Mercurial > hg
annotate mercurial/wireproto.py @ 37728:564a3eec6e63
wireprotov2: add support for more response types
This adds types to represent error and generator responses from
server commands.
Differential Revision: https://phab.mercurial-scm.org/D3388
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 15 Apr 2018 10:37:29 -0700 |
parents | a81d02ea65db |
children | 379d54eae6eb |
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1 # wireproto.py - generic wire protocol support functions |
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2 # |
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3 # Copyright 2005-2010 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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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 os |
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11 import tempfile |
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12 |
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13 from .i18n import _ |
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14 from .node import ( |
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15 hex, |
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16 nullid, |
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17 ) |
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18 |
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19 from . import ( |
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20 bundle2, |
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21 changegroup as changegroupmod, |
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22 discovery, |
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23 encoding, |
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24 error, |
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25 exchange, |
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26 pushkey as pushkeymod, |
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27 pycompat, |
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28 streamclone, |
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29 util, |
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30 wireprototypes, |
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31 ) |
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32 |
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33 from .utils import ( |
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34 procutil, |
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35 stringutil, |
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36 ) |
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37 |
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38 urlerr = util.urlerr |
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39 urlreq = util.urlreq |
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40 |
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41 bundle2requiredmain = _('incompatible Mercurial client; bundle2 required') |
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42 bundle2requiredhint = _('see https://www.mercurial-scm.org/wiki/' |
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43 'IncompatibleClient') |
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44 bundle2required = '%s\n(%s)\n' % (bundle2requiredmain, bundle2requiredhint) |
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45 |
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46 def clientcompressionsupport(proto): |
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47 """Returns a list of compression methods supported by the client. |
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48 |
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49 Returns a list of the compression methods supported by the client |
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50 according to the protocol capabilities. If no such capability has |
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51 been announced, fallback to the default of zlib and uncompressed. |
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52 """ |
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53 for cap in proto.getprotocaps(): |
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54 if cap.startswith('comp='): |
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55 return cap[5:].split(',') |
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56 return ['zlib', 'none'] |
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57 |
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58 # wire protocol command can either return a string or one of these classes. |
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59 |
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60 def getdispatchrepo(repo, proto, command): |
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61 """Obtain the repo used for processing wire protocol commands. |
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62 |
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63 The intent of this function is to serve as a monkeypatch point for |
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64 extensions that need commands to operate on different repo views under |
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65 specialized circumstances. |
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66 """ |
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67 return repo.filtered('served') |
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68 |
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69 def dispatch(repo, proto, command): |
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70 repo = getdispatchrepo(repo, proto, command) |
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71 |
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72 transportversion = wireprototypes.TRANSPORTS[proto.name]['version'] |
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73 commandtable = commandsv2 if transportversion == 2 else commands |
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74 func, spec = commandtable[command] |
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75 |
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76 args = proto.getargs(spec) |
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77 |
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78 # Version 1 protocols define arguments as a list. Version 2 uses a dict. |
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79 if isinstance(args, list): |
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80 return func(repo, proto, *args) |
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81 elif isinstance(args, dict): |
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82 return func(repo, proto, **args) |
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83 else: |
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84 raise error.ProgrammingError('unexpected type returned from ' |
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85 'proto.getargs(): %s' % type(args)) |
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86 |
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87 def options(cmd, keys, others): |
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88 opts = {} |
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89 for k in keys: |
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90 if k in others: |
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91 opts[k] = others[k] |
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92 del others[k] |
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93 if others: |
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94 procutil.stderr.write("warning: %s ignored unexpected arguments %s\n" |
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95 % (cmd, ",".join(others))) |
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96 return opts |
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97 |
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98 def bundle1allowed(repo, action): |
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99 """Whether a bundle1 operation is allowed from the server. |
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100 |
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101 Priority is: |
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102 |
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103 1. server.bundle1gd.<action> (if generaldelta active) |
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104 2. server.bundle1.<action> |
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105 3. server.bundle1gd (if generaldelta active) |
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106 4. server.bundle1 |
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107 """ |
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108 ui = repo.ui |
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109 gd = 'generaldelta' in repo.requirements |
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110 |
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111 if gd: |
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112 v = ui.configbool('server', 'bundle1gd.%s' % action) |
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113 if v is not None: |
