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.

1 files changed, 11 insertions, 4 deletions

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