Add bass and change theme to l #fishshell

config/fish/functions/fish_right_prompt.fish

@@ -1,29 +1,37 @@
+# To show the right prompt please set
+# set theme_display_rbenv 'yes' (config.fish)
+# set theme_display_rbenv_gemset 'yes' (config.fish)
+# set theme_display_rbenv_with_gemfile_only 'yes' (config.fish)
 
-function get_git_status -d "Gets the current git status"
-  if command git rev-parse --is-inside-work-tree >/dev/null 2>&1
-    set -l dirty (command git status -s --ignore-submodules=dirty | wc -l | sed -e 's/^ *//' -e 's/ *$//' 2> /dev/null)
-    set -l ref (command git describe --tags --exact-match ^/dev/null ; or command git symbolic-ref --short HEAD 2> /dev/null ; or command git rev-parse --short HEAD 2> /dev/null)
-
-    if [ "$dirty" != "0" ]
-      set_color -b normal
-      set_color red
-      echo "$dirty changed file"
-      if [ "$dirty" != "1" ]
-        echo "s"
-      end
-      echo " "
-      set_color -b red
-      set_color white
-    else
-      set_color -b cyan
-      set_color white
-    end
-
-    echo " $ref "
-    set_color normal
-   end
+function _ruby_version
+  echo (command rbenv version-name | sed 's/\n//')
 end
 
-function fish_right_prompt -d "Prints right prompt"
-  get_git_status
-end
+function _ruby_gemset
+  echo (command rbenv gemset active ^/dev/null | sed -e 's| global||')
+end
+
+function fish_right_prompt
+  if [ "$theme_display_rbenv" = 'yes' ]
+    set -l red (set_color red)
+    set -l normal (set_color normal)
+    set ruby_info $red(_ruby_version)
+
+    if [ "$theme_display_rbenv_gemset" = 'yes' ]
+      if [ (_ruby_gemset) ]
+        set -l ruby_gemset $red(_ruby_gemset)
+        set ruby_info "$ruby_info@$ruby_gemset"
+      end
+    end
+
+    if [ "$theme_display_rbenv_with_gemfile_only" = 'yes' ]
+      if test -f Gemfile
+        echo -n -s $ruby_info $normal
+      else
+        echo -n -s $normal
+      end
+    else
+      echo -n -s $ruby_info $normal
+    end
+  end
+end