author | Yuya Nishihara <yuya@tcha.org> |
Sun, 22 May 2016 13:53:32 +0900 | |
changeset 29586 | 42cdba9cfee4 |
parent 29536 | b17a6e3cd2ac |
child 30332 | 318a24b52eeb |
permissions | -rw-r--r-- |
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# error.py - Mercurial exceptions |
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# |
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# Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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"""Mercurial exceptions. |
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This allows us to catch exceptions at higher levels without forcing |
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imports. |
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""" |
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from __future__ import absolute_import |
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# Do not import anything here, please |
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class Hint(object): |
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"""Mix-in to provide a hint of an error |
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This should come first in the inheritance list to consume a hint and |
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pass remaining arguments to the exception class. |
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""" |
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def __init__(self, *args, **kw): |
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self.hint = kw.pop('hint', None) |
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super(Hint, self).__init__(*args, **kw) |
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class RevlogError(Hint, Exception): |
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pass |
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class FilteredIndexError(IndexError): |
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pass |
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class LookupError(RevlogError, KeyError): |
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def __init__(self, name, index, message): |
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self.name = name |
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self.index = index |
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# this can't be called 'message' because at least some installs of |
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# Python 2.6+ complain about the 'message' property being deprecated |
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self.lookupmessage = message |
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if isinstance(name, str) and len(name) == 20: |
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from .node import short |
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name = short(name) |
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RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) |
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def __str__(self): |
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return RevlogError.__str__(self) |
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class FilteredLookupError(LookupError): |
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pass |
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class ManifestLookupError(LookupError): |
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pass |
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class CommandError(Exception): |
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"""Exception raised on errors in parsing the command line.""" |
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class InterventionRequired(Hint, Exception): |
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"""Exception raised when a command requires human intervention.""" |
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class Abort(Hint, Exception): |
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"""Raised if a command needs to print an error and exit.""" |
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class HookLoadError(Abort): |
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"""raised when loading a hook fails, aborting an operation |
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Exists to allow more specialized catching.""" |
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class HookAbort(Abort): |
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"""raised when a validation hook fails, aborting an operation |
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Exists to allow more specialized catching.""" |
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class ConfigError(Abort): |
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"""Exception raised when parsing config files""" |
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class UpdateAbort(Abort): |
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"""Raised when an update is aborted for destination issue""" |
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class MergeDestAbort(Abort): |
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"""Raised when an update is aborted for destination issues""" |
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class NoMergeDestAbort(MergeDestAbort): |
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"""Raised when an update is aborted because there is nothing to merge""" |
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class ManyMergeDestAbort(MergeDestAbort): |
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"""Raised when an update is aborted because destination is ambigious""" |
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class ResponseExpected(Abort): |
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"""Raised when an EOF is received for a prompt""" |
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def __init__(self): |
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from .i18n import _ |
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Abort.__init__(self, _('response expected')) |
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class OutOfBandError(Hint, Exception): |
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"""Exception raised when a remote repo reports failure""" |
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class ParseError(Hint, Exception): |
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"""Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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class UnknownIdentifier(ParseError): |
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"""Exception raised when a {rev,file}set references an unknown identifier""" |
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def __init__(self, function, symbols): |
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from .i18n import _ |
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ParseError.__init__(self, _("unknown identifier: %s") % function) |
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self.function = function |
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self.symbols = symbols |
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class RepoError(Hint, Exception): |
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pass |
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class RepoLookupError(RepoError): |
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pass |
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class FilteredRepoLookupError(RepoLookupError): |
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pass |
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class CapabilityError(RepoError): |
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pass |
