annotate mercurial/mergestate.py @ 45204:7fc3c5fbc65f stable 5.5

mergestate: fix BC breakage introduced because of removal of a merge record In fcd0cff3400a I removed the usage of RECORD_RESOLVED_OTHER. However I also removed the reading support, hence if there is any user who runs into merge conflict with older version of hg, upgrades hg and then tries to read mergestate, they will end up with an MergeRecordUnsupportedError.
author Pulkit Goyal <7895pulkit@gmail.com>
date Sat, 01 Aug 2020 18:39:28 +0530
parents a5be403dd7a0
children fa18b02df8dd
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1 from __future__ import absolute_import
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2
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3 import errno
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4 import shutil
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5 import struct
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6
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7 from .i18n import _
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8 from .node import (
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9 bin,
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10 hex,
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11 nullhex,
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12 nullid,
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13 )
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14 from .pycompat import delattr
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15 from . import (
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16 error,
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17 filemerge,
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18 pycompat,
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19 util,
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20 )
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21 from .utils import hashutil
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22
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23 _pack = struct.pack
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24 _unpack = struct.unpack
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27 def _droponode(data):
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28 # used for compatibility for v1
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29 bits = data.split(b'\0')
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30 bits = bits[:-2] + bits[-1:]
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31 return b'\0'.join(bits)
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33
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34 def _filectxorabsent(hexnode, ctx, f):
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35 if hexnode == nullhex:
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36 return filemerge.absentfilectx(ctx, f)
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37 else:
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38 return ctx[f]
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39
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40
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41 # Merge state record types. See ``mergestate`` docs for more.
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42
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43 ####
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44 # merge records which records metadata about a current merge
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45 # exists only once in a mergestate
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46 #####
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47 RECORD_LOCAL = b'L'
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48 RECORD_OTHER = b'O'
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49 # record merge labels
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50 RECORD_LABELS = b'l'
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51 # store info about merge driver used and it's state
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52 RECORD_MERGE_DRIVER_STATE = b'm'
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53
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54 #####
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55 # record extra information about files, with one entry containing info about one
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56 # file. Hence, multiple of them can exists
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57 #####
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58 RECORD_FILE_VALUES = b'f'
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59
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60 #####
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61 # merge records which represents state of individual merges of files/folders
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62 # These are top level records for each entry containing merge related info.
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63 # Each record of these has info about one file. Hence multiple of them can
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64 # exists
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65 #####
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66 RECORD_MERGED = b'F'
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67 RECORD_CHANGEDELETE_CONFLICT = b'C'
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68 RECORD_MERGE_DRIVER_MERGE = b'D'
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69 # the path was dir on one side of merge and file on another
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70 RECORD_PATH_CONFLICT = b'P'
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71
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72 #####
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73 # possible state which a merge entry can have. These are stored inside top-level
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74 # merge records mentioned just above.
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75 #####
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76 MERGE_RECORD_UNRESOLVED = b'u'
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77 MERGE_RECORD_RESOLVED = b'r'
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78 MERGE_RECORD_UNRESOLVED_PATH = b'pu'
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79 MERGE_RECORD_RESOLVED_PATH = b'pr'
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80 MERGE_RECORD_DRIVER_RESOLVED = b'd'
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81 # represents that the file was automatically merged in favor
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82 # of other version. This info is used on commit.
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83 MERGE_RECORD_MERGED_OTHER = b'o'
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84
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85 #####
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86 # top level record which stores other unknown records. Multiple of these can
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87 # exists
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88 #####
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89 RECORD_OVERRIDE = b't'
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90
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91 #####
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92 # possible states which a merge driver can have. These are stored inside a
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93 # RECORD_MERGE_DRIVER_STATE entry
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94 #####
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95 MERGE_DRIVER_STATE_UNMARKED = b'u'
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96 MERGE_DRIVER_STATE_MARKED = b'm'
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97 MERGE_DRIVER_STATE_SUCCESS = b's'
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98
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99 #####
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100 # legacy records which are no longer used but kept to prevent breaking BC
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101 #####
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102 # This record was release in 5.4 and usage was removed in 5.5
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103 LEGACY_RECORD_RESOLVED_OTHER = b'R'
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104
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105
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106 ACTION_FORGET = b'f'
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107 ACTION_REMOVE = b'r'
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108 ACTION_ADD = b'a'
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109 ACTION_GET = b'g'
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110 ACTION_PATH_CONFLICT = b'p'
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111 ACTION_PATH_CONFLICT_RESOLVE = b'pr'
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112 ACTION_ADD_MODIFIED = b'am'
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113 ACTION_CREATED = b'c'
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114 ACTION_DELETED_CHANGED = b'dc'
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115 ACTION_CHANGED_DELETED = b'cd'
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116 ACTION_MERGE = b'm'
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117 ACTION_LOCAL_DIR_RENAME_GET = b'dg'
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118 ACTION_DIR_RENAME_MOVE_LOCAL = b'dm'
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119 ACTION_KEEP = b'k'
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120 ACTION_EXEC = b'e'
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121 ACTION_CREATED_MERGE = b'cm'
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122 # GET the other/remote side and store this info in mergestate
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123 ACTION_GET_OTHER_AND_STORE = b'gs'
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124
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125
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126 class mergestate(object):
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127 '''track 3-way merge state of individual files
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128
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129 The merge state is stored on disk when needed. Two files are used: one with
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130 an old format (version 1), and one with a new format (version 2). Version 2
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131 stores a superset of the data in version 1, including new kinds of records
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132 in the future. For more about the new format, see the documentation for
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133 `_readrecordsv2`.
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134
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135 Each record can contain arbitrary content, and has an associated type. This
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136 `type` should be a letter. If `type` is uppercase, the record is mandatory:
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137 versions of Mercurial that don't support it should abort. If `type` is
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138 lowercase, the record can be safely ignored.
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139
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140 Currently known records:
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141
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142 L: the node of the "local" part of the merge (hexified version)
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143 O: the node of the "other" part of the merge (hexified version)
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144 F: a file to be merged entry
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145 C: a change/delete or delete/change conflict
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146 D: a file that the external merge driver will merge internally
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147 (experimental)
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148 P: a path conflict (file vs directory)
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149 m: the external merge driver defined for this merge plus its run state
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150 (experimental)
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151 f: a (filename, dictionary) tuple of optional values for a given file
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152 l: the labels for the parts of the merge.
