cd relative to the current Git repo

cdg.bash

#!/bin/bash
#
# cd relative to the current Git repo
#
# Author: Justin Hileman (http://justinhileman.com)
#
# Installation:
#     Add the following function to your `.bashrc` or `.bash_profile`,
#     or save it somewhere (e.g. `~/.cdg.bash`) and source it in `.bashrc`
#
# Usage:
#     cdg [path relative to git dir]

cdg () {
	[[ ! -z $(which git 2> /dev/null) ]] && [[ $(git status 2> /dev/null) ]] && cd "./$(git rev-parse --show-cdup)/$1"
}

Awesome! Works perfectly, and super short. Thanks for sharing!