Mercurial > hg
annotate mercurial/error.py @ 31987:8823daaf4665
obsolescence: add test for the "branch replacement" logic during push, case D2
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test cases.
See inline documentation for details about the test case added in this
changeset.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 13 Apr 2017 16:27:42 +0200 |
parents | b445a3f00528 |
children | bf855efe5664 |
rev | line source |
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1 # error.py - Mercurial exceptions |
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2 # |
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3 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
7633 | 7 |
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8 """Mercurial exceptions. |
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9 |
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10 This allows us to catch exceptions at higher levels without forcing |
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11 imports. |
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12 """ |
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13 |
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14 from __future__ import absolute_import |
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15 |
7633 | 16 # Do not import anything here, please |
17 | |
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18 class Hint(object): |
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19 """Mix-in to provide a hint of an error |
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20 |
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21 This should come first in the inheritance list to consume a hint and |
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22 pass remaining arguments to the exception class. |
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23 """ |
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24 def __init__(self, *args, **kw): |
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25 self.hint = kw.pop(r'hint', None) |
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26 super(Hint, self).__init__(*args, **kw) |
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27 |
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28 class RevlogError(Hint, Exception): |
7633 | 29 pass |
30 | |
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31 class FilteredIndexError(IndexError): |
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32 pass |
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33 |
7633 | 34 class LookupError(RevlogError, KeyError): |
35 def __init__(self, name, index, message): | |
36 self.name = name | |
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37 self.index = index |
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38 # this can't be called 'message' because at least some installs of |
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39 # Python 2.6+ complain about the 'message' property being deprecated |
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40 self.lookupmessage = message |
7633 | 41 if isinstance(name, str) and len(name) == 20: |
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42 from .node import short |
7633 | 43 name = short(name) |
44 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
45 | |
46 def __str__(self): | |
47 return RevlogError.__str__(self) | |
7636 | 48 |
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49 class FilteredLookupError(LookupError): |
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50 pass |
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51 |
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52 class ManifestLookupError(LookupError): |
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53 pass |
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54 |
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55 class CommandError(Exception): |
7636 | 56 """Exception raised on errors in parsing the command line.""" |
7637 | 57 |
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58 class InterventionRequired(Hint, Exception): |
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59 """Exception raised when a command requires human intervention.""" |
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60 |
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61 class Abort(Hint, Exception): |
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62 """Raised if a command needs to print an error and exit.""" |
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63 |
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64 class HookLoadError(Abort): |
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65 """raised when loading a hook fails, aborting an operation |
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66 |
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67 Exists to allow more specialized catching.""" |
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68 |
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69 class HookAbort(Abort): |
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70 """raised when a validation hook fails, aborting an operation |
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71 |
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72 Exists to allow more specialized catching.""" |
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73 |
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74 class ConfigError(Abort): |
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75 """Exception raised when parsing config files""" |
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76 |
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77 class UpdateAbort(Abort): |
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78 """Raised when an update is aborted for destination issue""" |
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79 |
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80 class MergeDestAbort(Abort): |
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81 """Raised when an update is aborted for destination issues""" |
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82 |
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83 class NoMergeDestAbort(MergeDestAbort): |
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84 """Raised when an update is aborted because there is nothing to merge""" |
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85 |
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86 class ManyMergeDestAbort(MergeDestAbort): |
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87 """Raised when an update is aborted because destination is ambiguous""" |
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88 |
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89 class ResponseExpected(Abort): |
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90 """Raised when an EOF is received for a prompt""" |
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91 def __init__(self): |
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92 from .i18n import _ |
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93 Abort.__init__(self, _('response expected')) |
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94 |
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95 class OutOfBandError(Hint, Exception): |
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96 """Exception raised when a remote repo reports failure""" |
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97 |
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98 class ParseError(Hint, Exception): |
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99 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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100 |
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101 class UnknownIdentifier(ParseError): |
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102 """Exception raised when a {rev,file}set references an unknown identifier""" |
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103 |
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104 def __init__(self, function, symbols): |
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105 from .i18n import _ |
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106 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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107 self.function = function |
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108 self.symbols = symbols |
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109 |
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110 class RepoError(Hint, Exception): |
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111 pass |
7637 | 112 |
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113 class RepoLookupError(RepoError): |
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114 pass |
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115 |
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116 class FilteredRepoLookupError(RepoLookupError): |
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117 pass |
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118 |
7637 | 119 class CapabilityError(RepoError): |
120 pass | |
7640 | 121 |
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122 class RequirementError(RepoError): |
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123 """Exception raised if .hg/requires has an unknown entry.""" |
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124 |
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125 class StdioError(IOError): |
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126 """Raised if I/O to stdout or stderr fails""" |
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127 |
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128 def __init__(self, err): |
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129 IOError.__init__(self, err.errno, err.strerror) |
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130 |
