copyright-check.yml

name: Check and add copyright

on:
  pull_request:
    branches:
      - main

jobs:
  copyright-check:
    strategy:
      matrix:
        platform: [ ubuntu-latest ]
        go-version: [ 1.16.x ]

    runs-on: ${{ matrix.platform }}

    steps:
      - name: Setup Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ matrix.go-version }}

      - name: Install addlicense
        run: |
          go install github.com/google/addlicense@latest

      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false
          fetch-depth: 0

      # Check license notice in all files
      - name: Copyright Check
        id: check
        continue-on-error: true
        run: .maintain/add_license.sh -check

      # Add license if check fails
      - name: Add copyright notice
        if: steps.check.outcome == 'failure'
        run: |
          .maintain/add_license.sh
          
          remote_repo="https://${GITHUB_ACTOR}:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY}.git"
          git config http.sslVerify false
          git config --local user.email "github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git add -A
          git commit -m "Add missing license headers"
          git push "${remote_repo}" HEAD:${{ github.head_ref }}