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annotate hgext/remotefilelog/fileserverclient.py @ 40507:e2a1584e9e3f

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remotefilelog: rip out lz4 support Some methods are left teased out so it's easier to build a migration extension from v1 packs to v2. I also anticipate those methods will be of use if we get around to adding configurable compression engines before we end up jettisoning packs. I think it would make sense to register one-shot `compress` and `decompress` methods on our compression engines in util.py, but indygreg mentioned that might not be straightforward. Differential Revision: https://phab.mercurial-scm.org/D4944
author Augie Fackler <augie@google.com>
date Thu, 04 Oct 2018 00:11:37 -0400
parents 6d64e2abe8d3
children 354acd0dc637
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1 # fileserverclient.py - client for communicating with the cache process
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2 #
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3 # Copyright 2013 Facebook, Inc.
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import hashlib
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11 import io
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12 import os
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13 import threading
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14 import time
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15 import zlib
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16
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17 from mercurial.i18n import _
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18 from mercurial.node import bin, hex, nullid
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19 from mercurial import (
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20 error,
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21 revlog,
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22 sshpeer,
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23 util,
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24 wireprotov1peer,
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25 )
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26 from mercurial.utils import procutil
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27
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28 from . import (
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29 constants,
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30 contentstore,
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31 metadatastore,
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32 )
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33
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34 _sshv1peer = sshpeer.sshv1peer
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35
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36 # Statistics for debugging
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37 fetchcost = 0
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38 fetches = 0
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39 fetched = 0
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40 fetchmisses = 0
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41
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42 _lfsmod = None
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43 _downloading = _('downloading')
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44
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45 def getcachekey(reponame, file, id):
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46 pathhash = hashlib.sha1(file).hexdigest()
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47 return os.path.join(reponame, pathhash[:2], pathhash[2:], id)
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48
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49 def getlocalkey(file, id):
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50 pathhash = hashlib.sha1(file).hexdigest()
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51 return os.path.join(pathhash, id)
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52
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53 def peersetup(ui, peer):
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54
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55 class remotefilepeer(peer.__class__):
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56 @wireprotov1peer.batchable
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57 def getfile(self, file, node):
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58 if not self.capable('getfile'):
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59 raise error.Abort(
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60 'configured remotefile server does not support getfile')
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61 f = wireprotov1peer.future()
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62 yield {'file': file, 'node': node}, f
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63 code, data = f.value.split('\0', 1)
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64 if int(code):
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65 raise error.LookupError(file, node, data)
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66 yield data
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67
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68 @wireprotov1peer.batchable
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69 def getflogheads(self, path):
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70 if not self.capable('getflogheads'):
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71 raise error.Abort('configured remotefile server does not '
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72 'support getflogheads')
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73 f = wireprotov1peer.future()
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74 yield {'path': path}, f
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75 heads = f.value.split('\n') if f.value else []
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76 yield heads
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77
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78 def _updatecallstreamopts(self, command, opts):
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79 if command != 'getbundle':
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80 return
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81 if 'remotefilelog' not in self.capabilities():
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82 return
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83 if not util.safehasattr(self, '_localrepo'):
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84 return
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85 if constants.REQUIREMENT not in self._localrepo.requirements:
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86 return
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87
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88 bundlecaps = opts.get('bundlecaps')
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89 if bundlecaps:
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90 bundlecaps = [bundlecaps]
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91 else:
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92 bundlecaps = []
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93
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94 # shallow, includepattern, and excludepattern are a hacky way of
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95 # carrying over data from the local repo to this getbundle
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96 # command. We need to do it this way because bundle1 getbundle
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97 # doesn't provide any other place we can hook in to manipulate
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98 # getbundle args before it goes across the wire. Once we get rid
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99 # of bundle1, we can use bundle2's _pullbundle2extraprepare to
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100 # do this more cleanly.