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131 class UnsupportedMergeRecords(Abort): |
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132 def __init__(self, recordtypes): |
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133 from .i18n import _ |
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134 self.recordtypes = sorted(recordtypes) |
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135 s = ' '.join(self.recordtypes) |
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136 Abort.__init__( |
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137 self, _('unsupported merge state records: %s') % s, |
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138 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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139 'more information')) |
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140 |
7640 | 141 class LockError(IOError): |
142 def __init__(self, errno, strerror, filename, desc): | |
143 IOError.__init__(self, errno, strerror, filename) | |
144 self.desc = desc | |
145 | |
146 class LockHeld(LockError): | |
147 def __init__(self, errno, filename, desc, locker): | |
148 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
149 self.locker = locker | |
150 | |
151 class LockUnavailable(LockError): | |
152 pass | |
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153 |
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154 # LockError is for errors while acquiring the lock -- this is unrelated |
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155 class LockInheritanceContractViolation(RuntimeError): |
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156 pass |
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157 |
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158 class ResponseError(Exception): |
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159 """Raised to print an error with part of output and exit.""" |
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160 |
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161 class UnknownCommand(Exception): |
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162 """Exception raised if command is not in the command table.""" |
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163 |
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164 class AmbiguousCommand(Exception): |
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165 """Exception raised if command shortcut matches more than one command.""" |
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166 |
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167 # derived from KeyboardInterrupt to simplify some breakout code |
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168 class SignalInterrupt(KeyboardInterrupt): |
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169 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 170 |
171 class SignatureError(Exception): | |
172 pass | |
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173 |
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174 class PushRaced(RuntimeError): |
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175 """An exception raised during unbundling that indicate a push race""" |
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176 |
30573 | 177 class ProgrammingError(RuntimeError): |
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178 """Raised if a mercurial (core or extension) developer made a mistake""" |
30573 | 179 |
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180 # bundle2 related errors |
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181 class BundleValueError(ValueError): |
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182 """error raised when bundle2 cannot be processed""" |
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183 |
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184 class BundleUnknownFeatureError(BundleValueError): |
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185 def __init__(self, parttype=None, params=(), values=()): |
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186 self.parttype = parttype |
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187 self.params = params |
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188 self.values = values |
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189 if self.parttype is None: |
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190 msg = 'Stream Parameter' |
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191 else: |
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192 msg = parttype |
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193 entries = self.params |
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194 if self.params and self.values: |
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195 assert len(self.params) == len(self.values) |
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196 entries = [] |
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197 for idx, par in enumerate(self.params): |
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198 val = self.values[idx] |
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199 if val is None: |
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200 entries.append(val) |
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201 else: |
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202 entries.append("%s=%r" % (par, val)) |
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203 if entries: |
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204 msg = '%s - %s' % (msg, ', '.join(entries)) |
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205 ValueError.__init__(self, msg) |
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206 |
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207 class ReadOnlyPartError(RuntimeError): |
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208 """error raised when code tries to alter a part being generated""" |
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209 |
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210 class PushkeyFailed(Abort): |
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211 """error raised when a pushkey part failed to update a value""" |
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212 |
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213 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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214 ret=None): |
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215 self.partid = partid |
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216 self.namespace = namespace |
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217 self.key = key |
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218 self.new = new |
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219 self.old = old |
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220 self.ret = ret |
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221 # no i18n expected to be processed into a better message |
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222 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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223 % (namespace, key)) |
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224 |
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225 class CensoredNodeError(RevlogError): |
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226 """error raised when content verification fails on a censored node |
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227 |
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228 Also contains the tombstone data substituted for the uncensored data. |
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229 """ |
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230 |
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231 def __init__(self, filename, node, tombstone): |
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232 from .node import short |
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233 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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234 self.tombstone = tombstone |
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235 |
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236 class CensoredBaseError(RevlogError): |
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237 """error raised when a delta is rejected because its base is censored |
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238 |
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239 A delta based on a censored revision must be formed as single patch |
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240 operation which replaces the entire base with new content. This ensures |
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241 the delta may be applied by clones which have not censored the base. |
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242 """ |
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243 |
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244 class InvalidBundleSpecification(Exception): |
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245 """error raised when a bundle specification is invalid. |
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246 |
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247 This is used for syntax errors as opposed to support errors. |
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248 """ |
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249 |
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250 class UnsupportedBundleSpecification(Exception): |
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251 """error raised when a bundle specification is not supported.""" |
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252 |
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253 class CorruptedState(Exception): |
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254 """error raised when a command is not able to read its state from file""" |