carbon-lang/.github/workflows/tests-fallback.yaml

# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# Note that this name must exactly match the name in `tests.yaml`.
#
# This is not a real "test" workflow, but a fallback used to work around a
# problem where ignored checks cannot be required:
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#onpushpull_requestpull_request_targetpathspaths-ignore
name: test

# This mus exactly match the `on` clause in `tests.yaml` except for inverting
# `paths-ignore` to `paths`. The purpose is that exactly one of this workflow or
# the one in `tests.yaml` fires for a given case.
on:
  push:
    branches: [trunk]
    paths:
      - '**/*.md'
      - 'LICENSE'
      - 'CODEOWNERS'
      - '.git*'
  pull_request_target:
    paths:
      - '**/*.md'
      - 'LICENSE'
      - 'CODEOWNERS'
      - '.git*'
  merge_group:
    paths:
      - '**/*.md'
      - 'LICENSE'
      - 'CODEOWNERS'
      - '.git*'

# Cancel previous workflows on the PR when there are multiple fast commits.
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#concurrency
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - run: 'echo "No tests to run."'