Source Control Management Bash Prompt Highlighting

gistfile1.sh

##
## SCM info
##
scm_info() {
	local bzr_info=`bzr revno --tree 2> /dev/null`
	if [ ${bzr_info} ]; then
		if [ "$(bzr st -S)"  ]; then
			local bzr_color='\033[1;31m'
		else
			local bzr_color='\033[1;36m'
		fi
		echo -e "${bzr_color}bzr:${bzr_info}"
	fi

	git_info=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ "${git_info}" ]; then
		if [ "$(git status -s)"  ]; then
			git_color='\033[1;31m'
		else
			git_color='\033[1;36m'
		fi
		echo -e "${git_color}git:${git_info}"
	fi

	hg_info=`hg branch 2> /dev/null`
	if [ ${hg_info} ]; then
		if [ "$(hg st)"  ]; then
			hg_color='\033[1;31m'
		else
			hg_color='\033[1;36m'
		fi
		echo -e "${hg_color}hg:${hg_info}"
	fi

	if [ -d ${PWD}"/.svn" ]; then
		svn_info=`svn info | grep ^Revision | awk '{print $2}'`
		if [ "$(svn st --ignore-externals -q)"  ]; then
			svn_color='\033[1;31m'
		else
			svn_color='\033[1;36m'
		fi
		echo -e "${svn_color}svn:${svn_info}"
	fi

	if [ -d ${PWD}"/CVS" ]; then
#		if [ "$(svn st)"  ]; then
#			cvs_color='\033[1;31m'
#		else
#			cvs_color='\033[1;36m'
#		fi
#		echo -n "${cvs_color}cvs"
		echo -e "\[\033[1;36m\]cvs"
	fi
}

PS1='\n\[\033[1;32m\][\w] $(scm_info)\[\033[0m\]\n\$ '

##
## / SCM info
##