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From cmpil...@apache.org
Subject svn commit: r1396609 - /subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py
Date Wed, 10 Oct 2012 14:06:33 GMT
Author: cmpilato
Date: Wed Oct 10 14:06:32 2012
New Revision: 1396609

URL: http://svn.apache.org/viewvc?rev=1396609&view=rev
Log:
* tools/hook-scripts/persist-ephemeral-txnprops.py
  New pre-commit hook script which copies ephemeral transaction
  properties to new names (so they outlive the transaction).

Added:
    subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py   (with props)

Added: subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py
URL: http://svn.apache.org/viewvc/subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py?rev=1396609&view=auto
==============================================================================
--- subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py (added)
+++ subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py Wed Oct 10 14:06:32
2012
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+#
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+#
+
+"""\
+Usage:
+
+   persist-ephemeral-txnprops.py REPOS_PATH TXN_NAME [PREFIX]
+
+Duplicate ephemeral transaction properties so that the information
+they carry may persist as properties of the revision created once the
+transaction is committed.  This is intended to be used as a Subversion
+pre-commit hook script.
+
+REPOS_PATH is the on-disk path of the repository whose transaction
+properties are being examined/modified.  TXN_NAME is the name of the
+transaction.
+
+By default, ephemeral transaction properties will be copied to new
+properties whose names lack the "svn:" prefix.  "svn:txn-user-agent"
+will, then, persist as "txn-user-agent".  If, however, the optional
+PREFIX string argument is provided, it will be prepended to the base
+property name in place of the "svn:" namespace.  For example, a prefix
+of "acme" will cause the "svn:txn-user-agent" property to be copied
+to "acme:txn-user-agent".
+
+"""
+
+import sys
+import os
+from svn import repos, fs, core
+
+def duplicate_ephemeral_txnprops(repos_path, txn_name, prefix=None):
+  prefix = prefix.rstrip(':')
+  fs_ptr = repos.fs(repos.open(repos_path))
+  txn_t = fs.open_txn(fs_ptr, txn_name)
+  for name, value in fs.txn_proplist(txn_t).items():
+    if name.startswith('svn:txn-'):
+      name = name[4:]
+      if prefix:
+        name = prefix + ':' + name
+      fs.change_txn_prop(txn_t, name, value)
+
+def usage_and_exit(errmsg=None):
+  stream = errmsg and sys.stderr or sys.stdout
+  stream.write(__doc__)
+  if errmsg:
+    stream.write("ERROR: " + errmsg + "\n")
+  sys.exit(errmsg and 1 or 0)
+
+def main():
+  argc = len(sys.argv)
+  if argc < 3:
+    usage_and_exit("Not enough arguments.")
+  if argc > 4:
+    usage_and_exit("Too many arguments.")
+  repos_path = sys.argv[1]
+  txn_name = sys.argv[2]
+  prefix = (argc == 4) and sys.argv[3] or ''
+  duplicate_ephemeral_txnprops(repos_path, txn_name, prefix)
+
+if __name__ == "__main__":
+  main()

Propchange: subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py
------------------------------------------------------------------------------
    svn:executable = *

Propchange: subversion/trunk/tools/hook-scripts/persist-ephemeral-txnprops.py
------------------------------------------------------------------------------
    svn:mime-type = text/x-python



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