Contents

#!/usr/bin/env bash

add(){
  token="$1"
  eval "${token}_flag=1" ; shift
  if [[ ! -z "$format" ]] ; then
    format="${format}-\$${token}"
  else
    format="\$${token}"
  fi
}

if which ruby 2>/dev/null | grep -q 'rvm' ; then
  unset format
  while [[ $# -gt 0 ]] ; do
    token="$1" ; shift
    case "$token" in
      i|interpreter)  add "interpreter"  ;;
      v|version)      add "version"      ;;
      p|patchlevel)   add "patchlevel"   ;;
      r|revision)     add "revision"     ;;
      a|architecture) add "architecture" ;;
      *) echo "Unrecognized command line option '$token' for $0" ; exit 1 ;;
    esac
  done

  if [[ -z "$format" ]] ; then
    add "interpreter"
    add "version"
    add "patchlevel"
  fi

  ruby_string=$(dirname "$(which ruby 2>/dev/null)" | xargs dirname | xargs basename)

  (( $interpreter_flag ))  && interpreter="$(echo $ruby_string | awk -F'-' '{print $1}')"
  (( $version_flag ))      && version="$(echo $ruby_string | awk -F'-' '{print $2}')"
  (( $patchlevel_flag ))   && patchlevel=$(echo $ruby_string | awk -F'-' '{print $3}')
  (( $architecture_flag )) && architecture="$(echo "$(ruby -v)" | sed 's/^.*\[//' | sed 's/\].*$//')"

  command="prompt=\"[$format]\""
  eval "$command"
  echo "${prompt/-]/]}"
fi

exit 0

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rvm-0.0.97	binscripts/rvm-prompt