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153
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154 Merge driver run states (experimental):
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155 u: driver-resolved files unmarked -- needs to be run next time we're about
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156 to resolve or commit
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157 m: driver-resolved files marked -- only needs to be run before commit
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158 s: success/skipped -- does not need to be run any more
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159
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160 Merge record states (stored in self._state, indexed by filename):
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161 u: unresolved conflict
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162 r: resolved conflict
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163 pu: unresolved path conflict (file conflicts with directory)
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164 pr: resolved path conflict
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165 d: driver-resolved conflict
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166
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167 The resolve command transitions between 'u' and 'r' for conflicts and
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168 'pu' and 'pr' for path conflicts.
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169 '''
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170
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171 statepathv1 = b'merge/state'
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172 statepathv2 = b'merge/state2'
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173
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174 @staticmethod
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175 def clean(repo, node=None, other=None, labels=None):
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176 """Initialize a brand new merge state, removing any existing state on
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177 disk."""
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178 ms = mergestate(repo)
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179 ms.reset(node, other, labels)
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180 return ms
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181
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182 @staticmethod
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183 def read(repo):
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184 """Initialize the merge state, reading it from disk."""
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185 ms = mergestate(repo)
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186 ms._read()
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187 return ms
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188
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189 def __init__(self, repo):
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190 """Initialize the merge state.
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191
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192 Do not use this directly! Instead call read() or clean()."""
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193 self._repo = repo
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194 self._dirty = False
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195 self._labels = None
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196
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197 def reset(self, node=None, other=None, labels=None):
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198 self._state = {}
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199 self._stateextras = {}
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200 self._local = None
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201 self._other = None
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202 self._labels = labels
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203 for var in ('localctx', 'otherctx'):
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204 if var in vars(self):
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205 delattr(self, var)
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206 if node:
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207 self._local = node
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208 self._other = other
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209 self._readmergedriver = None
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210 if self.mergedriver:
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211 self._mdstate = MERGE_DRIVER_STATE_SUCCESS
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212 else:
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213 self._mdstate = MERGE_DRIVER_STATE_UNMARKED
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214 shutil.rmtree(self._repo.vfs.join(b'merge'), True)
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215 self._results = {}
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216 self._dirty = False
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217
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218 def _read(self):
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219 """Analyse each record content to restore a serialized state from disk
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220
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221 This function process "record" entry produced by the de-serialization
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222 of on disk file.
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223 """
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224 self._state = {}
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225 self._stateextras = {}
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226 self._local = None
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227 self._other = None
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228 for var in ('localctx', 'otherctx'):
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229 if var in vars(self):
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230 delattr(self, var)
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231 self._readmergedriver = None
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232 self._mdstate = MERGE_DRIVER_STATE_SUCCESS
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233 unsupported = set()
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diff changeset
234 records = self._readrecords()
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235 for rtype, record in records:
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236 if rtype == RECORD_LOCAL:
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237 self._local = bin(record)
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238 elif rtype == RECORD_OTHER:
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239 self._other = bin(record)
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240 elif rtype == RECORD_MERGE_DRIVER_STATE:
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241 bits = record.split(b'\0', 1)
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242 mdstate = bits[1]
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243 if len(mdstate) != 1 or mdstate not in (
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244 MERGE_DRIVER_STATE_UNMARKED,
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245 MERGE_DRIVER_STATE_MARKED,
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246 MERGE_DRIVER_STATE_SUCCESS,
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247 ):
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248 # the merge driver should be idempotent, so just rerun it
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249 mdstate = MERGE_DRIVER_STATE_UNMARKED
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250
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251 self._readmergedriver = bits[0]
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252 self._mdstate = mdstate
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253 elif rtype in (
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254 RECORD_MERGED,
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255 RECORD_CHANGEDELETE_CONFLICT,
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diff changeset
256 RECORD_PATH_CONFLICT,
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diff changeset
257 RECORD_MERGE_DRIVER_MERGE,
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diff changeset
258 LEGACY_RECORD_RESOLVED_OTHER,
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diff changeset
259 ):
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260 bits = record.split(b'\0')
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diff changeset
261 self._state[bits[0]] = bits[1:]
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diff changeset
262 elif rtype == RECORD_FILE_VALUES:
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parents: 43076
diff changeset
263 filename, rawextras = record.split(b'\0', 1)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
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parents: 43076
diff changeset
264 extraparts = rawextras.split(b'\0')
28009
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parents: 27951
diff changeset
265 extras = {}
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
266 i = 0
4a25e91fa55d merge: add state extras merge state data
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parents: 27951
diff changeset
267 while i < len(extraparts):
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diff changeset
268 extras[extraparts[i]] = extraparts[i + 1]
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parents: 27951
diff changeset
269 i += 2
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Durham Goode <durham@fb.com>
parents: 27951
diff changeset
270
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
271 self._stateextras[filename] = extras
37112
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diff changeset
272 elif rtype == RECORD_LABELS:
43077
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diff changeset
273 labels = record.split(b'\0', 2)
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
274 self._labels = [l for l in labels if len(l) > 0]
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diff changeset
275 elif not rtype.islower():
26986
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diff changeset
276 unsupported.add(rtype)
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parents: 45165
diff changeset
277 # contains a mapping of form:
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parents: 45165
diff changeset
278 # {filename : (merge_return_value, action_to_be_performed}
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parents: 45165
diff changeset
279 # these are results of re-running merge process
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parents: 45165
diff changeset
280 # this dict is used to perform actions on dirstate caused by re-running
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parents: 45165
diff changeset
281 # the merge
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parents: 27049
diff changeset
282 self._results = {}
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diff changeset
283 self._dirty = False
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parents: 20642
diff changeset
284
26986
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parents: 26975
diff changeset
285 if unsupported:
1ee5e48f09d4 mergestate: raise structured exception for unsupported merge records
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parents: 26975
diff changeset
286 raise error.UnsupportedMergeRecords(unsupported)
1ee5e48f09d4 mergestate: raise structured exception for unsupported merge records
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parents: 26975
diff changeset
287
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diff changeset
288 def _readrecords(self):
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diff changeset
289 """Read merge state from disk and return a list of record (TYPE, data)
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parents: 20651
diff changeset
290
21024
7731a2281cf0 spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents: 20945
diff changeset
291 We read data from both v1 and v2 files and decide which one to use.
20652
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parents: 20651
diff changeset
292
21024
7731a2281cf0 spelling: fixes from spell checker
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parents: 20945
diff changeset
293 V1 has been used by version prior to 2.9.1 and contains less data than
7731a2281cf0 spelling: fixes from spell checker
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parents: 20945
diff changeset
294 v2. We read both versions and check if no data in v2 contradicts
20652
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parents: 20651
diff changeset
295 v1. If there is not contradiction we can safely assume that both v1
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parents: 20651
diff changeset
296 and v2 were written at the same time and use the extract data in v2. If
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parents: 20651
diff changeset
297 there is contradiction we ignore v2 content as we assume an old version
21024
7731a2281cf0 spelling: fixes from spell checker
Mads Kiilerich <madski@unity3d.com>
parents: 20945
diff changeset
298 of Mercurial has overwritten the mergestate file and left an old v2
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
299 file around.
