👷 Validate PR Title Length #27
Workflow file for this run
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| name: Validate PRs | |
| on: | |
| pull_request: | |
| types: [opened, edited, synchronize, reopened] | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| env: | |
| # https://cbea.ms/git-commit/#limit-50 | |
| MAX_PR_TITLE_LENGTH: 50 | |
| jobs: | |
| check-title: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Get PR info | |
| id: pr | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| // Get PR Title | |
| const title = context.payload.pull_request.title; | |
| core.setOutput('title', title); | |
| // Get PR Comments | |
| const comments = await github.rest.issues.listComments({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number | |
| }); | |
| core.setOutput('comments', comments.data); | |
| // Get JSON of valid Gitmojis | |
| const gitmojiResponse = await github.request('GET /repos/{owner}/{repo}/contents/{path}', { | |
| owner: 'carloscuesta', | |
| repo: 'gitmoji', | |
| path: 'packages/gitmojis/src/gitmojis.json' | |
| }); | |
| const gitmojis = JSON.parse(Buffer.from(gitmojiResponse.data.content, 'base64').toString()).gitmojis; | |
| core.setOutput('gitmojis', gitmojis); | |
| - name: PR title should start with emoji | |
| uses: actions/github-script@v7 | |
| if: always() | |
| with: | |
| script: | | |
| const prTitle = "${{ steps.pr.outputs.title }}"; | |
| const comments = ${{ steps.pr.outputs.comments }}; | |
| const gitmojis = ${{ steps.pr.outputs.gitmojis }}; | |
| const validEmojis = gitmojis.map(g => [g.emoji, g.code]); | |
| const titleStartsWithValidEmoji = validEmojis.some(([emoji, code]) => | |
| prTitle.startsWith(emoji) || prTitle.startsWith(code) | |
| ); | |
| // Find our bot's validation comment if it exists | |
| const botComment = comments.find(comment => | |
| comment.user.type === 'Bot' && | |
| comment.body.includes('Your PR title should start with an emoji!') | |
| ); | |
| if (!titleStartsWithValidEmoji) { | |
| // Only add a comment if we haven't already | |
| if (!botComment) { | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| body: `⚠️ Your PR title should start with an emoji!\n\nExample valid titles:\n- ✨ Add new feature (or :sparkles: Add new feature)\n- 🐛 Fix login bug (or :bug: Fix login bug)\n- 📝 Update documentation (or :memo: Update documentation)\n\nTo view all valid emojis, check out [gitmoji.dev](https://gitmoji.dev) for a comprehensive list of Git-friendly emojis!\n\nPlease update your PR title and try again.` | |
| }); | |
| } | |
| // Create warning annotation instead of failing | |
| // Change to `core.setFailed()` to fail the check | |
| core.warning(`PR title should start with an emoji! Current title: "${prTitle}". Use either Unicode emoji (🔥) or GitHub shortcode format (:fire:)`); | |
| } else if (botComment) { | |
| // If title is now valid and we have a comment, delete it | |
| await github.rest.issues.deleteComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| comment_id: botComment.id | |
| }); | |
| } | |
| - name: PR title should not exceed ${{ env.MAX_PR_TITLE_LENGTH }} characters | |
| uses: actions/github-script@v7 | |
| if: always() | |
| with: | |
| script: | | |
| const prTitle = "${{ steps.pr.outputs.title }}"; | |
| const comments = ${{ steps.pr.outputs.comments }}; | |
| const MAX_LENGTH = ${{ env.MAX_PR_TITLE_LENGTH }}; | |
| // Match either: | |
| // 1. Unicode emoji at start (using Unicode properties) | |
| // 2. GitHub emoji shortcode format (e.g. :fire:) | |
| const emojiRegex = /^(?:[\p{Emoji_Presentation}\p{Extended_Pictographic}]|:[a-z0-9_+-]+:)/u; | |
| // Remove emoji prefix and its trailing space for length check | |
| const titleWithoutEmoji = prTitle.replace(emojiRegex, ''); | |
| // Find our bot's validation comment if it exists | |
| const botComment = comments.find(comment => | |
| comment.user.type === 'Bot' && | |
| comment.body.includes('Your PR title is too long!') | |
| ); | |
| if (titleWithoutEmoji.length > MAX_LENGTH) { | |
| if (!botComment) { | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: context.issue.number, | |
| body: `⚠️ Your PR title is too long!\n\nPR titles should be no longer than ${MAX_LENGTH} characters (excluding emoji). Your title is ${titleWithoutEmoji.length} characters long.\n\nPlease update your PR title to be more concise.` | |
| }); | |
| } | |
| // Create warning annotation instead of failing | |
| // Change to `core.setFailed()` to fail the check | |
| core.warning(`PR title is too long (${titleWithoutEmoji.length}/${MAX_LENGTH} characters, excluding emoji)`); | |
| } else if (botComment) { | |
| await github.rest.issues.deleteComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| comment_id: botComment.id | |
| }); | |
| } |