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annotate hgext/remotefilelog/fileserverclient.py @ 40510:fc2766860796

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remotefilelog: consolidate and rename on-disk store requirement The value of this constant appeared in too many places. While we're here, rename it to be more consistent with our naming conventions for experimental functionality. Differential Revision: https://phab.mercurial-scm.org/D5128
author Augie Fackler <augie@google.com>
date Tue, 16 Oct 2018 17:02:48 -0400
parents ed19958dbf5d
children 466dd4d70bff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 (constants.NETWORK_CAP_LEGACY_SSH_GETFILES
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82 not in self.capabilities()):
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83 return
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84 if not util.safehasattr(self, '_localrepo'):
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85 return
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86 if (constants.SHALLOWREPO_REQUIREMENT
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87 not in self._localrepo.requirements):
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88 return
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89
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90 bundlecaps = opts.get('bundlecaps')
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91 if bundlecaps:
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92 bundlecaps = [bundlecaps]
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93 else:
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94 bundlecaps = []
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95
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96 # shallow, includepattern, and excludepattern are a hacky way of
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97 # carrying over data from the local repo to this getbundle
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98 # command. We need to do it this way because bundle1 getbundle
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99 # doesn't provide any other place we can hook in to manipulate
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100 # getbundle args before it goes across the wire. Once we get rid
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101 # of bundle1, we can use bundle2's _pullbundle2extraprepare to
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102 # do this more cleanly.
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103 bundlecaps.append(constants.BUNDLE2_CAPABLITY)
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104 if self._localrepo.includepattern:
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105 patterns = '\0'.join(self._localrepo.includepattern)
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106 includecap = "includepattern=" + patterns
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107 bundlecaps.append(includecap)
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108 if self._localrepo.excludepattern:
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109 patterns = '\0'.join(self._localrepo.excludepattern)
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110 excludecap = "excludepattern=" + patterns
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111 bundlecaps.append(excludecap)
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112 opts['bundlecaps'] = ','.join(bundlecaps)
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113
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114 def _sendrequest(self, command, args, **opts):
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115 self._updatecallstreamopts(command, args)
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116 return super(remotefilepeer, self)._sendrequest(command, args,
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117 **opts)
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118
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119 def _callstream(self, command, **opts):
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120 supertype = super(remotefilepeer, self)
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121 if not util.safehasattr(supertype, '_sendrequest'):
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parents:
diff changeset
122 self._updatecallstreamopts(command, opts)
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parents:
diff changeset
123 return super(remotefilepeer, self)._callstream(command, **opts)
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parents:
diff changeset
124
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diff changeset
125 peer.__class__ = remotefilepeer
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parents:
diff changeset
126
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parents:
diff changeset
127 class cacheconnection(object):
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parents:
diff changeset
128 """The connection for communicating with the remote cache. Performs
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diff changeset
129 gets and sets by communicating with an external process that has the
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parents:
diff changeset
130 cache-specific implementation.
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Augie Fackler <augie@google.com>
parents:
diff changeset
131 """
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diff changeset
132 def __init__(self):
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diff changeset
133 self.pipeo = self.pipei = self.pipee = None
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diff changeset
134 self.subprocess = None
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diff changeset
135 self.connected = False
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parents:
diff changeset
136
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diff changeset
137 def connect(self, cachecommand):
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diff changeset
138 if self.pipeo:
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parents:
diff changeset
139 raise error.Abort(_("cache connection already open"))
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diff changeset
140 self.pipei, self.pipeo, self.pipee, self.subprocess = \
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parents:
diff changeset
141 procutil.popen4(cachecommand)
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diff changeset
142 self.connected = True
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diff changeset
143
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diff changeset
144 def close(self):
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diff changeset
145 def tryclose(pipe):
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diff changeset
146 try:
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diff changeset
147 pipe.close()
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diff changeset
148 except Exception:
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149 pass
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diff changeset
150 if self.connected:
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diff changeset
151 try:
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diff changeset
152 self.pipei.write("exit\n")
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153 except Exception:
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154 pass
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Augie Fackler <augie@google.com>
parents:
diff changeset
155 tryclose(self.pipei)
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diff changeset
156 self.pipei = None
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parents:
diff changeset
157 tryclose(self.pipeo)
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diff changeset
158 self.pipeo = None
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parents:
diff changeset
159 tryclose(self.pipee)
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diff changeset
160 self.pipee = None
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parents:
diff changeset
161 try:
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parents:
diff changeset
162 # Wait for process to terminate, making sure to avoid deadlock.
