t/cleanup-mounts-under

   1 #!/bin/sh
   2 """": # -*-python-*-
   3 bup_python="$(dirname "$0")/../cmd/bup-python" || exit $?
   4 exec "$bup_python" "$0" ${1+"$@"}
   5 """
   6
   7 import os.path, re, subprocess, sys
   8
   9 def mntent_unescape(x):
  10     def replacement(m):
  11         unescapes = {
  12             "\\\\" : "\\",
  13             "\\011" : "\t",
  14             "\\012" : "\n",
  15             "\\040" : " "
  16         }
  17         return unescapes.get(m.group(0))
  18     return re.sub(r'(\\\\|\\011|\\012|\\040)', replacement, x)
  19
  20 targets = sys.argv[1:]
  21 exit_status = 0
  22 for target in targets:
  23     if not os.path.isdir(target):
  24         print >> sys.stderr, target, 'is not a directory'
  25         exit_status = 1
  26         continue
  27     top = os.path.realpath(target)
  28     proc_mounts = open('/proc/mounts', 'r')
  29     for line in proc_mounts:
  30         _, point, fstype, _ = line.split(' ', 3)
  31         point = mntent_unescape(point)
  32         if top == point or os.path.commonprefix((top + '/', point)) == top + '/':
  33             if fstype.startswith('fuse'):
  34                 if subprocess.call(['fusermount', '-uz', point]) != 0:
  35                     exit_status = 1
  36             else:
  37                 if subprocess.call(['umount', '-l', point]) != 0:
  38                     exit_status = 1
  39
  40 sys.exit(exit_status)