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5287 git-pbchk should not depend on mercurial
Reviewed by: Richard Lowe <richlowe@richlowe.net> Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Approved by: Dan McDonald <danmcd@omniti.com>
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# | ||
# Permission is hereby granted, free of charge, to any person obtaining a copy | ||
# of this software and associated documentation files (the "Software"), to deal | ||
# in the Software without restriction, including without limitation the rights | ||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
# copies of the Software, and to permit persons to whom the Software is | ||
# furnished to do so, subject to the following conditions: | ||
# | ||
# The above copyright notice and this permission notice shall be included in | ||
# all copies or substantial portions of the Software. | ||
# | ||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
# THE SOFTWARE | ||
# | ||
# Copyright (c) 2014, Joyent, Inc. | ||
# | ||
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''' | ||
Process our ignore/exception_list file format. | ||
The format is broadly similar, if not identical, to .gitignore and .hgignore | ||
files. | ||
''' | ||
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import re | ||
import fnmatch | ||
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RE_SYNTAX = re.compile(r'^syntax:\s*(.*)\s*$') | ||
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# | ||
# It is important that this module not rely on Mercurial | ||
# | ||
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def _read_ignore_file(ignorefile): | ||
'''Read an ignore file and return an array of regular expressions | ||
to match ignored paths.''' | ||
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syntax = 'regex' | ||
ignore_list = [] | ||
lc = 0 | ||
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with open(ignorefile, 'r') as f: | ||
for l in f: | ||
lc += 1 | ||
# Remove comments and blank lines | ||
l = l.split('#', 2)[0].strip() | ||
if l == '': | ||
continue | ||
# Process "syntax:" lines | ||
m = RE_SYNTAX.match(l) | ||
if m: | ||
syntax = m.group(1) | ||
continue | ||
# All other lines are considered patterns | ||
if (syntax == 'glob'): | ||
ignore_list.append(re.compile('.*' + fnmatch.translate(l))) | ||
elif (syntax == 'regex'): | ||
ignore_list.append(re.compile(l)) | ||
else: | ||
raise Exception('%s:%d: syntax "%s" is not supported' % | ||
(ignorefile, lc, syntax)) | ||
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return ignore_list | ||
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def ignore(root, ignorefiles): | ||
# If we aren't provided any ignore files, we'll never ignore | ||
# any paths: | ||
if (len(ignorefiles) < 1): | ||
return lambda x: False | ||
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ignore_list = [] | ||
for ignorefile in ignorefiles: | ||
ignore_list.extend(_read_ignore_file(ignorefile)) | ||
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# If the ignore files contained no patterns, we'll never ignore | ||
# any paths: | ||
if (len(ignore_list) < 1): | ||
return lambda x: False | ||
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def _ignore_func(path): | ||
for regex in ignore_list: | ||
if (regex.match(path)): | ||
return True | ||
return False | ||
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return _ignore_func |
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