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
300
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parents: 20651
diff changeset
301 returns list of record [(TYPE, data), ...]"""
20590
2b7d54e929b4 merge: introduce new format for the state file
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parents: 20589
diff changeset
302 v1records = self._readrecordsv1()
2b7d54e929b4 merge: introduce new format for the state file
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parents: 20589
diff changeset
303 v2records = self._readrecordsv2()
26500
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
304 if self._v1v2match(v1records, v2records):
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
305 return v2records
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
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parents: 26361
diff changeset
306 else:
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
307 # v1 file is newer than v2 file, use it
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
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parents: 26361
diff changeset
308 # we have to infer the "other" changeset of the merge
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
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parents: 26361
diff changeset
309 # we cannot do better than that with v1 of the format
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Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
310 mctx = self._repo[None].parents()[-1]
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
311 v1records.append((RECORD_OTHER, mctx.hex()))
26500
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
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parents: 26361
diff changeset
312 # add place holder "other" file node information
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
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parents: 26361
diff changeset
313 # nobody is using it yet so we do no need to fetch the data
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
314 # if mctx was wrong `mctx[bits[-2]]` may fails.
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
315 for idx, r in enumerate(v1records):
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
316 if r[0] == RECORD_MERGED:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
317 bits = r[1].split(b'\0')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
318 bits.insert(-2, b'')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
319 v1records[idx] = (r[0], b'\0'.join(bits))
26500
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
320 return v1records
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
321
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
322 def _v1v2match(self, v1records, v2records):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
323 oldv2 = set() # old format version of v2 record
20593
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
324 for rec in v2records:
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
325 if rec[0] == RECORD_LOCAL:
20593
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
326 oldv2.add(rec)
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
327 elif rec[0] == RECORD_MERGED:
20593
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
328 # drop the onode data (not contained in v1)
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
329 oldv2.add((RECORD_MERGED, _droponode(rec[1])))
20593
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
330 for rec in v1records:
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
331 if rec not in oldv2:
26500
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
332 return False
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
333 else:
26500
5bd7c4c07f6d merge.mergestate: factor out code to validate v1/v2 records
Siddharth Agarwal <sid0@fb.com>
parents: 26361
diff changeset
334 return True
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
335
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
336 def _readrecordsv1(self):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
337 """read on disk merge state for version 1 file
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
338
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
339 returns list of record [(TYPE, data), ...]
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
340
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
341 Note: the "F" data from this file are one entry short
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
342 (no "other file node" entry)
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
343 """
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
344 records = []
6518
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
345 try:
23877
7cc77030c557 localrepo: remove all external users of localrepo.opener
Angel Ezquerra <angel.ezquerra@gmail.com>
parents: 23656
diff changeset
346 f = self._repo.vfs(self.statepathv1)
6530
4b92591c69a7 merge: replace readline() call, missing from posixfile_nt
Patrick Mezard <pmezard@gmail.com>
parents: 6518
diff changeset
347 for i, l in enumerate(f):
4b92591c69a7 merge: replace readline() call, missing from posixfile_nt
Patrick Mezard <pmezard@gmail.com>
parents: 6518
diff changeset
348 if i == 0:
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
349 records.append((RECORD_LOCAL, l[:-1]))
6530
4b92591c69a7 merge: replace readline() call, missing from posixfile_nt
Patrick Mezard <pmezard@gmail.com>
parents: 6518
diff changeset
350 else:
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
351 records.append((RECORD_MERGED, l[:-1]))
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13323
diff changeset
352 f.close()
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25151
diff changeset
353 except IOError as err:
6518
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
354 if err.errno != errno.ENOENT:
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
355 raise
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
356 return records
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
357
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
358 def _readrecordsv2(self):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
359 """read on disk merge state for version 2 file
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
360
27022
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
361 This format is a list of arbitrary records of the form:
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
362
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
363 [type][length][content]
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
364
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
365 `type` is a single character, `length` is a 4 byte integer, and
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
366 `content` is an arbitrary byte sequence of length `length`.
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
367
27027
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
368 Mercurial versions prior to 3.7 have a bug where if there are
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
369 unsupported mandatory merge records, attempting to clear out the merge
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
370 state with hg update --clean or similar aborts. The 't' record type
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
371 works around that by writing out what those versions treat as an
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
372 advisory record, but later versions interpret as special: the first
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
373 character is the 'real' record type and everything onwards is the data.
