task 2.1.2

Closes Homebrew/homebrew#15012.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/task.rb

@@ -2,17 +2,15 @@ require 'formula'
 
 class Task < Formula
   homepage 'http://www.taskwarrior.org/'
-  url 'http://www.taskwarrior.org/download/task-2.1.1.tar.gz'
-  sha1 'c23cb320f3478e37527c5c3cc547286f97bacc7c'
+  url 'http://www.taskwarrior.org/download/task-2.1.2.tar.gz'
+  sha1 '4cd5a5cb562fa407f097e2cd7e7293183773cf5b'
 
   depends_on "cmake" => :build
 
-  skip_clean :all
-
   def install
     system "cmake", ".", *std_cmake_args
     system "make install"
-    (etc+'bash_completion.d').install 'scripts/bash/task.sh'
-    (share+'zsh/site-functions').install   'scripts/zsh/_task'
+    (prefix/'etc/bash_completion.d').install 'scripts/bash/task.sh'
+    (share/'zsh/site-functions').install 'scripts/zsh/_task'
   end
 end