#/usr/bin/env sh

# Build a disk image for testing on pindakaas via sd card

export NIXPKGS_ALLOW_UNFREE=1
extra=""
if [ "$(uname -m)" != "aarch64" ]
then
    # If we have binfmt QEMU (https://nixos.wiki/wiki/NixOS_on_ARM#Compiling_through_binfmt_QEMU),
    # we can pretend we're aarch64.
    if [ -f /proc/sys/fs/binfmt_misc/qemu-aarch64 ]
    then
        extra="--argstr system aarch64-linux"
    # Otherwise, use cross-compilation...
    # theorically faster but doesn't use the cache and never got it to build a full customized image
    else
        extra="--argstr nixpkgs.crossSystem.system aarch64-linux"
    fi
fi
nix-build '<nixpkgs/nixos>' -A config.system.build.sdImage -I nixos-config=./pindakaas.nix $extra --show-trace