issue-to-empty-commit.yml

name: Issue to Empty Commit

on:
  issues:
    types: [opened, edited]

permissions:
  contents: write
  issues: write

jobs:
  issue_to_commit:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Extract issue data
        run: |
          jq . "$GITHUB_EVENT_PATH" > event.json

          echo "ISSUE_NUMBER=$(jq -r .issue.number event.json)" >> $GITHUB_ENV
          echo "ISSUE_TITLE=$(jq -r .issue.title event.json)" >> $GITHUB_ENV
          jq -r .issue.body event.json > issue_body.txt

      - name: Generate commit message
        run: |
          echo "issue(#$ISSUE_NUMBER): $ISSUE_TITLE" > commit_message.txt
          echo "" >> commit_message.txt
          echo "Issue link: https://github.com/$GITHUB_REPOSITORY/issues/$ISSUE_NUMBER" >> commit_message.txt
          echo "" >> commit_message.txt
          echo "Body:" >> commit_message.txt
          cat issue_body.txt >> commit_message.txt

          echo "Commit message:"
          cat commit_message.txt

      - name: Configure git
        run: |
          git config user.name "issue-bot"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

      - name: Create empty commit
        run: |
          git commit --allow-empty -F commit_message.txt || echo "nothing to commit"

      - name: Push commit
        run: |
          git push origin HEAD:main

      - name: Close issue
        run: |
          curl -s -X PATCH \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            https://api.github.com/repos/${{ github.repository }}/issues/${ISSUE_NUMBER} \
            -d '{"state":"closed","state_reason":"completed"}'