# Copyright 2024 The Outline Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: License checks

concurrency:
  group: ${{ github.head_ref || github.ref }}
  cancel-in-progress: true

on:
  pull_request:
    types:
      - opened
      - synchronize
  push:
    branches:
      - master

jobs:
  license-check:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code into the Go module directory
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v4
      with:
        go-version-file: '${{ github.workspace }}/go.mod'

    - name: Check license headers
      run: go tool task addlicense -- -check

    - name: Check Go dependency tree licenses
      # We allow only "notice" type of licenses.
      run: go tool go-licenses check --ignore=golang.org/x --allowed_licenses=Apache-2.0,Apache-3,BSD-2-Clause,BSD-3-Clause,BSD-4-Clause,CC0-1.0,ISC,MIT ./...
