enforce-semantic-commits.yml

name: Enforce Semantic Commits

on:
  pull_request:
    types: [opened, edited, synchronize] #? reopened

jobs:
  check-semantic-commits:
    name: Check Semantic Commits
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup

      - name: Fetch all commits for the PR
        run: git fetch origin +refs/pull/${{ github.event.pull_request.number }}/merge

      - name: Check commit messages
        run: |
          COMMIT_MESSAGES="$(git log --pretty=format:'%s' --abbrev-commit ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }})"
          echo "$COMMIT_MESSAGES" | npx commitlint

  # Based on PR name
  generate-commit-message:
    name: Generate Commit Message
    runs-on: ubuntu-latest
    outputs:
      commit_message: ${{ steps.generate-message.outputs.commit_message }}
    steps:
      - uses: actions/checkout@v4

      - name: Generate Title
        id: generate-message
        run: |
          COMMIT_MESSAGE='${{ github.event.pull_request.title }}'
          echo "Commit Message": '$COMMIT_MESSAGE'
          echo "commit_message=$COMMIT_MESSAGE" >> $GITHUB_OUTPUT

  validate-commit-message:
    needs: [generate-commit-message]
    name: Generate Commit Message
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup
        with:
          full-checkout: false

      - name: Validate Title
        run: echo "${{needs.generate-commit-message.outputs.commit_message}}" | npx commitlint

  generate-changelog:
    needs: [generate-commit-message, validate-commit-message]
    name: Generate Changelog #? should we comment in the PR?
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/setup

      - name: Generate tmp branch
        run: git checkout -b changelog

      - run: echo "$COMMIT_MESSAGE"
        env:
          COMMIT_MESSAGE: ${{needs.generate-commit-message.outputs.commit_message}}

      - name: Squash commits
        run: |
          git fetch
          git reset --soft $(git merge-base origin/main HEAD)
          git commit -m "$COMMIT_MESSAGE"
          git log
        env:
          COMMIT_MESSAGE: ${{needs.generate-commit-message.outputs.commit_message}}