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
374
27022
35102876d648 mergestate: move binary format documentation into _readrecordsv2
Siddharth Agarwal <sid0@fb.com>
parents: 27006
diff changeset
375 Returns list of records [(TYPE, data), ...]."""
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
376 records = []
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
377 try:
23877
7cc77030c557 localrepo: remove all external users of localrepo.opener
Angel Ezquerra <angel.ezquerra@gmail.com>
parents: 23656
diff changeset
378 f = self._repo.vfs(self.statepathv2)
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
379 data = f.read()
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
380 off = 0
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
381 end = len(data)
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
382 while off < end:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
383 rtype = data[off : off + 1]
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
384 off += 1
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
385 length = _unpack(b'>I', data[off : (off + 4)])[0]
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
386 off += 4
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
387 record = data[off : (off + length)]
20607
abd448767465 merge: fix spelling of length
Olle Lundberg <geek@nerd.sh>
parents: 20594
diff changeset
388 off += length
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
389 if rtype == RECORD_OVERRIDE:
36566
1d99260c3a81 py3: slice over bytes to prevent getting ascii values
Pulkit Goyal <7895pulkit@gmail.com>
parents: 36507
diff changeset
390 rtype, record = record[0:1], record[1:]
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
391 records.append((rtype, record))
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
392 f.close()
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25151
diff changeset
393 except IOError as err:
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
394 if err.errno != errno.ENOENT:
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
395 raise
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
396 return records
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
397
26649
f618b6aa8cdd merge.mergestate: add support for persisting a custom merge driver
Siddharth Agarwal <sid0@fb.com>
parents: 26641
diff changeset
398 @util.propertycache
f618b6aa8cdd merge.mergestate: add support for persisting a custom merge driver
Siddharth Agarwal <sid0@fb.com>
parents: 26641
diff changeset
399 def mergedriver(self):
26768
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
400 # protect against the following:
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
401 # - A configures a malicious merge driver in their hgrc, then
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
402 # pauses the merge
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
403 # - A edits their hgrc to remove references to the merge driver
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
404 # - A gives a copy of their entire repo, including .hg, to B
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
405 # - B inspects .hgrc and finds it to be clean
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
406 # - B then continues the merge and the malicious merge driver
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
407 # gets invoked
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
408 configmergedriver = self._repo.ui.config(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
409 b'experimental', b'mergedriver'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
410 )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
411 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
412 self._readmergedriver is not None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
413 and self._readmergedriver != configmergedriver
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
414 ):
26768
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
415 raise error.ConfigError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
416 _(b"merge driver changed since merge started"),
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
417 hint=_(b"revert merge driver change or abort merge"),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
418 )
26768
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
419
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
420 return configmergedriver
ac68769a5985 merge.mergestate: only check for merge driver when property is accessed
Siddharth Agarwal <sid0@fb.com>
parents: 26766
diff changeset
421
26765
45976219eb80 merge.mergestate: add a way to get the other side of the merge
Siddharth Agarwal <sid0@fb.com>
parents: 26752
diff changeset
422 @util.propertycache
44289
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
423 def local(self):
27130
6f045b563fa5 mergestate: add a cached property accessor for the local context
Siddharth Agarwal <sid0@fb.com>
parents: 27129
diff changeset
424 if self._local is None:
44289
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
425 msg = b"local accessed but self._local isn't set"
31651
e960eba3581c merge: use ProgrammingError
Jun Wu <quark@fb.com>
parents: 31522
diff changeset
426 raise error.ProgrammingError(msg)
44289
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
427 return self._local
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
428
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
429 @util.propertycache
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
430 def localctx(self):
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
431 return self._repo[self.local]
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
432
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
433 @util.propertycache
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
434 def other(self):
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
435 if self._other is None:
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
436 msg = b"other accessed but self._other isn't set"
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
437 raise error.ProgrammingError(msg)
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
438 return self._other
27130
6f045b563fa5 mergestate: add a cached property accessor for the local context
Siddharth Agarwal <sid0@fb.com>
parents: 27129
diff changeset
439
6f045b563fa5 mergestate: add a cached property accessor for the local context
Siddharth Agarwal <sid0@fb.com>
parents: 27129
diff changeset
440 @util.propertycache
26765
45976219eb80 merge.mergestate: add a way to get the other side of the merge
Siddharth Agarwal <sid0@fb.com>
parents: 26752
diff changeset
441 def otherctx(self):
44289
b1069b369d6e mergestate: add accessors for local and other nodeid, not just contexts
Martin von Zweigbergk <martinvonz@google.com>
parents: 44286
diff changeset
442 return self._repo[self.other]
26649
f618b6aa8cdd merge.mergestate: add support for persisting a custom merge driver
Siddharth Agarwal <sid0@fb.com>
parents: 26641
diff changeset
443
21264
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
444 def active(self):
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
445 """Whether mergestate is active.
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
446
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
447 Returns True if there appears to be mergestate. This is a rough proxy
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
448 for "is a merge in progress."
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
449 """
44425
5e3402a0b868 mergestate: determine if active without looking for state files on disk
Martin von Zweigbergk <martinvonz@google.com>
parents: 44414
diff changeset
450 return bool(self._local) or bool(self._state)
21264
4e932dc5c113 resolve: abort when not applicable (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21261
diff changeset
451
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
452 def commit(self):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
453 """Write current state on disk (if necessary)"""
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
454 if self._dirty:
27006
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
455 records = self._makerecords()
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
456 self._writerecords(records)
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
457 self._dirty = False
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
458
27006
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
459 def _makerecords(self):
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
460 records = []
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
461 records.append((RECORD_LOCAL, hex(self._local)))
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
462 records.append((RECORD_OTHER, hex(self._other)))
27006
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
463 if self.mergedriver:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
464 records.append(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
465 (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
466 RECORD_MERGE_DRIVER_STATE,
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
467 b'\0'.join([self.mergedriver, self._mdstate]),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
468 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
469 )
34560
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
470 # Write out state items. In all cases, the value of the state map entry
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
471 # is written as the contents of the record. The record type depends on
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
472 # the type of state that is stored, and capital-letter records are used
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
473 # to prevent older versions of Mercurial that do not support the feature
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
474 # from loading them.
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43104
diff changeset
475 for filename, v in pycompat.iteritems(self._state):
37114
aa5199c7aa42 merge: use constants for merge record state
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37113
diff changeset
476 if v[0] == MERGE_RECORD_DRIVER_RESOLVED:
34560
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
477 # Driver-resolved merge. These are stored in 'D' records.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
478 records.append(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
479 (RECORD_MERGE_DRIVER_MERGE, b'\0'.join([filename] + v))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
480 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
481 elif v[0] in (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
482 MERGE_RECORD_UNRESOLVED_PATH,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
483 MERGE_RECORD_RESOLVED_PATH,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
484 ):
34560
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
485 # Path conflicts. These are stored in 'P' records. The current
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
486 # resolution state ('pu' or 'pr') is stored within the record.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
487 records.append(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
488 (RECORD_PATH_CONFLICT, b'\0'.join([filename] + v))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
489 )
44688
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
490 elif v[0] == MERGE_RECORD_MERGED_OTHER:
45160
fcd0cff3400a mergestate: remove unrequired RECORD_RESOLVED_OTHER record
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45159
diff changeset
491 records.append((RECORD_MERGED, b'\0'.join([filename] + v)))
27031
8be0af32e513 mergestate: allow storing and retrieving change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
parents: 27027
diff changeset
492 elif v[1] == nullhex or v[6] == nullhex:
34560
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
493 # Change/Delete or Delete/Change conflicts. These are stored in
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
494 # 'C' records. v[1] is the local file, and is nullhex when the
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
495 # file is deleted locally ('dc'). v[6] is the remote file, and
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
496 # is nullhex when the file is deleted remotely ('cd').