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class RequirementError(RepoError): |
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"""Exception raised if .hg/requires has an unknown entry.""" |
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class UnsupportedMergeRecords(Abort): |
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def __init__(self, recordtypes): |
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from .i18n import _ |
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|
128 |
self.recordtypes = sorted(recordtypes) |
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|
129 |
s = ' '.join(self.recordtypes) |
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|
130 |
Abort.__init__( |
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|
131 |
self, _('unsupported merge state records: %s') % s, |
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132 |
hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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|
133 |
'more information')) |
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|
134 |
|
7640 | 135 |
class LockError(IOError): |
136 |
def __init__(self, errno, strerror, filename, desc): |
|
137 |
IOError.__init__(self, errno, strerror, filename) |
|
138 |
self.desc = desc |
|
139 |
||
140 |
class LockHeld(LockError): |
|
141 |
def __init__(self, errno, filename, desc, locker): |
|
142 |
LockError.__init__(self, errno, 'Lock held', filename, desc) |
|
143 |
self.locker = locker |
|
144 |
||
145 |
class LockUnavailable(LockError): |
|
146 |
pass |
|
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|
147 |
|
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|
148 |
# LockError is for errors while acquiring the lock -- this is unrelated |
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|
149 |
class LockInheritanceContractViolation(RuntimeError): |
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|
150 |
pass |
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|
151 |
|
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|
152 |
class ResponseError(Exception): |
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|
153 |
"""Raised to print an error with part of output and exit.""" |
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|
154 |
|
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|
155 |
class UnknownCommand(Exception): |
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|
156 |
"""Exception raised if command is not in the command table.""" |
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|
157 |
|
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|
158 |
class AmbiguousCommand(Exception): |
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|
159 |
"""Exception raised if command shortcut matches more than one command.""" |
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|
160 |
|
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error: move SignalInterrupt
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|
161 |
# derived from KeyboardInterrupt to simplify some breakout code |
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|
162 |
class SignalInterrupt(KeyboardInterrupt): |
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|
163 |
"""Exception raised on SIGTERM and SIGHUP.""" |
7646 | 164 |
|
165 |
class SignatureError(Exception): |
|
166 |
pass |
|
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|
167 |
|
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|
168 |
class PushRaced(RuntimeError): |
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|
169 |
"""An exception raised during unbundling that indicate a push race""" |
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|
170 |
|
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|
171 |
# bundle2 related errors |
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|
172 |
class BundleValueError(ValueError): |
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|
173 |
"""error raised when bundle2 cannot be processed""" |
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|
174 |
|
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|
175 |
class BundleUnknownFeatureError(BundleValueError): |
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|
176 |
def __init__(self, parttype=None, params=(), values=()): |
21620
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|
177 |
self.parttype = parttype |
21621
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|
178 |
self.params = params |
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|
179 |
self.values = values |
21627
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parents:
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changeset
|
180 |
if self.parttype is None: |
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changeset
|
181 |
msg = 'Stream Parameter' |
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parents:
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diff
changeset
|
182 |
else: |
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diff
changeset
|
183 |
msg = parttype |
26394
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changeset
|
184 |
entries = self.params |
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changeset
|
185 |
if self.params and self.values: |
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changeset
|
186 |
assert len(self.params) == len(self.values) |
e75da738add5
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parents:
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changeset
|
187 |
entries = [] |
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parents:
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diff
changeset
|
188 |
for idx, par in enumerate(self.params): |
e75da738add5
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parents:
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diff
changeset
|
189 |
val = self.values[idx] |
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parents:
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changeset
|
190 |
if val is None: |
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parents:
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changeset
|
191 |
entries.append(val) |
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parents:
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diff
changeset
|
192 |
else: |
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parents:
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diff
changeset
|
193 |
entries.append("%s=%r" % (par, val)) |
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parents:
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changeset
|
194 |
if entries: |
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parents:
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diff
changeset
|
195 |
msg = '%s - %s' % (msg, ', '.join(entries)) |
21747
fecead61d222
error: restore python 2.4 compatibility for BundleValueError
Brendan Cully <brendan@kublai.com>
parents:
21627
diff
changeset
|
196 |
ValueError.__init__(self, msg) |
21618
7568f5c1c801
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parents:
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diff
changeset
|
197 |
|
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diff
changeset
|
198 |
class ReadOnlyPartError(RuntimeError): |
7568f5c1c801
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parents:
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diff
changeset
|
199 |
"""error raised when code tries to alter a part being generated""" |
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parents:
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diff
changeset
|
200 |
|
25484
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25249
diff
changeset
|
201 |
class PushkeyFailed(Abort): |
