Fix workflow_call diff: detect default branch and fetch it #5
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| name: Auto-fill PR Template | |
| on: | |
| pull_request: | |
| types: [opened] | |
| workflow_call: | |
| secrets: | |
| ANTHROPIC_API_KEY: | |
| required: false | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| auto-fill: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Extract ticket from branch name | |
| id: ticket | |
| run: | | |
| BRANCH="${{ github.head_ref }}" | |
| if [[ "$BRANCH" =~ ([Ii][Mm]-[0-9]+) ]]; then | |
| TICKET="${BASH_REMATCH[1]^^}" | |
| echo "ticket=$TICKET" >> $GITHUB_OUTPUT | |
| echo "found=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "found=false" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Get diff for Claude | |
| id: diff | |
| run: | | |
| # Determine base ref (github.base_ref is empty when triggered via workflow_call) | |
| BASE_REF="${{ github.base_ref }}" | |
| if [ -z "$BASE_REF" ]; then | |
| # Detect default branch from remote | |
| BASE_REF=$(git symbolic-ref --short refs/remotes/origin/HEAD 2>/dev/null | sed 's|origin/||' || echo "main") | |
| fi | |
| # Ensure the base ref is fetched locally | |
| git fetch origin ${BASE_REF} | |
| # Get the diff (limited to avoid token overflow) | |
| DIFF=$(git diff origin/${BASE_REF}...HEAD -- . ':!package-lock.json' ':!yarn.lock' ':!*.min.js' ':!*.min.css' | head -c 30000) | |
| # Get file list | |
| FILES=$(git diff --name-only origin/${BASE_REF}...HEAD) | |
| STATS=$(git diff --shortstat origin/${BASE_REF}...HEAD) | |
| FILE_COUNT=$(echo "$FILES" | wc -l) | |
| # Write to files to avoid escaping issues | |
| echo "$DIFF" > /tmp/diff.txt | |
| echo "$FILES" > /tmp/files.txt | |
| echo "$STATS" > /tmp/stats.txt | |
| echo "$FILE_COUNT" > /tmp/file_count.txt | |
| - name: Detect change type | |
| id: type | |
| run: | | |
| BRANCH="${{ github.head_ref }}" | |
| BRANCH_LOWER=$(echo "$BRANCH" | tr '[:upper:]' '[:lower:]') | |
| if [[ "$BRANCH_LOWER" =~ ^fix|bugfix|hotfix ]]; then | |
| echo "type=bug" >> $GITHUB_OUTPUT | |
| elif [[ "$BRANCH_LOWER" =~ ^feat|feature ]]; then | |
| echo "type=feature" >> $GITHUB_OUTPUT | |
| elif [[ "$BRANCH_LOWER" =~ ^refactor ]]; then | |
| echo "type=refactor" >> $GITHUB_OUTPUT | |
| elif [[ "$BRANCH_LOWER" =~ ^docs ]]; then | |
| echo "type=docs" >> $GITHUB_OUTPUT | |
| elif [[ "$BRANCH_LOWER" =~ ^chore|deps|dependencies ]]; then | |
| echo "type=chore" >> $GITHUB_OUTPUT | |
| else | |
| echo "type=unknown" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Generate description with Claude | |
| id: claude | |
| continue-on-error: true | |
| env: | |
| ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} | |
| run: | | |
| # Skip if no API key | |
| if [ -z "$ANTHROPIC_API_KEY" ]; then | |
| echo "No API key found, skipping Claude" | |
| echo "success=false" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| DIFF=$(cat /tmp/diff.txt) | |
| FILES=$(cat /tmp/files.txt) | |
| STATS=$(cat /tmp/stats.txt) | |
| PROMPT="Analyze this git diff and generate a concise PR description. Focus on WHAT changed and WHY it matters. Be specific but brief (2-4 sentences max). | |
| Files changed: | |
| $FILES | |
| Stats: $STATS | |
| Diff: | |
| $DIFF | |
| Respond with ONLY the description text, no headers or formatting." | |
| RESPONSE=$(curl -s --max-time 30 https://api.anthropic.com/v1/messages \ | |
| -H "Content-Type: application/json" \ | |
| -H "x-api-key: $ANTHROPIC_API_KEY" \ | |
| -H "anthropic-version: 2023-06-01" \ | |
| -d "$(jq -n \ | |
| --arg prompt "$PROMPT" \ | |
| '{ | |
| model: "claude-sonnet-4-20250514", | |
