ci: add bun macos arm64 dmg build

.github/workflows/build-macos-arm64-dmg-bun.yml

@@ -0,0 +1,151 @@
+name: Build macOS ARM64 DMG (Bun)
+
+on:
+  workflow_dispatch:
+    inputs:
+      upload_to_release:
+        description: "Upload DMG to an existing GitHub release/tag"
+        required: false
+        default: "false"
+        type: choice
+        options:
+          - "false"
+          - "true"
+      tag_name:
+        description: "Release tag to upload to when upload_to_release=true"
+        required: false
+        default: ""
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/build-macos-arm64-dmg-bun.yml"
+      - "desktop/**"
+
+permissions:
+  contents: write
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUST_BACKTRACE: short
+  NODE_OPTIONS: "--max_old_space_size=4096"
+
+defaults:
+  run:
+    working-directory: desktop
+
+concurrency:
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  build-macos-arm64-dmg:
+    name: Build DMG (aarch64-apple-darwin)
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: aarch64-apple-darwin
+
+      - name: Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          prefix-key: "v1"
+          key: "macos-14-aarch64-apple-darwin-bun-dmg"
+          workspaces: desktop/src-tauri -> target
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      # The client has local `link:` dependencies. Bun 1.3 cannot install those
+      # from the existing pnpm lockfile yet, so pnpm remains the install/link
+      # layer while Bun drives the final build command.
+      - uses: pnpm/action-setup@v4
+        with:
+          run_install: false
+
+      - name: Get linked dependency versions
+        id: dep-versions
+        shell: bash
+        run: |
+          SM_SHA=$(git -C libs/stream-monaco rev-parse HEAD)
+          MS_SHA=$(git -C libs/markstream-vue rev-parse HEAD)
+          echo "cache-key=${{ runner.os }}-aarch64-apple-darwin-bun-linked-deps-${SM_SHA:0:12}-${MS_SHA:0:12}" >> "$GITHUB_OUTPUT"
+
+      - name: Cache linked dependencies
+        id: cache-linked-deps
+        uses: actions/cache@v4
+        with:
+          path: |
+            desktop/libs/stream-monaco/node_modules
+            desktop/libs/stream-monaco/dist
+            desktop/libs/markstream-vue/node_modules
+            desktop/libs/markstream-vue/packages/markdown-parser/node_modules
+            desktop/libs/markstream-vue/packages/markdown-parser/dist
+            desktop/libs/markstream-vue/packages/markstream-react/node_modules
+            desktop/libs/markstream-vue/packages/markstream-react/dist
+          key: ${{ steps.dep-versions.outputs.cache-key }}
+
+      - name: Build linked dependencies
+        if: steps.cache-linked-deps.outputs.cache-hit != 'true'
+        shell: bash
+        run: |
+          pnpm --dir libs/stream-monaco install --frozen-lockfile
+          pnpm --dir libs/stream-monaco build
+
+          pnpm --dir libs/markstream-vue install --frozen-lockfile
+          pnpm --dir libs/markstream-vue run build:parser
+          pnpm --dir libs/markstream-vue/packages/markstream-react build
+
+      - name: Install client dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build macOS ARM64 DMG with Bun
+        env:
+          APPLE_SIGNING_IDENTITY: "-"
+          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
+          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
+        run: |
+          bun run tauri build --target aarch64-apple-darwin --bundles dmg
+
+      - name: Collect DMG
+        id: collect
+        shell: bash
+        run: |
+          mkdir -p dist/macos-arm64
+          shopt -s nullglob
+          files=(src-tauri/target/aarch64-apple-darwin/release/bundle/dmg/*.dmg)
+          if (( ${#files[@]} == 0 )); then
+            echo "No DMG found under src-tauri/target/aarch64-apple-darwin/release/bundle/dmg" >&2
+            exit 1
+          fi
+          for file in "${files[@]}"; do
+            cp "$file" "dist/macos-arm64/"
+          done
+          echo "dmg-path=dist/macos-arm64" >> "$GITHUB_OUTPUT"
+          ls -lh dist/macos-arm64
+
+      - name: Upload DMG artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: BoosAPI-Desktop-macos-arm64-dmg
+          path: desktop/dist/macos-arm64/*.dmg
+          if-no-files-found: error
+
+      - name: Upload DMG to release
+        if: ${{ inputs.upload_to_release == 'true' && inputs.tag_name != '' }}
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ inputs.tag_name }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+          files: desktop/dist/macos-arm64/*.dmg