Upload plugin as part of release workflow (#1227)

Closes #1178.

.dir-locals.el

@@ -0,0 +1,2 @@
+((nil . ((eglot-luau-rojo-project-path . "plugin.project.json")
+         (eglot-luau-rojo-sourcemap-enabled . 't))))

.editorconfig

@@ -23,4 +23,7 @@ insert_final_newline = true
 insert_final_newline = true
 
 [*.lua]
+indent_style = tab
+
+[*.luau]
 indent_style = tab

.git-blame-ignore-revs

@@ -0,0 +1,2 @@
+# stylua formatting
+0f8e1625d572a5fe0f7b5c08653ff92cc837d346

.gitattributes

@@ -0,0 +1 @@
+*.lua linguist-language=Luau

.github/workflows/changelog.yml

@@ -0,0 +1,23 @@
+name: Changelog Check
+
+on:
+  pull_request:
+    types: [assigned, opened, synchronize, reopened, labeled, unlabeled]
+    branches:
+      - master
+
+jobs:
+  build:
+    name: Check Actions
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Changelog check
+      uses: Zomzog/changelog-checker@v1.3.0
+      with:
+        fileName: CHANGELOG.md
+        noChangelogLabel: skip changelog
+        checkNotification: Simple
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ci.yml

@@ -1,36 +1,133 @@
 name: CI
 
-on: [push]
+on:
+  push:
+    branches:
+    - master
+
+  pull_request:
+    branches:
+    - master
 
 jobs:
   build:
-
+    name: Build and Test
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
-        rust_version: [stable, "1.40.0"]
+        os: [ubuntu-22.04, windows-latest, macos-latest, windows-11-arm, ubuntu-22.04-arm]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
 
-    - name: Setup Rust toolchain
+    - name: Install Rust
-      run: rustup default ${{ matrix.rust_version }}
+      uses: dtolnay/rust-toolchain@stable
+
+    - name: Restore Rust Cache
+      uses: actions/cache/restore@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Build
       run: cargo build --locked --verbose
 
-    - name: Run tests
+    - name: Test
       run: cargo test --locked --verbose
 
-    - name: Rustfmt and Clippy
+    - name: Save Rust Cache
-      run: |
+      uses: actions/cache/save@v4
-        cargo fmt -- --check
+      with:
-        cargo clippy
+        path: |
-      if: matrix.rust_version == 'stable'
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
-    - name: Build (All Features)
+  msrv:
-      run: cargo build --locked --verbose --all-features
+    name: Check MSRV
+    runs-on: ubuntu-latest
 
-    - name: Run tests (All Features)
+    steps:
-      run: cargo test --locked --verbose --all-features
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@1.88.0
+
+    - name: Restore Rust Cache
+      uses: actions/cache/restore@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Build
+      run: cargo build --locked --verbose
+
+    - name: Save Rust Cache
+      uses: actions/cache/save@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+  lint:
+    name: Rustfmt, Clippy, Stylua, & Selene
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: rustfmt, clippy
+
+    - name: Restore Rust Cache
+      uses: actions/cache/restore@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Setup Rokit
+      uses: CompeyDev/setup-rokit@v0.1.2
+      with:
+        version: 'v1.1.0'
+
+    - name: Stylua
+      run: stylua --check plugin/src
+
+    - name: Selene
+      run: selene plugin/src
+
+    - name: Rustfmt
+      run: cargo fmt -- --check
+
+    - name: Clippy
+      run: cargo clippy
+
+    - name: Save Rust Cache
+      uses: actions/cache/save@v4
+      with:
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+          target
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

.github/workflows/release.yml

@@ -2,59 +2,156 @@ name: Release
 
 on:
   push:
-    tags: ["*"]
+    tags: ["v*"]
 
 jobs:
-  windows:
+  create-release:
-    runs-on: windows-latest
+    name: Create Release
-
-    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:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
+      - name: Create Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release create ${{ github.ref_name }} --draft --verify-tag --title ${{ github.ref_name }}
 
-    - name: Build
+  build-plugin:
-      run: cargo build --locked --verbose --release
+    needs: ["create-release"]
-      env:
+    name: Build Roblox Studio Plugin
-        OPENSSL_STATIC: 1
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
-    - name: Upload artifacts
+      - name: Setup Rokit
-      uses: actions/upload-artifact@v1
+        uses: CompeyDev/setup-rokit@v0.1.2
-      with:
+        with:
-        name: rojo-linux
+          version: 'v1.1.0'
-        path: target/release/rojo
+
+      - name: Build Plugin
+        run: rojo build plugin.project.json --output Rojo.rbxm
+
+      - name: Upload Plugin to Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload ${{ github.ref_name }} Rojo.rbxm
+
+      - name: Upload Plugin to Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: Rojo.rbxm
+          path: Rojo.rbxm
+      
+      - name: Upload Plugin to Roblox
+        env:
+          RBX_API_KEY: ${{ secrets.PLUGIN_UPLOAD_TOKEN }}
+          RBX_UNIVERSE_ID: ${{ vars.PLUGIN_CI_PLACE_ID }}
+          RBX_PLACE_ID: ${{ vars.PLUGIN_CI_UNIVERSE_ID }}
+        run: lune run upload-plugin Rojo.rbxm
+
+  build:
+    needs: ["create-release"]
+    strategy:
+      fail-fast: false
+      matrix:
+        # https://doc.rust-lang.org/rustc/platform-support.html
+        include:
+          - host: linux
+            os: ubuntu-22.04
+            target: x86_64-unknown-linux-gnu
+            label: linux-x86_64
+
+          - host: linux
+            os: ubuntu-22.04-arm
+            target: aarch64-unknown-linux-gnu
+            label: linux-aarch64
+
+          - host: windows
+            os: windows-latest
+            target: x86_64-pc-windows-msvc
+            label: windows-x86_64
+
+          - host: windows
+            os: windows-11-arm
+            target: aarch64-pc-windows-msvc
+            label: windows-aarch64
+
+          - host: macos
+            os: macos-latest
+            target: x86_64-apple-darwin
+            label: macos-x86_64
+
+          - host: macos
+            os: macos-latest
+            target: aarch64-apple-darwin
+            label: macos-aarch64
+
+    name: Build (${{ matrix.target }})
+    runs-on: ${{ matrix.os }}
+    env:
+      BIN: rojo
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Restore Rust Cache
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Build Release
+        run: cargo build --release --locked --verbose --target ${{ matrix.target }}
+
+      - name: Save Rust Cache
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ matrix.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Generate Artifact Name
+        shell: bash
+        env:
+          TAG_NAME: ${{ github.ref_name }}
+        run: |
+          echo "ARTIFACT_NAME=$BIN-${TAG_NAME#v}-${{ matrix.label }}.zip" >> "$GITHUB_ENV"
+
+      - name: Create Archive and Upload to Release
+        shell: bash
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          mkdir staging
+
+          if [ "${{ matrix.host }}" = "windows" ]; then
+            cp "target/${{ matrix.target }}/release/$BIN.exe" staging/
+            cd staging
+            7z a ../$ARTIFACT_NAME *
+          else
+            cp "target/${{ matrix.target }}/release/$BIN" staging/
+            cd staging
+            zip ../$ARTIFACT_NAME *
+          fi
+
+          gh release upload ${{ github.ref_name }} ../$ARTIFACT_NAME
+
+      - name: Upload Archive to Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          path: ${{ env.ARTIFACT_NAME }}
+          name: ${{ env.ARTIFACT_NAME }}