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
497 records.append(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
498 (RECORD_CHANGEDELETE_CONFLICT, b'\0'.join([filename] + v))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
499 )
27006
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
500 else:
34560
1248aa48cac9 merge: improve comments in mergestate._makerecords
Mark Thomas <mbthomas@fb.com>
parents: 34555
diff changeset
501 # Normal files. These are stored in 'F' records.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
502 records.append((RECORD_MERGED, b'\0'.join([filename] + v)))
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43104
diff changeset
503 for filename, extras in sorted(pycompat.iteritems(self._stateextras)):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
504 rawextras = b'\0'.join(
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43104
diff changeset
505 b'%s\0%s' % (k, v) for k, v in pycompat.iteritems(extras)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
506 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
507 records.append(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
508 (RECORD_FILE_VALUES, b'%s\0%s' % (filename, rawextras))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
509 )
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
510 if self._labels is not None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
511 labels = b'\0'.join(self._labels)
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
512 records.append((RECORD_LABELS, labels))
27006
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
513 return records
9d58dc193c46 mergestate.commit: factor out making the list of records
Siddharth Agarwal <sid0@fb.com>
parents: 27005
diff changeset
514
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
515 def _writerecords(self, records):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
516 """Write current state on disk (both v1 and v2)"""
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
517 self._writerecordsv1(records)
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
518 self._writerecordsv2(records)
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
519
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
520 def _writerecordsv1(self, records):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
521 """Write current state on disk in a version 1 file"""
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
522 f = self._repo.vfs(self.statepathv1, b'wb')
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
523 irecords = iter(records)
29216
ead25aa27a43 py3: convert to next() function
timeless <timeless@mozdev.org>
parents: 29148
diff changeset
524 lrecords = next(irecords)
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
525 assert lrecords[0] == RECORD_LOCAL
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
526 f.write(hex(self._local) + b'\n')
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
527 for rtype, data in irecords:
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
528 if rtype == RECORD_MERGED:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
529 f.write(b'%s\n' % _droponode(data))
20589
31993cd23b11 merge: change the merge state serialisation to use a record based logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20588
diff changeset
530 f.close()
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
531
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
532 def _writerecordsv2(self, records):
27027
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
533 """Write current state on disk in a version 2 file
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
534
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
535 See the docstring for _readrecordsv2 for why we use 't'."""
a01ecbcfaf84 mergestate: handle additional record types specially
Siddharth Agarwal <sid0@fb.com>
parents: 27022
diff changeset
536 # these are the records that all version 2 clients can read
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
537 allowlist = (RECORD_LOCAL, RECORD_OTHER, RECORD_MERGED)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
538 f = self._repo.vfs(self.statepathv2, b'wb')
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
539 for key, data in records:
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
540 assert len(key) == 1
37112
a532b2f54f95 merge: use constants for merge state record types
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37110
diff changeset
541 if key not in allowlist:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
542 key, data = RECORD_OVERRIDE, b'%s%s' % (key, data)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
543 format = b'>sI%is' % len(data)
20590
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
544 f.write(_pack(format, key, len(data), data))
2b7d54e929b4 merge: introduce new format for the state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20589
diff changeset
545 f.close()
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
546
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
547 @staticmethod
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
548 def getlocalkey(path):
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
549 """hash the path of a local file context for storage in the .hg/merge
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
550 directory."""
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
551
44060
a61287a95dc3 core: migrate uses of hashlib.sha1 to hashutil.sha1
Augie Fackler <augie@google.com>
parents: 43816
diff changeset
552 return hex(hashutil.sha1(path).digest())
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
553
18338
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
554 def add(self, fcl, fco, fca, fd):
20652
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
555 """add a new (potentially?) conflicting file the merge state
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
556 fcl: file context for local,
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
557 fco: file context for remote,
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
558 fca: file context for ancestors,
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
559 fd: file path of the resulting merge.
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
560
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
561 note: also write the local version to the `.hg/merge` directory.
2a4871c2511d merge: adds documentation to the mergestate class
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20651
diff changeset
562 """
27049
0d61f7ec7f76 mergestate.add: store absentfilectxes as nullhex
Siddharth Agarwal <sid0@fb.com>
parents: 27048
diff changeset
563 if fcl.isabsent():
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
564 localkey = nullhex
27049
0d61f7ec7f76 mergestate.add: store absentfilectxes as nullhex
Siddharth Agarwal <sid0@fb.com>
parents: 27048
diff changeset
565 else:
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
566 localkey = mergestate.getlocalkey(fcl.path())
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
567 self._repo.vfs.write(b'merge/' + localkey, fcl.data())
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
568 self._state[fd] = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
569 MERGE_RECORD_UNRESOLVED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
570 localkey,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
571 fcl.path(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
572 fca.path(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
573 hex(fca.filenode()),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
574 fco.path(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
575 hex(fco.filenode()),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
576 fcl.flags(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
577 ]
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
578 self._stateextras[fd] = {b'ancestorlinknode': hex(fca.node())}
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
579 self._dirty = True
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
580
45159
e05a488cbed0 mergestate: rename addpath() -> addpathonflict() to prevent confusion
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44980
diff changeset
581 def addpathconflict(self, path, frename, forigin):
34545
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
582 """add a new conflicting path to the merge state
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
583 path: the path that conflicts
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
584 frename: the filename the conflicting file was renamed to
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
585 forigin: origin of the file ('l' or 'r' for local/remote)
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
586 """
37114
aa5199c7aa42 merge: use constants for merge record state
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37113
diff changeset
587 self._state[path] = [MERGE_RECORD_UNRESOLVED_PATH, frename, forigin]
34545
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
588 self._dirty = True
1913162854f2 merge: add pathconflict merge state
Mark Thomas <mbthomas@fb.com>
parents: 34522
diff changeset
589
44688
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
590 def addmergedother(self, path):
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
591 self._state[path] = [MERGE_RECORD_MERGED_OTHER, nullhex, nullhex]
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
592 self._dirty = True
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
593
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
594 def __contains__(self, dfile):
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
595 return dfile in self._state
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
596
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
597 def __getitem__(self, dfile):
6518
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
598 return self._state[dfile][0]
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
599
6518
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
600 def __iter__(self):
21268
a0b8a912ec81 merge: simplify mergestate iter
Mads Kiilerich <mads@kiilerich.com>
parents: 21266
diff changeset
601 return iter(sorted(self._state))
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
602
19285
feaf5749d7a4 merge: add a files method to the mergestate class
Bryan O'Sullivan <bryano@fb.com>
parents: 19226
diff changeset
603 def files(self):
feaf5749d7a4 merge: add a files method to the mergestate class
Bryan O'Sullivan <bryano@fb.com>
parents: 19226
diff changeset
604 return self._state.keys()
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
605
6512
368a4ec603cc merge: introduce mergestate
Matt Mackall <mpm@selenic.com>
parents: 6425
diff changeset
606 def mark(self, dfile, state):
6518
92ccccb55ba3 resolve: new command
Matt Mackall <mpm@selenic.com>
parents: 6517
diff changeset
607 self._state[dfile][0] = state
12369
6f0d9d79111f merge: delay writing the mergestate during until commit is called
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 12279
diff changeset
608 self._dirty = True
20651
c1a52dd56eb4 merge: add blank line between mergestate's method
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20642
diff changeset
609
26766
a83110faece1 merge.mergestate: add a way to get the merge driver state
Siddharth Agarwal <sid0@fb.com>
parents: 26765
diff changeset
610 def mdstate(self):
a83110faece1 merge.mergestate: add a way to get the merge driver state
Siddharth Agarwal <sid0@fb.com>
parents: 26765
diff changeset
611 return self._mdstate
a83110faece1 merge.mergestate: add a way to get the merge driver state
Siddharth Agarwal <sid0@fb.com>
parents: 26765
diff changeset
612
21266
19d6fec60b81 resolve: print message when no unresolved files remain (issue4214)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21264
diff changeset
613 def unresolved(self):
19d6fec60b81 resolve: print message when no unresolved files remain (issue4214)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21264
diff changeset
614 """Obtain the paths of unresolved files."""
