tools/pre-commit-ignore.py

   1 #!/bin/env python3
   2 #
   3 # Wireshark - Network traffic analyzer
   4 # By Gerald Combs <gerald@wireshark.org>
   5 # Copyright 1998 Gerald Combs
   6 #
   7 # SPDX-License-Identifier: GPL-2.0-or-later
   8
   9 import sys
  10 import fnmatch
  11
  12 IGNORE_CONF = "pre-commit-ignore.conf"
  13
  14 if len(sys.argv) > 2:
  15     print("Usage: {0} [path/to/ignore.conf]".format(sys.argv[0]))
  16     sys.exit(1)
  17
  18 if len(sys.argv) == 2:
  19     ignore_path = sys.argv[1]
  20 else:
  21     ignore_path = IGNORE_CONF
  22
  23 # Function to load our patterns from 'path' for modified files
  24 # to be ignored (skipping any comments)
  25 def load_checkignore(path):
  26     try:
  27         with open(path) as f:
  28             patterns = f.read()
  29     except OSError as err:
  30         sys.exit(str(err))
  31     ign = [line.strip() for line in patterns.splitlines()]
  32     ign = [line for line in ign if line and not line.startswith("#")]
  33     return ign
  34
  35 ignore_list = load_checkignore(ignore_path)
  36
  37 def ignore_match(f):
  38     for p in ignore_list:
  39         if fnmatch.fnmatchcase(f, p):
  40             return True
  41     return False
  42
  43 for line in sys.stdin:
  44     line = line.strip()
  45     if not ignore_match(line):
  46         print(line)
  47
  48 #
  49 #  Editor modelines
  50 #
  51 #  Local Variables:
  52 #  c-basic-offset: 4
  53 #  indent-tabs-mode: nil
  54 #  End:
  55 #
  56 #  ex: set shiftwidth=4 expandtab:
  57 #  :indentSize=4:noTabs=true:
  58 #