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comparison mercurial/pathutil.py @ 27232:79a86a95f325

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pathauditor: add a way to skip file system check We need to be able to skip it when looking at data within the history. Doing them in all cases leads to buggy behavior like issue4749.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Thu, 03 Dec 2015 10:40:19 -0800
parents 6d29ce250a3d
children 054cd38a2f19
comparison
equal deleted inserted replaced
27231:6d29ce250a3d 27232:79a86a95f325
21 21
22 - ends with a directory separator 22 - ends with a directory separator
23 - under top-level .hg 23 - under top-level .hg
24 - starts at the root of a windows drive 24 - starts at the root of a windows drive
25 - contains ".." 25 - contains ".."
26
27 More check are also done about the file system states:
26 - traverses a symlink (e.g. a/symlink_here/b) 28 - traverses a symlink (e.g. a/symlink_here/b)
27 - inside a nested repository (a callback can be used to approve 29 - inside a nested repository (a callback can be used to approve
28 some nested repositories, e.g., subrepositories) 30 some nested repositories, e.g., subrepositories)
31
32 The file system checks are only done when 'realfs' is set to True (the
33 default). They should be disable then we are auditing path for operation on
34 stored history.
29 ''' 35 '''
30 36
31 def __init__(self, root, callback=None): 37 def __init__(self, root, callback=None, realfs=True):
32 self.audited = set() 38 self.audited = set()
33 self.auditeddir = set() 39 self.auditeddir = set()
34 self.root = root 40 self.root = root
41 self._realfs = realfs
35 self.callback = callback 42 self.callback = callback
36 if os.path.lexists(root) and not util.checkcase(root): 43 if os.path.lexists(root) and not util.checkcase(root):
37 self.normcase = util.normcase 44 self.normcase = util.normcase
38 else: 45 else:
39 self.normcase = lambda x: x 46 self.normcase = lambda x: x
79 while parts: 86 while parts:
80 prefix = os.sep.join(parts) 87 prefix = os.sep.join(parts)
81 normprefix = os.sep.join(normparts) 88 normprefix = os.sep.join(normparts)
82 if normprefix in self.auditeddir: 89 if normprefix in self.auditeddir:
83 break 90 break
84 self._checkfs(prefix, path) 91 if self._realfs:
92 self._checkfs(prefix, path)
85 prefixes.append(normprefix) 93 prefixes.append(normprefix)
86 parts.pop() 94 parts.pop()
87 normparts.pop() 95 normparts.pop()
88 96
89 self.audited.add(normpath) 97 self.audited.add(normpath)