pull--prevent-wrong-branch-names.yaml

name: Enforce branch naming
# Enforces that a branch is named after a conventional commit type. For example
# the branches: `feat/**`, `fix/**`, ... are allowed but `this is a test` is
# not allowed.

on:
  pull_request:
    branches: [main, master, release, development]
    types: [opened]

jobs:
  labeler:
    name: Checking branch
    runs-on: ubuntu-latest
    if: github.event.pull_request.user.login != 'dependabot[bot]'
    steps:
    - name: Checkout
      uses: actions/checkout@v4
    - name: Check branch name compare to types
      run: |
        branch="${{ github.head_ref }}"

        # Extract allowed branch prefixes from labeler.yml where type: true
        allowed_branch_names=$(yq '.[] | select(.type == true) | .name' .github/labels.yaml)

        echo "Checking branch: $branch"
        echo "Allowed branch prefixes are:"
        echo "$allowed_branch_names"
        echo ""

        match_found=0
        for pattern in $allowed_branch_names; do
          pattern=$(echo "$pattern" | sed 's|\\\\/|/|g' | sed 's|\"||g')
          if [[ "$branch" =~ ^$pattern(/.*)?$ ]]; then
            echo "Branch name matches allowed pattern: $pattern"
            match_found=1
            break
          fi
        done

        if [[ $match_found -eq 0 ]]; then
          echo "Branch name does not match any allowed pattern!"
          exit 1
        fi