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annotate mercurial/interfaces/dirstate.py @ 50023:e1cff85484e2

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dirstate: introduce a `is_changing_any` property This will embrace other cases than changing parents.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Thu, 26 Jan 2023 15:50:45 +0100
parents e333cc169c45
children 3550e4a88ccd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import contextlib
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2
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3 from . import util as interfaceutil
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4
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5
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6 class idirstate(interfaceutil.Interface):
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7 def __init__(
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8 opener,
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9 ui,
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10 root,
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11 validate,
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12 sparsematchfn,
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13 nodeconstants,
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14 use_dirstate_v2,
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15 use_tracked_hint=False,
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16 ):
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17 """Create a new dirstate object.
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18
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19 opener is an open()-like callable that can be used to open the
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20 dirstate file; root is the root of the directory tracked by
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21 the dirstate.
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22 """
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23
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24 # TODO: all these private methods and attributes should be made
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25 # public or removed from the interface.
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26 _ignore = interfaceutil.Attribute("""Matcher for ignored files.""")
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27 is_changing_any = interfaceutil.Attribute(
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28 """True if any changes in progress."""
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29 )
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30 is_changing_parents = interfaceutil.Attribute(
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31 """True if parents changes in progress."""
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32 )
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33
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34 def _ignorefiles():
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35 """Return a list of files containing patterns to ignore."""
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36
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37 def _ignorefileandline(f):
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38 """Given a file `f`, return the ignore file and line that ignores it."""
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39
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40 _checklink = interfaceutil.Attribute("""Callable for checking symlinks.""")
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41 _checkexec = interfaceutil.Attribute("""Callable for checking exec bits.""")
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42
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43 @contextlib.contextmanager
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44 def changing_parents(repo):
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45 """Context manager for handling dirstate parents.
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46
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47 If an exception occurs in the scope of the context manager,
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48 the incoherent dirstate won't be written when wlock is
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49 released.
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50 """
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51
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52 def hasdir(d):
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53 pass
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54
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55 def flagfunc(buildfallback):
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56 """build a callable that returns flags associated with a filename
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57
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58 The information is extracted from three possible layers:
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59 1. the file system if it supports the information
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60 2. the "fallback" information stored in the dirstate if any
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61 3. a more expensive mechanism inferring the flags from the parents.
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62 """
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63
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64 def getcwd():
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65 """Return the path from which a canonical path is calculated.
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66
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67 This path should be used to resolve file patterns or to convert
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68 canonical paths back to file paths for display. It shouldn't be
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69 used to get real file paths. Use vfs functions instead.
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70 """
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71
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72 def pathto(f, cwd=None):
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73 pass
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74
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75 def get_entry(path):
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76 """return a DirstateItem for the associated path"""
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77
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78 def __contains__(key):
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79 """Check if bytestring `key` is known to the dirstate."""
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80
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81 def __iter__():
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82 """Iterate the dirstate's contained filenames as bytestrings."""
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83
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84 def items():
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85 """Iterate the dirstate's entries as (filename, DirstateItem.
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86
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87 As usual, filename is a bytestring.
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88 """
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89
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90 iteritems = items
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91
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92 def parents():
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93 pass
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94
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95 def p1():
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96 pass
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97
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98 def p2():
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99 pass
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100
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101 def branch():
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102 pass
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103
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104 def setparents(p1, p2=None):
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105 """Set dirstate parents to p1 and p2.
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106
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107 When moving from two parents to one, "merged" entries a
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108 adjusted to normal and previous copy records discarded and
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109 returned by the call.
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110
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111 See localrepo.setparents()
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112 """
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113
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114 def setbranch(branch):
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115 pass
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116
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117 def invalidate():
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118 """Causes the next access to reread the dirstate.
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119
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120 This is different from localrepo.invalidatedirstate() because it always
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121 rereads the dirstate. Use localrepo.invalidatedirstate() if you want to
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122 check whether the dirstate has changed before rereading it."""
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123
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124 def copy(source, dest):
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125 """Mark dest as a copy of source. Unmark dest if source is None."""
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126
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127 def copied(file):
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128 pass
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129
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130 def copies():
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131 pass
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132
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133 def normalize(path, isknown=False, ignoremissing=False):
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134 """
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135 normalize the case of a pathname when on a casefolding filesystem
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136
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137 isknown specifies whether the filename came from walking the
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138 disk, to avoid extra filesystem access.
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139
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140 If ignoremissing is True, missing path are returned
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141 unchanged. Otherwise, we try harder to normalize possibly
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142 existing path components.
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143
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144 The normalized case is determined based on the following precedence:
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145
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146 - version of name already stored in the dirstate
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147 - version of name stored on disk
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148 - version provided via command arguments
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149 """
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150
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151 def clear():
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152 pass
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153
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154 def rebuild(parent, allfiles, changedfiles=None):
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155 pass
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156
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157 def identity():
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158 """Return identity of dirstate itself to detect changing in storage
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159
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160 If identity of previous dirstate is equal to this, writing
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161 changes based on the former dirstate out can keep consistency.
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162 """
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163
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164 def write(tr):
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165 pass
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166
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167 def addparentchangecallback(category, callback):
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168 """add a callback to be called when the wd parents are changed
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169
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170 Callback will be called with the following arguments:
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171 dirstate, (oldp1, oldp2), (newp1, newp2)
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172
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173 Category is a unique identifier to allow overwriting an old callback
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174 with a newer callback.
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175 """
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176
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177 def walk(match, subrepos, unknown, ignored, full=True):
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178 """
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179 Walk recursively through the directory tree, finding all files
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180 matched by match.
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181
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182 If full is False, maybe skip some known-clean files.
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183
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184 Return a dict mapping filename to stat-like object (either
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185 mercurial.osutil.stat instance or return value of os.stat()).
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186
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187 """
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188
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189 def status(match, subrepos, ignored, clean, unknown):
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190 """Determine the status of the working copy relative to the
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191 dirstate and return a pair of (unsure, status), where status is of type
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192 scmutil.status and:
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193
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194 unsure:
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195 files that might have been modified since the dirstate was
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196 written, but need to be read to be sure (size is the same
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197 but mtime differs)
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198 status.modified:
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199 files that have definitely been modified since the dirstate
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200 was written (different size or mode)
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201 status.clean:
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202 files that have definitely not been modified since the
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203 dirstate was written
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204 """
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205
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206 def matches(match):
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207 """
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208 return files in the dirstate (in whatever state) filtered by match
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209 """
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210
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211 def savebackup(tr, backupname):
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212 '''Save current dirstate into backup file'''
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213
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214 def restorebackup(tr, backupname):
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215 '''Restore dirstate by backup file'''
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216
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217 def clearbackup(tr, backupname):
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218 '''Clear backup file'''
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219
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220 def verify(m1, m2, p1, narrow_matcher=None):
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221 """
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222 check the dirstate contents against the parent manifest and yield errors
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223 """