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114 return v |
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115 |
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116 v = ui.configbool('server', 'bundle1.%s' % action) |
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117 if v is not None: |
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118 return v |
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119 |
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120 if gd: |
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121 v = ui.configbool('server', 'bundle1gd') |
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122 if v is not None: |
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123 return v |
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124 |
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125 return ui.configbool('server', 'bundle1') |
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126 |
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127 def supportedcompengines(ui, role): |
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128 """Obtain the list of supported compression engines for a request.""" |
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129 assert role in (util.CLIENTROLE, util.SERVERROLE) |
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130 |
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131 compengines = util.compengines.supportedwireengines(role) |
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132 |
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133 # Allow config to override default list and ordering. |
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134 if role == util.SERVERROLE: |
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135 configengines = ui.configlist('server', 'compressionengines') |
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136 config = 'server.compressionengines' |
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137 else: |
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138 # This is currently implemented mainly to facilitate testing. In most |
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139 # cases, the server should be in charge of choosing a compression engine |
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140 # because a server has the most to lose from a sub-optimal choice. (e.g. |
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141 # CPU DoS due to an expensive engine or a network DoS due to poor |
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142 # compression ratio). |
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143 configengines = ui.configlist('experimental', |
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144 'clientcompressionengines') |
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145 config = 'experimental.clientcompressionengines' |
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146 |
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147 # No explicit config. Filter out the ones that aren't supposed to be |
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148 # advertised and return default ordering. |
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149 if not configengines: |
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150 attr = 'serverpriority' if role == util.SERVERROLE else 'clientpriority' |
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151 return [e for e in compengines |
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152 if getattr(e.wireprotosupport(), attr) > 0] |
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153 |
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154 # If compression engines are listed in the config, assume there is a good |
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155 # reason for it (like server operators wanting to achieve specific |
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156 # performance characteristics). So fail fast if the config references |
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157 # unusable compression engines. |
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158 validnames = set(e.name() for e in compengines) |
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159 invalidnames = set(e for e in configengines if e not in validnames) |
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160 if invalidnames: |
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161 raise error.Abort(_('invalid compression engine defined in %s: %s') % |
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162 (config, ', '.join(sorted(invalidnames)))) |
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163 |
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164 compengines = [e for e in compengines if e.name() in configengines] |
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165 compengines = sorted(compengines, |
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166 key=lambda e: configengines.index(e.name())) |
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167 |
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168 if not compengines: |
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169 raise error.Abort(_('%s config option does not specify any known ' |
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170 'compression engines') % config, |
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171 hint=_('usable compression engines: %s') % |
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172 ', '.sorted(validnames)) |
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173 |
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174 return compengines |
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175 |
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176 class commandentry(object): |
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177 """Represents a declared wire protocol command.""" |
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178 def __init__(self, func, args='', transports=None, |
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179 permission='push'): |
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180 self.func = func |
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181 self.args = args |
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182 self.transports = transports or set() |
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183 self.permission = permission |
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184 |
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185 def _merge(self, func, args): |
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186 """Merge this instance with an incoming 2-tuple. |
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187 |
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188 This is called when a caller using the old 2-tuple API attempts |
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189 to replace an instance. The incoming values are merged with |
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190 data not captured by the 2-tuple and a new instance containing |
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191 the union of the two objects is returned. |
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192 """ |
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193 return commandentry(func, args=args, transports=set(self.transports), |
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194 permission=self.permission) |
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195 |
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196 # Old code treats instances as 2-tuples. So expose that interface. |
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197 def __iter__(self): |
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198 yield self.func |
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199 yield self.args |
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200 |
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201 def __getitem__(self, i): |
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202 if i == 0: |
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203 return self.func |
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204 elif i == 1: |
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205 return self.args |
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206 else: |
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207 raise IndexError('can only access elements 0 and 1') |
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208 |
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209 class commanddict(dict): |
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210 """Container for registered wire protocol commands. |
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211 |
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212 It behaves like a dict. But __setitem__ is overwritten to allow silent |
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213 coercion of values from 2-tuples for API compatibility. |
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214 """ |
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215 def __setitem__(self, k, v): |
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216 if isinstance(v, commandentry): |
