update-copilot-dependency.yml

name: "Update @github/copilot Dependency"

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Target version of @github/copilot (e.g. 0.0.420)'
        required: true
        type: string

permissions:
  contents: write
  pull-requests: write

jobs:
  update:
    name: "Update @github/copilot to ${{ inputs.version }}"
    runs-on: ubuntu-latest
    steps:
      - name: Validate version input
        env:
          VERSION: ${{ inputs.version }}
        run: |
          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9._-]+)?$ ]]; then
            echo "::error::Invalid version format '$VERSION'. Expected semver (e.g. 0.0.420)."
            exit 1
          fi

      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 22

      - uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - uses: actions/setup-dotnet@v5
        with:
          dotnet-version: "10.0.x"

      # Rust generator runs `cargo fmt` on its output under stable rustfmt;
      # nightly rustfmt is needed for unstable format options (group_imports,
      # imports_granularity, reorder_impl_items) pinned in
      # `rust/.rustfmt.nightly.toml`. See codegen-check.yml for the same step.
      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: "1.94.0"
          components: rustfmt

      - name: Install nightly rustfmt
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly-2026-04-14
          components: rustfmt

      - name: Update @github/copilot in nodejs
        env:
          VERSION: ${{ inputs.version }}
        working-directory: ./nodejs
        run: npm install "@github/copilot@$VERSION"

      - name: Update @github/copilot in test harness
        env:
          VERSION: ${{ inputs.version }}
        working-directory: ./test/harness
        run: npm install "@github/copilot@$VERSION"

      - name: Refresh nodejs/samples lockfile
        working-directory: ./nodejs/samples
        run: npm install

      - name: Install codegen dependencies
        working-directory: ./scripts/codegen
        run: npm ci

      - name: Run codegen
        working-directory: ./scripts/codegen
        run: npm run generate

      - name: Format generated code
        run: |
          cd nodejs && npx prettier --write "src/generated/**/*.ts"
          cd ../dotnet && dotnet format src/GitHub.Copilot.SDK.csproj
          cd ../rust && cargo +nightly-2026-04-14 fmt --all -- --config-path .rustfmt.nightly.toml

      - name: Create pull request
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          VERSION: ${{ inputs.version }}
        run: |
          BRANCH="update-copilot-$VERSION"
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          if git rev-parse --verify "origin/$BRANCH" >/dev/null 2>&1; then
            git fetch origin "$BRANCH"
            git checkout "$BRANCH"
            git reset --hard "origin/$BRANCH"
          else
            git checkout -b "$BRANCH"
          fi

          git add -A

          if git diff --cached --quiet; then
            echo "No changes detected; skipping commit and PR creation."
            exit 0
          fi

          git commit -m "Update @github/copilot to $VERSION

          - Updated nodejs and test harness dependencies
          - Re-ran code generators
          - Formatted generated code"
          git push origin "$BRANCH" --force-with-lease

          PR_STATE="$(gh pr view "$BRANCH" --json state --jq '.state' 2>/dev/null || echo "")"
          if [ "$PR_STATE" = "OPEN" ]; then
            if [ "$(gh pr view "$BRANCH" --json isDraft --jq '.isDraft')" = "false" ]; then
              gh pr ready "$BRANCH" --undo
              echo "Pull request for branch '$BRANCH' already existed and was moved back to draft after updating the branch."
            else
              echo "Pull request for branch '$BRANCH' already exists and is already a draft; updated branch only."
            fi
          else
            gh pr create \
              --draft \
              --title "Update @github/copilot to $VERSION" \
              --body "Automated update of \`@github/copilot\` to version \`$VERSION\`.

          ### Changes
          - Updated \`@github/copilot\` in \`nodejs/package.json\` and \`test/harness/package.json\`
          - Re-ran all code generators (\`scripts/codegen\`)
          - Formatted generated output

          ### Next steps
          When ready, click **Ready for review** to trigger CI checks.

          > Created by the **Update @github/copilot Dependency** workflow." \
              --base main \
              --head "$BRANCH"
          fi