my git-prompt

git-prompt.sh

#!/usr/bin/env bash
# coding: utf-8

# PROMPT

# more compact
# export PS1="\u@\h\w$ "
# export PS1=">: "                  # LOST style
# export PS1='> '                   # Terminal Icon style

# Colored Terminal Icon style, with git project and branch when in git dir
# the $'...' solution prevents readline from messing up when walkin history:
# ( See:
#   http://forums.macosxhints.com/showthread.php?t=90387
#   
#   $'...' instead of "...", to force \e to expand to ESC. It's a bash option 
#   whether that expansion happens inside "...", and it's usually safer if it 
#   doesn't, to guard against filenames containing escape sequences."
# )
 
clear=$'\[\e[0m\]'
red=$'\[\e[31m\]'
green=$'\[\e[32m\]'
yellow=$'\[\e[33m\]'
blue=$'\[\e[34m\]'
purple=$'\[\e[35m\]'
cyan=$'\[\e[36m\]'
gray=$'\[\e[37m\]'

# function git_dir {
# 	gitdir=`git pwd` && test -f "$gitdir/.git/HEAD" && basename $gitdir
# }
# 
# function git_branch {
# 	if gitdir=`git pwd` && test -f "$gitdir/.git/HEAD"
# 	then
# 		git_head=`cat $gitdir/.git/HEAD`
# 		git_head="${git_head#ref\: refs\/heads\/}"
# 		git_sha=`git rev-parse --short $git_head 2> /dev/null`
# 		if test -n $git_sha
# 		then
# 			echo -n ":"$git_head
# 		else
# 			match=`expr $git_head : $git_sha`
# 			
# 			# If git_ref contains git_sha then use sha which is shorter
# 			if test $match = '0'
# 			then
# 				echo -n ":"$git_head
# 			else
# 				echo -n ":"$git_sha
# 			fi
# 		fi
# 	fi
# }
# 
# function base_git_dir {
# 	gitdir=$(git_dir) && test -f "$gitdir/.git/HEAD" && basename $gitdir
# }

function __git_base_dir {
	(__gitdir > /dev/null) && cd "$(__gitdir)" && cd .. && basename "$(pwd)"
}

function __bundler_dir () {
	if [ $BUNDLE_GEMFILE ]; then
		# ¤вβ◘♥♣
		echo -n "¤ "
	fi
}


export PS1="$cyan\$(__bundler_dir)$red\$(__git_base_dir)$green\$(__git_ps1 \":%s\")$yellow>$clear "



# To include this custom prompt put this file in "~/bin/" and and put the 
# following lines in "~/.profile".
# 
# # Include Custom prompt
# . ~/bin/custom-prompt.sh