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217 pass |
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218 # Cast 2-tuples to commandentry instances. |
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219 elif isinstance(v, tuple): |
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220 if len(v) != 2: |
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221 raise ValueError('command tuples must have exactly 2 elements') |
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222 |
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223 # It is common for extensions to wrap wire protocol commands via |
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224 # e.g. ``wireproto.commands[x] = (newfn, args)``. Because callers |
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225 # doing this aren't aware of the new API that uses objects to store |
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226 # command entries, we automatically merge old state with new. |
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227 if k in self: |
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228 v = self[k]._merge(v[0], v[1]) |
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229 else: |
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230 # Use default values from @wireprotocommand. |
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231 v = commandentry(v[0], args=v[1], |
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232 transports=set(wireprototypes.TRANSPORTS), |
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233 permission='push') |
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234 else: |
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235 raise ValueError('command entries must be commandentry instances ' |
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236 'or 2-tuples') |
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237 |
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238 return super(commanddict, self).__setitem__(k, v) |
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239 |
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240 def commandavailable(self, command, proto): |
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241 """Determine if a command is available for the requested protocol.""" |
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242 assert proto.name in wireprototypes.TRANSPORTS |
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243 |
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244 entry = self.get(command) |
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245 |
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246 if not entry: |
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247 return False |
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248 |
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249 if proto.name not in entry.transports: |
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250 return False |
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251 |
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252 return True |
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253 |
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254 # Constants specifying which transports a wire protocol command should be |
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255 # available on. For use with @wireprotocommand. |
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256 POLICY_V1_ONLY = 'v1-only' |
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257 POLICY_V2_ONLY = 'v2-only' |
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258 |
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259 # For version 1 transports. |
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260 commands = commanddict() |
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261 |
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262 # For version 2 transports. |
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263 commandsv2 = commanddict() |
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264 |
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265 def wireprotocommand(name, args=None, transportpolicy=POLICY_V1_ONLY, |
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266 permission='push'): |
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267 """Decorator to declare a wire protocol command. |
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268 |
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269 ``name`` is the name of the wire protocol command being provided. |
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270 |
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271 ``args`` defines the named arguments accepted by the command. It is |
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272 ideally a dict mapping argument names to their types. For backwards |
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273 compatibility, it can be a space-delimited list of argument names. For |
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274 version 1 transports, ``*`` denotes a special value that says to accept |
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275 all named arguments. |
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276 |
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277 ``transportpolicy`` is a POLICY_* constant denoting which transports |
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278 this wire protocol command should be exposed to. By default, commands |
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279 are exposed to all wire protocol transports. |
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280 |
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281 ``permission`` defines the permission type needed to run this command. |
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282 Can be ``push`` or ``pull``. These roughly map to read-write and read-only, |
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283 respectively. Default is to assume command requires ``push`` permissions |
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284 because otherwise commands not declaring their permissions could modify |
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285 a repository that is supposed to be read-only. |
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286 """ |
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287 if transportpolicy == POLICY_V1_ONLY: |
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288 transports = {k for k, v in wireprototypes.TRANSPORTS.items() |
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289 if v['version'] == 1} |
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290 transportversion = 1 |
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291 elif transportpolicy == POLICY_V2_ONLY: |
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292 transports = {k for k, v in wireprototypes.TRANSPORTS.items() |
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293 if v['version'] == 2} |
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294 transportversion = 2 |
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295 else: |
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296 raise error.ProgrammingError('invalid transport policy value: %s' % |
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297 transportpolicy) |
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298 |
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299 # Because SSHv2 is a mirror of SSHv1, we allow "batch" commands through to |
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300 # SSHv2. |
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301 # TODO undo this hack when SSH is using the unified frame protocol. |
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302 if name == b'batch': |
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303 transports.add(wireprototypes.SSHV2) |
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304 |
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305 if permission not in ('push', 'pull'): |
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306 raise error.ProgrammingError('invalid wire protocol permission; ' |
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307 'got %s; expected "push" or "pull"' % |
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308 permission) |
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309 |
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310 if transportversion == 1: |
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311 if args is None: |
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312 args = '' |
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313 |
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314 if not isinstance(args, bytes): |
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315 raise error.ProgrammingError('arguments for version 1 commands ' |
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316 'must be declared as bytes') |
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317 elif transportversion == 2: |
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318 if args is None: |
