#!/usr/bin/env bash

inputs=("nixpkgs" "nixpkgs-unstable" "nixpkgs-master")

SCRIPTPATH="$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"

cd "${SCRIPTPATH}"

inputs="$(for input in "${inputs[@]}"; do echo --update-input ${input} ; done)"
#nix flake update ${inputs}

bfs . -name "flake.nix" -print0 | perl -e 'print sort {$a=~s!/!/! <=> $b=~s!/!/!} <>' | while IFS= read -r -d '' flake
do
    (
	FLAKE_DIR="$(dirname "${flake}")"
	echo "Updating ${FLAKE_DIR}"
	cd "${FLAKE_DIR}"

	nix flake update ${inputs}
    )
done