-logo.svg

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 60 27" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g id="Artboard1" transform="matrix(0.952381,0,0,0.710526,-228.571,-156.316)">
+        <rect x="240" y="220" width="63" height="38" style="fill:none;"/>
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+                <path d="M0.631,-0.705C0.646,-0.705 0.661,-0.696 0.673,-0.678L0.646,-0.678C0.62,-0.678 0.587,-0.67 0.546,-0.653L0.546,-0.65L0.549,-0.65C0.607,-0.654 0.649,-0.656 0.677,-0.656L0.683,-0.656L0.683,-0.65L0.67,-0.65C0.668,-0.65 0.667,-0.651 0.667,-0.653L0.503,-0.629C0.503,-0.627 0.493,-0.624 0.473,-0.62L0.473,-0.614L0.519,-0.623L0.521,-0.623L0.521,-0.617C0.386,-0.581 0.318,-0.555 0.318,-0.538C0.252,-0.483 0.204,-0.431 0.175,-0.383C0.131,-0.304 0.108,-0.243 0.108,-0.201C0.108,-0.157 0.131,-0.125 0.175,-0.104C0.183,-0.102 0.19,-0.101 0.196,-0.101C0.286,-0.136 0.353,-0.196 0.397,-0.28C0.409,-0.318 0.419,-0.363 0.427,-0.417L0.434,-0.417L0.427,-0.359C0.433,-0.359 0.439,-0.374 0.443,-0.404C0.441,-0.412 0.439,-0.42 0.439,-0.429L0.439,-0.438L0.446,-0.438C0.448,-0.407 0.449,-0.386 0.449,-0.374C0.449,-0.358 0.444,-0.331 0.434,-0.292C0.445,-0.302 0.458,-0.335 0.473,-0.392C0.48,-0.447 0.486,-0.474 0.491,-0.474C0.491,-0.472 0.492,-0.471 0.494,-0.471C0.492,-0.469 0.49,-0.457 0.488,-0.435L0.488,-0.432L0.491,-0.432C0.499,-0.454 0.504,-0.48 0.506,-0.508C0.502,-0.516 0.5,-0.522 0.5,-0.526L0.506,-0.529C0.512,-0.529 0.518,-0.513 0.525,-0.48C0.525,-0.4 0.491,-0.297 0.424,-0.17C0.372,-0.093 0.305,-0.042 0.224,-0.019C0.188,-0.006 0.154,-0 0.121,-0C0.04,-0.022 -0.001,-0.083 -0.001,-0.183C-0.001,-0.296 0.045,-0.398 0.136,-0.489C0.165,-0.522 0.227,-0.568 0.321,-0.629C0.425,-0.68 0.529,-0.705 0.631,-0.705ZM0.482,-0.656L0.482,-0.653C0.499,-0.653 0.508,-0.652 0.509,-0.65C0.526,-0.659 0.536,-0.663 0.54,-0.663L0.54,-0.668L0.482,-0.656ZM0.099,-0.417C0.144,-0.458 0.179,-0.494 0.206,-0.523C0.23,-0.538 0.242,-0.55 0.242,-0.559C0.201,-0.535 0.156,-0.493 0.108,-0.432C0.102,-0.427 0.099,-0.422 0.099,-0.417ZM0.105,-0.261C0.108,-0.261 0.118,-0.284 0.136,-0.328C0.158,-0.378 0.203,-0.439 0.272,-0.511L0.272,-0.514C0.204,-0.463 0.167,-0.422 0.16,-0.392C0.142,-0.371 0.124,-0.328 0.105,-0.261ZM0.069,-0.334L0.069,-0.332L0.072,-0.332C0.116,-0.393 0.139,-0.429 0.139,-0.438C0.11,-0.413 0.086,-0.378 0.069,-0.334ZM0.467,-0.31L0.467,-0.307L0.47,-0.307C0.492,-0.371 0.503,-0.413 0.503,-0.432C0.49,-0.409 0.478,-0.369 0.467,-0.31ZM0.087,-0.404L0.087,-0.401C0.091,-0.401 0.093,-0.403 0.093,-0.407L0.093,-0.41C0.089,-0.41 0.087,-0.408 0.087,-0.404ZM0.063,-0.368C0.032,-0.297 0.017,-0.245 0.017,-0.213C0.021,-0.148 0.028,-0.107 0.039,-0.088L0.042,-0.088L0.042,-0.094C0.035,-0.107 0.032,-0.129 0.032,-0.158C0.032,-0.191 0.035,-0.227 0.042,-0.268L0.039,-0.273C0.045,-0.3 0.054,-0.331 0.066,-0.365L0.066,-0.368L0.063,-0.368ZM0.096,-0.24L0.096,-0.237C0.1,-0.237 0.103,-0.239 0.103,-0.243L0.103,-0.246C0.098,-0.245 0.096,-0.243 0.096,-0.24ZM0.397,-0.222L0.397,-0.219L0.4,-0.219C0.408,-0.232 0.412,-0.241 0.412,-0.243C0.407,-0.242 0.402,-0.235 0.397,-0.222ZM0.066,-0.24C0.06,-0.222 0.055,-0.202 0.051,-0.179C0.055,-0.138 0.061,-0.108 0.069,-0.088L0.072,-0.088L0.072,-0.094C0.066,-0.121 0.063,-0.139 0.063,-0.146L0.066,-0.152C0.064,-0.155 0.063,-0.16 0.063,-0.164C0.063,-0.169 0.064,-0.173 0.066,-0.176C0.064,-0.18 0.063,-0.183 0.063,-0.186C0.067,-0.218 0.069,-0.235 0.069,-0.237L0.069,-0.24L0.066,-0.24ZM0.294,-0.125L0.294,-0.122C0.3,-0.122 0.322,-0.143 0.357,-0.186L0.357,-0.188L0.354,-0.188C0.314,-0.151 0.294,-0.129 0.294,-0.125ZM0.379,-0.149C0.379,-0.146 0.36,-0.126 0.321,-0.088L0.324,-0.088C0.351,-0.112 0.37,-0.132 0.382,-0.146L0.385,-0.146L0.385,-0.149L0.379,-0.149ZM0.09,-0.104L0.09,-0.101C0.094,-0.08 0.104,-0.07 0.121,-0.07L0.13,-0.07L0.13,-0.073L0.09,-0.104ZM0.151,-0.055L0.188,-0.055L0.203,-0.058L0.203,-0.061L0.157,-0.061C0.153,-0.06 0.151,-0.058 0.151,-0.055ZM0.096,-0.058L0.096,-0.055C0.104,-0.045 0.113,-0.04 0.124,-0.04L0.13,-0.04L0.13,-0.042C0.127,-0.042 0.116,-0.048 0.096,-0.058Z" style="fill:white;fill-rule:nonzero;"/>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/scrollbar-bottom.svg

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 9 7" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g transform="matrix(1,0,0,1,0,-10)">
+        <g id="Bottom" transform="matrix(0.243243,0,0,0.179487,-59.1081,-30.2051)">
+            <rect x="243" y="224" width="37" height="39" style="fill:none;"/>
+            <clipPath id="_clip1">
+                <rect x="243" y="224" width="37" height="39"/>
+            </clipPath>
+            <g clip-path="url(#_clip1)">
+                <g transform="matrix(-4.11111,6.82303e-16,-3.59619e-16,-3.97959,280,259.816)">
+                    <path d="M7,5.5C7,3.568 5.88,2 4.5,2C3.12,2 2,3.568 2,5.5L2,9L7,9L7,5.5Z" style="fill:white;"/>
+                </g>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/scrollbar-middle.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 9 1" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g transform="matrix(1,0,0,1,0,-8)">
+        <g id="Middle" transform="matrix(1,0,0,0.111111,0,7.11111)">
+            <rect x="0" y="8" width="9" height="9" style="fill:none;"/>
+            <g transform="matrix(1,0,0,9,0,-64)">
+                <rect x="2" y="8" width="5" height="1" style="fill:white;"/>
+            </g>
+        </g>
+    </g>
+</svg>

assets/images/scrollbar-top.svg

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 9 7" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g id="Top" transform="matrix(0.243243,0,0,0.179487,-59.1081,-40.2051)">
+        <rect x="243" y="224" width="37" height="39" style="fill:none;"/>
+        <g transform="matrix(4.11111,0,0,3.97959,243,227.184)">
+            <path d="M7,5.5C7,3.568 5.88,2 4.5,2C3.12,2 2,3.568 2,5.5L2,9L7,9L7,5.5Z" style="fill:white;"/>
+        </g>
+    </g>
+</svg>

assets/images/spinner-background.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g id="Artboard1" transform="matrix(0.5,0,0,0.5,0,0)">
+        <rect x="0" y="0" width="48" height="48" style="fill:none;"/>
+        <path d="M24,0C37.246,0 48,10.754 48,24C48,37.246 37.246,48 24,48C10.754,48 0,37.246 0,24C0,10.754 10.754,0 24,0ZM24,8.4C32.61,8.4 39.6,15.39 39.6,24C39.6,32.61 32.61,39.6 24,39.6C15.39,39.6 8.4,32.61 8.4,24C8.4,15.39 15.39,8.4 24,8.4Z" style="fill:white;"/>
+    </g>
+</svg>

assets/images/spinner-foreground.svg

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="100%" height="100%" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
+    <g id="Artboard1" transform="matrix(0.5,0,0,0.5,0,0)">
+        <rect x="0" y="0" width="48" height="48" style="fill:none;"/>
+        <path d="M48,24C48,10.745 37.255,0 24,0L24,8.4C32.616,8.4 39.6,15.384 39.6,24L48,24Z" style="fill:white;"/>
+    </g>
+</svg>

benches/build.rs

@@ -35,6 +35,7 @@ fn place_setup<P: AsRef<Path>>(input_path: P) -> (TempDir, BuildCommand) {
 
     let options = BuildCommand {
         project: input,
+        watch: false,
         output,
     };
 

bin/dev-plugin.sh

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-set -e
-
-watchexec -c -w plugin "sh -c './bin/install-dev-plugin.sh'"

bin/install-dev-plugin.sh

@@ -1,13 +0,0 @@
-#!/bin/sh
-
-set -e
-
-DIR="$( mktemp -d )"
-PLUGIN_FILE="$DIR/Rojo.rbxm"
-TESTEZ_FILE="$DIR/TestEZ.rbxm"
-
-rojo build plugin -o "$PLUGIN_FILE"
-rojo build plugin/testez.project.json -o "$TESTEZ_FILE"
-remodel bin/mark-plugin-as-dev.lua "$PLUGIN_FILE" "$TESTEZ_FILE" 2>/dev/null
-
-cp "$PLUGIN_FILE" "$LOCALAPPDATA/Roblox/Plugins/Rojo.rbxm"

bin/install-release-plugin.sh

@@ -1,5 +0,0 @@
-#!/bin/sh
-
-set -e
-
-rojo build plugin -o "$LOCALAPPDATA/Roblox/Plugins/Rojo.rbxm"

bin/mark-plugin-as-dev.lua

@@ -1,12 +0,0 @@
-local pluginPath, testezPath = ...
-
-local plugin = remodel.readModelFile(pluginPath)[1]
-local testez = remodel.readModelFile(testezPath)[1]
-
-local marker = Instance.new("Folder")
-marker.Name = "ROJO_DEV_BUILD"
-marker.Parent = plugin
-
-testez.Parent = plugin
-
-remodel.writeModelFile(plugin, pluginPath)