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101 bundlecaps.append('remotefilelog')
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102 if self._localrepo.includepattern:
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103 patterns = '\0'.join(self._localrepo.includepattern)
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104 includecap = "includepattern=" + patterns
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105 bundlecaps.append(includecap)
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106 if self._localrepo.excludepattern:
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107 patterns = '\0'.join(self._localrepo.excludepattern)
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108 excludecap = "excludepattern=" + patterns
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109 bundlecaps.append(excludecap)
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110 opts['bundlecaps'] = ','.join(bundlecaps)
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111
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112 def _sendrequest(self, command, args, **opts):
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113 self._updatecallstreamopts(command, args)
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114 return super(remotefilepeer, self)._sendrequest(command, args,
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115 **opts)
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116
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117 def _callstream(self, command, **opts):
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118 supertype = super(remotefilepeer, self)
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119 if not util.safehasattr(supertype, '_sendrequest'):
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120 self._updatecallstreamopts(command, opts)
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121 return super(remotefilepeer, self)._callstream(command, **opts)
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diff changeset
122
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diff changeset
123 peer.__class__ = remotefilepeer
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diff changeset
124
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diff changeset
125 class cacheconnection(object):
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diff changeset
126 """The connection for communicating with the remote cache. Performs
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127 gets and sets by communicating with an external process that has the
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diff changeset
128 cache-specific implementation.
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Augie Fackler <augie@google.com>
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diff changeset
129 """
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diff changeset
130 def __init__(self):
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diff changeset
131 self.pipeo = self.pipei = self.pipee = None
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132 self.subprocess = None
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diff changeset
133 self.connected = False
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parents:
diff changeset
134
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diff changeset
135 def connect(self, cachecommand):
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diff changeset
136 if self.pipeo:
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diff changeset
137 raise error.Abort(_("cache connection already open"))
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diff changeset
138 self.pipei, self.pipeo, self.pipee, self.subprocess = \
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diff changeset
139 procutil.popen4(cachecommand)
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diff changeset
140 self.connected = True
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diff changeset
141
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diff changeset
142 def close(self):
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diff changeset
143 def tryclose(pipe):
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144 try:
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diff changeset
145 pipe.close()
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diff changeset
146 except Exception:
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147 pass
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diff changeset
148 if self.connected:
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149 try:
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150 self.pipei.write("exit\n")
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151 except Exception:
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152 pass
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diff changeset
153 tryclose(self.pipei)
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154 self.pipei = None
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parents:
diff changeset
155 tryclose(self.pipeo)
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diff changeset
156 self.pipeo = None
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parents:
diff changeset
157 tryclose(self.pipee)
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diff changeset
158 self.pipee = None
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diff changeset
159 try:
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parents:
diff changeset
160 # Wait for process to terminate, making sure to avoid deadlock.
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parents:
diff changeset
161 # See https://docs.python.org/2/library/subprocess.html for
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parents:
diff changeset
162 # warnings about wait() and deadlocking.
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parents:
diff changeset
163 self.subprocess.communicate()
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diff changeset
164 except Exception:
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165 pass
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diff changeset
166 self.subprocess = None
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diff changeset
167 self.connected = False
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parents:
diff changeset
168
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diff changeset
169 def request(self, request, flush=True):
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diff changeset
170 if self.connected:
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parents:
diff changeset
171 try:
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parents:
diff changeset
172 self.pipei.write(request)
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diff changeset
173 if flush:
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parents:
diff changeset
174 self.pipei.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
175 except IOError:
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Augie Fackler <augie@google.com>
parents:
diff changeset
176 self.close()
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diff changeset
177
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diff changeset
178 def receiveline(self):
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diff changeset
179 if not self.connected:
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diff changeset
180 return None
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parents:
diff changeset
181 try:
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parents:
diff changeset
182 result = self.pipeo.readline()[:-1]
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Augie Fackler <augie@google.com>
parents:
diff changeset
183 if not result:
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diff changeset
184 self.close()
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Augie Fackler <augie@google.com>
parents:
diff changeset
185 except IOError:
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Augie Fackler <augie@google.com>
parents:
diff changeset
186 self.close()
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parents:
diff changeset
187
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diff changeset
188 return result
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diff changeset
189
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parents:
diff changeset
190 def _getfilesbatch(
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parents:
diff changeset
191 remote, receivemissing, progresstick, missed, idmap, batchsize):
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Augie Fackler <augie@google.com>
parents:
diff changeset
192 # Over http(s), iterbatch is a streamy method and we can start
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Augie Fackler <augie@google.com>
parents:
diff changeset
193 # looking at results early. This means we send one (potentially
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Augie Fackler <augie@google.com>
parents:
diff changeset
194 # large) request, but then we show nice progress as we process
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Augie Fackler <augie@google.com>
parents:
diff changeset
195 # file results, rather than showing chunks of $batchsize in
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Augie Fackler <augie@google.com>
parents:
diff changeset
196 # progress.