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Augie Fackler <augie@google.com>
parents:
diff changeset
163 # See https://docs.python.org/2/library/subprocess.html for
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parents:
diff changeset
164 # warnings about wait() and deadlocking.
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diff changeset
165 self.subprocess.communicate()
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diff changeset
166 except Exception:
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diff changeset
167 pass
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diff changeset
168 self.subprocess = None
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diff changeset
169 self.connected = False
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parents:
diff changeset
170
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diff changeset
171 def request(self, request, flush=True):
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diff changeset
172 if self.connected:
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Augie Fackler <augie@google.com>
parents:
diff changeset
173 try:
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Augie Fackler <augie@google.com>
parents:
diff changeset
174 self.pipei.write(request)
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parents:
diff changeset
175 if flush:
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Augie Fackler <augie@google.com>
parents:
diff changeset
176 self.pipei.flush()
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diff changeset
177 except IOError:
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diff changeset
178 self.close()
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diff changeset
179
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diff changeset
180 def receiveline(self):
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parents:
diff changeset
181 if not self.connected:
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parents:
diff changeset
182 return None
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parents:
diff changeset
183 try:
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parents:
diff changeset
184 result = self.pipeo.readline()[:-1]
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Augie Fackler <augie@google.com>
parents:
diff changeset
185 if not result:
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diff changeset
186 self.close()
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Augie Fackler <augie@google.com>
parents:
diff changeset
187 except IOError:
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Augie Fackler <augie@google.com>
parents:
diff changeset
188 self.close()
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parents:
diff changeset
189
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diff changeset
190 return result
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parents:
diff changeset
191
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Augie Fackler <augie@google.com>
parents:
diff changeset
192 def _getfilesbatch(
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Augie Fackler <augie@google.com>
parents:
diff changeset
193 remote, receivemissing, progresstick, missed, idmap, batchsize):
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Augie Fackler <augie@google.com>
parents:
diff changeset
194 # Over http(s), iterbatch is a streamy method and we can start
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Augie Fackler <augie@google.com>
parents:
diff changeset
195 # looking at results early. This means we send one (potentially
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Augie Fackler <augie@google.com>
parents:
diff changeset
196 # large) request, but then we show nice progress as we process
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Augie Fackler <augie@google.com>
parents:
diff changeset
197 # file results, rather than showing chunks of $batchsize in
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Augie Fackler <augie@google.com>
parents:
diff changeset
198 # progress.
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Augie Fackler <augie@google.com>
parents:
diff changeset
199 #
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Augie Fackler <augie@google.com>
parents:
diff changeset
200 # Over ssh, iterbatch isn't streamy because batch() wasn't
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Augie Fackler <augie@google.com>
parents:
diff changeset
201 # explicitly designed as a streaming method. In the future we
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Augie Fackler <augie@google.com>
parents:
diff changeset
202 # should probably introduce a streambatch() method upstream and
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Augie Fackler <augie@google.com>
parents:
diff changeset
203 # use that for this.
