From 5241932b45d8d0897cb1af0f9c6dccf6c2250d29 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Fri, 11 Sep 2015 16:32:14 +0800
Subject: [PATCH] keg_relocate: fix absolute symlink

---
 Library/Homebrew/keg_relocate.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Library/Homebrew/keg_relocate.rb b/Library/Homebrew/keg_relocate.rb
index f0d6abefed..963f219ba8 100644
--- a/Library/Homebrew/keg_relocate.rb
+++ b/Library/Homebrew/keg_relocate.rb
@@ -16,6 +16,15 @@ class Keg
         end
       end
     end
+
+    symlink_files.each do |file|
+      link = file.readlink
+      # Don't fix relative symlinks
+      next unless link.absolute?
+      if link.to_s.start_with?(HOMEBREW_CELLAR.to_s) || link.to_s.start_with?(HOMEBREW_PREFIX.to_s)
+        FileUtils.ln_sf(link.relative_path_from(file.parent), file)
+      end
+    end
   end
 
   def relocate_install_names(old_prefix, new_prefix, old_cellar, new_cellar, options = {})
@@ -184,4 +193,13 @@ class Keg
     end if lib.directory?
     libtool_files
   end
+
+  def symlink_files
+    symlink_files = []
+    path.find do |pn|
+      symlink_files << pn if pn.symlink?
+    end
+
+    symlink_files
+  end
 end