commit-message.yml

# This workflow is needed to validate commit messages in pull requests, if the githook was bypassed
name: Commit Message

on:
  pull_request:

permissions:
  contents: read
  pull-requests: read

jobs:
  validate-commit-messages:
    name: Validate commit messages
    runs-on: ubuntu-latest

    steps:
      - name: Check commit message
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Fetch base branch
        run: git fetch origin "${{ github.base_ref }}"
      - name: Validate commit message
        shell: bash
        run: |
          pattern='^((feat|fix|docs|style|refactor|test|chore|ci|build|perf)\(#[0-9]+\): .{1,50}|chore\(deps\): .{1,72})$'
          invalid=0

          while IFS= read -r commit_message; do
            echo "Checking: $commit_message"

            if echo "$commit_message" | grep -Eq '^(Merge|Revert)'; then
              echo "Skipping technical commit: $commit_message"
              continue
            fi

            if ! echo "$commit_message" | grep -Eq "$pattern"; then
              echo "::error::Invalid commit message: $commit_message"
              invalid=1
            fi
          done < <(git log --format=%s "origin/${{ github.base_ref }}..HEAD")

          if [ "$invalid" -ne 0 ]; then
            echo ""
            echo "Expected format:"
            echo "  feat(#1): add feature"
            echo "  chore(#5): add a file to .gitignore"
            echo ""
            echo "Allowed types:"
            echo "  feat, fix, docs, style, refactor, test, chore, ci, build, perf"
            exit 1
          fi