current git br in command line

.bashrc

function parse_git_branch () {
       git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

BLUE="\[\033[0;36m\]"
DARK_BLUE="\[\033[1;34m\]"
RED="\[\033[0;31m\]"
DARK_RED="\[\033[1;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"
GRAY="\[\033[1;30m\]"
LIGHT_GRAY="\[\033[0;37m\]"
NO_COLOR="\[\033[0m\]"

PS1="$LIGHT_GRAY\u@\h$NO_COLOR:\w$YELLOW\$(parse_git_branch)$NO_COLOR\$ "