default.yml

name: default

on: [push]

jobs:
  build:
    permissions: write-all # for releasing
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v1

      - name: Set up pacman
        run: |
          sudo apt-get update
          sudo apt-get install pacman-package-manager \
                                archlinux-keyring libarchive-tools \
                                systemd-container

          sudo mkdir -p /etc/pacman.d
          cat <<-EOF | sudo tee -a /etc/pacman.conf >/dev/null
            [core]
            Include = /etc/pacman.d/mirrorlist

            [extra]
            Include = /etc/pacman.d/mirrorlist
          EOF
          echo Server = 'https://geo.mirror.pkgbuild.com/$repo/os/$arch' | sudo tee /etc/pacman.d/mirrorlist >/dev/null

          sudo cp /bin/bash /bin/sh
          sudo cp /usr/share/keyrings /usr/share/pacman/keyrings -r

          sudo pacman-key --init
          sudo pacman-key --populate archlinux
          sudo pacman -Sy --noconfirm

          # Ubuntu's archlinux-keyring is outdated...
          sudo pacman -Sddw --noconfirm archlinux-keyring
          # why does Ubuntu's pacman looks for keys in
          # /usr/share/keyrings instead of /usr/share/pacman/keyrings??
          sudo bsdtar -C /usr/share/keyrings -xf /var/cache/pacman/pkg/archlinux-keyring-*.zst --strip-components 4 \
            usr/share/pacman/keyrings
          sudo pacman-key --populate archlinux

          # we don't let ./demolinux install these packages
          # since it'd overwrite existing files
          sudo apt-get install arch-install-scripts \
            btrfs-progs dosfstools erofs-utils \
            git gdisk grub-pc libxml2 pv squashfs-tools \
            unzip xfsprogs

          sudo pacman -Sddw --noconfirm devtools grub
          sudo bsdtar -C / -xf /var/cache/pacman/pkg/devtools-*.zst \
            usr/bin/makechrootpkg \
            usr/bin/mkarchroot \
            usr/bin/arch-nspawn \
            usr/share/devtools/lib

          # our patches made to grub-mkconfig inside bin/mkarchiso
          # don't apply to ubuntu's patched grub-mkconfig
          sudo bsdtar -C /usr/sbin --strip-components 2 \
            -xf /var/cache/pacman/pkg/grub-*.zst \
            usr/bin/grub-mkconfig

          # Arch's grub-mkconfig expects grub-probe to be in /usr/bin, not sbin...
          sudo bsdtar -C / \
            -xf /var/cache/pacman/pkg/grub-*.zst \
            usr/bin/grub-probe

      - name: Build an image
        run: ./demolinux build

      - name: Split image into chunks
        run: |
          split -b 2GB out/demolinux*.img demolinux-

      - name: Generate checksums file
        run: |
          sha256sum demolinux-* out/demolinux*.img > sha256sums.txt

      - name: Publish release
        uses: actions/create-release@v1
        id: create_release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: refs/tags/master-${{ github.sha }}
          release_name: Automatic build from master
          body: |
            Automatically built from GitHub actions, from the master branch.
            Probably unstable.
            The image was split into smaller chunks to fit in GitHub releases, you can reassemble it with cat:
              cat demolinux-* > demolinux.img
      - uses: xresloader/upload-to-github-release@main
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          file: "demolinux-*;sha256sums.txt"
          release_id: ${{ steps.create_release.outputs.id }}