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Augie Fackler <augie@google.com>
parents:
diff changeset
197 #
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Augie Fackler <augie@google.com>
parents:
diff changeset
198 # Over ssh, iterbatch isn't streamy because batch() wasn't
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Augie Fackler <augie@google.com>
parents:
diff changeset
199 # explicitly designed as a streaming method. In the future we
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Augie Fackler <augie@google.com>
parents:
diff changeset
200 # should probably introduce a streambatch() method upstream and
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Augie Fackler <augie@google.com>
parents:
diff changeset
201 # use that for this.
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Augie Fackler <augie@google.com>
parents:
diff changeset
202 with remote.commandexecutor() as e:
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Augie Fackler <augie@google.com>
parents:
diff changeset
203 futures = []
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Augie Fackler <augie@google.com>
parents:
diff changeset
204 for m in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
205 futures.append(e.callcommand('getfile', {
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Augie Fackler <augie@google.com>
parents:
diff changeset
206 'file': idmap[m],
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Augie Fackler <augie@google.com>
parents:
diff changeset
207 'node': m[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
208 }))
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Augie Fackler <augie@google.com>
parents:
diff changeset
209
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
210 for i, m in enumerate(missed):
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Augie Fackler <augie@google.com>
parents:
diff changeset
211 r = futures[i].result()
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Augie Fackler <augie@google.com>
parents:
diff changeset
212 futures[i] = None # release memory
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Augie Fackler <augie@google.com>
parents:
diff changeset
213 file_ = idmap[m]
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Augie Fackler <augie@google.com>
parents:
diff changeset
214 node = m[-40:]
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parents:
diff changeset
215 receivemissing(io.BytesIO('%d\n%s' % (len(r), r)), file_, node)
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Augie Fackler <augie@google.com>
parents:
diff changeset
216 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
217
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Augie Fackler <augie@google.com>
parents:
diff changeset
218 def _getfiles_optimistic(
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Augie Fackler <augie@google.com>
parents:
diff changeset
219 remote, receivemissing, progresstick, missed, idmap, step):
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Augie Fackler <augie@google.com>
parents:
diff changeset
220 remote._callstream("getfiles")
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Augie Fackler <augie@google.com>
parents:
diff changeset
221 i = 0
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Augie Fackler <augie@google.com>
parents:
diff changeset
222 pipeo = remote._pipeo
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Augie Fackler <augie@google.com>
parents:
diff changeset
223 pipei = remote._pipei
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Augie Fackler <augie@google.com>
parents:
diff changeset
224 while i < len(missed):
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Augie Fackler <augie@google.com>
parents:
diff changeset
225 # issue a batch of requests
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Augie Fackler <augie@google.com>
parents:
diff changeset
226 start = i
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Augie Fackler <augie@google.com>
parents:
diff changeset
227 end = min(len(missed), start + step)
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Augie Fackler <augie@google.com>
parents:
diff changeset
228 i = end
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Augie Fackler <augie@google.com>
parents:
diff changeset
229 for missingid in missed[start:end]:
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Augie Fackler <augie@google.com>
parents:
diff changeset
230 # issue new request
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Augie Fackler <augie@google.com>
parents:
diff changeset
231 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
232 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
233 sshrequest = "%s%s\n" % (versionid, file)
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Augie Fackler <augie@google.com>
parents:
diff changeset
234 pipeo.write(sshrequest)
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Augie Fackler <augie@google.com>
parents:
diff changeset
235 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
236
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Augie Fackler <augie@google.com>
parents:
diff changeset
237 # receive batch results
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Augie Fackler <augie@google.com>
parents:
diff changeset
238 for missingid in missed[start:end]:
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Augie Fackler <augie@google.com>
parents:
diff changeset
239 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
240 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
241 receivemissing(pipei, file, versionid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
242 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
243
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Augie Fackler <augie@google.com>
parents:
diff changeset
244 # End the command
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Augie Fackler <augie@google.com>
parents:
diff changeset
245 pipeo.write('\n')
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Augie Fackler <augie@google.com>
parents:
diff changeset
246 pipeo.flush()
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parents:
diff changeset
247
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parents:
diff changeset
248 def _getfiles_threaded(
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parents:
diff changeset
249 remote, receivemissing, progresstick, missed, idmap, step):
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parents:
diff changeset
250 remote._callstream("getfiles")
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Augie Fackler <augie@google.com>
parents:
diff changeset
251 pipeo = remote._pipeo
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parents:
diff changeset
252 pipei = remote._pipei
