license.yml

name: "Licenses"
on:
  push:
    branches: [2.*, 3.*, 4.*, main]
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
    paths:
      - '**.go'
      - 'go.mod'
      - '.github/workflows/license.yml'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  go-license-check:
    name: "go.mod license check"
    runs-on: [self-hosted, linux, arm64, aws, large]
    if: github.event.pull_request.draft == false
    steps:
    - name: Checkout
      uses: actions/checkout@v3
    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version-file: 'go.mod'
        cache: true
    - name: Check Licenses
      run: |
        go install github.com/google/go-licenses@latest
        # Before adding new licenses check with https://www.gnu.org/licenses/license-list.en.html#GPLCompatibleLicenses
        # NOTE: GPL-2.0 is not included due to the possibility it can't be relicensed under a newer version.
        go-licenses check github.com/juju/juju/... --allowed_licenses AGPL-3.0,LGPL-3.0,GPL-3.0,LGPL-2.1,Apache-2.0,BSD-3-Clause,BSD-2-Clause,MIT,Unlicense,ISC,MPL-2.0