From 2488cfa55a63cbe12400064a0af0576512520dcb Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Wed, 22 May 2013 11:11:21 -0500
Subject: [PATCH] Factor out MacOS.locate("install_name_tool") calls

---
 Library/Homebrew/keg_fix_install_names.rb | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/Library/Homebrew/keg_fix_install_names.rb b/Library/Homebrew/keg_fix_install_names.rb
index bdb98286f7..b3fa01604b 100644
--- a/Library/Homebrew/keg_fix_install_names.rb
+++ b/Library/Homebrew/keg_fix_install_names.rb
@@ -4,23 +4,23 @@ class Keg
     mach_o_files.each do |file|
       install_names_for file do |id, bad_names|
         file.ensure_writable do
-          system MacOS.locate("install_name_tool"), "-id", id, file if file.dylib?
+          install_name_tool("-id", id, file) if file.dylib?
 
           bad_names.each do |bad_name|
             # If file is a dylib or bundle itself, look for the dylib named by
             # bad_name relative to the lib directory, so that we can skip the more
             # expensive recursive search if possible.
             if file.dylib? or file.mach_o_bundle? and (file.parent + bad_name).exist?
-              system MacOS.locate("install_name_tool"), "-change", bad_name, "@loader_path/#{bad_name}", file
+              install_name_tool("-change", bad_name, "@loader_path/#{bad_name}", file)
             elsif file.mach_o_executable? and (lib/bad_name).exist?
-              system MacOS.locate("install_name_tool"), "-change", bad_name, "#{lib}/#{bad_name}", file
+              install_name_tool("-change", bad_name, "#{lib}/#{bad_name}", file)
             else
               # Otherwise, try and locate the dylib by walking the entire
               # lib tree recursively.
               abs_name = find_dylib(Pathname.new(bad_name).basename)
 
               if abs_name and abs_name.exist?
-                system MacOS.locate("install_name_tool"), "-change", bad_name, abs_name, file
+                install_name_tool("-change", bad_name, abs_name, file)
               else
                 opoo "Could not fix install names for #{file}"
               end
@@ -36,11 +36,11 @@ class Keg
       install_names_for(file, relocate_reject_proc(old_prefix)) do |id, old_prefix_names|
         file.ensure_writable do
           new_prefix_id = id.to_s.gsub old_prefix, new_prefix
-          system MacOS.locate("install_name_tool"), "-id", new_prefix_id, file if file.dylib?
+          install_name_tool("-id", new_prefix_id, file) if file.dylib?
 
           old_prefix_names.each do |old_prefix_name|
             new_prefix_name = old_prefix_name.to_s.gsub old_prefix, new_prefix
-            system MacOS.locate("install_name_tool"), "-change", old_prefix_name, new_prefix_name, file
+            install_name_tool("-change", old_prefix_name, new_prefix_name, file)
           end
         end
       end
@@ -49,7 +49,7 @@ class Keg
         file.ensure_writable do
           old_cellar_names.each do |old_cellar_name|
             new_cellar_name = old_cellar_name.to_s.gsub old_cellar, new_cellar
-            system MacOS.locate("install_name_tool"), "-change", old_cellar_name, new_cellar_name, file
+            install_name_tool("-change", old_cellar_name, new_cellar_name, file)
           end
         end
       end
@@ -60,6 +60,10 @@ class Keg
 
   OTOOL_RX = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
 
+  def install_name_tool(*args)
+    system(MacOS.locate("install_name_tool"), *args)
+  end
+
   def lib; join 'lib' end
 
   def default_reject_proc