multi-arch-test-build.yml

---
name: test

on:  # yamllint disable-line rule:truthy
  pull_request:

jobs:
  build:
    name: ${{ matrix.arch }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: mipsel_24kc
            target: ramips-mt7621
            runtime_test: false

          - arch: aarch64_generic
            target: armsr-armv8
            runtime_test: false

          - arch: x86_64
            target: x86-64
            runtime_test: true

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Determine branch name
        run: |
          BRANCH="${GITHUB_BASE_REF#refs/heads/}"
          echo "Building for $BRANCH"
          echo "BRANCH=$BRANCH" >> "$GITHUB_ENV"

      - name: Determine changed packages
        run: |
          # only detect packages with changes
          PKG_ROOTS=$(find . -name Makefile | \
            grep -v ".*/src/Makefile" | \
            sed -e 's@./\(.*\)/Makefile@\1/@')
          CHANGES=$(git diff --diff-filter=d --name-only "origin/$BRANCH...")

          # shellcheck disable=SC2001
          for ROOT in $PKG_ROOTS; do
            for CHANGE in $CHANGES; do
              if [[ "$CHANGE" == "$ROOT"* ]]; then
                PACKAGES+=$(echo "$ROOT" | sed -e 's@.*/\(.*\)/@\1 @')
                break
              fi
            done
          done

          # fallback to test packages if nothing explicitly changes this is
          # should run if other mechanics in packages.git changed
          PACKAGES="${PACKAGES:-luci-app-falter-owm}"

          echo "Building $PACKAGES"
          echo "PACKAGES=$PACKAGES" >> "$GITHUB_ENV"

      - name: Build
        uses: openwrt/gh-action-sdk@v7
        env:
          ARCH: ${{ matrix.arch }}-${{ env.BRANCH }}
          FEEDNAME: packages_ci

      - name: Move created packages to project dir
        run: cp bin/packages/${{ matrix.arch }}/packages_ci/*.ipk . || true

      - name: Collect metadata
        run: |
          MERGE_ID=$(git rev-parse --short HEAD)
          # shellcheck disable=SC2129
          echo "MERGE_ID=$MERGE_ID" >> "$GITHUB_ENV"
          echo "BASE_ID=$(git rev-parse --short HEAD^1)" >> "$GITHUB_ENV"
          echo "HEAD_ID=$(git rev-parse --short HEAD^2)" >> "$GITHUB_ENV"
          PRNUMBER=${GITHUB_REF_NAME%/merge}
          echo "PRNUMBER=$PRNUMBER" >> "$GITHUB_ENV"
          echo "ARCHIVE_NAME=${{matrix.arch}}-PR$PRNUMBER-$MERGE_ID" >> "$GITHUB_ENV"

      - name: Generate metadata
        run: |
          cat << _EOF_ > PKG-INFO
          Metadata-Version: 2.1
          Name: ${{env.ARCHIVE_NAME}}
          Version: "$BRANCH"
          Author: "$GITHUB_ACTOR"
          Home-page: "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/pull/$PRNUMBER"
          Download-URL: "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
          Summary: "$PACKAGES"
          Platform: ${{ matrix.arch }}

          Packages for OpenWrt $BRANCH running on ${{matrix.arch}}, built from PR $PRNUMBER
          at commit $HEAD_ID, against $BRANCH at commit $BASE_ID, with merge SHA $MERGE_ID.

          Modified packages:
          _EOF_
          for p in $PACKAGES
          do
            echo "  $p" >> PKG-INFO
          done
          echo >> PKG-INFO
          echo Full file listing: >> PKG-INFO
          # shellcheck disable=SC2035
          ls -al *.ipk >> PKG-INFO || true
          cat PKG-INFO

      - name: Store packages
        uses: actions/upload-artifact@v4
        with:
          name: ${{env.ARCHIVE_NAME}}-packages
          path: |
            *.ipk
            PKG-INFO

      - name: Store logs
        uses: actions/upload-artifact@v4
        with:
          name: ${{env.ARCHIVE_NAME}}-logs
          path: |
            logs/
            PKG-INFO

      - name: Remove logs
        run: sudo rm -rf logs/ || true

      - name: Register QEMU
        if: ${{ matrix.runtime_test }}
        run: |
          sudo docker run --rm --privileged aptman/qus -s -- -p

      - name: Build Docker container
        if: ${{ matrix.runtime_test }}
        run: |
          docker build -t test-container --build-arg ARCH .github/workflows/
        env:
          ARCH: ${{ matrix.arch }}-${{ env.BRANCH }}

      - name: Test via Docker container
        if: ${{ matrix.runtime_test }}
        run: |
          docker run --rm -v "$GITHUB_WORKSPACE":/ci test-container