Add nerd fonts support.

Use better glyphs for Ruby and Python.

README.md

@@ -13,7 +13,9 @@ Be sure to have Oh My Fish installed. Then just:
     omf install bobthefish
 
 You will probably need a [Powerline-patched font][patching] for this to work.
-[I recommend picking one of these][fonts].
+[I recommend picking one of these][fonts]. For more advanced awesome, install a [nerd fonts patched font][nerd-fonts], and enable nerd fonts support:
+
+    set -g theme_nerd_fonts yes
 
 This theme is based loosely on [agnoster][agnoster].
 
@@ -73,6 +75,7 @@ set -g theme_title_display_path no
 set -g theme_title_use_abbreviated_path no
 set -g theme_date_format "+%a %H:%M"
 set -g theme_avoid_ambiguous_glyphs yes
+set -g theme_nerd_fonts yes
 set -g default_user your_normal_user
 ```
 
@@ -90,4 +93,5 @@ set -g default_user your_normal_user
 [screenshot]: http://i.0x7f.us/bobthefish.png
 [patching]:   https://powerline.readthedocs.org/en/latest/fontpatching.html
 [fonts]:      https://github.com/Lokaltog/powerline-fonts
+[nerd-fonts]: https://github.com/ryanoasis/nerd-fonts
 [agnoster]:   https://gist.github.com/agnoster/3712874

fish_prompt.fish

@@ -10,6 +10,11 @@
 #
 #     https://github.com/Lokaltog/powerline-fonts
 #
+# For more advanced awesome, install a nerd fonts patched font (and be sure to
+# enable nerd fonts support with `set -g theme_nerd_fonts yes`):
+#
+#     https://github.com/ryanoasis/nerd-fonts
+#
 # You can override some default prompt options in your config.fish:
 #
 #     set -g theme_display_git no
@@ -23,6 +28,7 @@
 #     set -g theme_display_vi yes
 #     set -g theme_display_vi_hide_mode default
 #     set -g theme_avoid_ambiguous_glyphs yes
+#     set -g theme_nerd_fonts yes
 #     set -g default_user your_normal_user
 
 # ===========================
@@ -389,7 +395,6 @@ function __bobthefish_prompt_virtualfish -S -d "Display activated virtual enviro
     __bobthefish_start_segment $__bobthefish_med_blue $__bobthefish_lt_grey
     echo -n -s $__bobthefish_virtualenv_glyph $version_glyph ' '
   end
-  __bobthefish_start_segment $__bobthefish_med_blue $__bobthefish_lt_grey --bold
   echo -n -s (basename "$VIRTUAL_ENV") ' '
   set_color normal
 end
@@ -447,7 +452,7 @@ function __bobthefish_show_ruby -S -d 'Current Ruby (rvm/rbenv)'
   end
   [ -z "$ruby_version" ]; and return
   __bobthefish_start_segment $__bobthefish_ruby_red $__bobthefish_lt_grey --bold
-  echo -n -s $ruby_version ' '
+  echo -n -s $__bobthefish_ruby_glyph $ruby_version ' '
   set_color normal
 end
 
@@ -485,6 +490,8 @@ function fish_prompt -d 'bobthefish, a fish theme optimized for awesome'
   set -l __bobthefish_virtualenv_glyph        \u25F0
   set -l __bobthefish_pypy_glyph              \u1D56
 
+  set -l __bobthefish_ruby_glyph              ''
+
   # Vagrant glyphs
   set -l __bobthefish_vagrant_running_glyph   \u2191 # ↑ 'running'
   set -l __bobthefish_vagrant_poweroff_glyph  \u2193 # ↓ 'poweroff'
@@ -519,6 +526,11 @@ function fish_prompt -d 'bobthefish, a fish theme optimized for awesome'
 
   set -l __bobthefish_vagrant    48B4FB
 
+  if [ "$theme_nerd_fonts" = "yes" ]
+    set __bobthefish_virtualenv_glyph \uE73C ' '
+    set __bobthefish_ruby_glyph       \uE791 ' '
+  end
+
   # Start each line with a blank slate
   set -l __bobthefish_current_bg