subgit.sh

#!/usr/bin/env sh

# subgit
#
# A tiny wrapper around git to help you manage 
# Git sub-projects easily, safely, and simply.
#
# Created by Rusty Klophaus (@rklophaus)
#
# See http://rklophaus.com/subgit for usage.

if [ "$1" = "setup" ]; then
	if [ -d ".git" ]; then
		mv .git .subgit
		echo "Converted to a subgit repository."
		exit 0
	else
		echo "Could not find .git directory."
		exit -1
	fi
fi

DIR=`pwd`
while [ ! -d "$DIR/.subgit" ] && [ ! "$DIR" = "/" ]; do
	DIR=`dirname $DIR`
done

if [ $DIR = "/" ]; then
	echo "Not in a subgit repository!"
	exit -1
fi

git --git-dir=$DIR/.subgit "$@"