Refactor to use composite action to initialize

Author: ntkme

.github/util/initialize/action.yml

@@ -17,20 +17,48 @@ runs:
       with:
         node-version: "${{ inputs.node-version }}"
 
+    # See: https://github.com/dart-lang/sdk/issues/52266
+    - run: Invoke-WebRequest https://pub.dev
+      if: runner.os == 'Windows'
+      shell: pwsh
+
+    # See: https://github.com/orgs/community/discussions/131594
+    # The composite action requires an explict shell, but bash is not available on windows-arm64 runner.
+    # For the following commands conditionally use bash or pwsh based on the runner.os:
     - run: dart pub get
+      if: runner.os != 'Windows'
       shell: bash
 
+    - run: dart pub get
+      if: runner.os == 'Windows'
+      shell: pwsh
+
     - run: npm install
+      if: runner.os != 'Windows'
       shell: bash
 
+    - run: npm install
+      if: runner.os == 'Windows'
+      shell: pwsh
+
     - uses: bufbuild/[email protected]
       with: {github_token: "${{ inputs.github-token }}"}
 
     - name: Check out the language repo
+      if: github.event_name == 'pull_request'
       uses: sass/clone-linked-repo@v1
       with: {repo: sass/sass, path: build/language}
 
     - name: Generate Dart from protobuf
+      if: runner.os != 'Windows'
       run: dart run grinder protobuf
-      env: {UPDATE_SASS_SASS_REPO: false}
+      env:
+        UPDATE_SASS_SASS_REPO: ${{ github.event_name == 'pull_request' && 'false' || 'true' }}
       shell: bash
+
+    - name: Generate Dart from protobuf
+      if: runner.os == 'Windows'
+      run: dart run grinder protobuf
+      env:
+        UPDATE_SASS_SASS_REPO: ${{ github.event_name == 'pull_request' && 'false' || 'true' }}
+      shell: pwsh

.github/workflows/build-windows.yml

@@ -24,26 +24,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # See: https://github.com/orgs/community/discussions/131594
-      # The composite action requires bash which is not available on windows-arm64 runner.
-      # - uses: ./.github/util/initialize
-      #   with: {github-token: "${{ github.token }}"}
-
-      - uses: dart-lang/setup-dart@v1
-
-      - uses: bufbuild/[email protected]
-        with: {github_token: "${{ github.token }}"}
-
-      # See: https://github.com/dart-lang/sdk/issues/52266
-      - name: Setup Root CA
-        shell: pwsh
-        run: Invoke-WebRequest https://pub.dev
-
-      - name: Install Dependencies
-        run: dart pub get
-
-      - name: Compile Protobuf
-        run: dart run grinder protobuf
+      - uses: ./.github/util/initialize
+        with: {github-token: "${{ github.token }}"}
 
       - name: Build
         run: dart run grinder pkg-standalone-windows-${{ matrix.arch }}