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parents:
diff changeset
253
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Augie Fackler <augie@google.com>
parents:
diff changeset
254 def writer():
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Augie Fackler <augie@google.com>
parents:
diff changeset
255 for missingid in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
256 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
257 file = idmap[missingid]
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parents:
diff changeset
258 sshrequest = "%s%s\n" % (versionid, file)
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Augie Fackler <augie@google.com>
parents:
diff changeset
259 pipeo.write(sshrequest)
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Augie Fackler <augie@google.com>
parents:
diff changeset
260 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
261 writerthread = threading.Thread(target=writer)
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Augie Fackler <augie@google.com>
parents:
diff changeset
262 writerthread.daemon = True
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Augie Fackler <augie@google.com>
parents:
diff changeset
263 writerthread.start()
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Augie Fackler <augie@google.com>
parents:
diff changeset
264
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Augie Fackler <augie@google.com>
parents:
diff changeset
265 for missingid in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
266 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
267 file = idmap[missingid]
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parents:
diff changeset
268 receivemissing(pipei, file, versionid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
269 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
270
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Augie Fackler <augie@google.com>
parents:
diff changeset
271 writerthread.join()
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Augie Fackler <augie@google.com>
parents:
diff changeset
272 # End the command
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Augie Fackler <augie@google.com>
parents:
diff changeset
273 pipeo.write('\n')
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Augie Fackler <augie@google.com>
parents:
diff changeset
274 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
275
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Augie Fackler <augie@google.com>
parents:
diff changeset
276 class fileserverclient(object):
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parents:
diff changeset
277 """A client for requesting files from the remote file server.
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Augie Fackler <augie@google.com>
parents:
diff changeset
278 """
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Augie Fackler <augie@google.com>
parents:
diff changeset
279 def __init__(self, repo):
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parents:
diff changeset
280 ui = repo.ui
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parents:
diff changeset
281 self.repo = repo
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parents:
diff changeset
282 self.ui = ui
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Augie Fackler <augie@google.com>
parents:
diff changeset
283 self.cacheprocess = ui.config("remotefilelog", "cacheprocess")
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Augie Fackler <augie@google.com>
parents:
diff changeset
284 if self.cacheprocess:
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Augie Fackler <augie@google.com>
parents:
diff changeset
285 self.cacheprocess = util.expandpath(self.cacheprocess)
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Augie Fackler <augie@google.com>
parents:
diff changeset
286
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Augie Fackler <augie@google.com>
parents:
diff changeset
287 # This option causes remotefilelog to pass the full file path to the
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Augie Fackler <augie@google.com>
parents:
diff changeset
288 # cacheprocess instead of a hashed key.
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Augie Fackler <augie@google.com>
parents:
diff changeset
289 self.cacheprocesspasspath = ui.configbool(
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Augie Fackler <augie@google.com>
parents:
diff changeset
290 "remotefilelog", "cacheprocess.includepath")
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parents:
diff changeset
291
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Augie Fackler <augie@google.com>
parents:
diff changeset
292 self.debugoutput = ui.configbool("remotefilelog", "debug")
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Augie Fackler <augie@google.com>
parents:
diff changeset
293
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Augie Fackler <augie@google.com>
parents:
diff changeset
294 self.remotecache = cacheconnection()
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parents:
diff changeset
295
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Augie Fackler <augie@google.com>
parents:
diff changeset
296 def setstore(self, datastore, historystore, writedata, writehistory):
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Augie Fackler <augie@google.com>
parents:
diff changeset
297 self.datastore = datastore
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Augie Fackler <augie@google.com>
parents:
diff changeset
298 self.historystore = historystore
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parents:
diff changeset
299 self.writedata = writedata
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parents:
diff changeset
300 self.writehistory = writehistory
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Augie Fackler <augie@google.com>
parents:
diff changeset
301
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Augie Fackler <augie@google.com>
parents:
diff changeset
302 def _connect(self):
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Augie Fackler <augie@google.com>
parents:
diff changeset
303 return self.repo.connectionpool.get(self.repo.fallbackpath)
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Augie Fackler <augie@google.com>
parents:
diff changeset
304
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Augie Fackler <augie@google.com>
parents:
diff changeset
305 def request(self, fileids):
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Augie Fackler <augie@google.com>
parents:
diff changeset
306 """Takes a list of filename/node pairs and fetches them from the
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Augie Fackler <augie@google.com>
parents:
diff changeset
307 server. Files are stored in the local cache.