bin/put-plugin-in-test-place.lua

@@ -1,8 +0,0 @@
-local pluginPath, placePath = ...
-
-local plugin = remodel.readModelFile(pluginPath)[1]
-local place = remodel.readPlaceFile(placePath)
-
-plugin.Parent = place:GetService("ReplicatedStorage")
-
-remodel.writePlaceFile(place, placePath)

bin/run-all-tests.sh

@@ -1,6 +0,0 @@
-#!/bin/sh
-
-set -e
-
-./bin/run-cli-tests.sh
-./bin/run-plugin-tests.sh

bin/run-cli-tests.sh

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-set -e
-
-cargo test --all --locked
-cargo fmt -- --check
-
-touch src/lib.rs # Nudge Rust source to make Clippy actually check things
-cargo clippy

bin/run-plugin-tests.sh

@@ -1,16 +0,0 @@
-#!/bin/sh
-
-set -e
-
-DIR="$( mktemp -d )"
-PLUGIN_FILE="$DIR/Rojo.rbxmx"
-PLACE_FILE="$DIR/RojoTestPlace.rbxlx"
-
-rojo build plugin -o "$PLUGIN_FILE"
-rojo build plugin/place.project.json -o "$PLACE_FILE"
-
-remodel bin/put-plugin-in-test-place.lua "$PLUGIN_FILE" "$PLACE_FILE"
-
-run-in-roblox -s plugin/testBootstrap.server.lua "$PLACE_FILE"
-
-luacheck plugin/src plugin/log plugin/http

build.rs

@@ -0,0 +1,81 @@
+use std::{
+    env, io,
+    path::{Path, PathBuf},
+};
+
+use fs_err as fs;
+use fs_err::File;
+use maplit::hashmap;
+use memofs::VfsSnapshot;
+
+fn snapshot_from_fs_path(path: &Path) -> io::Result<VfsSnapshot> {
+    println!("cargo:rerun-if-changed={}", path.display());
+
+    if path.is_dir() {
+        let mut children = Vec::new();
+
+        for entry in fs::read_dir(path)? {
+            let entry = entry?;
+
+            let file_name = entry.file_name().to_str().unwrap().to_owned();
+
+            // We can skip any TestEZ test files since they aren't necessary for
+            // the plugin to run.
+            if file_name.ends_with(".spec.lua") {
+                continue;
+            }
+
+            let child_snapshot = snapshot_from_fs_path(&entry.path())?;
+            children.push((file_name, child_snapshot));
+        }
+
+        Ok(VfsSnapshot::dir(children))
+    } else {
+        let content = fs::read_to_string(path)?;
+
+        Ok(VfsSnapshot::file(content))
+    }
+}
+
+fn main() -> Result<(), anyhow::Error> {
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+
+    let root_dir = env::var_os("CARGO_MANIFEST_DIR").unwrap();
+    let plugin_root = PathBuf::from(root_dir).join("plugin");
+
+    let plugin_modules = plugin_root.join("modules");
+
+    let snapshot = VfsSnapshot::dir(hashmap! {
+        "default.project.json" => snapshot_from_fs_path(&plugin_root.join("default.project.json"))?,
+        "fmt" => snapshot_from_fs_path(&plugin_root.join("fmt"))?,
+        "http" => snapshot_from_fs_path(&plugin_root.join("http"))?,
+        "log" => snapshot_from_fs_path(&plugin_root.join("log"))?,
+        "rbx_dom_lua" => snapshot_from_fs_path(&plugin_root.join("rbx_dom_lua"))?,
+        "src" => snapshot_from_fs_path(&plugin_root.join("src"))?,
+        "modules" => VfsSnapshot::dir(hashmap! {
+            "roact" => VfsSnapshot::dir(hashmap! {
+                "src" => snapshot_from_fs_path(&plugin_modules.join("roact").join("src"))?
+            }),
+            "promise" => VfsSnapshot::dir(hashmap! {
+                "lib" => snapshot_from_fs_path(&plugin_modules.join("promise").join("lib"))?
+            }),
+            "t" => VfsSnapshot::dir(hashmap! {
+                "lib" => snapshot_from_fs_path(&plugin_modules.join("t").join("lib"))?
+            }),
+            "flipper" => VfsSnapshot::dir(hashmap! {
+                "src" => snapshot_from_fs_path(&plugin_modules.join("flipper").join("src"))?
+            }),
+        }),
+    });
+
+    let out_path = Path::new(&out_dir).join("plugin.bincode");
+    let out_file = File::create(&out_path)?;
+
+    bincode::serialize_into(out_file, &snapshot)?;
+
+    println!("cargo:rerun-if-changed=build/windows/rojo-manifest.rc");
+    println!("cargo:rerun-if-changed=build/windows/rojo.manifest");
+    embed_resource::compile("build/windows/rojo-manifest.rc");
+
+    Ok(())
+}

build/windows/rojo-manifest.rc

@@ -0,0 +1,2 @@
+#define RT_MANIFEST 24
+1 RT_MANIFEST "rojo.manifest"

build/windows/rojo.manifest

@@ -0,0 +1,8 @@
+<?xml version='1.0' encoding='utf-8' standalone='yes'?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings xmlns:ws2="http://schemas.microsoft.com/SMI/2016/WindowsSettings">
+      <ws2:longPathAware>true</ws2:longPathAware>
+    </windowsSettings>
+  </application>
+</assembly>

clibrojo/Cargo.toml

@@ -1,13 +0,0 @@
-[package]
-name = "clibrojo"
-version = "0.1.0"
-authors = ["Lucien Greathouse <me@lpghatguy.com>"]
-edition = "2018"
-
-[lib]
-crate-type = ["cdylib"]
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-rojo = { path = ".." }

clibrojo/README.md

@@ -1,19 +0,0 @@
-# Rojo as a C Library
-This is an experiment to expose a C API for Rojo that would be suitable for embedding it into an existing C/C++ application.
-
-I'm hoping to expand it to drop the HTTP layer and communicate through a channel, which could make it feasible to embed into an existing Roblox IDE with minimal changes or additional code.
-
-## Building
-This project is currently not built by default and could break/disappear at any time.
-
-```bash
-cargo build -p clibrojo
-```
-
-On Windows, Cargo will generate a `clibrojo.dll` and associated `.lib` file. Link these into your project.
-
-To generate the associated C header file to include in the project, use [cbindgen](https://github.com/eqrion/cbindgen):
-
-```bash
-cbindgen --crate clibrojo --output include/rojo.h
-```

clibrojo/src/lib.rs

@@ -1,14 +0,0 @@
-use std::{ffi::CStr, os::raw::c_char, path::PathBuf};
-
-use librojo::commands::{serve, ServeOptions};
-
-#[no_mangle]
-pub extern "C" fn rojo_serve(path: *const c_char) {
-    let path = unsafe { PathBuf::from(CStr::from_ptr(path).to_str().unwrap()) };
-
-    serve(&ServeOptions {
-        fuzzy_project_path: path,
-        port: None,
-    })
-    .unwrap();
-}

crates/memofs/CHANGELOG.md

@@ -0,0 +1,18 @@
+# memofs Changelog
+
+## Unreleased Changes
+
+## 0.2.0 (2021-08-23)
+* Updated to `crossbeam-channel` 0.5.1.
+
+## 0.1.3 (2020-11-19)
+* Added `set_watch_enabled` to `Vfs` and `VfsLock` to allow turning off file watching.
+
+## 0.1.2 (2020-03-29)
+* `VfsSnapshot` now implements Serde's `Serialize` and `Deserialize` traits.
+
+## 0.1.1 (2020-03-18)
+* Improved error messages using the [fs-err](https://crates.io/crates/fs-err) crate.
+
+## 0.1.0 (2020-03-10)
+* Initial release

crates/memofs/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "memofs"
+description = "Virtual filesystem with configurable backends."
+version = "0.2.0"
+authors = ["Lucien Greathouse <me@lpghatguy.com>"]
+edition = "2018"
+readme = "README.md"
+license = "MIT"
+homepage = "https://github.com/rojo-rbx/rojo/tree/master/memofs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+crossbeam-channel = "0.5.1"
+fs-err = "2.3.0"
+notify = "4.0.15"
+serde = { version = "1.0", features = ["derive"] }

crates/memofs/LICENSE.txt

@@ -0,0 +1,7 @@
+Copyright 2020 The Rojo Developers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

crates/memofs/README.md

@@ -0,0 +1,22 @@
+# memofs
+[![Crates.io](https://img.shields.io/crates/v/memofs.svg)](https://crates.io/crates/memofs)
+
+Implementation of a virtual filesystem with a configurable backend and file
+watching.
+
+memofs is currently an unstable minimum viable library. Its primary consumer is
+[Rojo](https://github.com/rojo-rbx/rojo), a build system for Roblox.
+
+### Current Features
+* API similar to `std::fs`
+* Configurable backends
+    * `StdBackend`, which uses `std::fs` and the `notify` crate
+    * `NoopBackend`, which always throws errors
+    * `InMemoryFs`, a simple in-memory filesystem useful for testing
+
+### Future Features
+* Hash-based hierarchical memoization keys (hence the name)
+* Configurable caching (write-through, write-around, write-back)
+
+## License
+memofs is available under the terms of the MIT license. See [LICENSE.txt](LICENSE.txt) or <https://opensource.org/licenses/MIT> for more details.

crates/memofs/README.tpl

@@ -0,0 +1,7 @@
+# {{crate}}
+[![Crates.io](https://img.shields.io/crates/v/memofs.svg)](https://crates.io/crates/memofs)
+
+{{readme}}
+
+## License
+memofs is available under the terms of the MIT license. See [LICENSE.txt](LICENSE.txt) or <https://opensource.org/licenses/MIT> for more details.

