Insert in .bashrc to display RVM gemset and git branch in shell prompt.

gistfile1.eclass

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

RED="\[\033[0;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"
BLUE="\[\033[1;34m\]"
NO_COLOUR="\[\033[0m\]"

export PS1="$BLUE[$GREEN\$(~/.rvm/bin/rvm-prompt),\$(parse_git_branch)$BLUE] \h:\W$NO_COLOUR "