| max_tokens: 500, | |
| messages: [{role: "user", content: $prompt}] | |
| }')") | |
| # Check for errors | |
| ERROR=$(echo "$RESPONSE" | jq -r '.error.message // empty') | |
| if [ -n "$ERROR" ]; then | |
| echo "Claude API error: $ERROR" | |
| echo "success=false" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| DESCRIPTION=$(echo "$RESPONSE" | jq -r '.content[0].text // empty') | |
| if [ -z "$DESCRIPTION" ]; then | |
| echo "Empty response from Claude" | |
| echo "success=false" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| echo "$DESCRIPTION" > /tmp/description.txt | |
| echo "success=true" >> $GITHUB_OUTPUT | |
| - name: Generate testing suggestions with Claude | |
| id: testing | |
| continue-on-error: true | |
| env: | |
| ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} | |
| run: | | |
| # Skip if description generation failed | |
| if [ "${{ steps.claude.outputs.success }}" != "true" ]; then | |
| echo "Skipping testing suggestions (description failed)" | |
| echo "success=false" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| DIFF=$(cat /tmp/diff.txt) | |
| FILES=$(cat /tmp/files.txt) | |
| PROMPT="Based on this diff, suggest 2-3 specific things that should be tested. Be concise - one line per suggestion. | |
| Files changed: | |
| $FILES | |
| Diff: | |
| $DIFF | |
| Respond with ONLY bullet points, no intro text." | |
| RESPONSE=$(curl -s --max-time 30 https://api.anthropic.com/v1/messages \ | |
| -H "Content-Type: application/json" \ | |
| -H "x-api-key: $ANTHROPIC_API_KEY" \ | |
| -H "anthropic-version: 2023-06-01" \ | |
| -d "$(jq -n \ | |
| --arg prompt "$PROMPT" \ | |
| '{ | |
| model: "claude-sonnet-4-20250514", | |
| max_tokens: 300, | |
| messages: [{role: "user", content: $prompt}] | |
| }')") | |
| TESTING=$(echo "$RESPONSE" | jq -r '.content[0].text // empty') | |
| if [ -n "$TESTING" ]; then | |
| echo "$TESTING" > /tmp/testing.txt | |
| echo "success=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "success=false" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Build and update PR body | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fs = require('fs'); | |
| const ticket = '${{ steps.ticket.outputs.ticket }}'; | |
| const ticketFound = '${{ steps.ticket.outputs.found }}' === 'true'; | |
| const changeType = '${{ steps.type.outputs.type }}'; | |
| const claudeSuccess = '${{ steps.claude.outputs.success }}' === 'true'; | |
| const testingSuccess = '${{ steps.testing.outputs.success }}' === 'true'; | |
| // Get existing PR body | |
| const { data: pr } = await github.rest.pulls.get({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: context.payload.pull_request.number | |
| }); | |
| const existingBody = pr.body || ''; | |
| // Helper to check if a section is empty (only has comment placeholder) | |
| const isSectionEmpty = (body, sectionHeader, nextHeader) => { | |
| const sectionRegex = new RegExp(`## ${sectionHeader}\\s*([\\s\\S]*?)(?=## ${nextHeader}|$)`, 'i'); | |
| const match = body.match(sectionRegex); | |
| if (!match) return true; | |
| const content = match[1].trim(); | |
| // Empty if only whitespace, empty, or just an HTML comment | |
| return !content || /^<!--.*-->$/.test(content); | |
| }; | |
| // Helper to check if any checkbox is checked in Type of Change | |
| const hasCheckedType = (body) => { | |
| const typeSection = body.match(/## Type of Change[\s\S]*?(?=## |$)/i); | |
| if (!typeSection) return false; | |
| return /\[x\]/i.test(typeSection[0]); | |
| }; | |
| // Read file data | |
| const files = fs.readFileSync('/tmp/files.txt', 'utf8').trim(); | |
| const stats = fs.readFileSync('/tmp/stats.txt', 'utf8').trim(); | |
