update-contributors.yml

name: Update Contributors

on:
  # Run on schedule - weekly on Sunday at midnight
  schedule:
    - cron: '0 0 * * 0'

  # Run when issues or PRs are opened/closed
  issues:
    types: [opened, closed]
  pull_request:
    types: [opened, closed, merged]

  # Run on discussion events
  discussion:
    types: [created]

  # Allow manual trigger
  workflow_dispatch:

jobs:
  update-contributors:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Get all contributors
        id: contributors
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Get code contributors
          CODE_CONTRIBUTORS=$(gh api repos/${{ github.repository }}/contributors --jq '.[].login' | sort -u)

          # Get issue authors
          ISSUE_AUTHORS=$(gh issue list --state all --json author --jq '.[].author.login' | sort -u)

          # Get PR authors
          PR_AUTHORS=$(gh pr list --state all --json author --jq '.[].author.login' | sort -u)

          # Get comment authors
          COMMENT_AUTHORS=$(gh api repos/${{ github.repository }}/issues/comments --jq '.[].user.login' 2>/dev/null | sort -u || echo "")

          # Combine and deduplicate all contributors
          ALL_CONTRIBUTORS=$(echo -e "$CODE_CONTRIBUTORS\n$ISSUE_AUTHORS\n$PR_AUTHORS\n$COMMENT_AUTHORS" | sort -u | grep -v '^$')

          echo "contributors<<EOF" >> $GITHUB_OUTPUT
          echo "$ALL_CONTRIBUTORS" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Generate contributors table
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CONTRIBUTORS: ${{ steps.contributors.outputs.contributors }}
        run: |
          # Create the contributors table
          cat > /tmp/contributors_table.md << 'HEADER'
          <!-- ALL-CONTRIBUTORS-START -->
          <!-- This section is automatically updated by GitHub Actions -->

          <table>
            <tr>
          HEADER

          count=0
          while IFS= read -r username; do
            if [ -z "$username" ]; then continue; fi

            # Get user info
            AVATAR=$(gh api users/$username --jq '.avatar_url' 2>/dev/null || echo "https://github.com/identicons/$username.png")

            # Determine contribution types
            CONTRIB_TYPES=""

            # Check if code contributor
            if gh api repos/${{ github.repository }}/contributors --jq '.[].login' | grep -q "^${username}$"; then
              CONTRIB_TYPES="${CONTRIB_TYPES}💻 "
            fi

            # Check if opened issues
            if gh issue list --state all --author "$username" --json number --jq 'length' | grep -qv '^0$'; then
              CONTRIB_TYPES="${CONTRIB_TYPES}🐛 "
            fi

            # Check if opened PRs
            if gh pr list --state all --author "$username" --json number --jq 'length' | grep -qv '^0$'; then
              CONTRIB_TYPES="${CONTRIB_TYPES}📖 "
            fi

            # Default if no specific type
            if [ -z "$CONTRIB_TYPES" ]; then
              CONTRIB_TYPES="💬"
            fi

            # Add to table (4 per row)
            if [ $((count % 4)) -eq 0 ] && [ $count -ne 0 ]; then
              echo "    </tr>" >> /tmp/contributors_table.md
              echo "    <tr>" >> /tmp/contributors_table.md
            fi

            cat >> /tmp/contributors_table.md << CELL
              <td align="center">
                <a href="https://github.com/$username">
                  <img src="$AVATAR" width="80px;" alt="$username"/><br />
                  <sub><b>$username</b></sub>
                </a><br />
                <sub>$CONTRIB_TYPES</sub>
              </td>
          CELL

            count=$((count + 1))
          done <<< "$CONTRIBUTORS"

          cat >> /tmp/contributors_table.md << 'FOOTER'
            </tr>
          </table>

          **Legend:** 💻 Code | 🐛 Bug Reports | 📖 Documentation | 🚧 Maintenance | 💬 Discussions | 👀 Reviews

          <!-- ALL-CONTRIBUTORS-END -->
          FOOTER

          cat /tmp/contributors_table.md

      - name: Update README
        run: |
          # Read the current README
          README_CONTENT=$(cat README.md)

          # Extract content before and after the contributors section
          BEFORE=$(echo "$README_CONTENT" | sed -n '1,/<!-- ALL-CONTRIBUTORS-START -->/p' | sed '$ d')
          AFTER=$(echo "$README_CONTENT" | sed -n '/<!-- ALL-CONTRIBUTORS-END -->/,$ p' | sed '1 d')

          # Combine with new contributors table
          {
            echo "$BEFORE"
            cat /tmp/contributors_table.md
            echo "$AFTER"
          } > README.md

      - name: Check for changes
        id: changes
        run: |
          if git diff --quiet README.md; then
            echo "changed=false" >> $GITHUB_OUTPUT
          else
            echo "changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Commit and push changes
        if: steps.changes.outputs.changed == 'true'
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add README.md
          git commit -m "Update contributors list [skip ci]"
          git push