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319 args = {} |
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320 |
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321 if not isinstance(args, dict): |
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322 raise error.ProgrammingError('arguments for version 2 commands ' |
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323 'must be declared as dicts') |
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324 |
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325 def register(func): |
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326 if transportversion == 1: |
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327 if name in commands: |
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328 raise error.ProgrammingError('%s command already registered ' |
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329 'for version 1' % name) |
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330 commands[name] = commandentry(func, args=args, |
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331 transports=transports, |
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332 permission=permission) |
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333 elif transportversion == 2: |
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334 if name in commandsv2: |
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335 raise error.ProgrammingError('%s command already registered ' |
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336 'for version 2' % name) |
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337 |
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338 commandsv2[name] = commandentry(func, args=args, |
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339 transports=transports, |
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340 permission=permission) |
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341 else: |
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342 raise error.ProgrammingError('unhandled transport version: %d' % |
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343 transportversion) |
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344 |
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345 return func |
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346 return register |
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347 |
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348 # TODO define a more appropriate permissions type to use for this. |
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349 @wireprotocommand('batch', 'cmds *', permission='pull', |
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350 transportpolicy=POLICY_V1_ONLY) |
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351 def batch(repo, proto, cmds, others): |
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352 unescapearg = wireprototypes.unescapebatcharg |
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353 repo = repo.filtered("served") |
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354 res = [] |
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355 for pair in cmds.split(';'): |
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356 op, args = pair.split(' ', 1) |
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357 vals = {} |
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358 for a in args.split(','): |
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359 if a: |
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360 n, v = a.split('=') |
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361 vals[unescapearg(n)] = unescapearg(v) |
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362 func, spec = commands[op] |
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363 |
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364 # Validate that client has permissions to perform this command. |
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365 perm = commands[op].permission |
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366 assert perm in ('push', 'pull') |
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367 proto.checkperm(perm) |
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368 |
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369 if spec: |
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370 keys = spec.split() |
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371 data = {} |
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372 for k in keys: |
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373 if k == '*': |
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374 star = {} |
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375 for key in vals.keys(): |
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376 if key not in keys: |
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377 star[key] = vals[key] |
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378 data['*'] = star |
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379 else: |
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380 data[k] = vals[k] |
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381 result = func(repo, proto, *[data[k] for k in keys]) |
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382 else: |
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383 result = func(repo, proto) |
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384 if isinstance(result, wireprototypes.ooberror): |
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385 return result |
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386 |
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387 # For now, all batchable commands must return bytesresponse or |
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388 # raw bytes (for backwards compatibility). |
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389 assert isinstance(result, (wireprototypes.bytesresponse, bytes)) |
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390 if isinstance(result, wireprototypes.bytesresponse): |
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391 result = result.data |
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392 res.append(wireprototypes.escapebatcharg(result)) |
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393 |
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394 return wireprototypes.bytesresponse(';'.join(res)) |
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395 |
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396 @wireprotocommand('between', 'pairs', transportpolicy=POLICY_V1_ONLY, |
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397 permission='pull') |
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398 def between(repo, proto, pairs): |
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399 pairs = [wireprototypes.decodelist(p, '-') for p in pairs.split(" ")] |
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400 r = [] |
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401 for b in repo.between(pairs): |
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402 r.append(wireprototypes.encodelist(b) + "\n") |
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403 |
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404 return wireprototypes.bytesresponse(''.join(r)) |
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405 |
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406 @wireprotocommand('branchmap', permission='pull', |
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407 transportpolicy=POLICY_V1_ONLY) |
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408 def branchmap(repo, proto): |
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409 branchmap = repo.branchmap() |
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410 heads = [] |
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411 for branch, nodes in branchmap.iteritems(): |
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412 branchname = urlreq.quote(encoding.fromlocal(branch)) |
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413 branchnodes = wireprototypes.encodelist(nodes) |
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414 heads.append('%s %s' % (branchname, branchnodes)) |
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415 |
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416 return wireprototypes.bytesresponse('\n'.join(heads)) |
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417 |
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418 @wireprotocommand('branches', 'nodes', transportpolicy=POLICY_V1_ONLY, |
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419 permission='pull') |
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420 def branches(repo, proto, nodes): |
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421 nodes = wireprototypes.decodelist(nodes) |
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422 r = [] |
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423 for b in repo.branches(nodes): |
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424 r.append(wireprototypes.encodelist(b) + "\n") |
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425 |
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426 return wireprototypes.bytesresponse(''.join(r)) |
