#!/usr/bin/env zsh

setopt EXTENDED_GLOB

typeset -a nixFiles
nixFiles=(**/(*~(default|shell)).nix(N))

for f (${nixFiles}); do
    [[ -e ${f:r}.cabal ]] && continue
    nixFiles=("${(@)nixFiles:#${f}}")
done

print -l ${nixFiles} | gup --contents
for f (${nixFiles}); do
    gup -u ${f}
done