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Augie Fackler <augie@google.com>
parents:
diff changeset
204 with remote.commandexecutor() as e:
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Augie Fackler <augie@google.com>
parents:
diff changeset
205 futures = []
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Augie Fackler <augie@google.com>
parents:
diff changeset
206 for m in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
207 futures.append(e.callcommand('getfile', {
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parents:
diff changeset
208 'file': idmap[m],
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Augie Fackler <augie@google.com>
parents:
diff changeset
209 'node': m[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
210 }))
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Augie Fackler <augie@google.com>
parents:
diff changeset
211
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
212 for i, m in enumerate(missed):
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Augie Fackler <augie@google.com>
parents:
diff changeset
213 r = futures[i].result()
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Augie Fackler <augie@google.com>
parents:
diff changeset
214 futures[i] = None # release memory
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Augie Fackler <augie@google.com>
parents:
diff changeset
215 file_ = idmap[m]
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Augie Fackler <augie@google.com>
parents:
diff changeset
216 node = m[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
217 receivemissing(io.BytesIO('%d\n%s' % (len(r), r)), file_, node)
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Augie Fackler <augie@google.com>
parents:
diff changeset
218 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
219
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Augie Fackler <augie@google.com>
parents:
diff changeset
220 def _getfiles_optimistic(
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Augie Fackler <augie@google.com>
parents:
diff changeset
221 remote, receivemissing, progresstick, missed, idmap, step):
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Augie Fackler <augie@google.com>
parents:
diff changeset
222 remote._callstream("getfiles")
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Augie Fackler <augie@google.com>
parents:
diff changeset
223 i = 0
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Augie Fackler <augie@google.com>
parents:
diff changeset
224 pipeo = remote._pipeo
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Augie Fackler <augie@google.com>
parents:
diff changeset
225 pipei = remote._pipei
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Augie Fackler <augie@google.com>
parents:
diff changeset
226 while i < len(missed):
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Augie Fackler <augie@google.com>
parents:
diff changeset
227 # issue a batch of requests
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Augie Fackler <augie@google.com>
parents:
diff changeset
228 start = i
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Augie Fackler <augie@google.com>
parents:
diff changeset
229 end = min(len(missed), start + step)
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Augie Fackler <augie@google.com>
parents:
diff changeset
230 i = end
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Augie Fackler <augie@google.com>
parents:
diff changeset
231 for missingid in missed[start:end]:
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Augie Fackler <augie@google.com>
parents:
diff changeset
232 # issue new request
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Augie Fackler <augie@google.com>
parents:
diff changeset
233 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
234 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
235 sshrequest = "%s%s\n" % (versionid, file)
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Augie Fackler <augie@google.com>
parents:
diff changeset
236 pipeo.write(sshrequest)
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Augie Fackler <augie@google.com>
parents:
diff changeset
237 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
238
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Augie Fackler <augie@google.com>
parents:
diff changeset
239 # receive batch results
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Augie Fackler <augie@google.com>
parents:
diff changeset
240 for missingid in missed[start:end]:
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Augie Fackler <augie@google.com>
parents:
diff changeset
241 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
242 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
243 receivemissing(pipei, file, versionid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
244 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
245
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Augie Fackler <augie@google.com>
parents:
diff changeset
246 # End the command
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Augie Fackler <augie@google.com>
parents:
diff changeset
247 pipeo.write('\n')
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Augie Fackler <augie@google.com>
parents:
diff changeset
248 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
249
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Augie Fackler <augie@google.com>
parents:
diff changeset
250 def _getfiles_threaded(
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Augie Fackler <augie@google.com>
parents:
diff changeset
251 remote, receivemissing, progresstick, missed, idmap, step):
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Augie Fackler <augie@google.com>
parents:
diff changeset
252 remote._callstream("getfiles")
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Augie Fackler <augie@google.com>
parents:
diff changeset
253 pipeo = remote._pipeo
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Augie Fackler <augie@google.com>
parents:
diff changeset
254 pipei = remote._pipei
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Augie Fackler <augie@google.com>
parents:
diff changeset
255
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Augie Fackler <augie@google.com>
parents:
diff changeset
256 def writer():
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Augie Fackler <augie@google.com>
parents:
diff changeset
257 for missingid in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
258 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
259 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
260 sshrequest = "%s%s\n" % (versionid, file)
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Augie Fackler <augie@google.com>
parents:
diff changeset
261 pipeo.write(sshrequest)
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Augie Fackler <augie@google.com>
parents:
diff changeset
262 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
263 writerthread = threading.Thread(target=writer)
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Augie Fackler <augie@google.com>
parents:
diff changeset
264 writerthread.daemon = True
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Augie Fackler <augie@google.com>
parents:
diff changeset
265 writerthread.start()
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Augie Fackler <augie@google.com>
parents:
diff changeset
266
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
267 for missingid in missed:
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Augie Fackler <augie@google.com>
parents:
diff changeset
268 versionid = missingid[-40:]
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Augie Fackler <augie@google.com>
parents:
diff changeset
269 file = idmap[missingid]
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Augie Fackler <augie@google.com>
parents:
diff changeset
270 receivemissing(pipei, file, versionid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
271 progresstick()
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Augie Fackler <augie@google.com>
parents:
diff changeset
272
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Augie Fackler <augie@google.com>
parents:
diff changeset
273 writerthread.join()
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Augie Fackler <augie@google.com>
parents:
diff changeset
274 # End the command
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Augie Fackler <augie@google.com>
parents:
diff changeset
275 pipeo.write('\n')
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Augie Fackler <augie@google.com>
parents:
diff changeset
276 pipeo.flush()
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Augie Fackler <augie@google.com>
parents:
diff changeset
277
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Augie Fackler <augie@google.com>
parents:
diff changeset
278 class fileserverclient(object):
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Augie Fackler <augie@google.com>
parents:
diff changeset
279 """A client for requesting files from the remote file server.
