GIT branch in your bash prompt
$(git branch &>/dev/null; if [ $? -eq 0 ]; then echo " ($(git branch | grep '^* ' |sed s/\*\ //))"; fi)
Example of my prompt
PS1='\w$(git branch &>/dev/null; if [ $? -eq 0 ]; then echo "($(git branch | grep '^*' |sed s/\*\ //))"; fi)\$ '