.gitignore

@@ -10,9 +10,19 @@
 /*.rbxl
 /*.rbxlx
 
+# Sourcemap for the Rojo plugin (for better intellisense)
+/sourcemap.json
+
 # Roblox Studio holds 'lock' files on places
 *.rbxl.lock
 *.rbxlx.lock
 
 # Snapshot files from the 'insta' Rust crate
-**/*.snap.new
+**/*.snap.new
+
+# Macos file system junk
+._*
+.DS_STORE
+
+# JetBrains IDEs
+/.idea/

.gitmodules

@@ -1,15 +1,24 @@
-[submodule "plugin/modules/roact"]
+[submodule "plugin/Packages/Roact"]
-	path = plugin/modules/roact
+	path = plugin/Packages/Roact
-	url = https://github.com/Roblox/roact.git
+	url = https://github.com/roblox/roact.git
-[submodule "plugin/modules/testez"]
+[submodule "plugin/Packages/Flipper"]
-	path = plugin/modules/testez
+	path = plugin/Packages/Flipper
-	url = https://github.com/Roblox/testez.git
+	url = https://github.com/reselim/flipper.git
-[submodule "plugin/modules/promise"]
+[submodule "plugin/Packages/Promise"]
-	path = plugin/modules/promise
+	path = plugin/Packages/Promise
-	url = https://github.com/LPGhatguy/roblox-lua-promise.git
+	url = https://github.com/evaera/roblox-lua-promise.git
-[submodule "plugin/modules/t"]
+[submodule "plugin/Packages/t"]
-	path = plugin/modules/t
+	path = plugin/Packages/t
 	url = https://github.com/osyrisrblx/t.git
-[submodule "plugin/modules/rbx-dom"]
+[submodule "plugin/Packages/TestEZ"]
-	path = plugin/modules/rbx-dom
+	path = plugin/Packages/TestEZ
-	url = http://github.com/rojo-rbx/rbx-dom
+	url = https://github.com/roblox/testez.git
+[submodule "plugin/Packages/Highlighter"]
+	path = plugin/Packages/Highlighter
+	url = https://github.com/boatbomber/highlighter.git
+[submodule "plugin/Packages/msgpack-luau"]
+	path = plugin/Packages/msgpack-luau
+	url = https://github.com/cipharius/msgpack-luau/
+[submodule ".lune/opencloud-execute"]
+	path = .lune/opencloud-execute
+	url = https://github.com/Dekkonot/opencloud-luau-execute-lune.git

.luacheckrc

@@ -1,58 +0,0 @@
-stds.roblox = {
-	read_globals = {
-		game = {
-			other_fields = true,
-		},
-
-		-- Roblox globals
-		"script",
-
-		-- Extra functions
-		"tick", "warn", "spawn",
-		"wait", "settings", "typeof",
-
-		-- Types
-		"Vector2", "Vector3",
-		"Vector2int16", "Vector3int16",
-		"Color3",
-		"UDim", "UDim2",
-		"Rect",
-		"CFrame",
-		"Enum",
-		"Instance",
-		"DockWidgetPluginGuiInfo",
-	}
-}
-
-stds.plugin = {
-	read_globals = {
-		"plugin",
-	}
-}
-
-stds.testez = {
-	read_globals = {
-		"describe",
-		"it", "itFOCUS", "itSKIP",
-		"FOCUS", "SKIP", "HACK_NO_XPCALL",
-		"expect",
-	}
-}
-
-ignore = {
-	"212", -- unused arguments
-	"421", -- shadowing local variable
-	"422", -- shadowing argument
-	"431", -- shadowing upvalue
-	"432", -- shadowing upvalue argument
-}
-
-std = "lua51+roblox"
-
-files["**/*.server.lua"] = {
-	std = "+plugin",
-}
-
-files["**/*.spec.lua"] = {
-	std = "+testez",
-}

.lune/.config.luau

@@ -0,0 +1,8 @@
+return {
+	luau = {
+		languagemode = "strict",
+		aliases = {
+			lune = "~/.lune/.typedefs/0.10.4/",
+		},
+	},
+}

.lune/scripts/plugin-upload.luau

@@ -0,0 +1,51 @@
+local args: any = ...
+assert(args, "no arguments passed to script")
+
+local input: buffer = args.BinaryInput
+
+local AssetService = game:GetService("AssetService")
+local SerializationService = game:GetService("SerializationService")
+local EncodingService = game:GetService("EncodingService")
+
+local input_hash: buffer = EncodingService:ComputeBufferHash(input, Enum.HashAlgorithm.Sha256)
+local hex_hash: { string } = table.create(buffer.len(input_hash))
+for i = 0, buffer.len(input_hash) - 1 do
+	table.insert(hex_hash, string.format("%02x", buffer.readu8(input_hash, i)))
+end
+
+print(`Deserializing plugin file (size: {buffer.len(input)} bytes, hash: {table.concat(hex_hash, "")})`)
+local plugin = SerializationService:DeserializeInstancesAsync(input)[1]
+
+local UploadDetails = require(plugin.UploadDetails) :: any
+local PLUGIN_ID = UploadDetails.assetId
+local PLUGIN_NAME = UploadDetails.name
+local PLUGIN_DESCRIPTION = UploadDetails.description
+local PLUGIN_CREATOR_ID = UploadDetails.creatorId
+local PLUGIN_CREATOR_TYPE = UploadDetails.creatorType
+
+assert(typeof(PLUGIN_ID) == "number", "UploadDetails did not contain a number field 'assetId'")
+assert(typeof(PLUGIN_NAME) == "string", "UploadDetails did not contain a string field 'name'")
+assert(typeof(PLUGIN_DESCRIPTION) == "string", "UploadDetails did not contain a string field 'description'")
+assert(typeof(PLUGIN_CREATOR_ID) == "number", "UploadDetails did not contain a number field 'creatorId'")
+assert(typeof(PLUGIN_CREATOR_TYPE) == "string", "UploadDetails did not contain a string field 'creatorType'")
+assert(
+	Enum.AssetCreatorType:FromName(PLUGIN_CREATOR_TYPE) ~= nil,
+	"UploadDetails field 'creatorType' was not a valid member of Enum.AssetCreatorType"
+)
+
+print(`Uploading to {PLUGIN_ID}`)
+print(`Plugin Name: {PLUGIN_NAME}`)
+print(`Plugin Description: {PLUGIN_DESCRIPTION}`)
+
+local result, version_or_err = AssetService:CreateAssetVersionAsync(plugin, Enum.AssetType.Plugin, PLUGIN_ID, {
+	["Name"] = PLUGIN_NAME,
+	["Description"] = PLUGIN_DESCRIPTION,
+	["CreatorId"] = PLUGIN_CREATOR_ID,
+	["CreatorType"] = Enum.AssetCreatorType:FromName(PLUGIN_CREATOR_TYPE),
+})
+
+if result ~= Enum.CreateAssetResult.Success then
+	error(`Plugin failed to upload because: {result.Name} - {version_or_err}`)
+end
+
+print(`Plugin uploaded successfully. New version is {version_or_err}.`)