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Augie Fackler <augie@google.com>
parents:
diff changeset
280 """
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Augie Fackler <augie@google.com>
parents:
diff changeset
281 def __init__(self, repo):
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Augie Fackler <augie@google.com>
parents:
diff changeset
282 ui = repo.ui
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Augie Fackler <augie@google.com>
parents:
diff changeset
283 self.repo = repo
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Augie Fackler <augie@google.com>
parents:
diff changeset
284 self.ui = ui
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Augie Fackler <augie@google.com>
parents:
diff changeset
285 self.cacheprocess = ui.config("remotefilelog", "cacheprocess")
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Augie Fackler <augie@google.com>
parents:
diff changeset
286 if self.cacheprocess:
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Augie Fackler <augie@google.com>
parents:
diff changeset
287 self.cacheprocess = util.expandpath(self.cacheprocess)
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Augie Fackler <augie@google.com>
parents:
diff changeset
288
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Augie Fackler <augie@google.com>
parents:
diff changeset
289 # This option causes remotefilelog to pass the full file path to the
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Augie Fackler <augie@google.com>
parents:
diff changeset
290 # cacheprocess instead of a hashed key.
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Augie Fackler <augie@google.com>
parents:
diff changeset
291 self.cacheprocesspasspath = ui.configbool(
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Augie Fackler <augie@google.com>
parents:
diff changeset
292 "remotefilelog", "cacheprocess.includepath")
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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.debugoutput = ui.configbool("remotefilelog", "debug")
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Augie Fackler <augie@google.com>
parents:
diff changeset
295
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Augie Fackler <augie@google.com>
parents:
diff changeset
296 self.remotecache = cacheconnection()
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Augie Fackler <augie@google.com>
parents:
diff changeset
297
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Augie Fackler <augie@google.com>
parents:
diff changeset
298 def setstore(self, datastore, historystore, writedata, writehistory):
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Augie Fackler <augie@google.com>
parents:
diff changeset
299 self.datastore = datastore
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Augie Fackler <augie@google.com>
parents:
diff changeset
300 self.historystore = historystore
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Augie Fackler <augie@google.com>
parents:
diff changeset
301 self.writedata = writedata
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Augie Fackler <augie@google.com>
parents:
diff changeset
302 self.writehistory = writehistory
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Augie Fackler <augie@google.com>
parents:
diff changeset
303
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
304 def _connect(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
305 return self.repo.connectionpool.get(self.repo.fallbackpath)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
306
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
307 def request(self, fileids):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
308 """Takes a list of filename/node pairs and fetches them from the
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
309 server. Files are stored in the local cache.
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Augie Fackler <augie@google.com>
parents:
