release-label-check.yml

name: Release Label Check

on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - labeled
      - unlabeled

permissions:
  contents: read
  pull-requests: read

jobs:
  validate_release_labels:
    runs-on: ubuntu-latest
    steps:
      - name: Validate release labels
        uses: actions/github-script@v7
        with:
          script: |
            const labels = (context.payload.pull_request?.labels || []).map((l) => l.name);

            const categoryLabels = new Set([
              'feature',
              'bug',
              'performance',
              'documentation',
              'dependencies',
              'refactor',
              'test',
              'chore',
              'skip-changelog',
            ]);

            const semverLabels = new Set(['semver:major', 'semver:minor', 'semver:patch']);

            const hasCategory = labels.some((label) => categoryLabels.has(label));
            const semverCount = labels.filter((label) => semverLabels.has(label)).length;

            if (!hasCategory) {
              core.setFailed(
                'Missing release category label. Add one of: feature, bug, performance, documentation, dependencies, refactor, test, chore, skip-changelog.'
              );
              return;
            }

            if (semverCount > 1) {
              core.setFailed('Use at most one semver label: semver:major, semver:minor, or semver:patch.');
            }