.lune/upload-plugin.luau

@@ -0,0 +1,78 @@
+local fs = require("@lune/fs")
+local process = require("@lune/process")
+local stdio = require("@lune/stdio")
+
+local luau_execute = require("./opencloud-execute")
+
+local UNIVERSE_ID = process.env["RBX_UNIVERSE_ID"]
+local PLACE_ID = process.env["RBX_PLACE_ID"]
+
+local version_string = fs.readFile("plugin/Version.txt")
+local versions = { string.match(version_string, "^v?(%d+)%.(%d+)%.(%d+)(.*)$") }
+if versions[4] ~= "" then
+	print("This release is a pre-release. Skipping uploading plugin.")
+	process.exit(0)
+end
+
+local plugin_path = process.args[1]
+assert(
+	typeof(plugin_path) == "string",
+	"no plugin path provided, expected usage is `lune run upload-plugin [PATH TO RBXM]`."
+)
+
+-- For local testing
+if process.env["CI"] ~= "true" then
+	local rojo = process.exec("rojo", { "build", "plugin.project.json", "--output", plugin_path })
+	if not rojo.ok then
+		stdio.ewrite("plugin upload failed because: could not build plugin.rbxm\n\n")
+		stdio.ewrite(rojo.stderr)
+		stdio.ewrite("\n")
+		process.exit(1)
+	end
+else
+	assert(fs.isFile(plugin_path), `Plugin file did not exist at {plugin_path}`)
+end
+local plugin_content = fs.readFile(plugin_path)
+
+local engine_script = fs.readFile(".lune/scripts/plugin-upload.luau")
+
+print("Creating task to upload plugin")
+local task = luau_execute.create_task_latest(UNIVERSE_ID, PLACE_ID, engine_script, 300, false, plugin_content)
+
+print("Waiting for task to finish")
+local success = luau_execute.await_finish(task)
+if not success then
+	local error = luau_execute.get_error(task)
+	assert(error, "could not fetch error from task")
+	stdio.ewrite("plugin upload failed because: task did not finish successfully\n\n")
+	stdio.ewrite(error.code)
+	stdio.ewrite("\n")
+	stdio.ewrite(error.message)
+	stdio.ewrite("\n")
+	process.exit(1)
+end
+
+print("Output from task:\n")
+for _, log in luau_execute.get_structured_logs(task) do
+	if log.messageType == "ERROR" then
+		stdio.write(stdio.color("red"))
+		stdio.write(log.message)
+		stdio.write("\n")
+		stdio.write(stdio.color("reset"))
+	elseif log.messageType == "INFO" then
+		stdio.write(stdio.color("cyan"))
+		stdio.write(log.message)
+		stdio.write("\n")
+		stdio.write(stdio.color("reset"))
+	elseif log.messageType == "WARNING" then
+		stdio.write(stdio.color("yellow"))
+		stdio.write(log.message)
+		stdio.write("\n")
+		stdio.write(stdio.color("reset"))
+	else
+		stdio.write(stdio.color("reset"))
+		stdio.write(log.message)
+		stdio.write("\n")
+		stdio.write(stdio.color("reset"))
+	end
+end

.vscode/extensions.json

@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "JohnnyMorganz.luau-lsp",
+    "JohnnyMorganz.stylua",
+    "Kampfkarren.selene-vscode",
+    "rust-lang.rust-analyzer"
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "luau-lsp.sourcemap.rojoProjectFile": "plugin.project.json",
+  "luau-lsp.sourcemap.autogenerate": true
+}

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:
 
@@ -14,14 +14,31 @@ Code contributions are welcome for features and bugs that have been reported in
 You'll want these tools to work on Rojo:
 
 * Latest stable Rust compiler
+  * Rustfmt and Clippy are used for code formatting and linting.
 * Latest stable [Rojo](https://github.com/rojo-rbx/rojo)
-* Latest stable [Remodel](https://github.com/rojo-rbx/remodel)
+* [Rokit](https://github.com/rojo-rbx/rokit)
-* Latest stable [run-in-roblox](https://github.com/rojo-rbx/run-in-roblox)
+* [Luau Language Server](https://github.com/JohnnyMorganz/luau-lsp) (Only needed if working on the Studio plugin.)
+
+When working on the Studio plugin, we recommend using this command to automatically rebuild the plugin when you save a change:
+
+*(Make sure you've enabled the Studio setting to reload plugins on file change!)*
+
+```bash
+bash scripts/watch-build-plugin.sh
+```
+
+You can also run the plugin's unit tests with the following:
+
+*(Make sure you have `run-in-roblox` installed first!)*
+
+```bash
+bash scripts/unit-test-plugin.sh
+```
 
 ## Documentation
 Documentation impacts way more people than the individual lines of code we write.
 
-If you find any problems in documentation, including typos, bad grammar, misleading phrasing, or missing content, feel free to file issues and pull requests to fix them.
+If you find any problems in the documentation, including typos, bad grammar, misleading phrasing, or missing content, feel free to file issues and pull requests to fix them.
 