diff changeset
310 A list of nodes that the server couldn't find is returned.
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
311 If the connection fails, an exception is raised.
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Augie Fackler <augie@google.com>
parents:
diff changeset
312 """
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Augie Fackler <augie@google.com>
parents:
diff changeset
313 if not self.remotecache.connected:
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Augie Fackler <augie@google.com>
parents:
diff changeset
314 self.connect()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
315 cache = self.remotecache
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Augie Fackler <augie@google.com>
parents:
diff changeset
316 writedata = self.writedata
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Augie Fackler <augie@google.com>
parents:
diff changeset
317
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
318 repo = self.repo
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Augie Fackler <augie@google.com>
parents:
diff changeset
319 count = len(fileids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
320 request = "get\n%d\n" % count
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
321 idmap = {}
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
322 reponame = repo.name
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
323 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
324 fullid = getcachekey(reponame, file, id)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
325 if self.cacheprocesspasspath:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
326 request += file + '\0'
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
327 request += fullid + "\n"
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
328 idmap[fullid] = file
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 cache.request(request)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
331
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
332 total = count
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
333 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
334
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
335 missed = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
336 count = 0
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
337 while True:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
338 missingid = cache.receiveline()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
339 if not missingid:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
340 missedset = set(missed)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
341 for missingid in idmap.iterkeys():
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
342 if not missingid in missedset:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
343 missed.append(missingid)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
344 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
345 "falling back to server\n"))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
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 == "0":
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
348 break
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
349 if missingid.startswith("_hits_"):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
350 # receive progress reports
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
351 parts = missingid.split("_")
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Augie Fackler <augie@google.com>
parents:
diff changeset
352 count += int(parts[2])
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
353 self.ui.progress(_downloading, count, total=total)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
354 continue
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
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 missed.append(missingid)
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Augie Fackler <augie@google.com>
parents:
diff changeset
357
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
358 global fetchmisses
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
359 fetchmisses += len(missed)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
360
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
361 count = [total - len(missed)]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
362 fromcache = count[0]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
363 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
364 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
365 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
366
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
367 oldumask = os.umask(0o002)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
368 try:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
369 # receive cache misses from master
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
370 if missed:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
371 def progresstick():
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
372 count[0] += 1
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
373 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
374 # 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
375 # 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
376 # outputs
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
377 verbose = self.ui.verbose
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
378 self.ui.verbose = False
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
379 try:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
380 with self._connect() as conn:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
381 remote = conn.peer
40508
354acd0dc637 remotefilelog: rename capability for legacy ssh file fetching method
Augie Fackler <augie@google.com>
parents: 40507
diff changeset
382 if remote.capable(
354acd0dc637 remotefilelog: rename capability for legacy ssh file fetching method
Augie Fackler <augie@google.com>
parents: 40507
diff changeset
383 constants.NETWORK_CAP_LEGACY_SSH_GETFILES):
40495
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
384 if not isinstance(remote, _sshv1peer):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
385 raise error.Abort('remotefilelog requires ssh '
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
386 'servers')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
387 step = self.ui.configint('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
388 'getfilesstep')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
389 getfilestype = self.ui.config('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
390 'getfilestype')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
391 if getfilestype == 'threaded':
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
392 _getfiles = _getfiles_threaded
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
393 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
394 _getfiles = _getfiles_optimistic
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
395 _getfiles(remote, self.receivemissing, progresstick,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
396 missed, idmap, step)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
397 elif remote.capable("getfile"):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
398 if remote.capable('batch'):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
399 batchdefault = 100
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
400 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
401 batchdefault = 10
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
402 batchsize = self.ui.configint(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
403 'remotefilelog', 'batchsize', batchdefault)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
404 _getfilesbatch(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
405 remote, self.receivemissing, progresstick,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
406 missed, idmap, batchsize)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
407 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
408 raise error.Abort("configured remotefilelog server"
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
409 " does not support remotefilelog")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
410
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
411 self.ui.log("remotefilefetchlog",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
412 "Success\n",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
413 fetched_files = count[0] - fromcache,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
414 total_to_fetch = total - fromcache)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
415 except Exception:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
416 self.ui.log("remotefilefetchlog",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
417 "Fail\n",
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
418 fetched_files = count[0] - fromcache,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
419 total_to_fetch = total - fromcache)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
420 raise
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
421 finally:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
422 self.ui.verbose = verbose
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
423 # send to memcache
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
424 count[0] = len(missed)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
425 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
426 cache.request(request)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
427
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
428 self.ui.progress(_downloading, None)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
429
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
430 # 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
431 writedata.markrepo(self.repo.path)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
432 finally:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
433 os.umask(oldumask)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
434
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
435 def receivemissing(self, pipe, filename, node):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
436 line = pipe.readline()[:-1]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
437 if not line:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
438 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
439 _("connection closed early"))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
440 size = int(line)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
441 data = pipe.read(size)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
442 if len(data) != size:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
443 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
444 _("only received %s of %s bytes")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
445 % (len(data), size))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
446
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
447 self.writedata.addremotefilelognode(filename, bin(node),
40507
e2a1584e9e3f remotefilelog: rip out lz4 support
Augie Fackler <augie@google.com>
parents: 40502
diff changeset
448 zlib.decompress(data))
40495
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
449
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
450 def connect(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
451 if self.cacheprocess:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
452 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
453 self.remotecache.connect(cmd)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
454 else:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
455 # 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
456 # 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
457 # 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
458 # for the largefiles extension.