| const fileCount = parseInt(fs.readFileSync('/tmp/file_count.txt', 'utf8').trim()); | |
| // Determine what to fill | |
| const fillDescription = isSectionEmpty(existingBody, 'Description', 'Ticket'); | |
| const fillTicket = isSectionEmpty(existingBody, 'Ticket', 'Type of Change'); | |
| const fillType = !hasCheckedType(existingBody) && changeType !== 'unknown'; | |
| const fillTesting = isSectionEmpty(existingBody, 'Testing Done', 'Checklist'); | |
| // Get description (Claude or fallback) | |
| let description; | |
| if (fillDescription) { | |
| if (claudeSuccess) { | |
| description = fs.readFileSync('/tmp/description.txt', 'utf8').trim(); | |
| } else { | |
| const fileList = files.split('\n').slice(0, 10).map(f => `- \`${f}\``).join('\n'); | |
| const moreFiles = fileCount > 10 ? `\n- ... and ${fileCount - 10} more files` : ''; | |
| description = `<!-- Claude unavailable -->\n\n**Files changed**\n${fileList}${moreFiles}`; | |
| } | |
| } | |
| // Get testing suggestions | |
| let testing; | |
| if (fillTesting && testingSuccess) { | |
| testing = fs.readFileSync('/tmp/testing.txt', 'utf8').trim(); | |
| } | |
| // Build ticket section | |
| const ticketSection = ticketFound | |
| ? `[${ticket}](https://twentyht.atlassian.net/browse/${ticket})` | |
| : null; | |
| // Build type checkboxes | |
| const types = { | |
| bug: 'Bug fix (non-breaking change that fixes an issue)', | |
| feature: 'New feature (non-breaking change that adds functionality)', | |
| breaking: 'Breaking change (fix or feature that would cause existing functionality to change)', | |
| refactor: 'Refactor (code change that neither fixes a bug nor adds a feature)', | |
| docs: 'Documentation update', | |
| chore: 'Chore (dependency updates, config changes, etc.)' | |
| }; | |
| let typeChecklist = ''; | |
| for (const [key, label] of Object.entries(types)) { | |
| const checked = (fillType && key === changeType) ? 'x' : ' '; | |
| typeChecklist += `- [${checked}] ${label}\n`; | |
| } | |
| // Build new body, preserving user content where filled | |
| let newBody = existingBody; | |
| // Replace description if empty | |
| if (fillDescription && description) { | |
| newBody = newBody.replace( | |
| /(## Description\s*)(<!--[\s\S]*?-->)?(\s*)/i, | |
| `$1\n${description}\n\n_${stats}_\n\n` | |
| ); | |
| } | |
| // Replace ticket if empty and found | |
| if (fillTicket && ticketSection) { | |
| newBody = newBody.replace( | |
| /(## Ticket\s*)(<!--[\s\S]*?-->)?(\s*)/i, | |
| `$1\n${ticketSection}\n\n` | |
| ); | |
| } | |
| // Replace type checkboxes if none checked | |
| if (fillType) { | |
| newBody = newBody.replace( | |
| /## Type of Change[\s\S]*?(?=## Testing Done)/i, | |
| `## Type of Change\n\n${typeChecklist}\n` | |
| ); | |
| } | |
| // Replace testing if empty | |
| if (fillTesting && testing) { | |
| newBody = newBody.replace( | |
| /(## Testing Done\s*)(<!--[\s\S]*?-->)?(\s*)/i, | |
| `$1\n${testing}\n\n` | |
| ); | |
| } | |
| // Add footer if we changed anything | |
| const madeChanges = fillDescription || (fillTicket && ticketSection) || fillType || (fillTesting && testing); | |
| if (madeChanges && !newBody.includes('Auto-generated by Claude') && !newBody.includes('Auto-filled')) { | |
| const footer = claudeSuccess ? '\n---\n_✨ Auto-generated by Claude_' : '\n---\n_📝 Auto-filled_'; | |
| newBody = newBody.trim() + footer; | |
| } | |
| // Only update if body changed | |
| if (newBody !== existingBody) { | |
| await github.rest.pulls.update({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: context.payload.pull_request.number, | |
| body: newBody | |
| }); | |
| } |