docs is an alias for doc sometimes apparently

We don't install documentation to save space. It seems pointless in this
modern age where the online docs are probably more up to date. However I do
believe this should be an option, defaulting to "don't install".

Library/Homebrew/brew.h.rb

@@ -236,11 +236,13 @@ class Cleaner
     
     [f.bin, f.sbin, f.lib].each {|d| clean_dir d}
     
-    # you can read all of this shit online nowadays, save the space
-    # info pages are shit, everyone agrees apart from Richard Stallman
+    # you can read all of this stuff online nowadays, save the space
+    # info pages are pants, everyone agrees apart from Richard Stallman
+    # feel free to ask for build options though! http://bit.ly/Homebrew
     (f.prefix+'share'+'doc').rmtree rescue nil
     (f.prefix+'share'+'info').rmtree rescue nil
     (f.prefix+'doc').rmtree rescue nil
+    (f.prefix+'docs').rmtree rescue nil
     (f.prefix+'info').rmtree rescue nil
   end
 

Library/Homebrew/utils.rb

@@ -49,7 +49,13 @@ end
 
 def interactive_shell
   pid=fork
-  exec ENV['SHELL'] if pid.nil?
+  if pid.nil?
+    # TODO make the PS1 var change pls
+    #brown="\[\033[0;33m\]"
+    #reset="\[\033[0m\]"
+    #ENV['PS1']="Homebrew-#{HOMEBREW_VERSION} #{brown}\W#{reset}\$ "
+    exec ENV['SHELL']
+  end
   Process.wait pid
   raise SystemExit, "Aborting due to non-zero exit status" if $? != 0
 end