19d6fec60b81 resolve: print message when no unresolved files remain (issue4214)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21264
diff changeset
615
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43104
diff changeset
616 for f, entry in pycompat.iteritems(self._state):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
617 if entry[0] in (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
618 MERGE_RECORD_UNRESOLVED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
619 MERGE_RECORD_UNRESOLVED_PATH,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
620 ):
21266
19d6fec60b81 resolve: print message when no unresolved files remain (issue4214)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21264
diff changeset
621 yield f
19d6fec60b81 resolve: print message when no unresolved files remain (issue4214)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 21264
diff changeset
622
26740
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
623 def driverresolved(self):
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
624 """Obtain the paths of driver-resolved files."""
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
625
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
626 for f, entry in self._state.items():
37114
aa5199c7aa42 merge: use constants for merge record state
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37113
diff changeset
627 if entry[0] == MERGE_RECORD_DRIVER_RESOLVED:
26740
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
628 yield f
f4a27c05c43f merge.mergestate: add a generator for driver-resolved files
Siddharth Agarwal <sid0@fb.com>
parents: 26682
diff changeset
629
28009
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
630 def extras(self, filename):
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
631 return self._stateextras.setdefault(filename, {})
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
632
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
633 def _resolve(self, preresolve, dfile, wctx):
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
634 """rerun merge process for file path `dfile`.
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
635 Returns whether the merge was completed and the return value of merge
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
636 obtained from filemerge._filemerge().
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
637 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
638 if self[dfile] in (MERGE_RECORD_RESOLVED, MERGE_RECORD_DRIVER_RESOLVED):
26616
2f1fce0d4e86 merge.mergestate._resolve: also return completed status
Siddharth Agarwal <sid0@fb.com>
parents: 26615
diff changeset
639 return True, 0
44688
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
640 if self._state[dfile][0] == MERGE_RECORD_MERGED_OTHER:
1b8fd4af3318 mergestate: store about files resolved in favour of other
Pulkit Goyal <7895pulkit@gmail.com>
parents: 44470
diff changeset
641 return True, 0
20593
3678707e4017 merge: add "other" file node in the merge state file
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20592
diff changeset
642 stateentry = self._state[dfile]
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
643 state, localkey, lfile, afile, anode, ofile, onode, flags = stateentry
20594
ba619c50a355 resolve: use "other" changeset from merge state (issue4163)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20593
diff changeset
644 octx = self._repo[self._other]
28011
8abd9f785030 merge: add file ancestor linknode to mergestate
Durham Goode <durham@fb.com>
parents: 28009
diff changeset
645 extras = self.extras(dfile)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
646 anccommitnode = extras.get(b'ancestorlinknode')
28011
8abd9f785030 merge: add file ancestor linknode to mergestate
Durham Goode <durham@fb.com>
parents: 28009
diff changeset
647 if anccommitnode:
8abd9f785030 merge: add file ancestor linknode to mergestate
Durham Goode <durham@fb.com>
parents: 28009
diff changeset
648 actx = self._repo[anccommitnode]
8abd9f785030 merge: add file ancestor linknode to mergestate
Durham Goode <durham@fb.com>
parents: 28009
diff changeset
649 else:
8abd9f785030 merge: add file ancestor linknode to mergestate
Durham Goode <durham@fb.com>
parents: 28009
diff changeset
650 actx = None
44930
17d928f8abaf mergestate: move staticmethod _filectxorabsent to module level
Augie Fackler <augie@google.com>
parents: 44915
diff changeset
651 fcd = _filectxorabsent(localkey, wctx, dfile)
17d928f8abaf mergestate: move staticmethod _filectxorabsent to module level
Augie Fackler <augie@google.com>
parents: 44915
diff changeset
652 fco = _filectxorabsent(onode, octx, ofile)
27048
86290f6f6599 mergestate._resolve: handle change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
parents: 27035
diff changeset
653 # TODO: move this to filectxorabsent
37174
daef13da66fe context: avoid using a context object as a changeid
Martin von Zweigbergk <martinvonz@google.com>
parents: 37128
diff changeset
654 fca = self._repo.filectx(afile, fileid=anode, changectx=actx)
18338
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
655 # "premerge" x flags
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
656 flo = fco.flags()
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
657 fla = fca.flags()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
658 if b'x' in flags + flo + fla and b'l' not in flags + flo + fla:
30161
339f9d93daa6 merge: only show "cannot merge flags for %s" warning if flags are different
Mads Kiilerich <madski@unity3d.com>
parents: 30096
diff changeset
659 if fca.node() == nullid and flags != flo:
26617
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
660 if preresolve:
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
661 self._repo.ui.warn(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
662 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
663 b'warning: cannot merge flags for %s '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
664 b'without common ancestor - keeping local flags\n'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
665 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
666 % afile
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
667 )
18338
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
668 elif flags == fla:
384df4db6520 merge: merge file flags together with file content
Mads Kiilerich <mads@kiilerich.com>
parents: 18336
diff changeset
669 flags = flo
26617
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
670 if preresolve:
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
671 # restore local
41155
8c222bec97da merge: make local file storage in the .hg/merge directory extensible
Daniel Ploch <dploch@google.com>
parents: 41053
diff changeset
672 if localkey != nullhex:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
673 f = self._repo.vfs(b'merge/' + localkey)
33095
05c680ebf512 merge: convert repo.wwrite() calls to wctx[f].write()
Phil Cohen <phillco@fb.com>
parents: 33094
diff changeset
674 wctx[dfile].write(f.read(), flags)
27048
86290f6f6599 mergestate._resolve: handle change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
parents: 27035
diff changeset
675 f.close()
86290f6f6599 mergestate._resolve: handle change/delete conflicts
Siddharth Agarwal <sid0@fb.com>
parents: 27035
diff changeset
676 else:
33094
f9e50ee4c52b merge: replace repo.wvfs.unlinkpath() with calls to wctx[f].remove()
Phil Cohen <phillco@fb.com>
parents: 33093
diff changeset
677 wctx[dfile].remove(ignoremissing=True)
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
678 complete, merge_ret, deleted = filemerge.premerge(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
679 self._repo,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
680 wctx,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
681 self._local,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
682 lfile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
683 fcd,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
684 fco,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
685 fca,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
686 labels=self._labels,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
687 )
26617
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
688 else:
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
689 complete, merge_ret, deleted = filemerge.filemerge(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
690 self._repo,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
691 wctx,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
692 self._local,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
693 lfile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
694 fcd,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
695 fco,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
696 fca,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
697 labels=self._labels,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
698 )
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
699 if merge_ret is None:
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
700 # If return value of merge is None, then there are no real conflict
13536
fac040b7e822 merge: drop resolve state for mergers with identical contents (issue2680)
Matt Mackall <mpm@selenic.com>
parents: 13437
diff changeset
701 del self._state[dfile]
28009
4a25e91fa55d merge: add state extras merge state data
Durham Goode <durham@fb.com>
parents: 27951
diff changeset
702 self._stateextras.pop(dfile, None)
20792
89059c450c56 merge: mark mergestate as dirty when resolve changes _state
Mads Kiilerich <madski@unity3d.com>
parents: 20652
diff changeset
703 self._dirty = True
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
704 elif not merge_ret:
37114
aa5199c7aa42 merge: use constants for merge record state
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37113
diff changeset
705 self.mark(dfile, MERGE_RECORD_RESOLVED)
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
706
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
707 if complete:
27075
6373330155b2 mergestate._resolve: don't return the action any more
Siddharth Agarwal <sid0@fb.com>
parents: 27074
diff changeset
708 action = None
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
709 if deleted:
27122
77d760ba8dcd mergestate: explicitly forget 'dc' conflicts where the deleted side is picked
Siddharth Agarwal <sid0@fb.com>
parents: 27121
diff changeset
710 if fcd.isabsent():
77d760ba8dcd mergestate: explicitly forget 'dc' conflicts where the deleted side is picked
Siddharth Agarwal <sid0@fb.com>
parents: 27121
diff changeset
711 # dc: local picked. Need to drop if present, which may
77d760ba8dcd mergestate: explicitly forget 'dc' conflicts where the deleted side is picked
Siddharth Agarwal <sid0@fb.com>
parents: 27121
diff changeset
712 # happen on re-resolves.