 ## Bug Reports and Feature Requests
 Most of the tools around Rojo try to be clear when an issue is a bug. Even if they aren't, sometimes things don't work quite right.
@@ -30,23 +47,26 @@ 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`
+6. Tag the commit
-7. Build Windows release build of CLI
+    * `git tag vX.Y.Z`
-    * `cargo build --release`
 7. Publish the CLI
     * `cargo publish`
-8. Build and upload the plugin
+8. Publish the Plugin
-    * `rojo build plugin -o Rojo.rbxm`
+    * `cargo run -- upload plugin --asset_id 6415005344`
-    * Upload `Rojo.rbxm` to Roblox.com, keep it for later
 9. Push commits and tags
     * `git push && git push --tags`
 10. Copy GitHub release content from previous release

Cargo.toml

@@ -1,99 +1,133 @@
 [package]
 name = "rojo"
-version = "0.6.0-alpha.2"
+version = "7.7.0-rc.1"
-authors = ["Lucien Greathouse <me@lpghatguy.com>"]
+rust-version = "1.88"
+authors = [
+    "Lucien Greathouse <me@lpghatguy.com>",
+    "Micah Reid <git@dekkonot.com>",
+    "Ken Loeffler <kenloef@gmail.com>",
+]
 description = "Enables professional-grade development tools for Roblox developers"
 license = "MPL-2.0"
 homepage = "https://rojo.space"
 documentation = "https://rojo.space/docs"
 repository = "https://github.com/rojo-rbx/rojo"
 readme = "README.md"
-edition = "2018"
+edition = "2021"
+build = "build.rs"
 
-exclude = [
+exclude = ["/test-projects/**"]
-    "/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]
+# Run Rojo with this feature to open a Tracy session.
-members = [
+# Currently uses protocol v63, last supported in Tracy 0.9.1.
-    "rojo-test",
+profile-with-tracy = ["profiling/profile-with-tracy"]
-    "rojo-insta-ext",
-    "clibrojo",
-    "vfs",
-]
 
-default-members = [
+[workspace]
-    ".",
+members = ["crates/*"]
-    "rojo-test",
-    "rojo-insta-ext",
-    "vfs",
-]
 
 [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"
+memofs = { version = "0.3.1", path = "crates/memofs" }
-csv = "1.1.1"
+
-env_logger = "0.7.1"
+# These dependencies can be uncommented when working on rbx-dom simultaneously
-futures = "0.1.29"
+# rbx_binary = { path = "../rbx-dom/rbx_binary", features = [
-globset = "0.4.4"
+#     "unstable_text_format",
-humantime = "1.3.0"
+# ] }
-hyper = "0.12.35"
+# rbx_dom_weak = { path = "../rbx-dom/rbx_dom_weak" }
-jod-thread = "0.1.0"
+# rbx_reflection = { path = "../rbx-dom/rbx_reflection" }
-lazy_static = "1.4.0"
+# rbx_reflection_database = { path = "../rbx-dom/rbx_reflection_database" }
-log = "0.4.8"
+# rbx_xml = { path = "../rbx-dom/rbx_xml" }
-maplit = "1.0.1"
+
-notify = "4.0.14"
+rbx_binary = { version = "2.0.1", features = ["unstable_text_format"] }
-rbx_binary = "0.5.0"
+rbx_dom_weak = "4.1.0"
-rbx_dom_weak = "1.10.1"
+rbx_reflection = "6.1.0"
-rbx_reflection = "3.3.408"
+rbx_reflection_database = "2.0.2"
-rbx_xml = "0.11.3"
+rbx_xml = "2.0.1"
-regex = "1.3.1"
+
-reqwest = "0.9.20"
+anyhow = "1.0.80"
+backtrace = "0.3.69"
+bincode = "1.3.3"
+crossbeam-channel = "0.5.12"
+csv = "1.3.0"
+env_logger = "0.9.3"
+fs-err = "2.11.0"
+futures = "0.3.30"
+globset = "0.4.14"
+humantime = "2.1.0"
+hyper = { version = "0.14.28", features = ["server", "tcp", "http1"] }
+hyper-tungstenite = "0.11.0"
+jod-thread = "0.1.2"
+log = "0.4.21"
+num_cpus = "1.16.0"
+opener = "0.5.2"
+rayon = "1.9.0"
+reqwest = { version = "0.11.24", default-features = false, features = [
+    "blocking",
+    "json",
+    "rustls-tls",
+] }
 ritz = "0.1.0"
-rlua = "0.17.0"
+roblox_install = "1.0.0"
-serde = { version = "1.0", features = ["derive", "rc"] }
+serde = { version = "1.0.197", features = ["derive", "rc"] }
-serde_json = "1.0"
+serde_json = "1.0.145"
-snafu = "0.6.0"
+jsonc-parser = { version = "0.27.0", features = ["serde"] }
-structopt = "0.3.5"
+strum = { version = "0.27", features = ["derive"] }
-termcolor = "1.0.5"
+toml = "0.5.11"
-uuid = { version = "0.8.1", features = ["v4", "serde"] }
+termcolor = "1.4.1"
+thiserror = "1.0.57"
+tokio = { version = "1.36.0", features = ["rt", "rt-multi-thread", "macros"] }
+uuid = { version = "1.7.0", features = ["v4", "serde"] }
+clap = { version = "3.2.25", features = ["derive"] }
+profiling = "1.0.15"
+yaml-rust2 = "0.10.3"
+data-encoding = "2.8.0"
+pathdiff = "0.2.3"
+
+blake3 = "1.5.0"
+float-cmp = "0.9.0"
+indexmap = { version = "2.10.0", features = ["serde"] }
+rmp-serde = "1.3.0"
+serde_bytes = "0.11.19"
 
 [target.'cfg(windows)'.dependencies]
-winreg = "0.6.2"
+winreg = "0.10.1"
+
+[build-dependencies]
+memofs = { version = "0.3.0", path = "crates/memofs" }
+
+embed-resource = "1.8.0"
+anyhow = "1.0.80"
+bincode = "1.3.3"
+fs-err = "2.11.0"
+maplit = "1.0.2"
+semver = "1.0.22"
 
 [dev-dependencies]
-rojo-insta-ext = { path = "rojo-insta-ext" }
+rojo-insta-ext = { path = "crates/rojo-insta-ext" }
 
-criterion = "0.3"
+criterion = "0.3.6"
-insta = { version = "0.13.1", features = ["redactions"] }
+insta = { version = "1.36.1", features = ["redactions", "yaml", "json"] }
-lazy_static = "1.2"
+paste = "1.0.14"
-paste = "0.1"
+pretty_assertions = "1.4.0"
-pretty_assertions = "0.6.1"
+serde_yaml = "0.8.26"
-serde_yaml = "0.8.9"
+tempfile = "3.10.1"
-tempfile = "3.0"
+walkdir = "2.5.0"
-tokio = "0.1.22"
-walkdir = "2.1"

README.md

@@ -1,21 +1,13 @@
 <div align="center">
-    <a href="https://rojo.space">
+    <a href="https://rojo.space"><img src="assets/brand_images/logo-512.png" alt="Rojo" height="217" /></a>
-        <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">
+    <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>
-        <img src="https://github.com/rojo-rbx/rojo/workflows/CI/badge.svg" alt="Actions status" />
+    <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>
+    <a href="https://rojo.space/docs"><img src="https://img.shields.io/badge/docs-website-brightgreen.svg" alt="Rojo Documentation" /></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>
 </div>
 
 <hr />
@@ -34,11 +26,10 @@ 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)
@@ -49,7 +40,7 @@ Check out our [contribution guide](CONTRIBUTING.md) for detailed instructions fo
 
 Pull requests are welcome!
 