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
459 class simplecache(object):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
460 def __init__(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
461 self.missingids = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
462 self.connected = True
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
463
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
464 def close(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
465 pass
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
466
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
467 def request(self, value, flush=True):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
468 lines = value.split("\n")
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
469 if lines[0] != "get":
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
470 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
471 self.missingids = lines[2:-1]
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
472 self.missingids.append('0')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
473
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
474 def receiveline(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
475 if len(self.missingids) > 0:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
476 return self.missingids.pop(0)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
477 return None
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
478
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
479 self.remotecache = simplecache()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
480
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
481 def close(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
482 if fetches:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
483 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
484 "(%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
485 fetched,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
486 fetches,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
487 fetchmisses,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
488 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
489 fetchcost)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
490 if self.debugoutput:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
491 self.ui.warn(msg)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
492 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
493 remotefilelogfetched=fetched,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
494 remotefilelogfetches=fetches,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
495 remotefilelogfetchmisses=fetchmisses,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
496 remotefilelogfetchtime=fetchcost * 1000)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
497
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
498 if self.remotecache.connected:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
499 self.remotecache.close()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
500
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
501 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
502 fetchhistory=False):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
503 """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
504 """
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
505 repo = self.repo
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
506 idstocheck = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
507 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
508 # hack
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
509 # - we don't use .hgtags
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
510 # - workingctx produces ids with length 42,
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
511 # 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
512 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
513 or not repo.shallowmatch(file)):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
514 continue
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
515
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
516 idstocheck.append((file, bin(id)))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
517
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
518 datastore = self.datastore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
519 historystore = self.historystore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
520 if force:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
521 datastore = contentstore.unioncontentstore(*repo.shareddatastores)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
522 historystore = metadatastore.unionmetadatastore(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
523 *repo.sharedhistorystores)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
524
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
525 missingids = set()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
526 if fetchdata:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
527 missingids.update(datastore.getmissing(idstocheck))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
528 if fetchhistory:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
529 missingids.update(historystore.getmissing(idstocheck))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
530
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
531 # 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
532 # 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
533 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
534 if nullids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
535 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
536 repo.ui.develwarn(
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
537 ('remotefilelog not fetching %d null revs'
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
538 ' - this is likely hiding bugs' % nullids),
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
539 config='remotefilelog-ext')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
540 if missingids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
541 global fetches, fetched, fetchcost
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
542 fetches += 1
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
543
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
544 # 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
545 # 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
546 if fetches >= 15 and fetches < 18:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
547 if fetches == 15:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
548 fetchwarning = self.ui.config('remotefilelog',
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
549 'fetchwarning')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
550 if fetchwarning:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
551 self.ui.warn(fetchwarning + '\n')
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
552 self.logstacktrace()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
553 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
554 fetched += len(missingids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
555 start = time.time()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
556 missingids = self.request(missingids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
557 if missingids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
558 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
559 len(missingids))
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
560 fetchcost += time.time() - start
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
561 self._lfsprefetch(fileids)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
562
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
563 def _lfsprefetch(self, fileids):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
564 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
565 self.repo.svfs, 'lfslocalblobstore'):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
566 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
567 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
568 return
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
569 pointers = []
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
570 store = self.repo.svfs.lfslocalblobstore
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
571 for file, id in fileids:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
572 node = bin(id)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
573 rlog = self.repo.file(file)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
574 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
575 text = rlog.revision(node, raw=True)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
576 p = _lfsmod.pointer.deserialize(text)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
577 oid = p.oid()
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
578 if not store.has(oid):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
579 pointers.append(p)
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
580 if len(pointers) > 0:
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
581 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
582 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
583
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
584 def logstacktrace(self):
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
585 import traceback
3a333a582d7b remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff changeset
586 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
587 ''.join(traceback.format_stack()))