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
713 action = ACTION_FORGET
27122
77d760ba8dcd mergestate: explicitly forget 'dc' conflicts where the deleted side is picked
Siddharth Agarwal <sid0@fb.com>
parents: 27121
diff changeset
714 else:
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
715 # cd: remote picked (or otherwise deleted)
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
716 action = ACTION_REMOVE
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
717 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
718 if fcd.isabsent(): # dc: remote picked
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
719 action = ACTION_GET
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
720 elif fco.isabsent(): # cd: local picked
27131
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
721 if dfile in self.localctx:
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
722 action = ACTION_ADD_MODIFIED
27131
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
723 else:
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
724 action = ACTION_ADD
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
725 # else: regular merges (no action necessary)
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
726 self._results[dfile] = merge_ret, action
27035
de7bf242644e merge.mergestate: compute dirstate action
Siddharth Agarwal <sid0@fb.com>
parents: 27034
diff changeset
727
45165
01c4dccfd6b5 mergestate: rename a helpless variable name to bit helpful one
Pulkit Goyal <7895pulkit@gmail.com>
parents: 45164
diff changeset
728 return complete, merge_ret
2775
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
729
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
730 def preresolve(self, dfile, wctx):
26870
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
731 """run premerge process for dfile
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
732
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
733 Returns whether the merge is complete, and the exit code."""
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
734 return self._resolve(True, dfile, wctx)
26617
dfd9811c5c9b merge: introduce a preresolve function
Siddharth Agarwal <sid0@fb.com>
parents: 26616
diff changeset
735
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
736 def resolve(self, dfile, wctx):
26870
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
737 """run merge process (assuming premerge was run) for dfile
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
738
ab798d1a230f merge.mergestate: update docstrings for preresolve and resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26821
diff changeset
739 Returns the exit code of the merge."""
28634
3ceac01bc29f merge: save merge part labels for later reuse
Simon Farnsworth <simonfar@fb.com>
parents: 28267
diff changeset
740 return self._resolve(False, dfile, wctx)[1]
26615
c9223a3979b7 merge.mergestate: add a wrapper around resolve
Siddharth Agarwal <sid0@fb.com>
parents: 26611
diff changeset
741
27076
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
742 def counts(self):
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
743 """return counts for updated, merged and removed files in this
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
744 session"""
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
745 updated, merged, removed = 0, 0, 0
43104
74802979dd9d py3: define and use pycompat.itervalues()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43090
diff changeset
746 for r, action in pycompat.itervalues(self._results):
27076
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
747 if r is None:
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
748 updated += 1
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
749 elif r == 0:
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
750 if action == ACTION_REMOVE:
27076
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
751 removed += 1
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
752 else:
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
753 merged += 1
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
754 return updated, merged, removed
09139ccf3085 mergestate: add a method to return updated/merged/removed counts
Siddharth Agarwal <sid0@fb.com>
parents: 27075
diff changeset
755
27077
ca3fbf9dad8c mergestate: add a function to return the number of unresolved files
Siddharth Agarwal <sid0@fb.com>
parents: 27076
diff changeset
756 def unresolvedcount(self):
ca3fbf9dad8c mergestate: add a function to return the number of unresolved files
Siddharth Agarwal <sid0@fb.com>
parents: 27076
diff changeset
757 """get unresolved count for this merge (persistent)"""
33311
f8f716da90fa mergestate: implement unresolvedcount() in terms of unresolved()
Martin von Zweigbergk <martinvonz@google.com>
parents: 33310
diff changeset
758 return len(list(self.unresolved()))
27077
ca3fbf9dad8c mergestate: add a function to return the number of unresolved files
Siddharth Agarwal <sid0@fb.com>
parents: 27076
diff changeset
759
27079
a88a10a933b2 mergestate: add a method to compute actions to perform on dirstate
Siddharth Agarwal <sid0@fb.com>
parents: 27078
diff changeset
760 def actions(self):
a88a10a933b2 mergestate: add a method to compute actions to perform on dirstate
Siddharth Agarwal <sid0@fb.com>
parents: 27078
diff changeset
761 """return lists of actions to perform on the dirstate"""
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
762 actions = {
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
763 ACTION_REMOVE: [],
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
764 ACTION_FORGET: [],
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
765 ACTION_ADD: [],
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
766 ACTION_ADD_MODIFIED: [],
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
767 ACTION_GET: [],
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
768 }
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43104
diff changeset
769 for f, (r, action) in pycompat.iteritems(self._results):
27079
a88a10a933b2 mergestate: add a method to compute actions to perform on dirstate
Siddharth Agarwal <sid0@fb.com>
parents: 27078
diff changeset
770 if action is not None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
771 actions[action].append((f, None, b"merge result"))
27079
a88a10a933b2 mergestate: add a method to compute actions to perform on dirstate
Siddharth Agarwal <sid0@fb.com>
parents: 27078
diff changeset
772 return actions
a88a10a933b2 mergestate: add a method to compute actions to perform on dirstate
Siddharth Agarwal <sid0@fb.com>
parents: 27078
diff changeset
773
27090
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
774 def queueremove(self, f):
