changelog-bot.yml

name: Changelog bot

on:
  issue_comment:
    types: [created]

jobs:
  pr-commented:
    runs-on: ubuntu-latest
    if: ${{ github.event.issue.pull_request && github.event.issue.user.login == github.event.comment.user.login && startsWith(github.event.comment.body, '/changelog-entry ') }}
    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.EXPO_BOT_PAT }}
      - uses: actions/setup-node@v2
        with:
          node-version: 18
      - name: Checkout Pull Request
        run: gh pr checkout ${{ github.event.issue.number }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Install dependencies
        working-directory: ./scripts
        run: yarn install --frozen-lockfile --check-files
      - name: Add changelog entry
        working-directory: ./scripts
        run: |
          PARAMS=${PR_COMMENT_BODY#/changelog-entry }
          if [[ ! "$PARAMS" =~ " " ]]; then
            echo "Invalid /changelog-entry command"
            exit 1
          fi
          CATEGORY=$( cut -d ' ' -f 1 <<< "$PARAMS" | sed -e 's/^[[:space:]]*//' )
          MESSAGE=$( cut -d ' ' -f 2- <<< "$PARAMS" | sed -e 's/^[[:space:]]*//' )
          yarn changelog-entry "$CATEGORY" "$MESSAGE"
        env:
          GITHUB_PR_AUTHOR: ${{ github.event.issue.user.login }}
          GITHUB_PR_NUMBER: ${{ github.event.issue.number }}
          PR_COMMENT_BODY: ${{ github.event.comment.body }}
      - name: Commit and push
        run: |
          # use the last commit author name and email
          git config --global user.name "$(git --no-pager log --format=format:'%an' -n 1)"
          git config --global user.email "$(git --no-pager log --format=format:'%ae' -n 1)"

          git add CHANGELOG.md
          git commit -m "update CHANGELOG.md"
          git push