lib/cmd/drecurse-cmd.py

   1 #!/bin/sh
   2 """": # -*-python-*-
   3 # https://sourceware.org/bugzilla/show_bug.cgi?id=26034
   4 export "BUP_ARGV_0"="$0"
   5 arg_i=1
   6 for arg in "$@"; do
   7     export "BUP_ARGV_${arg_i}"="$arg"
   8     shift
   9     arg_i=$((arg_i + 1))
  10 done
  11 # Here to end of preamble replaced during install
  12 bup_python="$(dirname "$0")/../../config/bin/python" || exit $?
  13 exec "$bup_python" "$0"
  14 """
  15 # end of bup preamble
  16
  17 from __future__ import absolute_import, print_function
  18 from os.path import relpath
  19 import os.path, sys
  20
  21 sys.path[:0] = [os.path.dirname(os.path.realpath(__file__)) + '/..']
  22
  23 from bup import compat, options, drecurse
  24 from bup.compat import argv_bytes
  25 from bup.helpers import log, parse_excludes, parse_rx_excludes, saved_errors
  26 from bup.io import byte_stream
  27
  28
  29 optspec = """
  30 bup drecurse <path>
  31 --
  32 x,xdev,one-file-system   don't cross filesystem boundaries
  33 exclude= a path to exclude from the backup (can be used more than once)
  34 exclude-from= a file that contains exclude paths (can be used more than once)
  35 exclude-rx= skip paths matching the unanchored regex (may be repeated)
  36 exclude-rx-from= skip --exclude-rx patterns in file (may be repeated)
  37 q,quiet  don't actually print filenames
  38 profile  run under the python profiler
  39 """
  40 o = options.Options(optspec)
  41 opt, flags, extra = o.parse(compat.argv[1:])
  42
  43 if len(extra) != 1:
  44     o.fatal("exactly one filename expected")
  45
  46 drecurse_top = argv_bytes(extra[0])
  47 excluded_paths = parse_excludes(flags, o.fatal)
  48 if not drecurse_top.startswith(b'/'):
  49     excluded_paths = [relpath(x) for x in excluded_paths]
  50 exclude_rxs = parse_rx_excludes(flags, o.fatal)
  51 it = drecurse.recursive_dirlist([drecurse_top], opt.xdev,
  52                                 excluded_paths=excluded_paths,
  53                                 exclude_rxs=exclude_rxs)
  54 if opt.profile:
  55     import cProfile
  56     def do_it():
  57         for i in it:
  58             pass
  59     cProfile.run('do_it()')
  60 else:
  61     if opt.quiet:
  62         for i in it:
  63             pass
  64     else:
  65         sys.stdout.flush()
  66         out = byte_stream(sys.stdout)
  67         for (name,st) in it:
  68             out.write(name + b'\n')
  69
  70 if saved_errors:
  71     log('WARNING: %d errors encountered.\n' % len(saved_errors))
  72     sys.exit(1)