#!/usr/bin/env zsh

emulate -L zsh -o err_return

git submodule sync --recursive

if [[ "$1" == "--new" ]]; then
	# Only checkout new submodules

	local toplevel
	toplevel="$(git rev-parse --show-toplevel)"
	cd "$toplevel"

	grep path .gitmodules \
	| cut -d= -f2 \
	| sed 's/^\s*//' \
	| xargs -I'{}' find '{}' -maxdepth 0 -empty \
	| xargs -L1 git submodule update --init --recursive --
else
	git submodule update --init --recursive
fi