prezto/modules/ruby/functions/ruby-info

#
# Exposes information about the Ruby environment via the $ruby_info associative
# array.
#
# Authors:
#   Sorin Ionescu <sorin.ionescu@gmail.com>
#

local version
local version_format
local version_formatted

# Clean up previous $ruby_info.
unset ruby_info
typeset -gA ruby_info

if (( $+commands[rvm-prompt] )); then
  version="$(rvm-prompt)"
elif (( $+commands[rbenv] )); then
  version="$(rbenv version-name)"
elif (( $+commands[ruby] )); then
  version="${${$(ruby --version)[(w)1,(w)2]}/ /-}"
fi

# Format version.
if [[ -n "$version" ]]; then
  zstyle -s ':prezto:module:ruby:info:version' format 'version_format'
  zformat -f version_formatted "$version_format" "v:$version"
  ruby_info[version]="$version_formatted"
fi