release-bot.yml

name: Create Release checklist
on:
  pull_request:
    branches:
      - "master"

jobs:
  release-checklist:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout repo
        uses: actions/checkout@v3
      - name: Create output folder
        run: mkdir -p ${{ github.workspace }}/checklist_items
      - name: Write checklist items to files
        id: merge_commits
        run: |
          git fetch origin master
          git fetch origin ${GITHUB_HEAD_REF}
          MERGE_COMMITS=$(git --no-pager log origin/${GITHUB_HEAD_REF} ^origin/master --oneline --merges --grep "Merge pull request" --pretty=format:"%h")

          for COMMIT in $MERGE_COMMITS; do
            # Merge commit title
            checkitem_title=$(git --no-pager show $COMMIT --pretty=format:"%s" | head -n 1 | sed 's/Merge\ pull\ request\ //' | sed 's/from.*\///')
            # Commits inside this pull request
            details=$(git --no-pager log  $COMMIT^1..$COMMIT^2 --oneline | sed 's/[a-f0-9]*\ /- /')

            content="- [ ] ${checkitem_title}
          <details><summary> details </summary>

          \`\`\`
          ${details}
          \`\`\`
          </details>
          "
            echo "$content" > checklist_items/$COMMIT.log
          done

      - name: Collect checklist items
        run: |
          msg=$(awk 'FNR==1 && NR!=1 {print "---"}{print}' checklist_items/*.log)
          echo "$msg" >> aggregated.log
          sha="*SHA: ${{ github.event.pull_request.head.sha }}*"
          sed -i "1i\\
          $sha
          " aggregated.log

      - name: Update Pull Request
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const fs = require('fs');

            fs.readFile('aggregated.log', 'utf8', (err, data) => {
              if (err) {
                console.error(err);
              } else {
                const output = data;

                github.rest.issues.createComment({
                  issue_number: context.issue.number,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  body: output
                })
              }
            });