list-modules.yml

name: List modules
on:
  push:
    tags-ignore:
      - '*'
    branches:
      - 'mainline'
  pull_request:
  workflow_dispatch:

jobs:
  list-modules:
    runs-on: self-hosted
    env:
      SEARCH_PATH: .
      MAX_DEPTH: 2
    outputs:
      module-tree: ${{ steps.generate-tree.outputs.tree }}
    steps:
      - uses: actions/checkout@v3
      - id: generate-tree
        uses: adairrr/file-tree-to-json-action@v1-alpha
        with:
          search-path: ${{ env.SEARCH_PATH }}
          max-depth: ${{ env.MAX_DEPTH }}
          only-dirs: true
          end-with-array: true


  write-modules:
    needs: list-modules
    runs-on: self-hosted
    env:
      OUT_FILE: modules.json
    steps:
      - uses: actions/checkout@v3
      - name: Write modules output file
        uses: "DamianReeves/write-file-action@master"
        with:
          path: ${{ env.OUT_FILE }}
          write-mode: overwrite
          contents: ${{needs.list-modules.outputs.module-tree}}

      - name: Compare the modules output file
        id: diff
        run: |
          if [ "$(git diff --ignore-space-at-eol ${{ env.OUT_FILE }} | wc -l)" -eq "0" ]; then
            echo "No changes detected in ${{ env.OUT_FILE }}."
            exit 0
          fi

      - name: Commit & Push
        uses: Andro999b/push@v1.3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: main
          force: true
          message: 'Update modules list.'