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25249
diff
changeset
|
202 |
"""error raised when a pushkey part failed to update a value""" |
a5192774e925
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parents:
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diff
changeset
|
203 |
|
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parents:
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diff
changeset
|
204 |
def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
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parents:
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diff
changeset
|
205 |
ret=None): |
a5192774e925
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parents:
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diff
changeset
|
206 |
self.partid = partid |
a5192774e925
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parents:
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diff
changeset
|
207 |
self.namespace = namespace |
a5192774e925
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parents:
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diff
changeset
|
208 |
self.key = key |
a5192774e925
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parents:
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diff
changeset
|
209 |
self.new = new |
a5192774e925
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parents:
25249
diff
changeset
|
210 |
self.old = old |
a5192774e925
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parents:
25249
diff
changeset
|
211 |
self.ret = ret |
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
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parents:
25249
diff
changeset
|
212 |
# no i18n expected to be processed into a better message |
a5192774e925
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parents:
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diff
changeset
|
213 |
Abort.__init__(self, 'failed to update value for "%s/%s"' |
a5192774e925
bundle2: introduce a PushkeyFail error to abort unbundle on pushkey error
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parents:
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diff
changeset
|
214 |
% (namespace, key)) |
a5192774e925
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parents:
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diff
changeset
|
215 |
|
22595
244478687edd
error: add CensoredNodeError, will be thrown when content deliberately erased
Mike Edgar <adgar@google.com>
parents:
22359
diff
changeset
|
216 |
class CensoredNodeError(RevlogError): |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
Mike Edgar <adgar@google.com>
parents:
24137
diff
changeset
|
217 |
"""error raised when content verification fails on a censored node |
22595
244478687edd
error: add CensoredNodeError, will be thrown when content deliberately erased
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parents:
22359
diff
changeset
|
218 |
|
24190
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changeset
|
219 |
Also contains the tombstone data substituted for the uncensored data. |
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parents:
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diff
changeset
|
220 |
""" |
903c7e8c97ad
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parents:
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diff
changeset
|
221 |
|
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
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parents:
24137
diff
changeset
|
222 |
def __init__(self, filename, node, tombstone): |
25945
147bd9e238a1
error: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25484
diff
changeset
|
223 |
from .node import short |
22595
244478687edd
error: add CensoredNodeError, will be thrown when content deliberately erased
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parents:
22359
diff
changeset
|
224 |
RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
24190
903c7e8c97ad
changegroup: emit full-replacement deltas if either revision is censored
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parents:
24137
diff
changeset
|
225 |
self.tombstone = tombstone |
24120
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents:
24040
diff
changeset
|
226 |
|
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
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parents:
24040
diff
changeset
|
227 |
class CensoredBaseError(RevlogError): |
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
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parents:
24040
diff
changeset
|
228 |
"""error raised when a delta is rejected because its base is censored |
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
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parents:
24040
diff
changeset
|
229 |
|
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
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parents:
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diff
changeset
|
230 |
A delta based on a censored revision must be formed as single patch |
a450e0a2ba0a
revlog: in addgroup, reject ill-formed deltas based on censored nodes
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parents:
24040
diff
changeset
|
231 |
operation which replaces the entire base with new content. This ensures |
a450e0a2ba0a
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parents:
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diff
changeset
|
232 |
the delta may be applied by clones which have not censored the base. |
a450e0a2ba0a
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parents:
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changeset
|
233 |
""" |
26640
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exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26438
diff
changeset
|
234 |
|
b13fdcc4e700
exchange: refactor bundle specification parsing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
235 |
class InvalidBundleSpecification(Exception): |
b13fdcc4e700
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diff
changeset
|
236 |
"""error raised when a bundle specification is invalid. |
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parents:
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changeset
|
237 |
|
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diff
changeset
|
238 |
This is used for syntax errors as opposed to support errors. |
b13fdcc4e700
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parents:
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diff
changeset
|
239 |
""" |
b13fdcc4e700
exchange: refactor bundle specification parsing
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parents:
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diff
changeset
|
240 |
|
b13fdcc4e700
exchange: refactor bundle specification parsing
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parents:
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diff
changeset
|
241 |
class UnsupportedBundleSpecification(Exception): |
b13fdcc4e700
exchange: refactor bundle specification parsing
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parents:
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diff
changeset
|
242 |
"""error raised when a bundle specification is not supported.""" |
29536
b17a6e3cd2ac
shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents:
29510
diff
changeset
|
243 |
|
b17a6e3cd2ac
shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents:
29510
diff
changeset
|
244 |
class CorruptedState(Exception): |
b17a6e3cd2ac
shelve: make unshelve be able to abort in any case
Kostia Balytskyi <ikostia@fb.com>
parents:
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diff
changeset
|
245 |
"""error raised when a command is not able to read its state from file""" |