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427 |
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428 @wireprotocommand('clonebundles', '', permission='pull', |
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429 transportpolicy=POLICY_V1_ONLY) |
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430 def clonebundles(repo, proto): |
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431 """Server command for returning info for available bundles to seed clones. |
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432 |
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433 Clients will parse this response and determine what bundle to fetch. |
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434 |
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435 Extensions may wrap this command to filter or dynamically emit data |
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436 depending on the request. e.g. you could advertise URLs for the closest |
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437 data center given the client's IP address. |
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438 """ |
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439 return wireprototypes.bytesresponse( |
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440 repo.vfs.tryread('clonebundles.manifest')) |
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441 |
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442 wireprotocaps = ['lookup', 'branchmap', 'pushkey', |
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443 'known', 'getbundle', 'unbundlehash'] |
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444 |
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445 def _capabilities(repo, proto): |
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446 """return a list of capabilities for a repo |
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447 |
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448 This function exists to allow extensions to easily wrap capabilities |
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449 computation |
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450 |
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451 - returns a lists: easy to alter |
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452 - change done here will be propagated to both `capabilities` and `hello` |
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453 command without any other action needed. |
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454 """ |
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455 # copy to prevent modification of the global list |
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456 caps = list(wireprotocaps) |
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457 |
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458 # Command of same name as capability isn't exposed to version 1 of |
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459 # transports. So conditionally add it. |
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460 if commands.commandavailable('changegroupsubset', proto): |
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|
461 caps.append('changegroupsubset') |
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parents:
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diff
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|
462 |
32744
33b7283a3828
streamclone: consider secret changesets (BC) (issue5589)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32291
diff
changeset
|
463 if streamclone.allowservergeneration(repo): |
33225
90a1b62bdc91
configitems: register the 'server.preferuncompressed' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33224
diff
changeset
|
464 if repo.ui.configbool('server', 'preferuncompressed'): |
16361
6097ede2be4d
protocol: Add the stream-preferred capability
Benoit Allard <benoit@aeteurope.nl>
parents:
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diff
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|
465 caps.append('stream-preferred') |
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parents:
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|
466 requiredformats = repo.requirements & repo.supportedformats |
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467 # if our local revlogs are just revlogv1, add 'stream' cap |
32291
bd872f64a8ba
cleanup: use set literals
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parents:
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|
468 if not requiredformats - {'revlogv1'}: |
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469 caps.append('stream') |
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470 # otherwise, add 'streamreqs' detailing our local revlog format |
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471 else: |
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472 caps.append('streamreqs=%s' % ','.join(sorted(requiredformats))) |
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0407a51b9d8c
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Jun Wu <quark@fb.com>
parents:
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|
473 if repo.ui.configbool('experimental', 'bundle2-advertise'): |
35783
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bundle2: specify what capabilities will be used for
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parents:
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|
474 capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo, role='server')) |
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032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
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475 caps.append('bundle2=' + urlreq.quote(capsblob)) |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
Martin von Zweigbergk <martinvonz@google.com>
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|
476 caps.append('unbundle=%s' % ','.join(bundle2.bundlepriority)) |
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parents:
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diff
changeset
|
477 |
36613
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478 return proto.addcapabilities(repo, caps) |
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479 |
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spelling: fixes from spell checker
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parents:
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changeset
|
480 # If you are writing an extension and consider wrapping this function. Wrap |
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481 # `_capabilities` instead. |
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482 @wireprotocommand('capabilities', permission='pull', |
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483 transportpolicy=POLICY_V1_ONLY) |
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484 def capabilities(repo, proto): |
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485 caps = _capabilities(repo, proto) |
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486 return wireprototypes.bytesresponse(' '.join(sorted(caps))) |
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|
487 |
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488 @wireprotocommand('changegroup', 'roots', transportpolicy=POLICY_V1_ONLY, |
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489 permission='pull') |
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490 def changegroup(repo, proto, roots): |
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491 nodes = wireprototypes.decodelist(roots) |
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changegroup: replace changegroup with makechangegroup
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492 outgoing = discovery.outgoing(repo, missingroots=nodes, |
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493 missingheads=repo.heads()) |
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494 cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve') |
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495 gen = iter(lambda: cg.read(32768), '') |
37293
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496 return wireprototypes.streamres(gen=gen) |
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|
497 |
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|
498 @wireprotocommand('changegroupsubset', 'bases heads', |
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|
499 transportpolicy=POLICY_V1_ONLY, |
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|
500 permission='pull') |
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501 def changegroupsubset(repo, proto, bases, heads): |
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502 bases = wireprototypes.decodelist(bases) |
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|
503 heads = wireprototypes.decodelist(heads) |
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f7d41b85bbf6
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parents:
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|
504 outgoing = discovery.outgoing(repo, missingroots=bases, |
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|
505 missingheads=heads) |