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
775 """queues a file to be removed from the dirstate
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
776
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
777 Meant for use by custom merge drivers."""
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
778 self._results[f] = 0, ACTION_REMOVE
27090
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
779
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
780 def queueadd(self, f):
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
781 """queues a file to be added to the dirstate
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
782
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
783 Meant for use by custom merge drivers."""
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
784 self._results[f] = 0, ACTION_ADD
27090
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
785
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
786 def queueget(self, f):
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
787 """queues a file to be marked modified in the dirstate
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
788
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
789 Meant for use by custom merge drivers."""
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
790 self._results[f] = 0, ACTION_GET
27090
ef6f98473a48 mergestate: add methods to queue files to remove, add or get
Siddharth Agarwal <sid0@fb.com>
parents: 27088
diff changeset
791
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
792
42472
87a34c767384 merge: fix race that could cause wrong size in dirstate
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 42431
diff changeset
793 def recordupdates(repo, actions, branchmerge, getfiledata):
43807
be8552f25cab cleanup: fix docstring formatting
Matt Harbison <matt_harbison@yahoo.com>
parents: 43752
diff changeset
794 """record merge actions to the dirstate"""
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
795 # remove (must come first)
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
796 for f, args, msg in actions.get(ACTION_REMOVE, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
797 if branchmerge:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
798 repo.dirstate.remove(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
799 else:
21389
e741972017d9 merge: change priority / ordering of merge actions
Mads Kiilerich <madski@unity3d.com>
parents: 21269
diff changeset
800 repo.dirstate.drop(f)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
801
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
802 # forget (must come first)
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
803 for f, args, msg in actions.get(ACTION_FORGET, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
804 repo.dirstate.drop(f)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
805
34548
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
806 # resolve path conflicts
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
807 for f, args, msg in actions.get(ACTION_PATH_CONFLICT_RESOLVE, []):
44980
818b4f19ef23 merge: move an inspection of the dirstate from record to calculate phase
Martin von Zweigbergk <martinvonz@google.com>
parents: 44930
diff changeset
808 (f0, origf0) = args
34548
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
809 repo.dirstate.add(f)
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
810 repo.dirstate.copy(origf0, f)
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
811 if f0 == origf0:
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
812 repo.dirstate.remove(f0)
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
813 else:
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
814 repo.dirstate.drop(f0)
b4955650eb57 merge: add merge action 'pr' to rename files during update
Mark Thomas <mbthomas@fb.com>
parents: 34547
diff changeset
815
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
816 # re-add
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
817 for f, args, msg in actions.get(ACTION_ADD, []):
27132
baa7571f40c5 merge.recordupdates: mark 'a' files as added unconditionally
Siddharth Agarwal <sid0@fb.com>
parents: 27131
diff changeset
818 repo.dirstate.add(f)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
819
27131
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
820 # re-add/mark as modified
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
821 for f, args, msg in actions.get(ACTION_ADD_MODIFIED, []):
27131
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
822 if branchmerge:
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
823 repo.dirstate.normallookup(f)
d837da26155e merge: add a new action type representing files to add/mark as modified
Siddharth Agarwal <sid0@fb.com>
parents: 27130
diff changeset
824 else:
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
825 repo.dirstate.add(f)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
826
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
827 # exec change
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
828 for f, args, msg in actions.get(ACTION_EXEC, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
829 repo.dirstate.normallookup(f)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
830
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
831 # keep
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
832 for f, args, msg in actions.get(ACTION_KEEP, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
833 pass
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
834
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
835 # get
42529
d29db0a0c4eb update: fix spurious unclean status bug shown by previous commit
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 42472
diff changeset
836 for f, args, msg in actions.get(ACTION_GET, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
837 if branchmerge:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
838 repo.dirstate.otherparent(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
839 else:
42529
d29db0a0c4eb update: fix spurious unclean status bug shown by previous commit
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 42472
diff changeset
840 parentfiledata = getfiledata[f] if getfiledata else None
42472
87a34c767384 merge: fix race that could cause wrong size in dirstate
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 42431
diff changeset
841 repo.dirstate.normal(f, parentfiledata=parentfiledata)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
842
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
843 # merge
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
844 for f, args, msg in actions.get(ACTION_MERGE, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
845 f1, f2, fa, move, anc = args
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
846 if branchmerge:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
847 # We've done a branch merge, mark this file as merged
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
848 # so that we properly record the merger later
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
849 repo.dirstate.merge(f)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
850 if f1 != f2: # copy/rename
3308
ecc1bf27378c merge: unify merge and copy actions
Matt Mackall <mpm@selenic.com>
parents: 3307
diff changeset
851 if move:
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
852 repo.dirstate.remove(f1)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
853 if f1 != f:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
854 repo.dirstate.copy(f1, f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
855 else:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
856 repo.dirstate.copy(f2, f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
857 else:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
858 # We've update-merged a locally modified file, so
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
859 # we set the dirstate to emulate a normal checkout
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
860 # of that file some time in the past. Thus our
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
861 # merge will appear as a normal local file
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
862 # modification.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 42974
diff changeset
863 if f2 == f: # file not locally copied/moved
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
864 repo.dirstate.normallookup(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
865 if move:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
866 repo.dirstate.drop(f1)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
867
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
868 # directory rename, move local
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
869 for f, args, msg in actions.get(ACTION_DIR_RENAME_MOVE_LOCAL, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
870 f0, flag = args
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
871 if branchmerge:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
872 repo.dirstate.add(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
873 repo.dirstate.remove(f0)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
874 repo.dirstate.copy(f0, f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
875 else:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
876 repo.dirstate.normal(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
877 repo.dirstate.drop(f0)
21391
cb15835456cb merge: change debug logging - test output changes but no real changes
Mads Kiilerich <madski@unity3d.com>
parents: 21390
diff changeset
878
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
879 # directory rename, get
37115
43ffd9070da1 merge: use constants for actions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37114
diff changeset
880 for f, args, msg in actions.get(ACTION_LOCAL_DIR_RENAME_GET, []):
21551
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
881 f0, flag = args
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
882 if branchmerge:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
883 repo.dirstate.add(f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
884 repo.dirstate.copy(f0, f)
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
885 else:
bde505f47141 merge: fix stupid indentation left over from previous refactorings
Mads Kiilerich <madski@unity3d.com>
parents: 21545
diff changeset
886 repo.dirstate.normal(f)