NixOS_ARM_SDImages/.github/workflows/Build_SDImage_aarch64.yml

name: Build OS Image - AARCH64
on:
  workflow_dispatch:

jobs:
  build-default-image:
    name: Build OS image - AARCH64
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v3
      - name: Install Nix
        uses: cachix/install-nix-action@v23
        #uses: DeterminateSystems/nix-installer-action@v4
        with:
          # Pin because the latest all-hardware profile changes
          # https://github.com/NixOS/nixpkgs/pull/128532
          #nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/c23146505c35a07bafbecf36af4f9ebde2bb7dfd.tar.gz
          nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/release-23.05.tar.gz
          extra_nix_config: |
            extra-platforms = aarch64-linux
      - name: Run the Magic Nix Cache
        uses: DeterminateSystems/magic-nix-cache-action@v2

      - name: Show nixpkgs version
        run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'

      - run: |
          sudo apt -y install qemu-user-static

      - name: Test binfmt
        run: |
          cat /proc/sys/fs/binfmt_misc/qemu-aarch64
          /usr/bin/qemu-aarch64-static --version

      - name: Build SD Image
        run: |
          nix-build '<nixpkgs/nixos>'  \
            -A config.system.build.sdImage \
            -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/c23146505c35a07bafbecf36af4f9ebde2bb7dfd.tar.gz \
            -I nixos-config=./sd-image_aarch64.nix \
            --argstr system aarch64-linux 

      - uses: actions/upload-artifact@v2
        with:
          name: sd-image_aarch64.img
          path: ./result/sd-image/*.img*