function parse_git_branch {
 git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ \[\1\]/'
}

function prompt {
 local        BLUE="\[\033[0;34m\]"

# OPTIONAL - if you want to use any of these other colors:
 local         RED="\[\033[0;31m\]"
 local   LIGHT_RED="\[\033[1;31m\]"
 local       GREEN="\[\033[0;32m\]"
 local LIGHT_GREEN="\[\033[1;32m\]"
 local       WHITE="\[\033[1;37m\]"
 local  LIGHT_GRAY="\[\033[0;37m\]"
# END OPTIONAL
 local     DEFAULT="\[\033[0m\]"
 export PS1="\h:\w \u$LIGHT_RED\$(parse_git_branch) $DEFAULT\$ "
}

prompt