name: Reggie Regression

on:
  push:
    branches:
      - '*'
  pull_request:
    branches:
      - '*'
  workflow_dispatch:

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

jobs:
  build:
    name: Regression Testing ${{ matrix.target }}
    runs-on: [ self-hosted, regression ]
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    strategy:
      matrix:
        target: [aarch64, x86_64]
      fail-fast: false
    steps:
      - uses: actions/checkout@v4
        with:
          clean: true
          submodules: recursive

      - name: Clean up cruft ...
        run: |
          ./test/env -c

      - name: Set Build Variables
        id: vars
        run: |
          target=${{ matrix.target }}
          echo "dir=infix-$target"        >> $GITHUB_OUTPUT
          echo "tgz=infix-$target.tar.gz" >> $GITHUB_OUTPUT

      - name: Restore Cache of dl/
        uses: actions/cache@v4
        with:
          path: dl/
          key: dl-netconf-${{ hashFiles('.git/modules/buildroot/HEAD', 'configs/*', 'package/*/*.hash') }}
          restore-keys: |
            dl-

      - name: Restore Cache of .ccache/
        uses: actions/cache@v4
        with:
          path: .ccache/
          key: ccache-x86_64-${{ hashFiles('.git/modules/buildroot/HEAD', 'package/*/*.hash') }}
          restore-keys: |
            ccache-${{ matrix.target }}-
            ccache-

      - name: Configure ${{ matrix.target }}
        run: |
          target=${{ matrix.target }}_defconfig
          echo "Building $target ..."
          make $target

      - name: Unit Test
        run: |
          make test-unit

      - name: Build
        run: |
          make

      - name: Prepare Artifact
        run: |
          cd output/
          mv images ${{ steps.vars.outputs.dir }}
          ln -s ${{ steps.vars.outputs.dir }} images
          tar cfz ${{ steps.vars.outputs.tgz }} ${{ steps.vars.outputs.dir }}

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          path: output/${{ steps.vars.outputs.tgz }}
          name: artifact-${{ matrix.target }}

      - name: Regression Test
        if: matrix.target == 'x86_64'
        run: |
          make test

      - name: Publish Test Result
        # Ensure this runs even if Regression Test fails
        if: always()
        run: cat test/.log/last/result-gh.md >> $GITHUB_STEP_SUMMARY