1 files changed, 53 insertions, 0 deletions
diff --git a/bzrlib/transport/brokenrename.py b/bzrlib/transport/brokenrename.py
new file mode 100644
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--- /dev/null
+++ b/bzrlib/transport/brokenrename.py
@@ -0,0 +1,53 @@
+# Copyright (C) 2007 Canonical Ltd
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+"""Transport implementation that doesn't detect clashing renames.
+"""
+
+from __future__ import absolute_import
+
+from bzrlib import (
+        errors,
+        urlutils,
+        )
+from bzrlib.transport import decorator
+
+
+class BrokenRenameTransportDecorator(decorator.TransportDecorator):
+    """A transport that fails to detect clashing renames"""
+
+    @classmethod
+    def _get_url_prefix(self):
+        """FakeNFS transports are identified by 'brokenrename+'"""
+        return 'brokenrename+'
+
+    def rename(self, rel_from, rel_to):
+        """See Transport.rename().
+        """
+        try:
+            if self._decorated.has(rel_to):
+                rel_to = urlutils.join(rel_to, urlutils.basename(rel_from))
+            self._decorated.rename(rel_from, rel_to)
+        except (errors.DirectoryNotEmpty, errors.FileExists), e:
+            # absorb the error
+            return
+
+
+def get_test_permutations():
+    """Return the permutations to be used in testing."""
+    # we don't use this for general testing, only for the tests that
+    # specifically want it
+    return []