[ostree/wip/ostbuild-v2] ostbuild: Fix component duplication

[Colin Walters <walters src gnome org>]

commit 579e91f6e431aaba31cc1ed3c306b890f7998c47
Author: Colin Walters <walters verbum org>
Date:   Tue Apr 24 20:52:16 2012 -0400

    ostbuild: Fix component duplication

 .../pyostbuild/builtin_build_components.py         |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ostbuild/pyostbuild/builtin_build_components.py b/src/ostbuild/pyostbuild/builtin_build_components.py
index a180cd3..5cc2bcc 100755
--- a/src/ostbuild/pyostbuild/builtin_build_components.py
+++ b/src/ostbuild/pyostbuild/builtin_build_components.py
@@ -208,9 +208,9 @@ class OstbuildBuildComponents(builtins.Builtin):
                 (name, arch) = tree_content['name'].rsplit('/', 1)
                 required_components[name] = self.snapshot['components'][name]
                 if name not in component_architectures:
-                    component_architectures[name] = [arch]
+                    component_architectures[name] = set([arch])
                 else:
-                    component_architectures[name].append(arch)
+                    component_architectures[name].add(arch)
 
         build_component_order = []
         if len(args.components) == 0: