[gnome-ostree] build: Ensure --patchdir actually overrides again

[Colin Walters <walters src gnome org>]

commit 103997900c0d8d5b32d5cbdf587f60139d20f98a
Author: Colin Walters <walters verbum org>
Date:   Thu Sep 20 18:05:26 2012 -0400

    build: Ensure --patchdir actually overrides again
    
    Regression introduced by patch checkout optimizations.

 src/ostbuild/pyostbuild/builtin_build.py |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/ostbuild/pyostbuild/builtin_build.py b/src/ostbuild/pyostbuild/builtin_build.py
index 8fced39..8107bda 100755
--- a/src/ostbuild/pyostbuild/builtin_build.py
+++ b/src/ostbuild/pyostbuild/builtin_build.py
@@ -145,7 +145,9 @@ class OstbuildBuild(builtins.Builtin):
 
         if 'patches' in expanded_component:
             patches_revision = expanded_component['patches']['revision']
-            if self.cached_patchdir_revision == patches_revision:
+            if self.args.patches_path:
+                patchdir = self.args.patches_path
+            elif self.cached_patchdir_revision == patches_revision:
                 patchdir = self.patchdir
             else:
                 patchdir = vcs.checkout_patches(self.mirrordir,