Compare md5s rather than filesizes

Lets be more robust at the expense of milliseconds of cpu time.

1 files changed, 5 insertions, 3 deletions

diff --git a/Library/Formula/git.rb b/Library/Formula/git.rb
index 1b831d507..784f7f057 100644
--- a/Library/Formula/git.rb
+++ b/Library/Formula/git.rb
@@ -24,10 +24,12 @@ class Git <Formula
     # these files are exact copies of the git binary, so like the contents
     # of libexec/git-core lets hard link them
     # I am assuming this is an overisght by the git devs
+    git_md5 = (bin+'git').md5
     %w[git-receive-pack git-upload-archive].each do |fn|
-      next unless (bin+'git').stat.size == (bin+fn).stat.size
-      (bin+fn).unlink
-      (bin+fn).make_link bin+'git'
+      fn = bin + fn
+      next unless git_md5 == fn.md5
+      fn.unlink
+      fn.make_link bin+'git'
     end
 
     # we could build the manpages ourselves, but the build process depends