crates/memofs/src/in_memory_fs.rs

@@ -0,0 +1,249 @@
+use std::collections::{BTreeSet, HashMap, VecDeque};
+use std::io;
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Mutex};
+
+use crossbeam_channel::{Receiver, Sender};
+
+use crate::{DirEntry, Metadata, ReadDir, VfsBackend, VfsEvent, VfsSnapshot};
+
+/// In-memory filesystem that can be used as a VFS backend.
+///
+/// Internally reference counted to enable giving a copy to
+/// [`Vfs`](struct.Vfs.html) and keeping the original to mutate the filesystem's
+/// state with.
+#[derive(Debug, Clone)]
+pub struct InMemoryFs {
+    inner: Arc<Mutex<InMemoryFsInner>>,
+}
+
+impl InMemoryFs {
+    /// Create a new empty `InMemoryFs`.
+    pub fn new() -> Self {
+        Self {
+            inner: Arc::new(Mutex::new(InMemoryFsInner::new())),
+        }
+    }
+
+    /// Load a [`VfsSnapshot`](enum.VfsSnapshot.html) into a subtree of the
+    /// in-memory filesystem.
+    ///
+    /// This function will return an error if the operations required to apply
+    /// the snapshot result in errors, like trying to create a file inside a
+    /// file.
+    pub fn load_snapshot<P: Into<PathBuf>>(
+        &mut self,
+        path: P,
+        snapshot: VfsSnapshot,
+    ) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+        inner.load_snapshot(path.into(), snapshot)
+    }
+
+    /// Raises a filesystem change event.
+    ///
+    /// If this `InMemoryFs` is being used as the backend of a
+    /// [`Vfs`](struct.Vfs.html), then any listeners be notified of this event.
+    pub fn raise_event(&mut self, event: VfsEvent) {
+        let inner = self.inner.lock().unwrap();
+        inner.event_sender.send(event).unwrap();
+    }
+}
+
+#[derive(Debug)]
+struct InMemoryFsInner {
+    entries: HashMap<PathBuf, Entry>,
+    orphans: BTreeSet<PathBuf>,
+
+    event_receiver: Receiver<VfsEvent>,
+    event_sender: Sender<VfsEvent>,
+}
+
+impl InMemoryFsInner {
+    fn new() -> Self {
+        let (event_sender, event_receiver) = crossbeam_channel::unbounded();
+
+        Self {
+            entries: HashMap::new(),
+            orphans: BTreeSet::new(),
+            event_receiver,
+            event_sender,
+        }
+    }
+
+    fn load_snapshot(&mut self, path: PathBuf, snapshot: VfsSnapshot) -> io::Result<()> {
+        if let Some(parent_path) = path.parent() {
+            if let Some(parent_entry) = self.entries.get_mut(parent_path) {
+                if let Entry::Dir { children } = parent_entry {
+                    children.insert(path.clone());
+                } else {
+                    return must_be_dir(parent_path);
+                }
+            } else {
+                self.orphans.insert(path.clone());
+            }
+        } else {
+            self.orphans.insert(path.clone());
+        }
+
+        match snapshot {
+            VfsSnapshot::File { contents } => {
+                self.entries.insert(path, Entry::File { contents });
+            }
+            VfsSnapshot::Dir { children } => {
+                self.entries.insert(
+                    path.clone(),
+                    Entry::Dir {
+                        children: BTreeSet::new(),
+                    },
+                );
+
+                for (child_name, child) in children {
+                    let full_path = path.join(child_name);
+                    self.load_snapshot(full_path, child)?;
+                }
+            }
+        }
+
+        Ok(())
+    }
+
+    fn remove(&mut self, root_path: PathBuf) {
+        self.orphans.remove(&root_path);
+
+        let mut to_remove = VecDeque::new();
+        to_remove.push_back(root_path);
+
+        while let Some(path) = to_remove.pop_front() {
+            if let Some(Entry::Dir { children }) = self.entries.remove(&path) {
+                to_remove.extend(children);
+            }
+        }
+    }
+}
+
+#[derive(Debug)]
+enum Entry {
+    File { contents: Vec<u8> },
+
+    Dir { children: BTreeSet<PathBuf> },
+}
+
+impl VfsBackend for InMemoryFs {
+    fn read(&mut self, path: &Path) -> io::Result<Vec<u8>> {
+        let inner = self.inner.lock().unwrap();
+
+        match inner.entries.get(path) {
+            Some(Entry::File { contents }) => Ok(contents.clone()),
+            Some(Entry::Dir { .. }) => must_be_file(path),
+            None => not_found(path),
+        }
+    }
+
+    fn write(&mut self, path: &Path, data: &[u8]) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+
+        inner.load_snapshot(
+            path.to_path_buf(),
+            VfsSnapshot::File {
+                contents: data.to_owned(),
+            },
+        )
+    }
+
+    fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir> {
+        let inner = self.inner.lock().unwrap();
+
+        match inner.entries.get(path) {
+            Some(Entry::Dir { children }) => {
+                let iter = children
+                    .clone()
+                    .into_iter()
+                    .map(|path| Ok(DirEntry { path }));
+
+                Ok(ReadDir {
+                    inner: Box::new(iter),
+                })
+            }
+            Some(Entry::File { .. }) => must_be_dir(path),
+            None => not_found(path),
+        }
+    }
+
+    fn remove_file(&mut self, path: &Path) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+
+        match inner.entries.get(path) {
+            Some(Entry::File { .. }) => {
+                inner.remove(path.to_owned());
+                Ok(())
+            }
+            Some(Entry::Dir { .. }) => must_be_file(path),
+            None => not_found(path),
+        }
+    }
+
+    fn remove_dir_all(&mut self, path: &Path) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+
+        match inner.entries.get(path) {
+            Some(Entry::Dir { .. }) => {
+                inner.remove(path.to_owned());
+                Ok(())
+            }
+            Some(Entry::File { .. }) => must_be_dir(path),
+            None => not_found(path),
+        }
+    }
+
+    fn metadata(&mut self, path: &Path) -> io::Result<Metadata> {
+        let inner = self.inner.lock().unwrap();
+
+        match inner.entries.get(path) {
+            Some(Entry::File { .. }) => Ok(Metadata { is_file: true }),
+            Some(Entry::Dir { .. }) => Ok(Metadata { is_file: false }),
+            None => not_found(path),
+        }
+    }
+
+    fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        let inner = self.inner.lock().unwrap();
+
+        inner.event_receiver.clone()
+    }
+
+    fn watch(&mut self, _path: &Path) -> io::Result<()> {
+        Ok(())
+    }
+
+    fn unwatch(&mut self, _path: &Path) -> io::Result<()> {
+        Ok(())
+    }
+}
+
+fn must_be_file<T>(path: &Path) -> io::Result<T> {
+    Err(io::Error::new(
+        io::ErrorKind::Other,
+        format!(
+            "path {} was a directory, but must be a file",
+            path.display()
+        ),
+    ))
+}
+
+fn must_be_dir<T>(path: &Path) -> io::Result<T> {
+    Err(io::Error::new(
+        io::ErrorKind::Other,
+        format!(
+            "path {} was a file, but must be a directory",
+            path.display()
+        ),
+    ))
+}
+
+fn not_found<T>(path: &Path) -> io::Result<T> {
+    Err(io::Error::new(
+        io::ErrorKind::NotFound,
+        format!("path {} not found", path.display()),
+    ))
+}