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506 cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve') |
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507 gen = iter(lambda: cg.read(32768), '') |
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|
508 return wireprototypes.streamres(gen=gen) |
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|
509 |
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|
510 @wireprotocommand('debugwireargs', 'one two *', |
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3a91911c4343
wireproto: only expose "debugwireargs" to version 1 transports
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parents:
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|
511 permission='pull', transportpolicy=POLICY_V1_ONLY) |
13721
3458c15ab2f0
wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
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|
512 def debugwireargs(repo, proto, one, two, others): |
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|
513 # only accept optional args from the known set |
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514 opts = options('debugwireargs', ['three', 'four'], others) |
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515 return wireprototypes.bytesresponse(repo.debugwireargs( |
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516 one, two, **pycompat.strkwargs(opts))) |
13720
9c4e04fe267e
debug: add debugwireargs to test argument passing over the wire
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
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diff
changeset
|
517 |
37498
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518 def find_pullbundle(repo, proto, opts, clheads, heads, common): |
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519 """Return a file object for the first matching pullbundle. |
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520 |
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521 Pullbundles are specified in .hg/pullbundles.manifest similar to |
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|
522 clonebundles. |
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523 For each entry, the bundle specification is checked for compatibility: |
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524 - Client features vs the BUNDLESPEC. |
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525 - Revisions shared with the clients vs base revisions of the bundle. |
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|
526 A bundle can be applied only if all its base revisions are known by |
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changeset
|
527 the client. |
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|
528 - At least one leaf of the bundle's DAG is missing on the client. |
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wireproto: support for pullbundles
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529 - Every leaf of the bundle's DAG is part of node set the client wants. |
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|
530 E.g. do not send a bundle of all changes if the client wants only |
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parents:
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changeset
|
531 one specific branch of many. |
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|
532 """ |
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|
533 def decodehexstring(s): |
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changeset
|
534 return set([h.decode('hex') for h in s.split(';')]) |
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|
535 |
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|
536 manifest = repo.vfs.tryread('pullbundles.manifest') |
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537 if not manifest: |
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|
538 return None |
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|
539 res = exchange.parseclonebundlesmanifest(repo, manifest) |
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|
540 res = exchange.filterclonebundleentries(repo, res) |
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|
541 if not res: |
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diff
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|
542 return None |
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diff
changeset
|
543 cl = repo.changelog |
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diff
changeset
|
544 heads_anc = cl.ancestors([cl.rev(rev) for rev in heads], inclusive=True) |
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|
545 common_anc = cl.ancestors([cl.rev(rev) for rev in common], inclusive=True) |
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|
546 compformats = clientcompressionsupport(proto) |
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|
547 for entry in res: |
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|
548 if 'COMPRESSION' in entry and entry['COMPRESSION'] not in compformats: |
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|
549 continue |
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550 # No test yet for VERSION, since V2 is supported by any client |
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551 # that advertises partial pulls |
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|
552 if 'heads' in entry: |
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|
553 try: |
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|
554 bundle_heads = decodehexstring(entry['heads']) |
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|
555 except TypeError: |
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|
556 # Bad heads entry |
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|
557 continue |
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558 if bundle_heads.issubset(common): |
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559 continue # Nothing new |
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560 if all(cl.rev(rev) in common_anc for rev in bundle_heads): |
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561 continue # Still nothing new |
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562 if any(cl.rev(rev) not in heads_anc and |
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563 cl.rev(rev) not in common_anc for rev in bundle_heads): |
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|
564 continue |
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|
565 if 'bases' in entry: |
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|
566 try: |
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|
567 bundle_bases = decodehexstring(entry['bases']) |
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568 except TypeError: |
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569 # Bad bases entry |
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570 continue |
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571 if not all(cl.rev(rev) in common_anc for rev in bundle_bases): |
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572 continue |
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|
573 path = entry['URL'] |
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574 repo.ui.debug('sending pullbundle "%s"\n' % path) |
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575 try: |
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|
576 return repo.vfs.open(path) |
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|
577 except IOError: |
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|
578 repo.ui.debug('pullbundle "%s" not accessible\n' % path) |
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|
579 continue |
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|
580 return None |
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diff
changeset
|
581 |
37539
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wireproto: only expose "getbundle" and "unbundle" to v1 transports
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diff
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|
582 @wireprotocommand('getbundle', '*', permission='pull', |
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wireproto: only expose "getbundle" and "unbundle" to v1 transports
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diff
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|
583 transportpolicy=POLICY_V1_ONLY) |
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diff
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|
584 def getbundle(repo, proto, others): |
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wireproto: move gboptsmap to wireprototypes and rename (API)
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585 opts = options('getbundle', wireprototypes.GETBUNDLE_ARGUMENTS.keys(), |
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|
586 others) |
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|
587 for k, v in opts.iteritems(): |
37613
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|
588 keytype = wireprototypes.GETBUNDLE_ARGUMENTS[k] |
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|
589 if keytype == 'nodes': |
37612
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590 opts[k] = wireprototypes.decodelist(v) |
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|
