build_bare_flavors

#!/usr/bin/env bash

set -eufo pipefail

arch=

while [ $# -gt 0 ]; do
	case "$1" in
		-a|--arch)
			arch="$2"
			shift 2
			;;
		*)
			break
			;;
	esac
done

if [ -z "$arch" ]; then
	case "$(uname -m)" in
		x86_64)
			arch=amd64
			;;
		aarch64|arm64)
			arch=arm64
			;;
		*)
			exit 1
			;;
	esac
fi

config="bare_flavors/${1:-libc}"

base_cname="$(cat "$config/base")-$arch"
target_cname="$(cat "$config/target")-$arch"

./build "$base_cname" "$target_cname"

base_oci=".build/$(grep '\.oci$' ".build/$base_cname")"
target_oci=".build/$(grep '\.oci$' ".build/$target_cname")"

args=(--print-tree "--$(cat "$config/mode")")

if [ -f "$config/include" ]; then
	args+=(--include "$config/include")
fi

if [ -f "$config/exclude" ]; then
	args+=(--exclude "$config/exclude")
fi

if [ -f "$config/dpkg_include" ]; then
	args+=(--dpkg-include "$config/dpkg_include")
fi

mkdir -p .build/bare_flavors
./unbase_oci "${args[@]}" "$base_oci" "$target_oci" ".build/$config-$arch.oci"