crates/memofs/src/lib.rs

@@ -0,0 +1,433 @@
+/*!
+Implementation of a virtual filesystem with a configurable backend and file
+watching.
+
+memofs is currently an unstable minimum viable library. Its primary consumer is
+[Rojo](https://github.com/rojo-rbx/rojo), a build system for Roblox.
+
+## Current Features
+* API similar to `std::fs`
+* Configurable backends
+    * `StdBackend`, which uses `std::fs` and the `notify` crate
+    * `NoopBackend`, which always throws errors
+    * `InMemoryFs`, a simple in-memory filesystem useful for testing
+
+## Future Features
+* Hash-based hierarchical memoization keys (hence the name)
+* Configurable caching (write-through, write-around, write-back)
+*/
+
+mod in_memory_fs;
+mod noop_backend;
+mod snapshot;
+mod std_backend;
+
+use std::io;
+use std::path::{Path, PathBuf};
+use std::sync::{Arc, Mutex, MutexGuard};
+
+pub use in_memory_fs::InMemoryFs;
+pub use noop_backend::NoopBackend;
+pub use snapshot::VfsSnapshot;
+pub use std_backend::StdBackend;
+
+mod sealed {
+    use super::*;
+
+    /// Sealing trait for VfsBackend.
+    pub trait Sealed {}
+
+    impl Sealed for NoopBackend {}
+    impl Sealed for StdBackend {}
+    impl Sealed for InMemoryFs {}
+}
+
+/// Trait that transforms `io::Result<T>` into `io::Result<Option<T>>`.
+///
+/// `Ok(None)` takes the place of IO errors whose `io::ErrorKind` is `NotFound`.
+pub trait IoResultExt<T> {
+    fn with_not_found(self) -> io::Result<Option<T>>;
+}
+
+impl<T> IoResultExt<T> for io::Result<T> {
+    fn with_not_found(self) -> io::Result<Option<T>> {
+        match self {
+            Ok(v) => Ok(Some(v)),
+            Err(err) => {
+                if err.kind() == io::ErrorKind::NotFound {
+                    Ok(None)
+                } else {
+                    Err(err)
+                }
+            }
+        }
+    }
+}
+
+/// Backend that can be used to create a `Vfs`.
+///
+/// This trait is sealed and cannot not be implemented outside this crate.
+pub trait VfsBackend: sealed::Sealed + Send + 'static {
+    fn read(&mut self, path: &Path) -> io::Result<Vec<u8>>;
+    fn write(&mut self, path: &Path, data: &[u8]) -> io::Result<()>;
+    fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir>;
+    fn metadata(&mut self, path: &Path) -> io::Result<Metadata>;
+    fn remove_file(&mut self, path: &Path) -> io::Result<()>;
+    fn remove_dir_all(&mut self, path: &Path) -> io::Result<()>;
+
+    fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent>;
+    fn watch(&mut self, path: &Path) -> io::Result<()>;
+    fn unwatch(&mut self, path: &Path) -> io::Result<()>;
+}
+
+/// Vfs equivalent to [`std::fs::DirEntry`][std::fs::DirEntry].
+///
+/// [std::fs::DirEntry]: https://doc.rust-lang.org/stable/std/fs/struct.DirEntry.html
+pub struct DirEntry {
+    pub(crate) path: PathBuf,
+}
+
+impl DirEntry {
+    pub fn path(&self) -> &Path {
+        &self.path
+    }
+}
+
+/// Vfs equivalent to [`std::fs::ReadDir`][std::fs::ReadDir].
+///
+/// [std::fs::ReadDir]: https://doc.rust-lang.org/stable/std/fs/struct.ReadDir.html
+pub struct ReadDir {
+    pub(crate) inner: Box<dyn Iterator<Item = io::Result<DirEntry>>>,
+}
+
+impl Iterator for ReadDir {
+    type Item = io::Result<DirEntry>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        self.inner.next()
+    }
+}
+
+/// Vfs equivalent to [`std::fs::Metadata`][std::fs::Metadata].
+///
+/// [std::fs::Metadata]: https://doc.rust-lang.org/stable/std/fs/struct.Metadata.html
+#[derive(Debug)]
+pub struct Metadata {
+    pub(crate) is_file: bool,
+}
+
+impl Metadata {
+    pub fn is_file(&self) -> bool {
+        self.is_file
+    }
+
+    pub fn is_dir(&self) -> bool {
+        !self.is_file
+    }
+}
+
+/// Represents an event that a filesystem can raise that might need to be
+/// handled.
+#[derive(Debug)]
+#[non_exhaustive]
+pub enum VfsEvent {
+    Create(PathBuf),
+    Write(PathBuf),
+    Remove(PathBuf),
+}
+
+/// Contains implementation details of the Vfs, wrapped by `Vfs` and `VfsLock`,
+/// the public interfaces to this type.
+struct VfsInner {
+    backend: Box<dyn VfsBackend>,
+    watch_enabled: bool,
+}
+
+impl VfsInner {
+    fn read<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Arc<Vec<u8>>> {
+        let path = path.as_ref();
+        let contents = self.backend.read(path)?;
+
+        if self.watch_enabled {
+            self.backend.watch(path)?;
+        }
+
+        Ok(Arc::new(contents))
+    }
+
+    fn write<P: AsRef<Path>, C: AsRef<[u8]>>(&mut self, path: P, contents: C) -> io::Result<()> {
+        let path = path.as_ref();
+        let contents = contents.as_ref();
+        self.backend.write(path, contents)
+    }
+
+    fn read_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<ReadDir> {
+        let path = path.as_ref();
+        let dir = self.backend.read_dir(path)?;
+
+        if self.watch_enabled {
+            self.backend.watch(path)?;
+        }
+
+        Ok(dir)
+    }
+
+    fn remove_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        let _ = self.backend.unwatch(path);
+        self.backend.remove_file(path)
+    }
+
+    fn remove_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        let _ = self.backend.unwatch(path);
+        self.backend.remove_dir_all(path)
+    }
+
+    fn metadata<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Metadata> {
+        let path = path.as_ref();
+        self.backend.metadata(path)
+    }
+
+    fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        self.backend.event_receiver()
+    }
+
+    fn commit_event(&mut self, event: &VfsEvent) -> io::Result<()> {
+        match event {
+            VfsEvent::Remove(path) => {
+                let _ = self.backend.unwatch(&path);
+            }
+            _ => {}
+        }
+
+        Ok(())
+    }
+}
+
+/// A virtual filesystem with a configurable backend.
+///
+/// All operations on the Vfs take a lock on an internal backend. For performing
+/// large batches of operations, it might be more performant to call `lock()`
+/// and use [`VfsLock`](struct.VfsLock.html) instead.
+pub struct Vfs {
+    inner: Mutex<VfsInner>,
+}
+
+impl Vfs {
+    /// Creates a new `Vfs` with the default backend, `StdBackend`.
+    pub fn new_default() -> Self {
+        Self::new(StdBackend::new())
+    }
+
+    /// Creates a new `Vfs` with the given backend.
+    pub fn new<B: VfsBackend>(backend: B) -> Self {
+        let lock = VfsInner {
+            backend: Box::new(backend),
+            watch_enabled: true,
+        };
+
+        Self {
+            inner: Mutex::new(lock),
+        }
+    }
+
+    /// Manually lock the Vfs, useful for large batches of operations.
+    pub fn lock(&self) -> VfsLock<'_> {
+        VfsLock {
+            inner: self.inner.lock().unwrap(),
+        }
+    }
+
+    /// Turns automatic file watching on or off. Enabled by default.
+    ///
+    /// Turning off file watching may be useful for single-use cases, especially
+    /// on platforms like macOS where registering file watches has significant
+    /// performance cost.
+    pub fn set_watch_enabled(&self, enabled: bool) {
+        let mut inner = self.inner.lock().unwrap();
+        inner.watch_enabled = enabled;
+    }
+
+    /// Read a file from the VFS, or the underlying backend if it isn't
+    /// resident.
+    ///
+    /// Roughly equivalent to [`std::fs::read`][std::fs::read].
+    ///
+    /// [std::fs::read]: https://doc.rust-lang.org/stable/std/fs/fn.read.html
+    #[inline]
+    pub fn read<P: AsRef<Path>>(&self, path: P) -> io::Result<Arc<Vec<u8>>> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().read(path)
+    }
+
+    /// Write a file to the VFS and the underlying backend.
+    ///
+    /// Roughly equivalent to [`std::fs::write`][std::fs::write].
+    ///
+    /// [std::fs::write]: https://doc.rust-lang.org/stable/std/fs/fn.write.html
+    #[inline]
+    pub fn write<P: AsRef<Path>, C: AsRef<[u8]>>(&self, path: P, contents: C) -> io::Result<()> {
+        let path = path.as_ref();
+        let contents = contents.as_ref();
+        self.inner.lock().unwrap().write(path, contents)
+    }
+
+    /// Read all of the children of a directory.
+    ///
+    /// Roughly equivalent to [`std::fs::read_dir`][std::fs::read_dir].
+    ///
+    /// [std::fs::read_dir]: https://doc.rust-lang.org/stable/std/fs/fn.read_dir.html
+    #[inline]
+    pub fn read_dir<P: AsRef<Path>>(&self, path: P) -> io::Result<ReadDir> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().read_dir(path)
+    }
+
+    /// Remove a file.
+    ///
+    /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
+    ///
+    /// [std::fs::remove_file]: https://doc.rust-lang.org/stable/std/fs/fn.remove_file.html
+    #[inline]
+    pub fn remove_file<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().remove_file(path)
+    }
+
+    /// Remove a directory and all of its descendants.
+    ///
+    /// Roughly equivalent to [`std::fs::remove_dir_all`][std::fs::remove_dir_all].
+    ///
+    /// [std::fs::remove_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.remove_dir_all.html
+    #[inline]
+    pub fn remove_dir_all<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().remove_dir_all(path)
+    }
+
+    /// Query metadata about the given path.
+    ///
+    /// Roughly equivalent to [`std::fs::metadata`][std::fs::metadata].
+    ///
+    /// [std::fs::metadata]: https://doc.rust-lang.org/stable/std/fs/fn.metadata.html
+    #[inline]
+    pub fn metadata<P: AsRef<Path>>(&self, path: P) -> io::Result<Metadata> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().metadata(path)
+    }
+
+    /// Retrieve a handle to the event receiver for this `Vfs`.
+    #[inline]
+    pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        self.inner.lock().unwrap().event_receiver()
+    }
+
+    /// Commit an event to this `Vfs`.
+    #[inline]
+    pub fn commit_event(&self, event: &VfsEvent) -> io::Result<()> {
+        self.inner.lock().unwrap().commit_event(event)
+    }
+}
+
+/// A locked handle to a [`Vfs`](struct.Vfs.html), created by `Vfs::lock`.
+///
+/// Implements roughly the same API as [`Vfs`](struct.Vfs.html).
+pub struct VfsLock<'a> {
+    inner: MutexGuard<'a, VfsInner>,
+}
+
+impl VfsLock<'_> {
+    /// Turns automatic file watching on or off. Enabled by default.
+    ///
+    /// Turning off file watching may be useful for single-use cases, especially
+    /// on platforms like macOS where registering file watches has significant
+    /// performance cost.
+    pub fn set_watch_enabled(&mut self, enabled: bool) {
+        self.inner.watch_enabled = enabled;
+    }
+
+    /// Read a file from the VFS, or the underlying backend if it isn't
+    /// resident.
+    ///
+    /// Roughly equivalent to [`std::fs::read`][std::fs::read].
+    ///
+    /// [std::fs::read]: https://doc.rust-lang.org/stable/std/fs/fn.read.html
+    #[inline]
+    pub fn read<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Arc<Vec<u8>>> {
+        let path = path.as_ref();
+        self.inner.read(path)
+    }
+
+    /// Write a file to the VFS and the underlying backend.
+    ///
+    /// Roughly equivalent to [`std::fs::write`][std::fs::write].
+    ///
+    /// [std::fs::write]: https://doc.rust-lang.org/stable/std/fs/fn.write.html
+    #[inline]
+    pub fn write<P: AsRef<Path>, C: AsRef<[u8]>>(
+        &mut self,
+        path: P,
+        contents: C,
+    ) -> io::Result<()> {
+        let path = path.as_ref();
+        let contents = contents.as_ref();
+        self.inner.write(path, contents)
+    }
+
+    /// Read all of the children of a directory.
+    ///
+    /// Roughly equivalent to [`std::fs::read_dir`][std::fs::read_dir].
+    ///
+    /// [std::fs::read_dir]: https://doc.rust-lang.org/stable/std/fs/fn.read_dir.html
+    #[inline]
+    pub fn read_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<ReadDir> {
+        let path = path.as_ref();
+        self.inner.read_dir(path)
+    }
+
+    /// Remove a file.
+    ///
+    /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
+    ///
+    /// [std::fs::remove_file]: https://doc.rust-lang.org/stable/std/fs/fn.remove_file.html
+    #[inline]
+    pub fn remove_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.remove_file(path)
+    }
+
+    /// Remove a directory and all of its descendants.
+    ///
+    /// Roughly equivalent to [`std::fs::remove_dir_all`][std::fs::remove_dir_all].
+    ///
+    /// [std::fs::remove_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.remove_dir_all.html
+    #[inline]
+    pub fn remove_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.remove_dir_all(path)
+    }
+
+    /// Query metadata about the given path.
+    ///
+    /// Roughly equivalent to [`std::fs::metadata`][std::fs::metadata].
+    ///
+    /// [std::fs::metadata]: https://doc.rust-lang.org/stable/std/fs/fn.metadata.html
+    #[inline]
+    pub fn metadata<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Metadata> {
+        let path = path.as_ref();
+        self.inner.metadata(path)
+    }
+
+    /// Retrieve a handle to the event receiver for this `Vfs`.
+    #[inline]
+    pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        self.inner.event_receiver()
+    }
+
+    /// Commit an event to this `Vfs`.
+    #[inline]
+    pub fn commit_event(&mut self, event: &VfsEvent) -> io::Result<()> {
+        self.inner.commit_event(event)
+    }
+}

crates/memofs/src/noop_backend.rs

@@ -0,0 +1,76 @@
+use std::io;
+use std::path::Path;
+
+use crate::{Metadata, ReadDir, VfsBackend, VfsEvent};
+
+/// `VfsBackend` that returns an error on every operation.
+#[non_exhaustive]
+pub struct NoopBackend;
+
+impl NoopBackend {
+    pub fn new() -> Self {
+        Self
+    }
+}
+
+impl VfsBackend for NoopBackend {
+    fn read(&mut self, _path: &Path) -> io::Result<Vec<u8>> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn write(&mut self, _path: &Path, _data: &[u8]) -> io::Result<()> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn read_dir(&mut self, _path: &Path) -> io::Result<ReadDir> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn remove_file(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn remove_dir_all(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn metadata(&mut self, _path: &Path) -> io::Result<Metadata> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        crossbeam_channel::never()
+    }
+
+    fn watch(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+
+    fn unwatch(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::new(
+            io::ErrorKind::Other,
+            "NoopBackend doesn't do anything",
+        ))
+    }
+}

crates/memofs/src/snapshot.rs

@@ -0,0 +1,45 @@
+use serde::{Deserialize, Serialize};
+use std::collections::BTreeMap;
+
+/// A slice of a tree of files. Can be loaded into an
+/// [`InMemoryFs`](struct.InMemoryFs.html).
+#[derive(Debug, Serialize, Deserialize)]
+#[non_exhaustive]
+pub enum VfsSnapshot {
+    File {
+        contents: Vec<u8>,
+    },
+
+    Dir {
+        children: BTreeMap<String, VfsSnapshot>,
+    },
+}
+
+impl VfsSnapshot {
+    pub fn file<C: Into<Vec<u8>>>(contents: C) -> Self {
+        Self::File {
+            contents: contents.into(),
+        }
+    }
+
+    pub fn dir<K: Into<String>, I: IntoIterator<Item = (K, VfsSnapshot)>>(children: I) -> Self {
+        Self::Dir {
+            children: children
+                .into_iter()
+                .map(|(key, value)| (key.into(), value))
+                .collect(),
+        }
+    }
+
+    pub fn empty_file() -> Self {
+        Self::File {
+            contents: Vec::new(),
+        }
+    }
+
+    pub fn empty_dir() -> Self {
+        Self::Dir {
+            children: BTreeMap::new(),
+        }
+    }
+}

