---
name: "Flux Diff"

on:
  pull_request:
    branches: ["main"]
    paths: ["kubernetes/**"]

concurrency:
  group: ${{ github.workflow }}-${{ github.event.number || github.ref }}
  cancel-in-progress: true

jobs:
  flux-diff:
    name: Flux Diff
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
    strategy:
      matrix:
        path: ["kubernetes"]
        resource: ["helmrelease", "kustomization"]
    steps:
      - name: Diff Resources
        uses: allenporter/flux-local/action/diff@4.2.1
        id: diff
        with:
          sources: home-kubernetes
          path: "${{ matrix.path }}"
          resource: "${{ matrix.resource }}"

      - if: ${{ steps.diff.outputs.diff != '' }}
        name: Add comment
        uses: mshick/add-pr-comment@v2
        with:
          message-id: "${{ github.event.pull_request.number }}/${{ matrix.path }}/${{ matrix.resource }}"
          message-failure: Diff was not successful
          message: |
            ```diff
            ${{ steps.diff.outputs.diff }}
            ```