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#!/usr/bin/env python
'''This is for cleaning up binary files improperly added to CVS. This script
scans the given path to find binary files; checks with CVS to see if the sticky
options are set to -kb; finally if sticky options are not -kb then uses 'cvs
admin' to set the -kb option.
This script ignores CVS directories, symbolic links, and files not known under
CVS control (cvs status is 'Unknown').
Run this on a CHECKED OUT module sandbox, not on the repository itself. After
if fixes the sticky options on any files you should manually do a 'cvs commit'
to accept the changes. Then be sure to have all users do a 'cvs up -A' to
update the Sticky Option status.
Noah Spurrier
20030426
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
'''
from __future__ import absolute_import
from __future__ import print_function
import os, sys, time
import pexpect
VERBOSE = 1
def is_binary (filename):
'''Assume that any file with a character where the 8th bit is set is
binary. '''
fin = open(filename, 'rb')
wholething = fin.read()
fin.close()
for c in wholething:
if ord(c) & 0x80:
return 1
return 0
def is_kb_sticky (filename):
'''This checks if 'cvs status' reports '-kb' for Sticky options. If the
Sticky Option status is '-ks' then this returns 1. If the status is
'Unknown' then it returns 1. Otherwise 0 is returned. '''
try:
s = pexpect.spawn ('cvs status %s' % filename)
i = s.expect (['Sticky Options:\s*(.*)\r\n', 'Status: Unknown'])
if i==1 and VERBOSE:
print('File not part of CVS repository:', filename)
return 1 # Pretend it's OK.
if s.match.group(1) == '-kb':
return 1
s = None
except:
print('Something went wrong trying to run external cvs command.')
print(' cvs status %s' % filename)
print('The cvs command returned:')
print(s.before)
return 0
def cvs_admin_kb (filename):
'''This uses 'cvs admin' to set the '-kb' sticky option. '''
s = pexpect.run ('cvs admin -kb %s' % filename)
# There is a timing issue. If I run 'cvs admin' too quickly
# cvs sometimes has trouble obtaining the directory lock.
time.sleep(1)
def walk_and_clean_cvs_binaries (arg, dirname, names):
'''This contains the logic for processing files. This is the os.path.walk
callback. This skips dirnames that end in CVS. '''
if len(dirname)>3 and dirname[-3:]=='CVS':
return
for n in names:
fullpath = os.path.join (dirname, n)
if os.path.isdir(fullpath) or os.path.islink(fullpath):
continue
if is_binary(fullpath):
if not is_kb_sticky (fullpath):
if VERBOSE: print(fullpath)
cvs_admin_kb (fullpath)
def main ():
if len(sys.argv) == 1:
root = '.'
else:
root = sys.argv[1]
os.path.walk (root, walk_and_clean_cvs_binaries, None)
if __name__ == '__main__':
main ()
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