crates/memofs/src/std_backend.rs

@@ -0,0 +1,110 @@
+use std::io;
+use std::path::Path;
+use std::sync::mpsc;
+use std::thread;
+use std::time::Duration;
+
+use crossbeam_channel::Receiver;
+use notify::{watcher, DebouncedEvent, RecommendedWatcher, RecursiveMode, Watcher};
+
+use crate::{DirEntry, Metadata, ReadDir, VfsBackend, VfsEvent};
+
+/// `VfsBackend` that uses `std::fs` and the `notify` crate.
+pub struct StdBackend {
+    watcher: RecommendedWatcher,
+    watcher_receiver: Receiver<VfsEvent>,
+}
+
+impl StdBackend {
+    pub fn new() -> StdBackend {
+        let (notify_tx, notify_rx) = mpsc::channel();
+        let watcher = watcher(notify_tx, Duration::from_millis(50)).unwrap();
+
+        let (tx, rx) = crossbeam_channel::unbounded();
+
+        thread::spawn(move || {
+            for event in notify_rx {
+                match event {
+                    DebouncedEvent::Create(path) => {
+                        tx.send(VfsEvent::Create(path))?;
+                    }
+                    DebouncedEvent::Write(path) => {
+                        tx.send(VfsEvent::Write(path))?;
+                    }
+                    DebouncedEvent::Remove(path) => {
+                        tx.send(VfsEvent::Remove(path))?;
+                    }
+                    DebouncedEvent::Rename(from, to) => {
+                        tx.send(VfsEvent::Remove(from))?;
+                        tx.send(VfsEvent::Create(to))?;
+                    }
+                    _ => {}
+                }
+            }
+
+            Result::<(), crossbeam_channel::SendError<VfsEvent>>::Ok(())
+        });
+
+        Self {
+            watcher,
+            watcher_receiver: rx,
+        }
+    }
+}
+
+impl VfsBackend for StdBackend {
+    fn read(&mut self, path: &Path) -> io::Result<Vec<u8>> {
+        fs_err::read(path)
+    }
+
+    fn write(&mut self, path: &Path, data: &[u8]) -> io::Result<()> {
+        fs_err::write(path, data)
+    }
+
+    fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir> {
+        let entries: Result<Vec<_>, _> = fs_err::read_dir(path)?.collect();
+        let mut entries = entries?;
+
+        entries.sort_by_cached_key(|entry| entry.file_name());
+
+        let inner = entries
+            .into_iter()
+            .map(|entry| Ok(DirEntry { path: entry.path() }));
+
+        Ok(ReadDir {
+            inner: Box::new(inner),
+        })
+    }
+
+    fn remove_file(&mut self, path: &Path) -> io::Result<()> {
+        fs_err::remove_file(path)
+    }
+
+    fn remove_dir_all(&mut self, path: &Path) -> io::Result<()> {
+        fs_err::remove_dir_all(path)
+    }
+
+    fn metadata(&mut self, path: &Path) -> io::Result<Metadata> {
+        let inner = fs_err::metadata(path)?;
+
+        Ok(Metadata {
+            is_file: inner.is_file(),
+        })
+    }
+
+    fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
+        self.watcher_receiver.clone()
+    }
+
+    fn watch(&mut self, path: &Path) -> io::Result<()> {
+        self.watcher
+            .watch(path, RecursiveMode::NonRecursive)
+            .map_err(|inner| io::Error::new(io::ErrorKind::Other, inner))
+    }
+
+    fn unwatch(&mut self, path: &Path) -> io::Result<()> {
+        self.watcher
+            .unwatch(path)
+            .map_err(|inner| io::Error::new(io::ErrorKind::Other, inner))
+    }
+}

crates/rojo-project/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "rojo-project"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.57"
+globset = { version = "0.4.8", features = ["serde1"] }
+log = "0.4.17"
+rbx_dom_weak = "2.3.0"
+rbx_reflection = "4.2.0"
+rbx_reflection_database = "0.2.4"
+serde = { version = "1.0.137", features = ["derive"] }
+serde_json = "1.0.81"

crates/rojo-project/README.md

@@ -0,0 +1,4 @@
+# rojo-project
+Project file format crate for [Rojo].
+
+[Rojo]: https://rojo.space

crates/rojo-project/src/glob.rs

@@ -1,6 +1,3 @@
-//! Wrapper around globset's Glob type that has better serialization
-//! characteristics by coupling Glob and GlobMatcher into a single type.
-
 use std::path::Path;
 
 use globset::{Glob as InnerGlob, GlobMatcher};
@@ -8,6 +5,8 @@ use serde::{de::Error as _, Deserialize, Deserializer, Serialize, Serializer};
 
 pub use globset::Error;
 
+/// Wrapper around globset's Glob type that has better serialization
+/// characteristics by coupling Glob and GlobMatcher into a single type.
 #[derive(Debug, Clone)]
 pub struct Glob {
     inner: InnerGlob,

crates/rojo-project/src/lib.rs

@@ -0,0 +1,7 @@
+pub mod glob;
+mod path_serializer;
+mod project;
+mod resolution;
+
+pub use project::{OptionalPathNode, PathNode, Project, ProjectNode};
+pub use resolution::{AmbiguousValue, UnresolvedValue};

crates/rojo-project/src/path_serializer.rs

@@ -0,0 +1,21 @@
+//! Path serializer is used to serialize absolute paths in a cross-platform way,
+//! by replacing all directory separators with /.
+
+use std::path::Path;
+
+use serde::Serializer;
+
+pub fn serialize_absolute<S, T>(path: T, serializer: S) -> Result<S::Ok, S::Error>
+where
+    S: Serializer,
+    T: AsRef<Path>,
+{
+    let as_str = path
+        .as_ref()
+        .as_os_str()
+        .to_str()
+        .expect("Invalid Unicode in file path, cannot serialize");
+    let replaced = as_str.replace("\\", "/");
+
+    serializer.serialize_str(&replaced)
+}

crates/rojo-project/src/project.rs

@@ -0,0 +1,363 @@
+use std::collections::{BTreeMap, HashMap, HashSet};
+use std::fs;
+use std::net::IpAddr;
+use std::path::{Path, PathBuf};
+
+use anyhow::Context;
+use serde::{Deserialize, Serialize};
+
+use crate::glob::Glob;
+use crate::resolution::UnresolvedValue;
+
+static PROJECT_FILENAME: &str = "default.project.json";
+
+/// Contains all of the configuration for a Rojo-managed project.
+///
+/// Rojo project files are stored in `.project.json` files.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(deny_unknown_fields, rename_all = "camelCase")]
+pub struct Project {
+    /// The name of the top-level instance described by the project.
+    pub name: String,
+
+    /// The tree of instances described by this project. Projects always
+    /// describe at least one instance.
+    pub tree: ProjectNode,
+
+    /// If specified, sets the default port that `rojo serve` should use when
+    /// using this project for live sync.
+    ///
+    /// Can be overriden with the `--port` flag.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_port: Option<u16>,
+
+    /// If specified, sets the default IP address that `rojo serve` should use
+    /// when using this project for live sync.
+    ///
+    /// Can be overridden with the `--address` flag.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_address: Option<IpAddr>,
+
+    /// If specified, contains the set of place IDs that this project is
+    /// compatible with when doing live sync.
+    ///
+    /// This setting is intended to help prevent syncing a Rojo project into the
+    /// wrong Roblox place.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub serve_place_ids: Option<HashSet<u64>>,
+
+    /// If specified, sets the current place's place ID when connecting to the
+    /// Rojo server from Roblox Studio.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub place_id: Option<u64>,
+
+    /// If specified, sets the current place's game ID when connecting to the
+    /// Rojo server from Roblox Studio.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub game_id: Option<u64>,
+
+    /// A list of globs, relative to the folder the project file is in, that
+    /// match files that should be excluded if Rojo encounters them.
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub glob_ignore_paths: Vec<Glob>,
+
+    /// The path to the file that this project came from. Relative paths in the
+    /// project should be considered relative to the parent of this field, also
+    /// given by `Project::folder_location`.
+    #[serde(skip)]
+    pub file_location: PathBuf,
+}
+
+impl Project {
+    /// Tells whether the given path describes a Rojo project.
+    pub fn is_project_file(path: &Path) -> bool {
+        path.file_name()
+            .and_then(|name| name.to_str())
+            .map(|name| name.ends_with(".project.json"))
+            .unwrap_or(false)
+    }
+
+    /// Loads a project file from a slice and a path that indicates where the
+    /// project should resolve paths relative to.
+    pub fn load_from_slice(contents: &[u8], project_file_location: &Path) -> anyhow::Result<Self> {
+        let mut project: Self = serde_json::from_slice(&contents).with_context(|| {
+            format!(
+                "Error parsing Rojo project at {}",
+                project_file_location.display()
+            )
+        })?;
+
+        project.file_location = project_file_location.to_path_buf();
+        project.check_compatibility();
+        Ok(project)
+    }
+
+    /// Fuzzy-find a Rojo project and load it.
+    pub fn load_fuzzy(fuzzy_project_location: &Path) -> anyhow::Result<Option<Self>> {
+        if let Some(project_path) = Self::locate(fuzzy_project_location) {
+            let project = Self::load_exact(&project_path)?;
+
+            Ok(Some(project))
+        } else {
+            Ok(None)
+        }
+    }
+
+    /// Gives the path that all project file paths should resolve relative to.
+    pub fn folder_location(&self) -> &Path {
+        self.file_location.parent().unwrap()
+    }
+
+    /// Attempt to locate a project represented by the given path.
+    ///
+    /// This will find a project if the path refers to a `.project.json` file,
+    /// or is a folder that contains a `default.project.json` file.
+    fn locate(path: &Path) -> Option<PathBuf> {
+        let meta = fs::metadata(path).ok()?;
+
+        if meta.is_file() {
+            if Project::is_project_file(path) {
+                Some(path.to_path_buf())
+            } else {
+                None
+            }
+        } else {
+            let child_path = path.join(PROJECT_FILENAME);
+            let child_meta = fs::metadata(&child_path).ok()?;
+
+            if child_meta.is_file() {
+                Some(child_path)
+            } else {
+                // This is a folder with the same name as a Rojo default project
+                // file.
+                //
+                // That's pretty weird, but we can roll with it.
+                None
+            }
+        }
+    }
+
+    fn load_exact(project_file_location: &Path) -> anyhow::Result<Self> {
+        let contents = fs::read_to_string(project_file_location)?;
+
+        let mut project: Project = serde_json::from_str(&contents).with_context(|| {
+            format!(
+                "Error parsing Rojo project at {}",
+                project_file_location.display()
+            )
+        })?;
+
+        project.file_location = project_file_location.to_path_buf();
+        project.check_compatibility();
+
+        Ok(project)
+    }
+
+    /// Checks if there are any compatibility issues with this project file and
+    /// warns the user if there are any.
+    fn check_compatibility(&self) {
+        self.tree.validate_reserved_names();
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize)]
+pub struct OptionalPathNode {
+    #[serde(serialize_with = "crate::path_serializer::serialize_absolute")]
+    pub optional: PathBuf,
+}
+
+impl OptionalPathNode {
+    pub fn new(optional: PathBuf) -> Self {
+        OptionalPathNode { optional }
+    }
+}
+
+/// Describes a path that is either optional or required
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum PathNode {
+    Required(#[serde(serialize_with = "crate::path_serializer::serialize_absolute")] PathBuf),
+    Optional(OptionalPathNode),
+}
+
+impl PathNode {
+    pub fn path(&self) -> &Path {
+        match self {
+            PathNode::Required(pathbuf) => &pathbuf,
+            PathNode::Optional(OptionalPathNode { optional }) => &optional,
+        }
+    }
+}
+
+/// Describes an instance and its descendants in a project.
+#[derive(Debug, Clone, PartialEq, Default, Serialize, Deserialize)]
+pub struct ProjectNode {
+    /// If set, defines the ClassName of the described instance.
+    ///
+    /// `$className` MUST be set if `$path` is not set.
+    ///
+    /// `$className` CANNOT be set if `$path` is set and the instance described
+    /// by that path has a ClassName other than Folder.
+    #[serde(rename = "$className", skip_serializing_if = "Option::is_none")]
+    pub class_name: Option<String>,
+
+    /// Contains all of the children of the described instance.
+    #[serde(flatten)]
+    pub children: BTreeMap<String, ProjectNode>,
+
+    /// The properties that will be assigned to the resulting instance.
+    #[serde(
+        rename = "$properties",
+        default,
+        skip_serializing_if = "HashMap::is_empty"
+    )]
+    pub properties: HashMap<String, UnresolvedValue>,
+
+    /// Defines the behavior when Rojo encounters unknown instances in Roblox
+    /// Studio during live sync. `$ignoreUnknownInstances` should be considered
+    /// a large hammer and used with care.
+    ///
+    /// If set to `true`, those instances will be left alone. This may cause
+    /// issues when files that turn into instances are removed while Rojo is not
+    /// running.
+    ///
+    /// If set to `false`, Rojo will destroy any instances it does not
+    /// recognize.
+    ///
+    /// If unset, its default value depends on other settings:
+    /// - If `$path` is not set, defaults to `true`
+    /// - If `$path` is set, defaults to `false`
+    #[serde(
+        rename = "$ignoreUnknownInstances",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub ignore_unknown_instances: Option<bool>,
+
+    /// Defines that this instance should come from the given file path. This
+    /// path can point to any file type supported by Rojo, including Lua files
+    /// (`.lua`), Roblox models (`.rbxm`, `.rbxmx`), and localization table
+    /// spreadsheets (`.csv`).
+    #[serde(rename = "$path", skip_serializing_if = "Option::is_none")]
+    pub path: Option<PathNode>,
+}
+
+impl ProjectNode {
+    fn validate_reserved_names(&self) {
+        for (name, child) in &self.children {
+            if name.starts_with('$') {
+                log::warn!(
+                    "Keys starting with '$' are reserved by Rojo to ensure forward compatibility."
+                );
+                log::warn!(
+                    "This project uses the key '{}', which should be renamed.",
+                    name
+                );
+            }
+
+            child.validate_reserved_names();
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn path_node_required() {
+        let path_node: PathNode = serde_json::from_str(r#""src""#).unwrap();
+        assert_eq!(path_node, PathNode::Required(PathBuf::from("src")));
+    }
+
+    #[test]
+    fn path_node_optional() {
+        let path_node: PathNode = serde_json::from_str(r#"{ "optional": "src" }"#).unwrap();
+        assert_eq!(
+            path_node,
+            PathNode::Optional(OptionalPathNode::new(PathBuf::from("src")))
+        );
+    }
+
+    #[test]
+    fn project_node_required() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": "src"
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(
+            project_node.path,
+            Some(PathNode::Required(PathBuf::from("src")))
+        );
+    }
+
+    #[test]
+    fn project_node_optional() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "src" }
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(
+            project_node.path,
+            Some(PathNode::Optional(OptionalPathNode::new(PathBuf::from(
+                "src"
+            ))))
+        );
+    }
+
+    #[test]
+    fn project_node_none() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$className": "Folder"
+            }"#,
+        )
+        .unwrap();
+
+        assert_eq!(project_node.path, None);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_absolute() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "..\\src" }
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":{"optional":"../src"}}"#);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_absolute_no_change() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": { "optional": "../src" }
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":{"optional":"../src"}}"#);
+    }
+
+    #[test]
+    fn project_node_optional_serialize_optional() {
+        let project_node: ProjectNode = serde_json::from_str(
+            r#"{
+                "$path": "..\\src"
+            }"#,
+        )
+        .unwrap();
+
+        let serialized = serde_json::to_string(&project_node).unwrap();
+        assert_eq!(serialized, r#"{"$path":"../src"}"#);
+    }
+}

