bash ruby git fancy prompt

gistfile1.txt

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

function parse_ruby_version {
  rbenv version-name
}

     RED="\[\033[0;31m\]"
     YELLOW="\[\033[0;33m\]"
     GREEN="\[\033[0;32m\]"
     NO_COLOUR="\[\033[0m\]"
      
     PS1="$GREEN$(parse_ruby_version)$YELLOW\$(parse_git_branch)$NO_COLOUR:\w$NO_COLOUR\$ "