-Rojo supports Rust 1.40.0 and newer. The minimum supported version of Rust is based on the latest versions of the dependencies that Rojo has.
+Rojo supports Rust 1.88 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.
+Rojo is available under the terms of the Mozilla Public License, Version 2.0. See [LICENSE.txt](LICENSE.txt) for details.

assets/images/checkbox-off.svg

@@ -0,0 +1,15 @@
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+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
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+    <g transform="matrix(1,0,0,1,-54,-1)">
+        <g id="Artboard3" transform="matrix(1.77778,0,0,1.45455,-42,-0.454545)">
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+                <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/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">
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+    <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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@@ -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>

assets/index.css

@@ -17,6 +17,10 @@ html {
   line-height: 1.4;
 }
 
+body {
+  background-color: #e7e7e7
+}
+
 img {
   max-width:100%;
   max-height:100%;

assets/project-templates/model/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, use:
+
+```bash
+rojo build -o "{project_name}.rbxmx"
+```
+
+For more help, check out [the Rojo documentation](https://rojo.space/docs).

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

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

assets/project-templates/model/gitignore.txt

@@ -0,0 +1,5 @@
+# Roblox Studio lock files
+/*.rbxlx.lock
+/*.rbxl.lock
+
+sourcemap.json

assets/project-templates/model/src/init.luau

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

assets/project-templates/place/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/project-templates/place/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",
+      "Shared": {
-      "Source": {
+        "$path": "src/shared"
-        "$path": "src"
       }
     },
-    "SoundService": {
+
-      "$className": "SoundService",
+    "ServerScriptService": {
-      "$properties": {
+      "Server": {
-        "RespectFilteringEnabled": true
+        "$path": "src/server"
       }
     },
+
+    "StarterPlayer": {
+      "StarterPlayerScripts": {
+        "Client": {
+          "$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/project-templates/place/gitignore.txt

@@ -0,0 +1,8 @@
+# Project place file
+/{project_name}.rbxlx
+
+# Roblox Studio lock files
+/*.rbxlx.lock
+/*.rbxl.lock
+
+sourcemap.json

assets/project-templates/place/src/client/init.client.luau

@@ -0,0 +1 @@
+print("Hello world, from client!")

assets/project-templates/place/src/server/init.server.luau

@@ -0,0 +1 @@
+print("Hello world, from server!")

assets/project-templates/place/src/shared/Hello.luau

@@ -0,0 +1,3 @@
+return function()
+	print("Hello, world!")
+end

assets/project-templates/plugin/README.md

@@ -0,0 +1,17 @@
+# {project_name}
+Generated by [Rojo](https://github.com/rojo-rbx/rojo) {rojo_version}.
+
+## Getting Started
+To build this plugin to your local plugins folder, use:
+
+```bash
+rojo build -p "{project_name}.rbxm"
+```
+
+You can include the `watch` flag to re-build it on save:
+
+```bash
+rojo build -p "{project_name}.rbxm" --watch
+```
+
+For more help, check out [the Rojo documentation](https://rojo.space/docs).

assets/project-templates/plugin/default.project.json

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

assets/project-templates/plugin/gitignore.txt

@@ -0,0 +1,5 @@
+# Plugin model files
+/{project_name}.rbxmx
+/{project_name}.rbxm
+
+sourcemap.json

assets/project-templates/plugin/src/init.server.luau

@@ -0,0 +1 @@
+print("Hello world, from plugin!")

benches/build.rs

@@ -3,7 +3,7 @@ use std::path::Path;
 use criterion::{criterion_group, criterion_main, BatchSize, Criterion};
 use tempfile::{tempdir, TempDir};
 
-use librojo::cli::{build, BuildCommand};
+use librojo::cli::BuildCommand;
 
 pub fn benchmark_small_place(c: &mut Criterion) {
     bench_build_place(c, "Small Place", "test-projects/benchmark_small_place")
@@ -20,7 +20,7 @@ fn bench_build_place(c: &mut Criterion, name: &str, path: &str) {
     group.bench_function("build", |b| {
         b.iter_batched(
             || place_setup(path),
-            |(_dir, options)| build(options).unwrap(),
+            |(_dir, options)| options.run().unwrap(),
             BatchSize::SmallInput,
         )
     });
@@ -31,10 +31,12 @@ fn bench_build_place(c: &mut Criterion, name: &str, path: &str) {
 fn place_setup<P: AsRef<Path>>(input_path: P) -> (TempDir, BuildCommand) {
     let dir = tempdir().unwrap();
     let input = input_path.as_ref().to_path_buf();
-    let output = dir.path().join("output.rbxlx");
+    let output = Some(dir.path().join("output.rbxlx"));
 