591 elif keytype == 'csv': |
25403
30ab130af221
wireprotocol: distinguish list and set in getbundle argument
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25339
diff
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|
592 opts[k] = list(v.split(',')) |
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wireprotocol: distinguish list and set in getbundle argument
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parents:
25339
diff
changeset
|
593 elif keytype == 'scsv': |
19201
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bundle-ng: add bundlecaps argument to getbundle() command
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parents:
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diff
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|
594 opts[k] = set(v.split(',')) |
21988
12cd3827b860
wireproto: add a ``boolean`` type for getbundle parameters
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parents:
21728
diff
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|
595 elif keytype == 'boolean': |
26686
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diff
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|
596 # Client should serialize False as '0', which is a non-empty string |
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597 # so it evaluates as a True bool. |
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598 if v == '0': |
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diff
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|
599 opts[k] = False |
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diff
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|
600 else: |
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parents:
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diff
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|
601 opts[k] = bool(v) |
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602 elif keytype != 'plain': |
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diff
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603 raise KeyError('unknown getbundle option type %s' |
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diff
changeset
|
604 % keytype) |
27246
b288fb2724bf
wireproto: config options to disable bundle1
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parents:
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diff
changeset
|
605 |
27633
37d7cf569cf3
wireproto: support disabling bundle1 only if repo is generaldelta
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
606 if not bundle1allowed(repo, 'pull'): |
27246
b288fb2724bf
wireproto: config options to disable bundle1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
607 if not exchange.bundle2requested(opts.get('bundlecaps')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
608 if proto.name == 'http-v1': |
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parents:
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diff
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|
609 return wireprototypes.ooberror(bundle2required) |
30912
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bundle1: fix bundle1-denied reporting for pull over ssh
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parents:
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diff
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|
610 raise error.Abort(bundle2requiredmain, |
3d4afc2fdcd7
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parents:
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diff
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|
611 hint=bundle2requiredhint) |
27246
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wireproto: config options to disable bundle1
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parents:
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diff
changeset
|
612 |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
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diff
changeset
|
613 prefercompressed = True |
35782
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wireproto: don't compress errors from getbundle()
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
614 |
30914
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wireproto: properly report server Abort during 'getbundle'
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parents:
30912
diff
changeset
|
615 try: |
37498
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parents:
37490
diff
changeset
|
616 clheads = set(repo.changelog.heads()) |
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diff
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|
617 heads = set(opts.get('heads', set())) |
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diff
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|
618 common = set(opts.get('common', set())) |
aacfca6f9767
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|
619 common.discard(nullid) |
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diff
changeset
|
620 if (repo.ui.configbool('server', 'pullbundle') and |
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diff
changeset
|
621 'partial-pull' in proto.getprotocaps()): |
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Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
622 # Check if a pre-built bundle covers this request. |
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parents:
37490
diff
changeset
|
623 bundle = find_pullbundle(repo, proto, opts, clheads, heads, common) |
aacfca6f9767
wireproto: support for pullbundles
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parents:
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diff
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|
624 if bundle: |
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parents:
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diff
changeset
|
625 return wireprototypes.streamres(gen=util.filechunkiter(bundle), |
aacfca6f9767
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parents:
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diff
changeset
|
626 prefer_uncompressed=True) |
aacfca6f9767
wireproto: support for pullbundles
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parents:
37490
diff
changeset
|
627 |
33223
d227451ee280
configitems: register the 'server.disablefullbundle' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33220
diff
changeset
|
628 if repo.ui.configbool('server', 'disablefullbundle'): |
32260
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
629 # Check to see if this is a full clone. |
35760
133a678673cb
clone: allow bundle2's stream clone with 'server.disablefullbundle'
Boris Feld <boris.feld@octobus.net>
parents:
35759
diff
changeset
|
630 changegroup = opts.get('cg', True) |
133a678673cb
clone: allow bundle2's stream clone with 'server.disablefullbundle'
Boris Feld <boris.feld@octobus.net>
parents:
35759
diff
changeset
|
631 if changegroup and not common and clheads == heads: |
32260
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
632 raise error.Abort( |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
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parents:
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diff
changeset
|
633 _('server has pull-based clones disabled'), |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
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parents:
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diff
changeset
|
634 hint=_('remove --pull if specified or upgrade Mercurial')) |
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clone: add a server-side option to disable full getbundles (pull-based clones)
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parents:
31451
diff
changeset
|
635 |
35785
ba15580e53d5
exchange: return bundle info from getbundlechunks() (API)
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parents:
35783
diff
changeset
|
636 info, chunks = exchange.getbundlechunks(repo, 'serve', |
ba15580e53d5
exchange: return bundle info from getbundlechunks() (API)
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parents:
35783
diff
changeset
|
637 **pycompat.strkwargs(opts)) |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
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parents:
35785
diff
changeset
|
638 prefercompressed = info.get('prefercompressed', True) |
30914
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parents:
30912
diff
changeset
|
639 except error.Abort as exc: |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
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parents:
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diff
changeset
|
640 # cleanly forward Abort error to the client |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
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parents:
30912
diff
changeset
|
641 if not exchange.bundle2requested(opts.get('bundlecaps')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
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parents:
36221
diff
changeset
|
642 if proto.name == 'http-v1': |
37293
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wireproto: stop aliasing wire protocol types (API)
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parents:
37119
diff
changeset
|
