1 files changed, 94 insertions, 0 deletions
diff --git a/tools/bdb/erase-all-text-data.py b/tools/bdb/erase-all-text-data.py
new file mode 100755
index 0000000..288c4ab
--- /dev/null
+++ b/tools/bdb/erase-all-text-data.py
@@ -0,0 +1,94 @@
+#!/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.
+#
+#
+#
+# Erases the text of every file in a BDB repository
+#
+
+import sys, os
+import skel, svnfs
+
+def main():
+  if len(sys.argv) == 2:
+    dbhome = os.path.join(sys.argv[1], 'db')
+    for i in ('', 'uuids', 'revisions', 'transactions', 'representations',
+        'strings', 'changes', 'copies', 'nodes'):
+      if not os.path.exists(os.path.join(dbhome, i)):
+        sys.stderr.write("%s: '%s' is not a valid bdb svn repository\n" %
+            (sys.argv[0], sys.argv[1]))
+        sys.exit(1)
+  else:
+    sys.stderr.write("Usage: %s <bdb-svn-repository>\n" % sys.argv[0])
+    sys.exit(1)
+
+  print("WARNING!: This program will destroy all text data in the subversion")
+  print("repository '%s'" % sys.argv[1])
+  print("Do not proceed unless this is a *COPY* of your real repository")
+  print("If this is really what you want to do, " \
+      "type 'YESERASE' and press Return")
+  if sys.version_info[0] >= 3:
+    # Python >=3.0
+    confirmation = input("Confirmation string> ")
+  else:
+    # Python <3.0
+    confirmation = raw_input("Confirmation string> ")
+  if confirmation != "YESERASE":
+    print("Cancelled - confirmation string not matched")
+    sys.exit(0)
+  print("Opening database environment...")
+  cur = None
+  ctx = svnfs.Ctx(dbhome)
+  try:
+    cur = ctx.nodes_db.cursor()
+    nodecount = 0
+    newrep = skel.Rep()
+    newrep.str = "empty"
+    empty_fulltext_rep_skel = newrep.unparse()
+    del newrep
+    ctx.strings_db['empty'] = ""
+    rec = cur.first()
+    while rec:
+      if rec[0] != "next-key":
+        if (nodecount % 10000 == 0) and nodecount != 0:
+          print("Processed %d nodes..." % nodecount)
+        nodecount += 1
+        node = skel.Node(rec[1])
+        if node.kind == "file":
+          rep = skel.Rep(ctx.reps_db[node.datarep])
+          if rep.kind == "fulltext":
+            if rep.str in ctx.strings_db:
+              del ctx.strings_db[rep.str]
+            ctx.reps_db[node.datarep] = empty_fulltext_rep_skel
+          else:
+            for w in rep.windows:
+              if w.str in ctx.strings_db:
+                del ctx.strings_db[w.str]
+            ctx.reps_db[node.datarep] = empty_fulltext_rep_skel
+      rec = cur.next()
+    print("Processed %d nodes" % nodecount)
+  finally:
+    if cur:
+      cur.close()
+    ctx.close()
+  print("Done")
+
+if __name__ == '__main__':
+  main()