pr-labeler.yml

# Automatically assign labels to pull requests.
# See https://github.com/github/issue-labeler

name: "Pull request labeler"
on:
  pull_request:
    types:
      - "opened"
      - "edited"

jobs:
  triage:
    # Don't run pr-labeler on branches that were created by Dependabot,
    # because this removes the labels set by Dependabot.
    # `branches-ignore` cannot be used, because this checks against the
    # target branch of the pull request, however we have to check
    # against the head branch of the pull request.  Solution: if
    # statement, taken from
    # https://stackoverflow.com/questions/68388484/github-actions-exclude-pull-requests-from-a-branch
    if: "startsWith(github.head_ref, 'dependabot/') == false"
    permissions:
      contents: "read"
      pull-requests: "write"
    runs-on: "ubuntu-latest"
    steps:
      - uses: "github/issue-labeler@v3.2"
        with:
          repo-token: "${{ secrets.GITHUB_TOKEN }}"
          configuration-path: ".github/pr-labeler-config.yml"
          # Updating the config file or the pull request template can
          # have impact on the labeling of existing pull requests.  To
          # prevent this, we couple the config file and pull request
          # template by a version number.
          enable-versioned-regex: 1
          versioned-regex: 'issue_labeler_regex_version=(\d+)'
          # `body-missing-regex-label` causes the pr-labeler workflow to
          # fail with
          # "Could not remove label "broken-template" from issue #Number
          #  Error: AggregateError"
          # Therefore, disable it.
          #body-missing-regex-label: "broken-template"
          # Include the issue title in the regular expression target.
          include-title: 1