name: Bob the Builder

on:
  pull_request:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  build:
    name: Build Infix ${{ matrix.target }}
    runs-on: [ self-hosted, latest ]
    strategy:
      matrix:
        target: [aarch64, x86_64]
      fail-fast: false
    steps:
      - uses: actions/checkout@v4
        with:
          clean: true
          submodules: recursive

      - 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-${{ 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-${{ matrix.target }}-${{ hashFiles('.git/modules/buildroot/HEAD', 'package/*/*.hash') }}
          restore-keys: |
            ccache-${{ matrix.target }}-
            ccache-

      - name: Configure ${{ matrix.target }}
        run: |
          make ${{ matrix.target }}_defconfig

      - name: Unit Test ${{ matrix.target }}
        run: |
          make test-unit

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

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

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

  test:
    name: Regression Test of Infix x86_64
    needs: build
    runs-on: [ self-hosted, regression ]
    steps:
      - uses: actions/checkout@v4
        with:
          clean: true
          submodules: recursive

      - name: Configure x86_64
        run: |
          make x86_64_defconfig

      - uses: actions/download-artifact@v4
        with:
          pattern: "artifact-*"
          merge-multiple: true

      - name: Restore x86-64 output/
        run: |
          ls -l
          mkdir -p output
          mv infix-x86_64.tar.gz output/
          cd output/
          tar xf infix-x86_64.tar.gz
          ln -s infix-x86_64 images

      - name: Regression Test
        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

  release:
    if: ${{github.repository_owner == 'kernelkit' && github.ref_name == 'main'}}
    name: Upload Latest Build
    needs: test
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: "artifact-*"
          merge-multiple: true

      - name: Create checksums ...
        run: |
          for file in *.tar.gz; do
              sha256sum $file > $file.sha256
          done

      - uses: ncipollo/release-action@v1
        with:
          allowUpdates: true
          omitName: true
          omitBody: true
          omitBodyDuringUpdate: true
          prerelease: true
          tag: "latest"
          token: ${{ secrets.GITHUB_TOKEN }}
          artifacts: "*.tar.gz*"

      - name: Summary
        run: |
          cat <<EOF >> $GITHUB_STEP_SUMMARY
          # Latest Build Complete! :rocket:
          
          For the public download links of these build artifacts, please see:
           <https://github.com/kernelkit/infix/releases/tag/latest>
          EOF