EMSUSD-594 material dup ten times

lib/mayaUsd/ufe/UsdUndoDuplicateCommand.cpp

@@ -111,6 +111,7 @@ void UsdUndoDuplicateCommand::execute()
 
     MayaUsdUtils::MergePrimsOptions options;
     options.verbosity = MayaUsdUtils::MergeVerbosity::None;
+    options.mergeChildren = true;
     bool isFirst = true;
 
     for (const SdfPrimSpecHandle& layerAndPath : authLayerAndPaths) {

lib/mayaUsd/ufe/UsdUndoDuplicateSelectionCommand.cpp

@@ -198,14 +198,9 @@ bool UsdUndoDuplicateSelectionCommand::updateSdfPathVector(
     for (size_t i = 0; i < pathVec.size(); ++i) {
         const PXR_NS::SdfPath& path = pathVec[i];
         PXR_NS::SdfPath        finalPath = path;
-        // Paths are lexicographically ordered, this means we can search quickly for bounds of
-        // candidate paths.
-        auto itPath = otherPairs.lower_bound(finalPath);
-        if (itPath != otherPairs.begin()) {
-            --itPath;
-        }
-        const auto endPath = otherPairs.upper_bound(finalPath);
-        bool       isExternalPath = true;
+        auto                   itPath = otherPairs.begin();
+        const auto             endPath = otherPairs.end();
+        bool                   isExternalPath = true;
         for (; itPath != endPath; ++itPath) {
             if (*itPath == duplicatePair) {
                 // That one was correctly processed by USD when duplicating.

test/lib/ufe/testDuplicateCmd.py

@@ -726,5 +726,56 @@ def testDuplicateUniqueName(self):
         newObjItem = ufe.Hierarchy.createItem(ufe.PathString.path(newObj[0]))
         self.assertEqual(newObjItem.nodeName(), 'Cone3')
 
+    def testConnectionWithChangingOrderOfTen(self):
+        '''
+        Test duplicating a prim that has mateiral connections
+        when the new prim name suffix will increase to a new power of ten
+        (ex: 9 > 10), as opposed to having the same suffix length (ex: 4 -> 5).
+
+        The connections should not be lost.
+        '''
+
+        cmds.file(new=True, force=True)
+
+        usdFile = testUtils.getTestScene("dup_material", "dup_material.usda")
+        stageDagPath, usdStage = mayaUtils.createProxyFromFile(usdFile)
+        dupSourceUfePathString = ','.join([stageDagPath, "/rock2"])
+
+        cmds.duplicate(dupSourceUfePathString)
+
+        # Verify that the duplicated item still has connections.
+        destPrim = usdStage.GetPrimAtPath('/rock10')
+        self.assertIsNotNone(destPrim)
+
+        destPrim = usdStage.GetPrimAtPath('/rock10')
+        self.assertIsNotNone(destPrim)
+        self.assertTrue(destPrim)
+
+        prim_paths_and_attr_names = [
+            ('/rock10/mtl/rock_moss_set_01_rock01SG', 'outputs:surface'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/standardSurface2', 'inputs:diffuseColor'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/standardSurface2', 'inputs:roughness'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/standardSurface2', 'inputs:specularColor'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/normalmap_texture', 'inputs:st'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/place2dTexture3', 'inputs:varname'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/base_color_texture', 'inputs:st'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/place2dTexture1', 'inputs:varname'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/roughness_texture', 'inputs:st'),
+            ('/rock10/mtl/rock_moss_set_01_rock01SG/place2dTexture2', 'inputs:varname'),
+        ]
+
+        for primPath, attrName in prim_paths_and_attr_names:
+            prim = usdStage.GetPrimAtPath(primPath)
+            self.assertIsNotNone(prim)
+            self.assertTrue(prim)
+
+            prop = prim.GetProperty(attrName)
+            self.assertIsNotNone(prop)
+            self.assertTrue(prop)
+            propConnections = prop.GetConnections()
+            self.assertIsNotNone(propConnections)
+            self.assertEqual(len(propConnections), 1)
+            self.assertTrue(str(propConnections[0]).startswith('/rock10/mtl'))
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)