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#!/usr/bin/python3
import os, stat, sys
# Example wrapper for Debian root partition.
def my_filter(root, p, s):
try:
r, p = p.split('/', 1)
except ValueError:
pass
else:
try:
d, b = p.rsplit('/', 1)
except ValueError:
pass
else:
if r == 'var':
if p.startswith('lib/apt/lists/'):
return b != 'lock' and stat.S_ISREG(s.mode)
if d in ('lib', 'log'):
return b.startswith('fssync.')
if d == 'cache/apt':
return b.endswith('cache.bin')
return d == 'tmp'
log = '/var/log/fssync.log'
remote = '/mnt/backup-root'
sys.argv[1:1] = ('-f', my_filter.__name__, '-R', remote,
'-v', '-l', log, '-L', remote + log,
'-d', '/var/lib/fssync.db', '-r', '/')
fssync = '/usr/bin/fssync'
exec(compile(open(fssync).read(), fssync, 'exec'))
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