name: Buildroot
on: [push, pull_request]

jobs:
  buildroot:
    name: Buildroot
    runs-on: ubuntu-latest
    strategy:
      matrix:
        defconfig_name:
          - qemu_x86_defconfig
          - qemu_x86_64_defconfig
          - raspberrypi4_defconfig
          - raspberrypi4_64_defconfig
          - qemu_ppc64le_pseries_defconfig
          - qemu_mips32r2_malta_defconfig
          - qemu_mips64_malta_defconfig
          - qemu_riscv32_virt_defconfig
          - qemu_riscv64_virt_defconfig
        libc_name:
          - glibc
          - uclibc
          - musl
    env:
      CI_VERSION: v1.1
      BUILDROOT_DIRECTORY_NAME: buildroot-${{ matrix.defconfig_name }}-${{ matrix.libc_name }}
    steps:
      - name: Retrieve the prebuilt Buildroot image
        working-directory: /home/runner
        run: |
          wget https://github.com/ppp-project/ppp-ci/releases/download/${{ env.CI_VERSION }}/${{ env.BUILDROOT_DIRECTORY_NAME }}.tar.zst
          tar --zstd --strip-components=2 -xf ${{ env.BUILDROOT_DIRECTORY_NAME }}.tar.zst
      - name: Select the latest PPP upstream version
        working-directory: /home/runner/${{ env.BUILDROOT_DIRECTORY_NAME }}/package/pppd
        run: |
          # Get package sources from head of current branch
          sed -i "/PPPD_VERSION =/c\\PPPD_VERSION = ${GITHUB_SHA}" pppd.mk
      - name: Trigger a PPP package rebuild
        working-directory: /home/runner/${{ env.BUILDROOT_DIRECTORY_NAME }}/output/build
        run: rm -rf pppd*
      - name: Build
        working-directory: /home/runner/${{ env.BUILDROOT_DIRECTORY_NAME }}
        run: make