From 62be981016cdcee353ab538d089174fd8cce0f9e Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Sat, 22 Aug 2015 13:21:13 +0800
Subject: [PATCH] use Pathname#executable? directly

---
 Library/Homebrew/os/mac.rb | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index c2c909d768..bcaf848581 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -27,8 +27,8 @@ module OS
         @locate[key] = if File.executable?(path = "/usr/bin/#{tool}")
           Pathname.new path
         # Homebrew GCCs most frequently; much faster to check this before xcrun
-        elsif File.executable?(path = "#{HOMEBREW_PREFIX}/bin/#{tool}")
-          Pathname.new path
+        elsif (path = HOMEBREW_PREFIX/"bin/#{tool}").executable?
+          path
         else
           path = Utils.popen_read("/usr/bin/xcrun", "-no-cache", "-find", tool).chomp
           Pathname.new(path) if File.executable?(path)
@@ -39,8 +39,8 @@ module OS
     # Locates a (working) copy of install_name_tool, guaranteed to function
     # whether the user has developer tools installed or not.
     def install_name_tool
-      if File.executable?(path = "#{HOMEBREW_PREFIX}/opt/cctools/bin/install_name_tool")
-        Pathname.new(path)
+      if (path = HOMEBREW_PREFIX/"opt/cctools/bin/install_name_tool").executable?
+        path
       else
         locate("install_name_tool")
       end
@@ -49,8 +49,8 @@ module OS
     # Locates a (working) copy of otool, guaranteed to function whether the user
     # has developer tools installed or not.
     def otool
-      if File.executable?(path = "#{HOMEBREW_PREFIX}/opt/cctools/bin/otool")
-        Pathname.new(path)
+      if (path = HOMEBREW_PREFIX/"opt/cctools/bin/otool").executable?
+        path
       else
         locate("otool")
       end