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Augie Fackler <augie@google.com>
parents:
diff changeset
308 A list of nodes that the server couldn't find is returned.
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Augie Fackler <augie@google.com>
parents:
diff changeset
309 If the connection fails, an exception is raised.
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Augie Fackler <augie@google.com>
parents:
diff changeset
310 """
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Augie Fackler <augie@google.com>
parents:
diff changeset
311 if not self.remotecache.connected:
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Augie Fackler <augie@google.com>
parents:
diff changeset
312 self.connect()
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Augie Fackler <augie@google.com>
parents:
diff changeset
313 cache = self.remotecache
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Augie Fackler <augie@google.com>
parents:
diff changeset
314 writedata = self.writedata
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Augie Fackler <augie@google.com>
parents:
diff changeset
315
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Augie Fackler <augie@google.com>
parents:
diff changeset
316 repo = self.repo
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Augie Fackler <augie@google.com>
parents:
diff changeset
317 count = len(fileids)
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Augie Fackler <augie@google.com>
parents:
diff changeset
318 request = "get\n%d\n" % count
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Augie Fackler <augie@google.com>
parents:
diff changeset
319 idmap = {}
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
320 reponame = repo.name
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
321 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
322 fullid = getcachekey(reponame, file, id)
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Augie Fackler <augie@google.com>
parents:
diff changeset
323 if self.cacheprocesspasspath:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
324 request += file + '\0'
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
325 request += fullid + "\n"
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
326 idmap[fullid] = file
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
327
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
328 cache.request(request)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
329
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
330 total = count
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
331 self.ui.progress(_downloading, 0, total=count)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
332
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
333 missed = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
334 count = 0
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
335 while True:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
336 missingid = cache.receiveline()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
337 if not missingid:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
338 missedset = set(missed)
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Augie Fackler <augie@google.com>
parents:
diff changeset
339 for missingid in idmap.iterkeys():
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
340 if not missingid in missedset:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
341 missed.append(missingid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
342 self.ui.warn(_("warning: cache connection closed early - " +
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
343 "falling back to server\n"))
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Augie Fackler <augie@google.com>
parents:
diff changeset
344 break
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
345 if missingid == "0":
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Augie Fackler <augie@google.com>
parents:
diff changeset
346 break
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
347 if missingid.startswith("_hits_"):
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Augie Fackler <augie@google.com>
parents:
diff changeset
348 # receive progress reports
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Augie Fackler <augie@google.com>
parents:
diff changeset
349 parts = missingid.split("_")
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Augie Fackler <augie@google.com>
parents:
diff changeset
350 count += int(parts[2])
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Augie Fackler <augie@google.com>
parents:
diff changeset
351 self.ui.progress(_downloading, count, total=total)
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Augie Fackler <augie@google.com>
parents:
diff changeset
352 continue
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
353
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
354 missed.append(missingid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
355
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
356 global fetchmisses
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Augie Fackler <augie@google.com>
parents:
diff changeset
357 fetchmisses += len(missed)
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Augie Fackler <augie@google.com>
parents:
diff changeset
358
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
359 count = [total - len(missed)]
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Augie Fackler <augie@google.com>
parents:
diff changeset
360 fromcache = count[0]
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Augie Fackler <augie@google.com>
parents:
diff changeset
361 self.ui.progress(_downloading, count[0], total=total)
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Augie Fackler <augie@google.com>
parents:
diff changeset
362 self.ui.log("remotefilelog", "remote cache hit rate is %r of %r\n",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
363 count[0], total, hit=count[0], total=total)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
364
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
365 oldumask = os.umask(0o002)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
366 try:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
367 # receive cache misses from master
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
368 if missed:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
369 def progresstick():
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
370 count[0] += 1
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Augie Fackler <augie@google.com>
parents:
diff changeset
371 self.ui.progress(_downloading, count[0], total=total)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
372 # When verbose is true, sshpeer prints 'running ssh...'