     let options = BuildCommand {
         project: input,
+        watch: false,
+        plugin: None,
         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 +1,93 @@
+use std::{
+    env, io,
+    path::{Path, PathBuf},
+};
+
+use fs_err as fs;
+use fs_err::File;
+use maplit::hashmap;
+use memofs::VfsSnapshot;
+use semver::Version;
+
+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();
+
+            if file_name.starts_with(".git") {
+                continue;
+            }
+
+            // We can skip any TestEZ test files since they aren't necessary for
+            // the plugin to run.
+            if file_name.ends_with(".spec.lua") || file_name.ends_with(".spec.luau") {
+                continue;
+            }
+
+            // Ignore images in msgpack-luau because they aren't UTF-8 encoded.
+            if file_name.ends_with(".png") {
+                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 = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
+    let plugin_dir = root_dir.join("plugin");
+    let templates_dir = root_dir.join("assets").join("project-templates");
+
+    let our_version = Version::parse(env::var_os("CARGO_PKG_VERSION").unwrap().to_str().unwrap())?;
+    let plugin_version =
+        Version::parse(fs::read_to_string(plugin_dir.join("Version.txt"))?.trim())?;
+
+    assert_eq!(
+        our_version, plugin_version,
+        "plugin version does not match Cargo version"
+    );
+
+    let template_snapshot = snapshot_from_fs_path(&templates_dir)?;
+
+    let plugin_snapshot = VfsSnapshot::dir(hashmap! {
+        "default.project.json" => snapshot_from_fs_path(&root_dir.join("plugin.project.json"))?,
+        "plugin" => VfsSnapshot::dir(hashmap! {
+            "fmt" => snapshot_from_fs_path(&plugin_dir.join("fmt"))?,
+            "http" => snapshot_from_fs_path(&plugin_dir.join("http"))?,
+            "log" => snapshot_from_fs_path(&plugin_dir.join("log"))?,
+            "rbx_dom_lua" => snapshot_from_fs_path(&plugin_dir.join("rbx_dom_lua"))?,
+            "src" => snapshot_from_fs_path(&plugin_dir.join("src"))?,
+            "Packages" => snapshot_from_fs_path(&plugin_dir.join("Packages"))?,
+            "Version.txt" => snapshot_from_fs_path(&plugin_dir.join("Version.txt"))?,
+            "UploadDetails.json" => snapshot_from_fs_path(&plugin_dir.join("UploadDetails.json"))?,
+        }),
+    });
+
+    let template_file = File::create(Path::new(&out_dir).join("templates.bincode"))?;
+    let plugin_file = File::create(Path::new(&out_dir).join("plugin.bincode"))?;
+
+    bincode::serialize_into(plugin_file, &plugin_snapshot)?;
+    bincode::serialize_into(template_file, &template_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 +1,33 @@
+# memofs Changelog
+
+## Unreleased Changes
+* Added `Vfs::canonicalize`. [#1201]
+
+## 0.3.1 (2025-11-27)
+* Added `Vfs::exists`. [#1169]
+* Added `create_dir` and `create_dir_all` to allow creating directories. [#937]
+
+[#1169]: https://github.com/rojo-rbx/rojo/pull/1169
+[#937]: https://github.com/rojo-rbx/rojo/pull/937
+
+## 0.3.0 (2024-03-15)
+* Changed `StdBackend` file watching component to use minimal recursive watches. [#830]
+* Added `Vfs::read_to_string` and `Vfs::read_to_string_lf_normalized` [#854]
+
+[#830]: https://github.com/rojo-rbx/rojo/pull/830
+[#854]: https://github.com/rojo-rbx/rojo/pull/854
+
+## 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 +1,24 @@
+[package]
+name = "memofs"
+description = "Virtual filesystem with configurable backends."
+version = "0.3.1"
+authors = [
+    "Lucien Greathouse <me@lpghatguy.com>",
+    "Micah Reid <git@dekkonot.com>",
+    "Ken Loeffler <kenloef@gmail.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 = "0.5.12"
+fs-err = "2.11.0"
+notify = "4.0.17"
+serde = { version = "1.0.197", features = ["derive"] }
+
+[dev-dependencies]
+tempfile = "3.10.1"

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 +1,296 @@
+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();
+    }
+}
+
+impl Default for InMemoryFs {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+#[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 exists(&mut self, path: &Path) -> io::Result<bool> {
+        let inner = self.inner.lock().unwrap();
+        Ok(inner.entries.contains_key(path))
+    }
+
+    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 create_dir(&mut self, path: &Path) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+        inner.load_snapshot(path.to_path_buf(), VfsSnapshot::empty_dir())
+    }
+
+    fn create_dir_all(&mut self, path: &Path) -> io::Result<()> {
+        let mut inner = self.inner.lock().unwrap();
+        let mut path_buf = path.to_path_buf();
+        while let Some(parent) = path_buf.parent() {
+            inner.load_snapshot(parent.to_path_buf(), VfsSnapshot::empty_dir())?;
+            path_buf.pop();
+        }
+        inner.load_snapshot(path.to_path_buf(), VfsSnapshot::empty_dir())
+    }
+
+    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),
+        }
+    }
+
+    // TODO: We rely on Rojo to prepend cwd to any relative path before storing paths
+    // in MemoFS. The current implementation will error if no prepended absolute path
+    // is found. It really only normalizes paths within the provided path's context.
+    // Example: "/Users/username/project/../other/file.txt" ->
+    // "/Users/username/other/file.txt"
+    // Erroneous example: "/Users/../../other/file.txt" -> "/other/file.txt"
+    // This is not very robust. We should implement proper path normalization here or otherwise
+    // warn if we are missing context and can not fully canonicalize the path correctly.
+    fn canonicalize(&mut self, path: &Path) -> io::Result<PathBuf> {
+        let mut normalized = PathBuf::new();
+        for component in path.components() {
+            match component {
+                std::path::Component::ParentDir => {
+                    normalized.pop();
+                }
+                std::path::Component::CurDir => {}
+                _ => normalized.push(component),
+            }
+        }
+
+        let inner = self.inner.lock().unwrap();
+        match inner.entries.get(&normalized) {
+            Some(_) => Ok(normalized),
+            None => not_found(&normalized),
+        }
+    }
+
+    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::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::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

@@ -1,13 +1,32 @@
-mod memory_backend;
+/*!
+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};
+use std::{io, str};
 
-pub use memory_backend::MemoryBackend;
+pub use in_memory_fs::InMemoryFs;
 pub use noop_backend::NoopBackend;
 pub use snapshot::VfsSnapshot;
 pub use std_backend::StdBackend;
@@ -18,9 +37,9 @@ mod sealed {
     /// Sealing trait for VfsBackend.
     pub trait Sealed {}
 
-    impl Sealed for MemoryBackend {}
     impl Sealed for NoopBackend {}
     impl Sealed for StdBackend {}
+    impl Sealed for InMemoryFs {}
 }
 
 /// Trait that transforms `io::Result<T>` into `io::Result<Option<T>>`.
@@ -51,10 +70,14 @@ impl<T> IoResultExt<T> for io::Result<T> {
 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 exists(&mut self, path: &Path) -> io::Result<bool>;
     fn read_dir(&mut self, path: &Path) -> io::Result<ReadDir>;
+    fn create_dir(&mut self, path: &Path) -> io::Result<()>;
+    fn create_dir_all(&mut self, path: &Path) -> io::Result<()>;
     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 canonicalize(&mut self, path: &Path) -> io::Result<PathBuf>;
 
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent>;
     fn watch(&mut self, path: &Path) -> io::Result<()>;
@@ -107,6 +130,8 @@ impl Metadata {
     }
 }
 
