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Pull Request の差分に対して swift-format でフォーマットして commit & push する GitHub Actions の設定
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| # Pull Request の差分に対して swift-format でフォーマットして commit & push | |
| name: swift-format | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - "**/*.swift" | |
| defaults: | |
| run: | |
| shell: bash -euo pipefail {0} | |
| concurrency: # 自動キャンセル | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| format: | |
| runs-on: macos-14 | |
| steps: | |
| - name: Install swift-format | |
| run: | | |
| brew install swift-format | |
| - name: PR commits + 1 | |
| id: pre_fetch_depth | |
| run: echo "depth=$(( ${{ github.event.pull_request.commits }} + 1 ))" >> "${GITHUB_OUTPUT}" | |
| - name: Checkout PR branch and all PR commits | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.event.pull_request.head.ref }} | |
| fetch-depth: ${{ steps.pre_fetch_depth.outputs.depth }} # (PR の commits + 1) 個 checkout する | |
| - name: Find swift files to format | |
| run: | | |
| SWIFT_FILES=() | |
| while IFS="" read -r file; do SWIFT_FILES+=("${file}"); done < <(git diff --name-only --diff-filter=AMRC ${{ github.event.pull_request.base.sha }} -- "*.swift") | |
| if [ "${#SWIFT_FILES[@]}" -eq 0 ]; then | |
| echo "No changes to format" | |
| else | |
| swift-format format --in-place --configuration .swift-format.json --parallel "${SWIFT_FILES[@]}" || true | |
| fi | |
| - name: Commit and Push changes | |
| env: | |
| HEAD_REF: ${{ github.head_ref }} | |
| run: | | |
| git config --local user.name "github-actions[bot]" | |
| git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com" | |
| git add . | |
| if git commit -m "[GitHub Actions] swift-format"; then | |
| echo "Changes committed, pushing to repository..." | |
| git push origin HEAD:"${HEAD_REF}" | |
| else | |
| echo "No changes to commit" | |
| fi |
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