name: Build host tools

on:
  pull_request:
    paths:
      - 'tools/**'
      - '.github/workflows/tools.yml'
  push:
    paths:
      - 'tools/**'
      - '.github/workflows/tools.yml'

permissions:
  contents: read

jobs:
  build-macos-latest:
    if: github.event_name != 'push'
    runs-on: macos-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          path: openwrt

      - name: Setup MacOS
        run: |
          echo "WORKPATH=/Volumes/OpenWrt" >> "$GITHUB_ENV"
          hdiutil create -size 20g -type SPARSE -fs "Case-sensitive HFS+" -volname OpenWrt OpenWrt.sparseimage
          hdiutil attach OpenWrt.sparseimage
          mv "$GITHUB_WORKSPACE/openwrt" /Volumes/OpenWrt/

      - name: Install required prereq on MacOS
        working-directory: ${{ env.WORKPATH }}/openwrt
        run: |
          brew install \
            autoconf \
            automake \
            coreutils \
            diffutils \
            findutils \
            gawk \
            gettext \
            git-extras \
            gmp \
            gnu-getopt \
            gnu-sed \
            gnu-tar \
            grep \
            libidn2 \
            libunistring \
            m4 \
            make \
            mpfr \
            ncurses \
            openssl@1.1 \
            pcre \
            pkg-config \
            quilt \
            readline \
            wget \
            zstd

            echo "/bin" >> "$GITHUB_PATH"
            echo "/sbin/Library/Apple/usr/bin" >> "$GITHUB_PATH"
            echo "/usr/bin" >> "$GITHUB_PATH"
            echo "/usr/local/bin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/coreutils/bin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/findutils/libexec/gnubin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/gettext/bin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/gnu-getopt/bin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/make/libexec/gnubin" >> "$GITHUB_PATH"
            echo "/usr/local/opt/make/libexec/gnubin" >> "$GITHUB_PATH"
            echo "/usr/sbin" >> "$GITHUB_PATH"

      - name: Make prereq
        working-directory: ${{ env.WORKPATH }}/openwrt
        run: make defconfig

      - name: Build tools MacOS
        working-directory: ${{ env.WORKPATH }}/openwrt
        run: make tools/install -j$(nproc) BUILD_LOG=1 || ret=$? .github/workflows/scripts/show_build_failures.sh

      - name: Upload logs
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: macos-latest-logs
          path: ${{ env.WORKPATH }}/openwrt/logs

      - name: Upload config
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: macos-latest-config
          path: ${{ env.WORKPATH }}/openwrt/.config

  build-linux-buildbot:
    runs-on: ubuntu-latest
    container: registry.gitlab.com/openwrt/buildbot/buildworker-3.4.1

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          path: 'openwrt'

      - name: Fix permission
        run: |
          chown -R buildbot:buildbot openwrt

      - name: Set configs for tools container
        if: github.event_name == 'push'
        shell: su buildbot -c "sh -e {0}"
        working-directory: openwrt
        run: |
          touch .config
          echo CONFIG_DEVEL=y >> .config
          echo CONFIG_AUTOREMOVE=y >> .config
          echo CONFIG_CCACHE=y >> .config

      - name: Make prereq
        shell: su buildbot -c "sh -e {0}"
        working-directory: openwrt
        run: make defconfig

      - name: Build tools BuildBot Container
        shell: su buildbot -c "sh -e {0}"
        working-directory: openwrt
        run: make tools/install -j$(nproc) BUILD_LOG=1 || ret=$? .github/workflows/scripts/show_build_failures.sh

      - name: Upload logs
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: linux-buildbot-logs
          path: openwrt/logs

      - name: Upload config
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: linux-buildbot-config
          path: openwrt/.config

      - name: Archive prebuilt tools
        if: github.event_name == 'push'
        shell: su buildbot -c "sh -e {0}"
        working-directory: openwrt
        run: tar --mtime=now -cf tools.tar staging_dir/host build_dir/host dl

      - name: Upload prebuilt tools
        if: github.event_name == 'push'
        uses: actions/upload-artifact@v3
        with:
          name: linux-buildbot-prebuilt-tools
          path: openwrt/tools.tar
          retention-days: 1

  push-tools-container:
    needs: build-linux-buildbot
    runs-on: ubuntu-latest
    if: github.event_name == 'push'

    permissions:
      contents: read
      packages: write

    steps:
      - name: Set lower case owner name
        env:
          OWNER: ${{ github.repository_owner }}
        run: |
          echo "OWNER_LC=${OWNER,,}" >> "$GITHUB_ENV"

      # Per branch tools container tag
      # By default stick to latest
      # For official test targetting openwrt stable branch
      # Get the branch or parse the tag and push dedicated tools containers
      # Any branch that will match this pattern openwrt-[0-9][0-9].[0-9][0-9]
      # will refresh the tools container with the matching tag.
      # (example branch openwrt-22.03 -> tools:openwrt-22.03)
      # (example branch openwrt-22.03-test -> tools:openwrt-22.03)
      - name: Determine tools container tag
        run: |
          CONTAINER_TAG=latest

          if [ ${{ github.ref_type }} == "branch" ]; then
            if echo "${{ github.ref_name }}" | grep -q -E 'openwrt-[0-9][0-9]\.[0-9][0-9]'; then
              CONTAINER_TAG="$(echo ${{ github.ref_name }} | sed 's/^\(openwrt-[0-9][0-9]\.[0-9][0-9]\).*/\1/')"
            fi
          elif [ ${{ github.ref_type }} == "tag" ]; then
            if echo "${{ github.ref_name }}" | grep -q -E 'v[0-9][0-9]\.[0-9][0-9]\..+'; then
              CONTAINER_TAG=openwrt-"$(echo ${{ github.ref_name }} | sed 's/v\([0-9][0-9]\.[0-9][0-9]\)\..\+/\1/')"
            fi
          fi

          echo "Tools container to push tools:$CONTAINER_TAG"
          echo "CONTAINER_TAG=$CONTAINER_TAG" >> "$GITHUB_ENV"

      - name: Checkout
        uses: actions/checkout@v3
        with:
          path: 'openwrt'

      - name: Download prebuilt tools from build job
        uses: actions/download-artifact@v3
        with:
          name: linux-buildbot-prebuilt-tools
          path: openwrt

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: openwrt
          push: true
          tags: ghcr.io/${{ env.OWNER_LC }}/tools:${{ env.CONTAINER_TAG }}
          file: openwrt/.github/workflows/Dockerfile.tools