+/// Represents an event that a filesystem can raise that might need to be
+/// handled.
 #[derive(Debug)]
 #[non_exhaustive]
 pub enum VfsEvent {
@@ -119,16 +144,44 @@ pub enum VfsEvent {
 /// 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)?;
-        self.backend.watch(path)?;
+
+        if self.watch_enabled {
+            self.backend.watch(path)?;
+        }
+
         Ok(Arc::new(contents))
     }
 
+    fn read_to_string<P: AsRef<Path>>(&mut self, path: P) -> io::Result<Arc<String>> {
+        let path = path.as_ref();
+        let contents = self.backend.read(path)?;
+
+        if self.watch_enabled {
+            self.backend.watch(path)?;
+        }
+
+        let contents_str = str::from_utf8(&contents).map_err(|_| {
+            io::Error::new(
+                io::ErrorKind::InvalidData,
+                format!("File was not valid UTF-8: {}", path.display()),
+            )
+        })?;
+
+        Ok(Arc::new(contents_str.into()))
+    }
+
+    fn exists<P: AsRef<Path>>(&mut self, path: P) -> io::Result<bool> {
+        let path = path.as_ref();
+        self.backend.exists(path)
+    }
+
     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();
@@ -138,10 +191,24 @@ impl VfsInner {
     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)?;
-        self.backend.watch(path)?;
+
+        if self.watch_enabled {
+            self.backend.watch(path)?;
+        }
+
         Ok(dir)
     }
 
+    fn create_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.backend.create_dir(path)
+    }
+
+    fn create_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.backend.create_dir_all(path)
+    }
+
     fn remove_file<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
         let path = path.as_ref();
         let _ = self.backend.unwatch(path);
@@ -159,16 +226,18 @@ impl VfsInner {
         self.backend.metadata(path)
     }
 
+    fn canonicalize<P: AsRef<Path>>(&mut self, path: P) -> io::Result<PathBuf> {
+        let path = path.as_ref();
+        self.backend.canonicalize(path)
+    }
+
     fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
         self.backend.event_receiver()
     }
 
     fn commit_event(&mut self, event: &VfsEvent) -> io::Result<()> {
-        match event {
+        if let VfsEvent::Remove(path) = event {
-            VfsEvent::Remove(path) => {
+            let _ = self.backend.unwatch(path);
-                let _ = self.backend.unwatch(&path);
-            }
-            _ => {}
         }
 
         Ok(())
@@ -176,6 +245,10 @@ impl VfsInner {
 }
 
 /// 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>,
 }
@@ -190,6 +263,7 @@ impl Vfs {
     pub fn new<B: VfsBackend>(backend: B) -> Self {
         let lock = VfsInner {
             backend: Box::new(backend),
+            watch_enabled: true,
         };
 
         Self {
@@ -197,12 +271,23 @@ impl Vfs {
         }
     }
 
+    /// 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.
     ///
@@ -215,6 +300,33 @@ impl Vfs {
         self.inner.lock().unwrap().read(path)
     }
 
+    /// Read a file from the VFS (or from the underlying backend if it isn't
+    /// resident) into a string.
+    ///
+    /// Roughly equivalent to [`std::fs::read_to_string`][std::fs::read_to_string].
+    ///
+    /// [std::fs::read_to_string]: https://doc.rust-lang.org/stable/std/fs/fn.read_to_string.html
+    #[inline]
+    pub fn read_to_string<P: AsRef<Path>>(&self, path: P) -> io::Result<Arc<String>> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().read_to_string(path)
+    }
+
+    /// Read a file from the VFS (or the underlying backend if it isn't
+    /// resident) into a string, and normalize its line endings to LF.
+    ///
+    /// Roughly equivalent to [`std::fs::read_to_string`][std::fs::read_to_string], but also performs
+    /// line ending normalization.
+    ///
+    /// [std::fs::read_to_string]: https://doc.rust-lang.org/stable/std/fs/fn.read_to_string.html
+    #[inline]
+    pub fn read_to_string_lf_normalized<P: AsRef<Path>>(&self, path: P) -> io::Result<Arc<String>> {
+        let path = path.as_ref();
+        let contents = self.inner.lock().unwrap().read_to_string(path)?;
+
+        Ok(contents.replace("\r\n", "\n").into())
+    }
+
     /// Write a file to the VFS and the underlying backend.
     ///
     /// Roughly equivalent to [`std::fs::write`][std::fs::write].
@@ -238,6 +350,42 @@ impl Vfs {
         self.inner.lock().unwrap().read_dir(path)
     }
 
+    /// Return whether the given path exists.
+    ///
+    /// Roughly equivalent to [`std::fs::exists`][std::fs::exists].
+    ///
+    /// [std::fs::exists]: https://doc.rust-lang.org/stable/std/fs/fn.exists.html
+    #[inline]
+    pub fn exists<P: AsRef<Path>>(&self, path: P) -> io::Result<bool> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().exists(path)
+    }
+
+    /// Creates a directory at the provided location.
+    ///
+    /// Roughly equivalent to [`std::fs::create_dir`][std::fs::create_dir].
+    /// Similiar to that function, this function will fail if the parent of the
+    /// path does not exist.
+    ///
+    /// [std::fs::create_dir]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir.html
+    #[inline]
+    pub fn create_dir<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().create_dir(path)
+    }
+
+    /// Creates a directory at the provided location, recursively creating
+    /// all parent components if they are missing.
+    ///
+    /// Roughly equivalent to [`std::fs::create_dir_all`][std::fs::create_dir_all].
+    ///
+    /// [std::fs::create_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir_all.html
+    #[inline]
+    pub fn create_dir_all<P: AsRef<Path>>(&self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().create_dir_all(path)
+    }
+
     /// Remove a file.
     ///
     /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
@@ -271,6 +419,19 @@ impl Vfs {
         self.inner.lock().unwrap().metadata(path)
     }
 
+    /// Normalize a path via the underlying backend.
+    ///
+    /// Roughly equivalent to [`std::fs::canonicalize`][std::fs::canonicalize]. Relative paths are
+    /// resolved against the backend's current working directory (if applicable) and errors are
+    /// surfaced directly from the backend.
+    ///
+    /// [std::fs::canonicalize]: https://doc.rust-lang.org/stable/std/fs/fn.canonicalize.html
+    #[inline]
+    pub fn canonicalize<P: AsRef<Path>>(&self, path: P) -> io::Result<PathBuf> {
+        let path = path.as_ref();
+        self.inner.lock().unwrap().canonicalize(path)
+    }
+
     /// Retrieve a handle to the event receiver for this `Vfs`.
     #[inline]
     pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
@@ -284,12 +445,23 @@ impl Vfs {
     }
 }
 
