git-lint.yml

name: Git Lint

on:
  pull_request:
    branches: [ main, dev, develop ]

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Validate Branch Name
        run: |
          BRANCH="${{ github.head_ref }}"
          echo "🔍 Checking branch name: $BRANCH"
          
          REGEX="^(feature|refactor|fix|chore|build|style|docs|release)/.+$"
          
          if [[ ! "$BRANCH" =~ $REGEX ]]; then
            echo "❌ Invalid branch name: '$BRANCH'"
            echo "💡 Use: feature/name, fix/bug-name, etc."
            exit 1
          fi
          echo "✅ Branch name is valid."

      - name: Validate Commit Messages
        run: |
          echo "🔍 Checking commit messages in PR..."
          
          COMMITS=$(git log --no-merges --pretty=%B origin/${{ github.base_ref }}..HEAD)
          
          REGEX="^(feat|fix|chore|refactor|test|docs|style|ci|perf|build|revert)(\(.+\))?:\ .+"
          
          CYRILLIC_REGEX='[а-яА-ЯёЁіІїЇєЄ]'

          while IFS= read -r MSG; do
            if [ -z "$MSG" ]; then continue; fi
          
            echo "💬 Testing: $MSG"
          
            if [[ ! "$MSG" =~ $REGEX ]]; then
              echo "❌ Invalid format: '$MSG'"
              echo "💡 Use: feat(scope): description"
              exit 1
            fi
          
            if [[ "$MSG" =~ $CYRILLIC_REGEX ]]; then
              echo "❌ Cyrillic detected in: '$MSG'"
              echo "💡 Use English only for commit messages."
              exit 1
            fi
          done <<< "$COMMITS"
          
          echo "✅ All commit messages are valid."