crates/rojo-project/src/resolution.rs

@@ -0,0 +1,294 @@
+use std::borrow::Borrow;
+
+use anyhow::format_err;
+use rbx_dom_weak::types::{
+    CFrame, Color3, Content, Enum, Matrix3, Tags, Variant, VariantType, Vector2, Vector3,
+};
+use rbx_reflection::{DataType, PropertyDescriptor};
+use serde::{Deserialize, Serialize};
+
+/// A user-friendly version of `Variant` that supports specifying ambiguous
+/// values. Ambiguous values need a reflection database to be resolved to a
+/// usable value.
+///
+/// This type is used in Rojo projects and JSON models to make specifying the
+/// most common types of properties, like strings or vectors, much easier.
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum UnresolvedValue {
+    FullyQualified(Variant),
+    Ambiguous(AmbiguousValue),
+}
+
+impl UnresolvedValue {
+    pub fn resolve(self, class_name: &str, prop_name: &str) -> anyhow::Result<Variant> {
+        match self {
+            UnresolvedValue::FullyQualified(full) => Ok(full),
+            UnresolvedValue::Ambiguous(partial) => partial.resolve(class_name, prop_name),
+        }
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum AmbiguousValue {
+    Bool(bool),
+    String(String),
+    StringArray(Vec<String>),
+    Number(f64),
+    Array2([f64; 2]),
+    Array3([f64; 3]),
+    Array4([f64; 4]),
+    Array12([f64; 12]),
+}
+
+impl AmbiguousValue {
+    pub fn resolve(self, class_name: &str, prop_name: &str) -> anyhow::Result<Variant> {
+        let property = find_descriptor(class_name, prop_name)
+            .ok_or_else(|| format_err!("Unknown property {}.{}", class_name, prop_name))?;
+
+        match &property.data_type {
+            DataType::Enum(enum_name) => {
+                let database = rbx_reflection_database::get();
+
+                let enum_descriptor = database.enums.get(enum_name).ok_or_else(|| {
+                    format_err!("Unknown enum {}. This is a Rojo bug!", enum_name)
+                })?;
+
+                let error = |what: &str| {
+                    let mut all_values = enum_descriptor
+                        .items
+                        .keys()
+                        .map(|value| value.borrow())
+                        .collect::<Vec<_>>();
+                    all_values.sort();
+
+                    let examples = nonexhaustive_list(&all_values);
+
+                    format_err!(
+                        "Invalid value for property {}.{}. Got {} but \
+                         expected a member of the {} enum such as {}",
+                        class_name,
+                        prop_name,
+                        what,
+                        enum_name,
+                        examples,
+                    )
+                };
+
+                let value = match self {
+                    AmbiguousValue::String(value) => value,
+                    unresolved => return Err(error(unresolved.describe())),
+                };
+
+                let resolved = enum_descriptor
+                    .items
+                    .get(value.as_str())
+                    .ok_or_else(|| error(value.as_str()))?;
+
+                Ok(Enum::from_u32(*resolved).into())
+            }
+            DataType::Value(variant_ty) => match (variant_ty, self) {
+                (VariantType::Bool, AmbiguousValue::Bool(value)) => Ok(value.into()),
+
+                (VariantType::Float32, AmbiguousValue::Number(value)) => Ok((value as f32).into()),
+                (VariantType::Float64, AmbiguousValue::Number(value)) => Ok(value.into()),
+                (VariantType::Int32, AmbiguousValue::Number(value)) => Ok((value as i32).into()),
+                (VariantType::Int64, AmbiguousValue::Number(value)) => Ok((value as i64).into()),
+
+                (VariantType::String, AmbiguousValue::String(value)) => Ok(value.into()),
+                (VariantType::Tags, AmbiguousValue::StringArray(value)) => {
+                    Ok(Tags::from(value).into())
+                }
+                (VariantType::Content, AmbiguousValue::String(value)) => {
+                    Ok(Content::from(value).into())
+                }
+
+                (VariantType::Vector2, AmbiguousValue::Array2(value)) => {
+                    Ok(Vector2::new(value[0] as f32, value[1] as f32).into())
+                }
+
+                (VariantType::Vector3, AmbiguousValue::Array3(value)) => {
+                    Ok(Vector3::new(value[0] as f32, value[1] as f32, value[2] as f32).into())
+                }
+
+                (VariantType::Color3, AmbiguousValue::Array3(value)) => {
+                    Ok(Color3::new(value[0] as f32, value[1] as f32, value[2] as f32).into())
+                }
+
+                (VariantType::CFrame, AmbiguousValue::Array12(value)) => {
+                    let value = value.map(|v| v as f32);
+                    let pos = Vector3::new(value[0], value[1], value[2]);
+                    let orientation = Matrix3::new(
+                        Vector3::new(value[3], value[4], value[5]),
+                        Vector3::new(value[6], value[7], value[8]),
+                        Vector3::new(value[9], value[10], value[11]),
+                    );
+
+                    Ok(CFrame::new(pos, orientation).into())
+                }
+
+                (_, unresolved) => Err(format_err!(
+                    "Wrong type of value for property {}.{}. Expected {:?}, got {}",
+                    class_name,
+                    prop_name,
+                    variant_ty,
+                    unresolved.describe(),
+                )),
+            },
+            _ => Err(format_err!(
+                "Unknown data type for property {}.{}",
+                class_name,
+                prop_name
+            )),
+        }
+    }
+
+    fn describe(&self) -> &'static str {
+        match self {
+            AmbiguousValue::Bool(_) => "a bool",
+            AmbiguousValue::String(_) => "a string",
+            AmbiguousValue::StringArray(_) => "an array of strings",
+            AmbiguousValue::Number(_) => "a number",
+            AmbiguousValue::Array2(_) => "an array of two numbers",
+            AmbiguousValue::Array3(_) => "an array of three numbers",
+            AmbiguousValue::Array4(_) => "an array of four numbers",
+            AmbiguousValue::Array12(_) => "an array of twelve numbers",
+        }
+    }
+}
+
+fn find_descriptor(
+    class_name: &str,
+    prop_name: &str,
+) -> Option<&'static PropertyDescriptor<'static>> {
+    let database = rbx_reflection_database::get();
+    let mut current_class_name = class_name;
+
+    loop {
+        let class = database.classes.get(current_class_name)?;
+        if let Some(descriptor) = class.properties.get(prop_name) {
+            return Some(descriptor);
+        }
+
+        current_class_name = class.superclass.as_deref()?;
+    }
+}
+
+/// Outputs a string containing up to MAX_ITEMS entries from the given list. If
+/// there are more than MAX_ITEMS items, the number of remaining items will be
+/// listed.
+fn nonexhaustive_list(values: &[&str]) -> String {
+    use std::fmt::Write;
+
+    const MAX_ITEMS: usize = 8;
+
+    let mut output = String::new();
+
+    let last_index = values.len() - 1;
+    let main_length = last_index.min(9);
+
+    let main_list = &values[..main_length];
+    for value in main_list {
+        output.push_str(value);
+        output.push_str(", ");
+    }
+
+    if values.len() > MAX_ITEMS {
+        write!(output, "or {} more", values.len() - main_length).unwrap();
+    } else {
+        output.push_str("or ");
+        output.push_str(values[values.len() - 1]);
+    }
+
+    output
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    fn resolve(class: &str, prop: &str, json_value: &str) -> Variant {
+        let unresolved: UnresolvedValue = serde_json::from_str(json_value).unwrap();
+        unresolved.resolve(class, prop).unwrap()
+    }
+
+    #[test]
+    fn bools() {
+        assert_eq!(resolve("BoolValue", "Value", "false"), Variant::Bool(false));
+
+        // Script.Disabled is inherited from BaseScript
+        assert_eq!(resolve("Script", "Disabled", "true"), Variant::Bool(true));
+    }
+
+    #[test]
+    fn strings() {
+        // String literals can stay as strings
+        assert_eq!(
+            resolve("StringValue", "Value", "\"Hello!\""),
+            Variant::String("Hello!".into()),
+        );
+
+        // String literals can also turn into Content
+        assert_eq!(
+            resolve("Sky", "MoonTextureId", "\"rbxassetid://12345\""),
+            Variant::Content("rbxassetid://12345".into()),
+        );
+
+        // What about BinaryString values? For forward-compatibility reasons, we
+        // don't support any shorthands for BinaryString.
+        //
+        // assert_eq!(
+        //     resolve("Folder", "Tags", "\"a\\u0000b\\u0000c\""),
+        //     Variant::BinaryString(b"a\0b\0c".to_vec().into()),
+        // );
+    }
+
+    #[test]
+    fn numbers() {
+        assert_eq!(
+            resolve("Part", "CollisionGroupId", "123"),
+            Variant::Int32(123),
+        );
+
+        assert_eq!(
+            resolve("Folder", "SourceAssetId", "532413"),
+            Variant::Int64(532413),
+        );
+
+        assert_eq!(resolve("Part", "Transparency", "1"), Variant::Float32(1.0));
+        assert_eq!(resolve("NumberValue", "Value", "1"), Variant::Float64(1.0));
+    }
+
+    #[test]
+    fn vectors() {
+        assert_eq!(
+            resolve("ParticleEmitter", "SpreadAngle", "[1, 2]"),
+            Variant::Vector2(Vector2::new(1.0, 2.0)),
+        );
+
+        assert_eq!(
+            resolve("Part", "Position", "[4, 5, 6]"),
+            Variant::Vector3(Vector3::new(4.0, 5.0, 6.0)),
+        );
+    }
+
+    #[test]
+    fn colors() {
+        assert_eq!(
+            resolve("Part", "Color", "[1, 1, 1]"),
+            Variant::Color3(Color3::new(1.0, 1.0, 1.0)),
+        );
+
+        // There aren't any user-facing Color3uint8 properties. If there are
+        // some, we should treat them the same in the future.
+    }
+
+    #[test]
+    fn enums() {
+        assert_eq!(
+            resolve("Lighting", "Technology", "\"Voxel\""),
+            Variant::Enum(Enum::from_u32(1)),
+        );
+    }
+}

