Bash PS1 git and svn repo info

gistfile1.sh

# Special repo status function for git and svn
__repo_ps1 () {
	local info=$(svn info 2> /dev/null)
	
	# if not a svn repo, then try the git method
	if [[ -z "$info" ]] ; then
		echo -n "$(__git_ps1)"
		return
	fi
	
	# if it is a svn repo, then strip info out of it
	local svnrev=$(echo "$info" | awk '/Revision:/ {print $2}')
	local flag=
	
	# if we want to show dirty state then exec svn status
	if [ $SVN_PS1_SHOWDIRTYSTATE ] ; then
		local state=$(svn status --ignore-externals "$(echo "$info" | sed -n "s/Working Copy Root Path: \(.\+\)/\1/p")" 2> /dev/null)
		
		# make the file status conditions unique if there are changes
		if [ -n "$state" ]; then
			flag=" *"$(echo "$state" | awk '{print $1}' | uniq | sort | tr -d '\n')
		fi
	fi
	
	echo -n " ($svnrev$flag)"
}