version-check.yml

name: Version Check

on:
  pull_request:
    paths:
      - VERSION
      - CHANGELOG.md
      - .github/workflows/version-check.yml

jobs:
  version-validation:
    name: Validate Version Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Check VERSION file format
        run: |
          if [ ! -f VERSION ]; then
            echo "ERROR: VERSION file not found"
            exit 1
          fi

          VERSION=$(cat VERSION)
          if ! [[ $VERSION =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "ERROR: Invalid version format: $VERSION"
            echo "Expected format: X.Y.Z (semantic versioning)"
            exit 1
          fi

          echo "✓ Version format valid: $VERSION"

      - name: Verify CHANGELOG.md is updated
        run: |
          VERSION=$(cat VERSION)
          if ! grep -q "## \[$VERSION\]" CHANGELOG.md; then
            echo "ERROR: CHANGELOG.md not updated for version $VERSION"
            echo "Please add a section: ## [$VERSION] - $(date +%Y-%m-%d)"
            exit 1
          fi
          echo "✓ CHANGELOG.md is updated for version $VERSION"

      - name: Check git tags don't conflict
        run: |
          VERSION=$(cat VERSION)
          TAG="v$VERSION"
          if git rev-parse "$TAG" >/dev/null 2>&1; then
            echo "ERROR: Git tag already exists: $TAG"
            echo "This version has already been released"
            exit 1
          fi
          echo "✓ Git tag not yet created: $TAG"

      - name: Validate semantic versioning
        run: |
          VERSION=$(cat VERSION)
          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"

          if ! [[ $MAJOR =~ ^[0-9]+$ ]] || ! [[ $MINOR =~ ^[0-9]+$ ]] || ! [[ $PATCH =~ ^[0-9]+$ ]]; then
            echo "ERROR: Invalid semantic version: $VERSION"
            exit 1
          fi

          echo "✓ Semantic version valid: MAJOR=$MAJOR MINOR=$MINOR PATCH=$PATCH"