Feature: provide automated PR reviews for linting related changes #6
Workflow file for this run
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| name: Add lint reviews to PRs | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - .nvmrc | |
| - "**/*.md" | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| lint-docs: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - name: Get changed files | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| BASE_SHA: ${{ github.event.pull_request.base.sha }} | |
| HEAD_SHA: ${{ github.event.pull_request.head.sha }} | |
| run: | | |
| # Use the GitHub API to get the list of changed files | |
| # documentation: https://docs.github.com/rest/commits/commits#compare-two-commits | |
| DIFF_DOCUMENTS=$(gh api repos/{owner}/{repo}/compare/${{ env.BASE_SHA }}...${{ env.HEAD_SHA }} \ | |
| --jq '.files | .[] | select(.status|IN("added", "modified", "renamed", "copied", "changed")) | .filename') | |
| # filter out files that are not markdown | |
| DIFF_DOCUMENTS=$(echo "${DIFF_DOCUMENTS}" | egrep -i "^files/.*\.md$" | xargs) | |
| echo "DIFF_DOCUMENTS=${DIFF_DOCUMENTS}" >> $GITHUB_ENV | |
| - name: Setup Node.js environment | |
| uses: actions/setup-node@v3 | |
| with: | |
| node-version-file: ".nvmrc" | |
| cache: yarn | |
| - name: Install all yarn packages | |
| run: yarn --frozen-lockfile | |
| env: | |
| # https://github.com/microsoft/vscode-ripgrep#github-api-limit-note | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Lint and format markdown files | |
| run: | | |
| #echo "::add-matcher::.github/workflows/markdownlint-problem-matcher.json" | |
| echo "Running markdownlint --fix" | |
| files_to_lint="${{ env.DIFF_DOCUMENTS }}" | |
| MD_LINT_STATUS=0 | |
| MD_LINT_LOG=$(yarn markdownlint-cli2 --fix ${files_to_lint} 2>&1) || MD_LINT_STATUS=1 | |
| echo "MD_LINT_LOG<<EOF" >> $GITHUB_ENV | |
| echo "${MD_LINT_LOG}" >> $GITHUB_ENV | |
| echo "EOF" >> $GITHUB_ENV | |
| echo "MD_LINT_STATUS=${MD_LINT_STATUS}" >> $GITHUB_ENV | |
| echo "Linting front-matter" | |
| FM_LINT_STATUS=0 | |
| FM_LINT_LOG=$(node scripts/front-matter_linter.js --fix true ${files_to_lint} 2>&1) || FM_LINT_STATUS=1 | |
| echo "FM_LINT_LOG<<EOF" >> $GITHUB_ENV | |
| echo "${FM_LINT_LOG}" >> $GITHUB_ENV | |
| echo "EOF" >> $GITHUB_ENV | |
| echo "FM_LINT_STATUS=${FM_LINT_STATUS}" >> $GITHUB_ENV | |
| echo "Running Prettier" | |
| yarn prettier -w ${files_to_lint} | |
| - name: Setup reviewdog | |
| uses: reviewdog/action-setup@v1 | |
| with: | |
| reviewdog_version: latest | |
| - name: Suggest changes using diff | |
| env: | |
| REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| TMPFILE=$(mktemp) | |
| git diff >"${TMPFILE}" | |
| git stash -u && git stash drop | |
| reviewdog \ | |
| -name="mdn-linter" \ | |
| -f=diff \ | |
| -f.diff.strip=1 \ | |
| -reporter=github-pr-review < "${TMPFILE}" | |
| - name: Add reviews for markdonwlint errors | |
| if: env.MD_LINT_STATUS == '1' | |
| env: | |
| REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| echo "${{ env.MD_LINT_LOG }}" | \ | |
| reviewdog \ | |
| -efm="%f:%l:%c %m" \ | |
| -efm="%f:%l %m" \ | |
| -name="markdownlint" \ | |
| -diff="git diff" \ | |
| -reporter="github-pr-review" | |
| - name: Log and fail if front-matter linter fails | |
| if: env.FM_LINT_STATUS == '1' | |
| run: | | |
| echo "${{ env.FM_LINT_LOG }}" | |
| exit 1 |