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
373 # to stdout, which can interfere with some command
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
374 # outputs
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
375 verbose = self.ui.verbose
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
376 self.ui.verbose = False
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
377 try:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
378 with self._connect() as conn:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
379 remote = conn.peer
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
380 # TODO: deduplicate this with the constant in
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
381 # shallowrepo
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
382 if remote.capable("remotefilelog"):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
383 if not isinstance(remote, _sshv1peer):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
384 raise error.Abort('remotefilelog requires ssh '
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
385 'servers')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
386 step = self.ui.configint('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
387 'getfilesstep')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
388 getfilestype = self.ui.config('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
389 'getfilestype')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
390 if getfilestype == 'threaded':
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
391 _getfiles = _getfiles_threaded
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
392 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
393 _getfiles = _getfiles_optimistic
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
394 _getfiles(remote, self.receivemissing, progresstick,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
395 missed, idmap, step)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
396 elif remote.capable("getfile"):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
397 if remote.capable('batch'):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
398 batchdefault = 100
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
399 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
400 batchdefault = 10
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
401 batchsize = self.ui.configint(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
402 'remotefilelog', 'batchsize', batchdefault)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
403 _getfilesbatch(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
404 remote, self.receivemissing, progresstick,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
405 missed, idmap, batchsize)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
406 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
407 raise error.Abort("configured remotefilelog server"
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
408 " does not support remotefilelog")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
409
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
410 self.ui.log("remotefilefetchlog",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
411 "Success\n",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
412 fetched_files = count[0] - fromcache,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
413 total_to_fetch = total - fromcache)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
414 except Exception:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
415 self.ui.log("remotefilefetchlog",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
416 "Fail\n",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
417 fetched_files = count[0] - fromcache,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
418 total_to_fetch = total - fromcache)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
419 raise
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
420 finally:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
421 self.ui.verbose = verbose
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
422 # send to memcache
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
423 count[0] = len(missed)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
424 request = "set\n%d\n%s\n" % (count[0], "\n".join(missed))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
425 cache.request(request)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
426
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
427 self.ui.progress(_downloading, None)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
428
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
429 # mark ourselves as a user of this cache
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
430 writedata.markrepo(self.repo.path)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
431 finally:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
432 os.umask(oldumask)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
433
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
434 def receivemissing(self, pipe, filename, node):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
435 line = pipe.readline()[:-1]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
436 if not line:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
437 raise error.ResponseError(_("error downloading file contents:"),
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
438 _("connection closed early"))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
439 size = int(line)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
440 data = pipe.read(size)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
441 if len(data) != size:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
442 raise error.ResponseError(_("error downloading file contents:"),
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
443 _("only received %s of %s bytes")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
444 % (len(data), size))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
445
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
446 self.writedata.addremotefilelognode(filename, bin(node),
40507
e2a1584e9e3f remotefilelog: rip out lz4 support
Augie Fackler <augie@google.com>
parents: 40502
diff changeset
447 zlib.decompress(data))
40495
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
448
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
449 def connect(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
450 if self.cacheprocess:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
451 cmd = "%s %s" % (self.cacheprocess, self.writedata._path)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
452 self.remotecache.connect(cmd)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
453 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
454 # If no cache process is specified, we fake one that always
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
455 # returns cache misses. This enables tests to run easily
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
456 # and may eventually allow us to be a drop in replacement
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
457 # for the largefiles extension.
