config: prettify sha method

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
2011-12-28 19:30:34 -06:00 · 2011-12-28 19:30:34 -06:00 · 647e7f1126
commit 647e7f1126
parent d83076c07e
1 changed files with 3 additions and 1 deletions
--- a/Library/Homebrew/cmd/--config.rb
+++ b/Library/Homebrew/cmd/--config.rb
@ -30,7 +30,9 @@ module Homebrew extend self
  end

  def sha
-    sha = `cd #{HOMEBREW_REPOSITORY} && git rev-parse --verify HEAD 2> /dev/null`.chomp
+    sha = HOMEBREW_REPOSITORY.cd do
+      `git rev-parse --verify -q HEAD 2>/dev/null`.chomp
+    end
    if sha.empty? then "(none)" else sha end
  end