-/// A locked handle to a `Vfs`, created by `Vfs::lock`.
+/// 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.
     ///
@@ -329,6 +501,31 @@ impl VfsLock<'_> {
         self.inner.read_dir(path)
     }
 
+    /// Creates a directory at the provided location.
+    ///
+    /// Roughly equivalent to [`std::fs::create_dir`][std::fs::create_dir].
+    /// Similiar to that function, this function will fail if the parent of the
+    /// path does not exist.
+    ///
+    /// [std::fs::create_dir]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir.html
+    #[inline]
+    pub fn create_dir<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.create_dir(path)
+    }
+
+    /// Creates a directory at the provided location, recursively creating
+    /// all parent components if they are missing.
+    ///
+    /// Roughly equivalent to [`std::fs::create_dir_all`][std::fs::create_dir_all].
+    ///
+    /// [std::fs::create_dir_all]: https://doc.rust-lang.org/stable/std/fs/fn.create_dir_all.html
+    #[inline]
+    pub fn create_dir_all<P: AsRef<Path>>(&mut self, path: P) -> io::Result<()> {
+        let path = path.as_ref();
+        self.inner.create_dir_all(path)
+    }
+
     /// Remove a file.
     ///
     /// Roughly equivalent to [`std::fs::remove_file`][std::fs::remove_file].
@@ -362,6 +559,13 @@ impl VfsLock<'_> {
         self.inner.metadata(path)
     }
 
+    /// Normalize a path via the underlying backend.
+    #[inline]
+    pub fn normalize<P: AsRef<Path>>(&mut self, path: P) -> io::Result<PathBuf> {
+        let path = path.as_ref();
+        self.inner.canonicalize(path)
+    }
+
     /// Retrieve a handle to the event receiver for this `Vfs`.
     #[inline]
     pub fn event_receiver(&self) -> crossbeam_channel::Receiver<VfsEvent> {
@@ -374,3 +578,83 @@ impl VfsLock<'_> {
         self.inner.commit_event(event)
     }
 }
+
+#[cfg(test)]
+mod test {
+    use crate::{InMemoryFs, StdBackend, Vfs, VfsSnapshot};
+    use std::io;
+    use std::path::PathBuf;
+
+    /// https://github.com/rojo-rbx/rojo/issues/899
+    #[test]
+    fn read_to_string_lf_normalized_keeps_trailing_newline() {
+        let mut imfs = InMemoryFs::new();
+        imfs.load_snapshot("test", VfsSnapshot::file("bar\r\nfoo\r\n\r\n"))
+            .unwrap();
+
+        let vfs = Vfs::new(imfs);
+
+        assert_eq!(
+            vfs.read_to_string_lf_normalized("test").unwrap().as_str(),
+            "bar\nfoo\n\n"
+        );
+    }
+
+    /// https://github.com/rojo-rbx/rojo/issues/1200
+    #[test]
+    fn canonicalize_in_memory_success() {
+        let mut imfs = InMemoryFs::new();
+        let contents = "Lorem ipsum dolor sit amet.".to_string();
+
+        imfs.load_snapshot("/test/file.txt", VfsSnapshot::file(contents.to_string()))
+            .unwrap();
+
+        let vfs = Vfs::new(imfs);
+
+        assert_eq!(
+            vfs.canonicalize("/test/nested/../file.txt").unwrap(),
+            PathBuf::from("/test/file.txt")
+        );
+        assert_eq!(
+            vfs.read_to_string(vfs.canonicalize("/test/nested/../file.txt").unwrap())
+                .unwrap()
+                .to_string(),
+            contents.to_string()
+        );
+    }
+
+    #[test]
+    fn canonicalize_in_memory_missing_errors() {
+        let imfs = InMemoryFs::new();
+        let vfs = Vfs::new(imfs);
+
+        let err = vfs.canonicalize("test").unwrap_err();
+        assert_eq!(err.kind(), io::ErrorKind::NotFound);
+    }
+
+    #[test]
+    fn canonicalize_std_backend_success() {
+        let contents = "Lorem ipsum dolor sit amet.".to_string();
+        let dir = tempfile::tempdir().unwrap();
+        let file_path = dir.path().join("file.txt");
+        fs_err::write(&file_path, contents.to_string()).unwrap();
+
+        let vfs = Vfs::new(StdBackend::new());
+        let canonicalized = vfs.canonicalize(&file_path).unwrap();
+        assert_eq!(canonicalized, file_path.canonicalize().unwrap());
+        assert_eq!(
+            vfs.read_to_string(&canonicalized).unwrap().to_string(),
+            contents.to_string()
+        );
+    }
+
+    #[test]
+    fn canonicalize_std_backend_missing_errors() {
+        let dir = tempfile::tempdir().unwrap();
+        let file_path = dir.path().join("test");
+
+        let vfs = Vfs::new(StdBackend::new());
+        let err = vfs.canonicalize(&file_path).unwrap_err();
+        assert_eq!(err.kind(), io::ErrorKind::NotFound);
+    }
+}

crates/memofs/src/noop_backend.rs

@@ -0,0 +1,74 @@
+use std::io;
+use std::path::{Path, PathBuf};
+
+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::other("NoopBackend doesn't do anything"))
+    }
+
+    fn write(&mut self, _path: &Path, _data: &[u8]) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn exists(&mut self, _path: &Path) -> io::Result<bool> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn read_dir(&mut self, _path: &Path) -> io::Result<ReadDir> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn create_dir(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn create_dir_all(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn remove_file(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn remove_dir_all(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn metadata(&mut self, _path: &Path) -> io::Result<Metadata> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+
+    fn canonicalize(&mut self, _path: &Path) -> io::Result<PathBuf> {
+        Err(io::Error::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::other("NoopBackend doesn't do anything"))
+    }
+
+    fn unwatch(&mut self, _path: &Path) -> io::Result<()> {
+        Err(io::Error::other("NoopBackend doesn't do anything"))
+    }
+}
+
+impl Default for NoopBackend {
+    fn default() -> Self {
+        Self::new()
+    }
+}

crates/memofs/src/snapshot.rs

@@ -1,5 +1,9 @@
+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 {
@@ -26,4 +30,16 @@ impl VfsSnapshot {
                 .collect(),
         }
     }
+
+    pub fn empty_file() -> Self {
+        Self::File {
+            contents: Vec::new(),
+        }
+    }
+
+    pub fn empty_dir() -> Self {
+        Self::Dir {
+            children: BTreeMap::new(),
+        }
+    }
 }