action.yaml

name: setup-mkosi
description: Install mkosi and all its dependencies

runs:
  using: composite
  steps:

  - name: Dependencies
    shell: bash
    run: |
      # For archlinux-keyring and pacman
      sudo add-apt-repository ppa:michel-slm/kernel-utils
      sudo apt-get update
      sudo apt-get install --assume-yes --no-install-recommends \
        debootstrap \
        zypper \
        dnf \
        pacman-package-manager \
        archlinux-keyring \
        makepkg \
        systemd-container \
        qemu-system-x86 \
        ovmf \
        e2fsprogs \
        xfsprogs \
        squashfs-tools \
        btrfs-progs

      sudo pacman-key --init
      sudo pacman-key --populate archlinux

  # Try to eliminate "Failed to dissect image: Connection timed out" errors from nspawn by compiling
  # systemd-nspawn from v251 from source.
  - name: Update systemd-nspawn
    shell: bash
    working-directory: ${{ github.action_path }}
    run: |
      echo "deb-src http://archive.ubuntu.com/ubuntu/ $(lsb_release -cs) main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list
      sudo apt-get update
      sudo apt-get build-dep systemd
      git clone https://github.com/systemd/systemd-stable --branch v251.2 --depth=1
      meson systemd-stable/build systemd-stable
      ninja -C systemd-stable/build systemd-nspawn
      sudo ln -svf $PWD/systemd-stable/build/systemd-nspawn $(which systemd-nspawn)
      systemd-nspawn --version

  - name: Install
    shell: bash
    run: sudo python3 -m pip install ${{ github.action_path }}