1 files changed, 64 insertions, 0 deletions
diff --git a/tools/dev/wc-format.py b/tools/dev/wc-format.py
new file mode 100755
index 0000000..3ecfad0
--- /dev/null
+++ b/tools/dev/wc-format.py
@@ -0,0 +1,64 @@
+#!/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.
+
+import os
+import sqlite3
+import sys
+
+MIN_SINGLE_DB_FORMAT = 19
+
+def get_format(wc_path):
+  entries = os.path.join(wc_path, '.svn', 'entries')
+  wc_db = os.path.join(wc_path, '.svn', 'wc.db')
+
+  formatno = 'not under version control'
+
+  if os.path.exists(wc_db):
+    conn = sqlite3.connect(wc_db)
+    curs = conn.cursor()
+    curs.execute('pragma user_version;')
+    formatno = curs.fetchone()[0]
+  elif os.path.exists(entries):
+    formatno = int(open(entries).readline())
+  elif os.path.exists(wc_path):
+    parent_path = os.path.dirname(os.path.abspath(wc_path))
+    if wc_path != parent_path:
+      formatno = get_format(parent_path)
+      if formatno >= MIN_SINGLE_DB_FORMAT:
+      	return formatno
+
+  return formatno
+
+def print_format(wc_path):
+  # see subversion/libsvn_wc/wc.h for format values and information
+  #   1.0.x -> 1.3.x: format 4
+  #   1.4.x: format 8
+  #   1.5.x: format 9
+  #   1.6.x: format 10
+  #   1.7.x: format 29
+  formatno = get_format(wc_path)
+  print('%s: %s' % (wc_path, formatno))
+
+
+if __name__ == '__main__':
+  paths = sys.argv[1:]
+  if not paths:
+    paths = ['.']
+  for wc_path in paths:
+    print_format(wc_path)