design.gv

@@ -1,30 +0,0 @@
-digraph Rojo {
-	concentrate = true;
-	node [fontname = "sans-serif"];
-
-	plugin [label="Roblox Studio Plugin"]
-	session [label="Session"]
-	rbx_tree [label="Instance Tree"]
-	imfs [label="In-Memory Filesystem"]
-	fs_impl [label="Filesystem Implementation\n(stubbed in tests)"]
-	fs [label="Real Filesystem"]
-	snapshot_subsystem [label="Snapshot Subsystem\n(reconciler)"]
-	snapshot_generator [label="Snapshot Generator"]
-	user_middleware [label="User Middleware\n(MoonScript, etc.)"]
-	builtin_middleware [label="Built-in Middleware\n(.lua, .rbxm, etc.)"]
-	api [label="Web API"]
-	file_watcher [label="File Watcher"]
-
-	session -> imfs
-	session -> rbx_tree
-	session -> snapshot_subsystem
-	session -> snapshot_generator
-	session -> file_watcher [dir="both"]
-	file_watcher -> imfs
-	snapshot_generator -> user_middleware
-	snapshot_generator -> builtin_middleware
-	plugin -> api [style="dotted"; dir="both"; minlen=2]
-	api -> session
-	imfs -> fs_impl
-	fs_impl -> fs
-}

docs/extra.css

@@ -1,13 +0,0 @@
-.md-typeset__table {
-  width: 100%;
-}
-
-.feature-image img {
-  border: 1px solid rgba(0, 0, 0, 0.2);
-  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
-}
-
-.codehilite {
-  border: 1px solid rgba(0, 0, 0, 0.2);
-  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
-}

docs/guide/existing-game.md

@@ -1,11 +0,0 @@
-**This page is under construction!**
-
-## Summary
-* Tools to port existing games are in progress!
-    * [rbxlx-to-rojo](https://github.com/rojo-rbx/rbxlx-to-rojo)
-    * `rojo export` ([issue #208](https://github.com/rojo-rbx/rojo/issues/208))
-* Can port as much or as little of your game as you like
-    * Rojo can manage just a slice of your game!
-* Some Roblox idioms aren't very well supported
-    * Redundant copies of scripts don't work well with files
-    * Having only a couple places with scripts simplifies your project dramatically!

docs/guide/installation.md

@@ -1,48 +0,0 @@
-This is this installation guide for Rojo **0.5.x**.
-
-[TOC]
-
-## Overview
-Rojo has two components:
-
-* The command line interface (CLI)
-* The Roblox Studio plugin
-
-!!! info
-    It's important that your installed version of the plugin and CLI are compatible.
-
-    The plugin will show errors in the Roblox Studio output window if there is a version mismatch.
-
-## Visual Studio Code Extension
-If you use Visual Studio Code, you can install [the Rojo VS Code extension](https://marketplace.visualstudio.com/items?itemName=evaera.vscode-rojo), which will install both halves of Rojo for you. It even has a nifty UI to sync files and start/stop the Rojo server!
-
-## Installing the CLI
-
-### Installing from GitHub
-If you're on Windows, there are pre-built binaries available from Rojo's [GitHub Releases page](https://github.com/LPGhatguy/rojo/releases).
-
-The Rojo CLI must be run from the command line, like Terminal.app on MacOS or `cmd.exe` on Windows. It's recommended that you put the Rojo CLI executable on your `PATH` to make this easier.
-
-### Installing from Cargo
-If you have Rust installed, the easiest way to get Rojo is with Cargo!
-
-To install the latest 0.5.x release, use:
-
-```sh
-cargo install rojo
-```
-
-If you're upgrading from a previous version of Rojo, you may need to pass `--force` to tell Cargo to overwrite your existing version.
-
-## Installing the Plugin
-
-### Installing from GitHub
-The Rojo Roblox Studio plugin is available from Rojo's [GitHub Releases page](https://github.com/LPGhatguy/rojo/releases).
-
-Download the attached `rbxm` file and put it into your Roblox Studio plugins folder. You can find that folder by pressing **Plugins Folder** from your Plugins toolbar in Roblox Studio:
-
-!['Plugins Folder' button in Roblox Studio](../images/plugins-folder-in-studio.png)
-{: align="center" }
-
-### Installing from Roblox.com
-Visit [Rojo's Roblox.com Plugin page](https://www.roblox.com/library/1997686364) in Roblox Studio and press **Install**.

docs/guide/migrating-to-epiphany.md

@@ -1,63 +0,0 @@
-Rojo underwent a large refactor during most of 2018 to enable a bunch of new features and lay groundwork for lots more in 2019. As such, Rojo **0.5.x** projects are not compatible with Rojo **0.4.x** projects.
-
-[TOC]
-
-## Supporting Both 0.4.x and 0.5.x
-Rojo 0.5.x uses a different name for its project format. While 0.4.x used `rojo.json`, 0.5.x uses `default.project.json`, which allows them to coexist.
-
-If you aren't sure about upgrading or want to upgrade gradually, it's possible to keep both files in the same project without causing problems.
-
-## Upgrading Your Project File
-Project files in 0.5.x are more explicit and flexible than they were in 0.4.x. Project files can now describe models and plugins in addition to places.
-
-This new project file format also guards against two of the biggest pitfalls when writing a config file:
-
-* Using a service as a partition target directly, which often wiped away extra instances
-* Defining two partitions that overlapped, which made Rojo act unpredictably
-
-The biggest change is that the `partitions` field has been replaced with a new field, `tree`, that describes the entire hierarchy of your project from the top-down.
-
-A project for 0.4.x that syncs from the `src` directory into `ReplicatedStorage.Source` would look like this:
-
-```json
-{
-    "name": "Rojo 0.4.x Example",
-    "partitions": {
-        "path": "src",
-        "target": "ReplicatedStorage.Source"
-    }
-}
-```
-
-In 0.5.x, the project format is more explicit:
-
-```json
-{
-    "name": "Rojo 0.5.x Example",
-    "tree": {
-        "$className": "DataModel",
-        "ReplicatedStorage": {
-            "$className": "ReplicatedStorage",
-            "Source": {
-                "$path": "src"
-            }
-        }
-    }
-}
-```
-
-For each object in the tree, we define *metadata* and *children*.
-
-Metadata begins with a dollar sign (`$`), like `$className`. This is so that children and metadata can coexist without creating too many nested layers.
-
-All other values are considered children, where the key is the instance's name, and the value is an object, repeating the process.
-
-## Migrating Unknown Files
-If you used Rojo to sync in files as `StringValue` objects, you'll need to make sure those files end with the `txt` extension to preserve this in Rojo 0.5.x.
-
-Unknown files are now ignored in Rojo instead of being converted to `StringValue` objects.
-
-## Migrating `init.model.json` files
-In Rojo 0.4.x, it's possible to create a file named `init.model.json` that lets you describe a model that becomes the container for all of the other files in the folder, just like `init.lua`.
-
-In Rojo 0.5.x, this feature has been replaced with `init.meta.json` files. See [Sync Details](../../reference/sync-details) for more information about these new files.