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
458 class simplecache(object):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
459 def __init__(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
460 self.missingids = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
461 self.connected = True
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
462
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
463 def close(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
464 pass
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
465
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
466 def request(self, value, flush=True):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
467 lines = value.split("\n")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
468 if lines[0] != "get":
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
469 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
470 self.missingids = lines[2:-1]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
471 self.missingids.append('0')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
472
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
473 def receiveline(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
474 if len(self.missingids) > 0:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
475 return self.missingids.pop(0)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
476 return None
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
477
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
478 self.remotecache = simplecache()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
479
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
480 def close(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
481 if fetches:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
482 msg = ("%s files fetched over %d fetches - " +
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
483 "(%d misses, %0.2f%% hit ratio) over %0.2fs\n") % (
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
484 fetched,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
485 fetches,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
486 fetchmisses,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
487 float(fetched - fetchmisses) / float(fetched) * 100.0,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
488 fetchcost)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
489 if self.debugoutput:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
490 self.ui.warn(msg)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
491 self.ui.log("remotefilelog.prefetch", msg.replace("%", "%%"),
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
492 remotefilelogfetched=fetched,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
493 remotefilelogfetches=fetches,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
494 remotefilelogfetchmisses=fetchmisses,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
495 remotefilelogfetchtime=fetchcost * 1000)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
496
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
497 if self.remotecache.connected:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
498 self.remotecache.close()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
499
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
500 def prefetch(self, fileids, force=False, fetchdata=True,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
501 fetchhistory=False):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
502 """downloads the given file versions to the cache
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
503 """
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
504 repo = self.repo
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
505 idstocheck = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
506 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
507 # hack
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
508 # - we don't use .hgtags
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
509 # - workingctx produces ids with length 42,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
510 # which we skip since they aren't in any cache
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
511 if (file == '.hgtags' or len(id) == 42
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
512 or not repo.shallowmatch(file)):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
513 continue
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
514
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
515 idstocheck.append((file, bin(id)))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
516
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
517 datastore = self.datastore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
518 historystore = self.historystore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
519 if force:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
520 datastore = contentstore.unioncontentstore(*repo.shareddatastores)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
521 historystore = metadatastore.unionmetadatastore(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
522 *repo.sharedhistorystores)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
523
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
524 missingids = set()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
525 if fetchdata:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
526 missingids.update(datastore.getmissing(idstocheck))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
527 if fetchhistory:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
528 missingids.update(historystore.getmissing(idstocheck))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
529
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
530 # partition missing nodes into nullid and not-nullid so we can
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
531 # warn about this filtering potentially shadowing bugs.
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
532 nullids = len([None for unused, id in missingids if id == nullid])
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
533 if nullids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
534 missingids = [(f, id) for f, id in missingids if id != nullid]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
535 repo.ui.develwarn(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
536 ('remotefilelog not fetching %d null revs'
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
537 ' - this is likely hiding bugs' % nullids),
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
538 config='remotefilelog-ext')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
539 if missingids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
540 global fetches, fetched, fetchcost
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
541 fetches += 1
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
542
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
543 # We want to be able to detect excess individual file downloads, so
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
544 # let's log that information for debugging.
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
545 if fetches >= 15 and fetches < 18:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
546 if fetches == 15:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
547 fetchwarning = self.ui.config('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
548 'fetchwarning')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
549 if fetchwarning:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
550 self.ui.warn(fetchwarning + '\n')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
551 self.logstacktrace()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
552 missingids = [(file, hex(id)) for file, id in missingids]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
553 fetched += len(missingids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
554 start = time.time()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
555 missingids = self.request(missingids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
556 if missingids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
557 raise error.Abort(_("unable to download %d files") %
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
558 len(missingids))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
559 fetchcost += time.time() - start
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
560 self._lfsprefetch(fileids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
561
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
562 def _lfsprefetch(self, fileids):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
563 if not _lfsmod or not util.safehasattr(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
564 self.repo.svfs, 'lfslocalblobstore'):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
565 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
566 if not _lfsmod.wrapper.candownload(self.repo):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
567 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
568 pointers = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
569 store = self.repo.svfs.lfslocalblobstore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
570 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
571 node = bin(id)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
572 rlog = self.repo.file(file)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
573 if rlog.flags(node) & revlog.REVIDX_EXTSTORED:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
574 text = rlog.revision(node, raw=True)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
575 p = _lfsmod.pointer.deserialize(text)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
576 oid = p.oid()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
577 if not store.has(oid):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
578 pointers.append(p)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
579 if len(pointers) > 0:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
580 self.repo.svfs.lfsremoteblobstore.readbatch(pointers, store)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
581 assert all(store.has(p.oid()) for p in pointers)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
582
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
583 def logstacktrace(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
584 import traceback
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
585 self.ui.log('remotefilelog', 'excess remotefilelog fetching:\n%s\n',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
586 ''.join(traceback.format_stack()))