semantic-pull-request.yml

name: 'Lint PR'

on:
  pull_request:
    types:
      - opened
      - edited
      - synchronize
      - reopened

permissions:
  pull-requests: write

jobs:
  lint:
    name: Validate PR title
    runs-on: ubuntu-latest
    steps:
      - uses: amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          types: |
            feat
            fix
            chore
            docs
            test
            ci
            refactor
            style
            perf
          scopes: |
            deps
            main
            app
            action
            io
            types
            version
            client
          requireScope: false

  label:
    name: Manage labels
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      MINOR_LABEL: 'minor'
      MINOR_LABEL_COLOR: '#FBCA04'
      MAJOR_LABEL: 'major'
      MAJOR_LABEL_COLOR: '#D93F0B'
      PATCH_LABEL: 'patch'
      PATCH_LABEL_COLOR: '#C5DEF5'
    steps:
      - name: Check out the repository
        uses: actions/checkout@v4
      - name: Create labels if they do not exist
        run: |
          EXISTING_LABELS=$(gh label list --json name --jq '.[].name')

          if ! echo "$EXISTING_LABELS" | grep -qx "$MINOR_LABEL"; then
            gh label create "$MINOR_LABEL" --color "$MINOR_LABEL_COLOR"
          fi

          if ! echo "$EXISTING_LABELS" | grep -qx "$MAJOR_LABEL"; then
            gh label create "$MAJOR_LABEL" --color "$MAJOR_LABEL_COLOR"
          fi

          if ! echo "$EXISTING_LABELS" | grep -qx "$PATCH_LABEL"; then
            gh label create "$PATCH_LABEL" --color "$PATCH_LABEL_COLOR"
          fi
      - name: Manage labels based on PR title
        run: |
          TITLE=$(jq -r '.pull_request.title' < "$GITHUB_EVENT_PATH")
          PR_NUMBER=${{ github.event.pull_request.number }}

          LABELS=$(gh pr view $PR_NUMBER --json labels --jq '.labels[].name')

          HAS_MINOR_LABEL=$(echo "$LABELS" | grep -qx "$MINOR_LABEL" && echo "true" || echo "false")
          HAS_MAJOR_LABEL=$(echo "$LABELS" | grep -qx "$MAJOR_LABEL" && echo "true" || echo "false")
          HAS_PATCH_LABEL=$(echo "$LABELS" | grep -qx "$PATCH_LABEL" && echo "true" || echo "false")

          if [ "$HAS_MAJOR_LABEL" = "true" ]; then
            if [ "$HAS_PATCH_LABEL" = "true" ];then
              gh pr edit $PR_NUMBER --remove-label "$PATCH_LABEL"
            fi
            if [ "$HAS_MINOR_LABEL" = "true" ];then
              gh pr edit $PR_NUMBER --remove-label "$MINOR_LABEL"
            fi
            exit 0
          fi

          if [[ $TITLE =~ ^feat.* ]]; then
            if [ "$HAS_MINOR_LABEL" = "false" ];then
              gh pr edit $PR_NUMBER --add-label "$MINOR_LABEL"
            fi
            if [ "$HAS_PATCH_LABEL" = "true" ];then
              gh pr edit $PR_NUMBER --remove-label "$PATCH_LABEL"
            fi
          else
            if [ "$HAS_PATCH_LABEL" = "false" ];then
              gh pr edit $PR_NUMBER --add-label "$PATCH_LABEL"
            fi
            if [ "$HAS_MINOR_LABEL" = "true" ];then
              gh pr edit $PR_NUMBER --remove-label "$MINOR_LABEL"
            fi
          fi