Always link symlinks directly

Library/Homebrew/keg.rb

@@ -384,7 +384,7 @@ class Keg
       dst = HOMEBREW_PREFIX + src.relative_path_from(path)
       dst.extend ObserverPathnameExtension
 
-      if src.file?
+      if src.symlink? || src.file?
         Find.prune if File.basename(src) == '.DS_Store'
         # Don't link pyc files because Python overwrites these cached object
         # files and next time brew wants to link, the pyc file is in the way.
@@ -403,15 +403,6 @@ class Keg
           make_relative_symlink dst, src, mode
         end
       elsif src.directory?
-        # If the `src` in the Cellar is a symlink itself, link it directly.
-        # For example Qt has `Frameworks/QtGui.framework -> lib/QtGui.framework`
-        # Not making a link here, would result in an empty dir because the
-        # `src` is not followed by `find`.
-        if src.symlink? && !dst.exist?
-          make_relative_symlink dst, src, mode
-          Find.prune
-        end
-
         # if the dst dir already exists, then great! walk the rest of the tree tho
         next if dst.directory? and not dst.symlink?
         # no need to put .app bundles in the path, the user can just use

Library/Homebrew/test/test_keg.rb

@@ -199,4 +199,22 @@ class LinkTests < Homebrew::TestCase
     @dst.delete
     assert_equal 3, @keg.unlink
   end
+
+  def test_pkgconfig_is_mkpathed
+    link = HOMEBREW_PREFIX.join("lib", "pkgconfig")
+    @keg.join("lib", "pkgconfig").mkpath
+    @keg.link
+    assert_predicate link.lstat, :directory?
+  end
+
+  def test_symlinks_are_linked_directly
+    link = HOMEBREW_PREFIX.join("lib", "pkgconfig")
+
+    @keg.join("lib", "example").mkpath
+    @keg.join("lib", "pkgconfig").make_symlink "example"
+    @keg.link
+
+    assert_predicate link.resolved_path, :symlink?
+    assert_predicate link.lstat, :symlink?
+  end
 end