From d618e574fb641de7d820208dec51bebe460cf32f Mon Sep 17 00:00:00 2001
From: William Woodruff
Date: Mon, 28 Aug 2017 17:33:57 -0400
Subject: mach: Avoid reopening the file for relocation

This commit allows the relocation code to perform install name
and dylib ID changes without reopening the file separately.
---
 Library/Homebrew/extend/os/mac/keg_relocate.rb | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'Library/Homebrew/extend/os')

diff --git a/Library/Homebrew/extend/os/mac/keg_relocate.rb b/Library/Homebrew/extend/os/mac/keg_relocate.rb
index 707710be6..7a1f42f8b 100644
--- a/Library/Homebrew/extend/os/mac/keg_relocate.rb
+++ b/Library/Homebrew/extend/os/mac/keg_relocate.rb
@@ -2,7 +2,10 @@ class Keg
   def fix_dynamic_linkage
     mach_o_files.each do |file|
       file.ensure_writable do
-        change_dylib_id(dylib_id_for(file), file) if file.dylib?
+        if file.dylib?
+          @require_relocation = true
+          file.change_dylib_id(dylib_id_for(file))
+        end
 
         each_install_name_for(file) do |bad_name|
           # Don't fix absolute paths unless they are rooted in the build directory
@@ -11,7 +14,9 @@ class Keg
                   !bad_name.start_with?(HOMEBREW_TEMP.realpath.to_s)
 
           new_name = fixed_name(file, bad_name)
-          change_install_name(bad_name, new_name, file) unless new_name == bad_name
+
+          @require_relocation = true
+          file.change_install_name(bad_name, new_name, file)
         end
       end
     end
@@ -23,8 +28,9 @@ class Keg
     mach_o_files.each do |file|
       file.ensure_writable do
         if file.dylib?
+          @require_relocation = true
           id = dylib_id_for(file).sub(relocation.old_prefix, relocation.new_prefix)
-          change_dylib_id(id, file)
+          file.change_dylib_id(id)
         end
 
         each_install_name_for(file) do |old_name|
@@ -34,7 +40,8 @@ class Keg
             new_name = old_name.sub(relocation.old_prefix, relocation.new_prefix)
           end
 
-          change_install_name(old_name, new_name, file) if new_name
+          @require_relocation = true
+          file.change_install_name(old_name, new_name) if new_name
         end
       end
     end
-- 
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