display ruby version

themes/bira/README.md

@@ -3,10 +3,9 @@
 Theme imported from Oh my ZSH: https://github.com/robbyrussell/oh-my-zsh/blob/master/themes/bira.zsh-theme
 Contains traces of nuts and code from other Oh my fish themes.
 
-Display username, hostname, current path and git status. Display the latest error status in the right prompt.
+Display username, hostname, current path, ruby version and git status. Display the latest error status in the right prompt.
 
-![bira theme](https://raw.github.com/vincent-psarga/oh-my-fish/master/themes/bira/screenshot.png)
+![bira theme](https://cloud.githubusercontent.com/assets/1214238/5441541/8bd494dc-8491-11e4-9dbe-256b7e558eac.png)
 
 TODO:
- - display Ruby version
  - display Python version

themes/bira/fish_prompt.fish

@@ -37,10 +37,23 @@ function __git_status
   end
 end
 
+function __ruby_version
+  if type "rvm-prompt" > /dev/null
+    set ruby_version (rvm-prompt i v g)
+  else if type "rbenv" > /dev/null
+    set ruby_version (rbenv version-name)
+  else
+    set ruby_version "system"
+  end
+
+  echo -n (set_color red) ‹$ruby_version› (set_color normal)
+end
+
 function fish_prompt
   echo -n (set_color white)"╭─"(set_color normal)
   __user_host
   __current_path
+  __ruby_version
   __git_status
   echo -e ''
   echo (set_color white)"╰─"(set_color --bold white)"\$ "(set_color normal)