docs/guide/new-game.md

@@ -1,90 +0,0 @@
-[TOC]
-
-## Creating the Rojo Project
-To use Rojo to build a game, you'll need to create a new project file, which tells Rojo how to turn your files into a Roblox place.
-
-First, create a new folder to contain the files for your game and open up a new terminal inside of it, like cmd.exe or Bash.
-
-It's convenient to make the folder from the command line:
-
-```sh
-mkdir my-new-project
-cd my-new-project
-```
-
-Inside the folder, initialize a new Rojo project:
-
-```sh
-rojo init
-```
-
-Rojo will make a small project file in your directory, named `default.project.json`. It matches the "Baseplate" template from Roblox Studio, except that it'll take any files you put in a folder called `src` and put it into `ReplicatedStorage.Source`.
-
-Speaking of files, make sure to create a directory named `src` in this folder, or Rojo will be upset about missing files!
-
-```sh
-mkdir src
-```
-
-Let's also add a Lua file, `hello.lua` to the `src` folder, so that we can make this project our own.
-
-```sh
-echo 'return "Hello, Rojo!"' > src/hello.lua
-```
-
-## Building Your Place
-Now that we have a project, one thing we can do is build a Roblox place file for our project. This is a great way to get started with a project quickly with no fuss.
-
-All we have to do is call `rojo build`:
-
-```sh
-rojo build -o MyNewProject.rbxlx
-```
-
-If you open `MyNewProject.rbxlx` in Roblox Studio now, you should see a `Folder` named "Source" containing a `ModuleScript` under `ReplicatedStorage`.
-
-!!! info
-    To generate a binary place file instead, use `rbxl`. Note that support for binary model/place files (`rbxm` and `rbxl`) is very limited in Rojo presently.
-
-## Live-Syncing into Studio
-Building a place file is great for starting to work on a game, but for active iteration, you'll want something faster.
-
-In Roblox Studio, make sure the Rojo plugin is installed. If you need it, check out [the installation guide](../installation) to learn how to install it.
-
-To expose your project to the plugin, you'll need to start a new **live sync session** from the command line:
-
-```sh
-rojo serve
-```
-
-You should see output like this in your terminal:
-
-```sh
-$ rojo serve
-Rojo server listening on port 34872
-```
-
-Switch into Roblox Studio and press the **Connect** button on the Rojo plugin toolbar. A dialog should appear:
-
-![Rojo plugin connection dialog](../images/connection-dialog.png)
-{: class="feature-image" align="center" }
-
-If the port number doesn't match the output from the command line, change it, and then press **Connect**.
-
-If all went well, you should now be able to change files in the `src` directory and watch them sync into Roblox Studio in real time!
-
-## Uploading Your Place
-Aimed at teams that want serious levels of automation, Rojo can upload places to Roblox.com automatically.
-
-You'll need an existing game on Roblox.com as well as the `.ROBLOSECURITY` cookie of an account that has write access to that game.
-
-!!! warning
-    It's recommended that you set up a Roblox account dedicated to deploying your game instead of your personal account in case your security cookie is compromised.
-
-Generating and publishing your game is as simple as:
-
-```sh
-rojo upload --asset_id [PLACE ID] --cookie "[SECURITY COOKIE]"
-```
-
-An example project is available on GitHub that deploys to roblox.com from GitHub and Travis-CI automatically: [https://github.com/LPGhatguy/roads](https://github.com/LPGhatguy/roads)

docs/help.md

@@ -1,7 +0,0 @@
-Rojo is a fairly complex tool to adopt, but there's a community willing to help!
-
-The [Roblox Open Source Community Discord](https://discord.gg/wH5ncNS) currently hosts a Rojo support channel, **#rojo**, that is a great place to get help as problems come up.
-
-If you find anything that looks like a bug or have ideas for how to improve Rojo, feel free to file an issue on [Rojo's GitHub issue tracker](https://github.com/rojo-rbx/rojo/issues).
-
-Rojo's primary maintainer is also available on Twitter, [@LPGhatguy](https://twitter.com/LPGhatguy).

docs/images/sync-example-files.gv

@@ -1,17 +0,0 @@
-digraph "Sync Files" {
-	graph [
-	    ranksep = "0.7",
-	    nodesep = "0.5",
-	];
-	node [
-	    fontname = "monospace",
-	    shape = "record",
-	];
-
-	my_model [label = "MyModel"]
-	init_server [label = "init.server.lua"]
-	foo [label = "foo.lua"]
-
-	my_model -> init_server
-	my_model -> foo
-}

docs/images/sync-example-files.svg

@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.38.0 (20140413.2041)
- -->
-<!-- Title: Sync Files Pages: 1 -->
-<svg width="258pt" height="132pt"
- viewBox="0.00 0.00 258.00 132.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 128)">
-<title>Sync Files</title>
-<polygon fill="white" stroke="none" points="-4,4 -4,-128 254,-128 254,4 -4,4"/>
-<!-- my_model -->
-<g id="node1" class="node"><title>my_model</title>
-<polygon fill="none" stroke="black" points="104,-87.5 104,-123.5 178,-123.5 178,-87.5 104,-87.5"/>
-<text text-anchor="middle" x="141" y="-101.8" font-family="monospace" font-size="14.00">MyModel</text>
-</g>
-<!-- init_server -->
-<g id="node2" class="node"><title>init_server</title>
-<polygon fill="none" stroke="black" points="0,-0.5 0,-36.5 140,-36.5 140,-0.5 0,-0.5"/>
-<text text-anchor="middle" x="70" y="-14.8" font-family="monospace" font-size="14.00">init.server.lua</text>
-</g>
-<!-- my_model&#45;&gt;init_server -->
-<g id="edge1" class="edge"><title>my_model&#45;&gt;init_server</title>
-<path fill="none" stroke="black" d="M126.632,-87.299C116.335,-74.9713 102.308,-58.1787 90.7907,-44.3902"/>
-<polygon fill="black" stroke="black" points="93.4435,-42.1065 84.3465,-36.6754 88.0711,-46.594 93.4435,-42.1065"/>
-</g>
-<!-- foo -->
-<g id="node3" class="node"><title>foo</title>
-<polygon fill="none" stroke="black" points="176,-0.5 176,-36.5 250,-36.5 250,-0.5 176,-0.5"/>
-<text text-anchor="middle" x="213" y="-14.8" font-family="monospace" font-size="14.00">foo.lua</text>
-</g>
-<!-- my_model&#45;&gt;foo -->
-<g id="edge2" class="edge"><title>my_model&#45;&gt;foo</title>
-<path fill="none" stroke="black" d="M155.57,-87.299C166.013,-74.9713 180.237,-58.1787 191.917,-44.3902"/>
-<polygon fill="black" stroke="black" points="194.659,-46.5681 198.451,-36.6754 189.317,-42.0437 194.659,-46.5681"/>
-</g>
-</g>
-</svg>

docs/images/sync-example-instances.gv

@@ -1,15 +0,0 @@
-digraph "Sync Files" {
-	graph [
-	    ranksep = "0.7",
-	    nodesep = "0.5",
-	];
-	node [
-	    fontname = "monospace",
-	    shape = "record",
-	];
-
-	my_model [label = "MyModel (Script)"]
-	foo [label = "foo (ModuleScript)"]
-
-	my_model -> foo
-}

docs/images/sync-example-instances.svg

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.38.0 (20140413.2041)
- -->
-<!-- Title: Sync Files Pages: 1 -->
-<svg width="173pt" height="132pt"
- viewBox="0.00 0.00 173.00 132.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 128)">
-<title>Sync Files</title>
-<polygon fill="white" stroke="none" points="-4,4 -4,-128 169,-128 169,4 -4,4"/>
-<!-- my_model -->
-<g id="node1" class="node"><title>my_model</title>
-<polygon fill="none" stroke="black" points="8,-87.5 8,-123.5 157,-123.5 157,-87.5 8,-87.5"/>
-<text text-anchor="middle" x="82.5" y="-101.8" font-family="monospace" font-size="14.00">MyModel (Script)</text>
-</g>
-<!-- foo -->
-<g id="node2" class="node"><title>foo</title>
-<polygon fill="none" stroke="black" points="0,-0.5 0,-36.5 165,-36.5 165,-0.5 0,-0.5"/>
-<text text-anchor="middle" x="82.5" y="-14.8" font-family="monospace" font-size="14.00">foo (ModuleScript)</text>
-</g>
-<!-- my_model&#45;&gt;foo -->
-<g id="edge1" class="edge"><title>my_model&#45;&gt;foo</title>
-<path fill="none" stroke="black" d="M82.5,-87.299C82.5,-75.6626 82.5,-60.0479 82.5,-46.7368"/>
-<polygon fill="black" stroke="black" points="86.0001,-46.6754 82.5,-36.6754 79.0001,-46.6755 86.0001,-46.6754"/>
-</g>
-</g>
-</svg>

docs/images/sync-example-json-model.gv

@@ -1,17 +0,0 @@
-digraph "Sync Files" {
-	graph [
-	    ranksep = "0.7",
-	    nodesep = "0.5",
-	];
-	node [
-	    fontname = "monospace",
-	    shape = "record",
-	];
-
-	model [label = "My Cool Model (Folder)"]
-	root_part [label = "RootPart (Part)"]
-	send_money [label = "SendMoney (RemoteEvent)"]
-
-	model -> root_part
-	model -> send_money
-}

docs/images/sync-example-json-model.svg

@@ -1,38 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.38.0 (20140413.2041)
- -->
-<!-- Title: Sync Files Pages: 1 -->
-<svg width="390pt" height="132pt"
- viewBox="0.00 0.00 390.00 132.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 128)">
-<title>Sync Files</title>
-<polygon fill="white" stroke="none" points="-4,4 -4,-128 386,-128 386,4 -4,4"/>
-<!-- model -->
-<g id="node1" class="node"><title>model</title>
-<polygon fill="none" stroke="black" points="75,-87.5 75,-123.5 273,-123.5 273,-87.5 75,-87.5"/>
-<text text-anchor="middle" x="174" y="-101.8" font-family="monospace" font-size="14.00">My Cool Model (Folder)</text>
-</g>
-<!-- root_part -->
-<g id="node2" class="node"><title>root_part</title>
-<polygon fill="none" stroke="black" points="0,-0.5 0,-36.5 140,-36.5 140,-0.5 0,-0.5"/>
-<text text-anchor="middle" x="70" y="-14.8" font-family="monospace" font-size="14.00">RootPart (Part)</text>
-</g>
-<!-- model&#45;&gt;root_part -->
-<g id="edge1" class="edge"><title>model&#45;&gt;root_part</title>
-<path fill="none" stroke="black" d="M152.954,-87.299C137.448,-74.6257 116.168,-57.2335 99.0438,-43.2377"/>
-<polygon fill="black" stroke="black" points="100.972,-40.2938 91.0147,-36.6754 96.5426,-45.7138 100.972,-40.2938"/>
-</g>
-<!-- send_money -->
-<g id="node3" class="node"><title>send_money</title>
-<polygon fill="none" stroke="black" points="176,-0.5 176,-36.5 382,-36.5 382,-0.5 176,-0.5"/>
-<text text-anchor="middle" x="279" y="-14.8" font-family="monospace" font-size="14.00">SendMoney (RemoteEvent)</text>
-</g>
-<!-- model&#45;&gt;send_money -->
-<g id="edge2" class="edge"><title>model&#45;&gt;send_money</title>
-<path fill="none" stroke="black" d="M195.248,-87.299C210.904,-74.6257 232.388,-57.2335 249.677,-43.2377"/>
-<polygon fill="black" stroke="black" points="252.213,-45.6878 257.783,-36.6754 247.809,-40.2471 252.213,-45.6878"/>
-</g>
-</g>
-</svg>

docs/index.md

@@ -1,18 +0,0 @@
-This is the documentation home for **the Rojo `master` branch**.
-
-!!! warning
-    Documentation here may not apply to the latest release of Rojo yet.
-
-    For documentation for the latest stable release series, 0.5.x, go to:
-
-    [https://rojo.space/docs/0.5.x](https://rojo.space/docs/0.5.x)
-
-Available versions of these docs:
-
-* [Latest version from `master` branch](https://rojo.space/docs/latest)
-* [0.5.x](https://rojo.space/docs/0.5.x)
-* [0.4.x](https://rojo.space/docs/0.4.x)
-
-**Rojo** is a tool designed to enable Roblox developers to use professional-grade software engineering tools.
-
-This documentation is a continual work in progress. If you find any issues, please file an issue on [Rojo's issue tracker](https://github.com/rojo-rbx/rojo/issues)!