#!/usr/bin/env python
#
# 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")
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()
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