check-spdx-license-id.yaml

name: Check SPDX-License-Identifier

on:
  push:
    branches:
      - stream
    paths:
      - .github/workflows/check-spdx-license-id.yaml
      - cypress/e2e/**/*
      - packages/**/*
      - scripts/**/*

  pull_request_target:
    branches:
      - stream
    paths:
      - cypress/e2e/**/*
      - packages/**/*
      - scripts/**/*

permissions:
  contents: read

jobs:
  pre-checkout:
    name: Pre checkout
    uses: ./.github/workflows/pre-checkout.yaml

  check-spdx-license-id:
    name: Check SPDX-License-Identifier
    runs-on: ubuntu-22.04
    needs:
      - pre-checkout
    steps:
      - name: Checkout
        uses: actions/checkout@v4.2.1
        with:
          persist-credentials: false
          ref: ${{ needs.pre-checkout.outputs.sha }}
          fetch-depth: 1

      - name: Check SPDX-License-Identifier
        run: |
          counter=0

          search() {
            local directory="$1"
            if [[ ! -d "$directory" ]]; then
              return 0
            fi
            find "$directory" -type f \
              \( \
                -name '*.html' -or \
                -name '*.scss' -or \
                -name '*.css' -or \
                -name '*.vue' \
              \) -or \
              \( \
                \( \
                  -name '*.ts' -or \
                  -name '*.js' -or \
                  -name '*.mjs' -or \
                  -name '*.cjs' \
                \) -and \( \
                  -not -name '*.config.*' \
                \) \
              \)
          }

          check() {
            local file="$1"
            if ! (
              grep -q 'SPDX-FileCopyrightText: ' "$file" &&
              grep -q 'SPDX-License-Identifier: ' "$file"
            ); then
              echo "::error file=${file},line=0::Missing SPDX-License-Identifier"
              ((counter++))
            fi
          }

          directories=(
            'cypress/e2e'
            'packages/backend/migration'
            'packages/backend/src'
            'packages/backend/test'
            'packages/backend/test-federation'
            'packages/backend/test-server'
            'packages/frontend/.storybook'
            'packages/frontend/@types'
            'packages/frontend/lib'
            'packages/frontend/public'
            'packages/frontend/src'
            'packages/frontend/test'
            'packages/frontend-embed/@types'
            'packages/frontend-embed/src'
            'packages/frontend-shared/@types'
            'packages/frontend-shared/js'
            'packages/misskey-bubble-game/src'
            'packages/misskey-reversi/src'
            'packages/sw/src'
            'scripts'
          )

          for directory in "${directories[@]}"; do
            for file in $(search "$directory"); do
              check "$file"
            done
          done

          if [ "$counter" -gt 0 ]; then
            echo "::error::SPDX-License-Identifier is missing in ${counter} file(s)."
            exit 1
          else
            echo '::notice::SPDX-License-Identifier is certainly described in all target file(s)!'
            exit 0
          fi