name: build

on:
  push: {}
  pull_request: {}
  # allow rebuilding without a push
  workflow_dispatch: {}

jobs:
  build:
    name: meta-rauc Build
    # run on self-hosted runner for the main repo or if vars.BUILD_RUNS_ON is set
    runs-on: >-
      ${{
        (vars.BUILD_RUNS_ON != ''  && fromJSON(vars.BUILD_RUNS_ON)) ||
        (github.repository == 'rauc/meta-rauc' && fromJSON('["self-hosted", "forrest", "build"]')) ||
        'ubuntu-20.04'
      }}
    # abort if it seems that we're rebuilding too much
    timeout-minutes: 120
    steps:
      - name: Install required packages
        run: |
          sudo apt-get -q -y --no-install-recommends install diffstat
      - name: Checkout
        uses: actions/checkout@v4
        with:
          path: meta-rauc
      - name: Clone poky
        run: git clone --shared --reference-if-able /srv/shared-git/poky.git -b scarthgap https://github.com/yoctoproject/poky.git
      - name: Clone meta-openembedded
        run: git clone --shared --reference-if-able /srv/shared-git/meta-openembedded.git -b scarthgap https://github.com/openembedded/meta-openembedded.git
      - name: Initialize build directory
        run: |
          source poky/oe-init-build-env build
          bitbake-layers add-layer ../meta-rauc
          if [ -f ~/.yocto/auto.conf ]; then
            cp ~/.yocto/auto.conf conf/
          else
            echo 'SSTATE_MIRRORS = "file://.* https://github-runner.pengutronix.de/sstate-cache/PATH"' >> conf/auto.conf
            echo 'BB_SIGNATURE_HANDLER = "OEBasicHash"' >> conf/auto.conf
            echo 'BB_HASHSERVE = ""' >> conf/auto.conf
            echo 'OPKGBUILDCMD = "opkg-build -Z gzip -a -1n"' >> conf/auto.conf
            echo 'INHERIT += "rm_work"' >> conf/auto.conf
          fi
          echo 'DISTRO_FEATURES:remove = "alsa bluetooth usbgadget usbhost wifi nfs zeroconf pci 3g nfc x11 opengl ptest wayland vulkan"' >> conf/local.conf
      - name: Build rauc, rauc-native
        run: |
          source poky/oe-init-build-env build
          bitbake rauc rauc-native
      - name: Build rauc-hawkbit-updater
        run: |
          source poky/oe-init-build-env build
          bitbake rauc-hawkbit-updater
      - name: Build dt-utils
        run: |
          source poky/oe-init-build-env build
          bitbake dt-utils
      - name: Build casync, casync-native
        run: |
          source poky/oe-init-build-env build
          bitbake-layers add-layer ../meta-openembedded/meta-oe
          bitbake-layers add-layer ../meta-openembedded/meta-python
          bitbake-layers add-layer ../meta-openembedded/meta-networking
          bitbake-layers add-layer ../meta-openembedded/meta-filesystems
          bitbake casync casync-native
      - name: Build rauc-hawkbit
        run: |
          source poky/oe-init-build-env build
          bitbake-layers add-layer ../meta-openembedded/meta-python
          bitbake rauc-hawkbit
      - name: Cache Data
        env:
          CACHE_KEY: ${{ secrets.YOCTO_CACHE_KEY }}
        if: ${{ env.CACHE_KEY }}
        run: |
          mkdir -p ~/.ssh
          echo "$CACHE_KEY" >> ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          rsync -rvx --ignore-existing build/downloads yocto-cache: || true
          rsync -rvx --ignore-existing build/sstate-cache yocto-cache: || true