643 return wireprototypes.ooberror(pycompat.bytestr(exc) + '\n') |
30914
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
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parents:
30912
diff
changeset
|
644 raise # cannot do better for bundle1 + ssh |
f3807a135e43
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parents:
30912
diff
changeset
|
645 # bundle2 request expect a bundle2 reply |
f3807a135e43
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parents:
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diff
changeset
|
646 bundler = bundle2.bundle20(repo.ui) |
36258
af0a19d8812b
py3: get bytes-repr of network errors portably
Augie Fackler <augie@google.com>
parents:
36223
diff
changeset
|
647 manargs = [('message', pycompat.bytestr(exc))] |
30914
f3807a135e43
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parents:
30912
diff
changeset
|
648 advargs = [] |
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diff
changeset
|
649 if exc.hint is not None: |
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diff
changeset
|
650 advargs.append(('hint', exc.hint)) |
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diff
changeset
|
651 bundler.addpart(bundle2.bundlepart('error:abort', |
f3807a135e43
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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diff
changeset
|
652 manargs, advargs)) |
35782
9d249f3de730
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
653 chunks = bundler.getchunks() |
35787
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diff
changeset
|
654 prefercompressed = False |
35782
9d249f3de730
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diff
changeset
|
655 |
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diff
changeset
|
656 return wireprototypes.streamres( |
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diff
changeset
|
657 gen=chunks, prefer_uncompressed=not prefercompressed) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
658 |
37485
0b7475ea38cf
wireproto: port heads command to wire protocol v2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37414
diff
changeset
|
659 @wireprotocommand('heads', permission='pull', transportpolicy=POLICY_V1_ONLY) |
11583
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parents:
11581
diff
changeset
|
660 def heads(repo, proto): |
18281
898c575833c9
clfilter: drop extra filtering in wireprotocol
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18280
diff
changeset
|
661 h = repo.heads() |
37612
5e71dea79aae
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parents:
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diff
changeset
|
662 return wireprototypes.bytesresponse(wireprototypes.encodelist(h) + '\n') |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
663 |
37489
6e6d68c2d39c
wireproto: only expose "hello" command to version 1 transports
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37488
diff
changeset
|
664 @wireprotocommand('hello', permission='pull', transportpolicy=POLICY_V1_ONLY) |
11594
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diff
changeset
|
665 def hello(repo, proto): |
36221
62bca1c50e96
wireproto: improve docstring for "hello"
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parents:
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diff
changeset
|
666 """Called as part of SSH handshake to obtain server info. |
62bca1c50e96
wireproto: improve docstring for "hello"
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parents:
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diff
changeset
|
667 |
62bca1c50e96
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parents:
36074
diff
changeset
|
668 Returns a list of lines describing interesting things about the |
62bca1c50e96
wireproto: improve docstring for "hello"
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diff
changeset
|
669 server, in an RFC822-like format. |
11594
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protocol: unify server-side capabilities functions
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parents:
11593
diff
changeset
|
670 |
36221
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diff
changeset
|
671 Currently, the only one defined is ``capabilities``, which consists of a |
62bca1c50e96
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diff
changeset
|
672 line of space separated tokens describing server abilities: |
62bca1c50e96
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parents:
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diff
changeset
|
673 |
62bca1c50e96
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diff
changeset
|
674 capabilities: <token0> <token1> <token2> |
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diff
changeset
|
675 """ |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
676 caps = capabilities(repo, proto).data |
37293
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diff
changeset
|
677 return wireprototypes.bytesresponse('capabilities: %s\n' % caps) |
11594
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diff
changeset
|
678 |
37487
68915b9f8e96
wireproto: port listkeys commands to wire protocol v2
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parents:
37486
diff
changeset
|
679 @wireprotocommand('listkeys', 'namespace', permission='pull', |
68915b9f8e96
wireproto: port listkeys commands to wire protocol v2
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diff
changeset
|
680 transportpolicy=POLICY_V1_ONLY) |
11583
944c23762c3c
protocol: add proto to method prototypes
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parents:
11581
diff
changeset
|
681 def listkeys(repo, proto, namespace): |
36529
33c6f8f0388d
wireproto: sort response to listkeys
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36431
diff
changeset
|
682 d = sorted(repo.listkeys(encoding.tolocal(namespace)).items()) |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
683 return wireprototypes.bytesresponse(pushkeymod.encodekeys(d)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
684 |
37538
89fed81bbb6c
wireproto: port lookup to wire protocol v2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37537
diff
changeset
|
685 @wireprotocommand('lookup', 'key', permission='pull', |
89fed81bbb6c
wireproto: port lookup to wire protocol v2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37537
diff
changeset
|
686 transportpolicy=POLICY_V1_ONLY) |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
687 def lookup(repo, proto, key): |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
688 try: |
15925
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
689 k = encoding.tolocal(key) |
37353
ac666c5c2e0c
wireproto: use repo.lookup() for lookup command
Martin von Zweigbergk <martinvonz@google.com>
parents:
37320
diff
changeset
|
690 n = repo.lookup(k) |
ac666c5c2e0c
wireproto: use repo.lookup() for lookup command
Martin von Zweigbergk <martinvonz@google.com>
parents:
37320
diff
changeset
|
691 r = hex(n) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
692 success = 1 |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25493
diff
changeset
|
693 except Exception as inst: |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37053
diff
changeset
|
694 r = stringutil.forcebytestr(inst) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
695 success = 0 |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
696 return wireprototypes.bytesresponse('%d %s\n' % (success, r)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
697 |
37486
6847542bb8d7
wireproto: port keep command to wire protocol v2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37485
diff
changeset
|
698 @wireprotocommand('known', 'nodes *', permission='pull', |
6847542bb8d7
wireproto: port keep command to wire protocol v2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37485
diff
changeset
|
699 transportpolicy=POLICY_V1_ONLY) |
14436
5adb52524779
wireproto: enable optional args for known() for future extensibility
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14419
diff
changeset
|
700 def known(repo, proto, nodes, others): |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
701 v = ''.join(b and '1' or '0' |
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
702 for b in repo.known(wireprototypes.decodelist(nodes))) |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
703 return wireprototypes.bytesresponse(v) |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
704 |
37393
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
705 @wireprotocommand('protocaps', 'caps', permission='pull', |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
706 transportpolicy=POLICY_V1_ONLY) |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
707 def protocaps(repo, proto, caps): |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
708 if proto.name == wireprototypes.SSHV1: |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
709 proto._protocaps = set(caps.split(' ')) |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
710 return wireprototypes.bytesresponse('OK') |
afcfdf53e4b5
wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents:
37353
diff
changeset
|
711 |
37537
be5d4749edc0
wireproto: port pushkey command to wire protocol version 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37536
diff
changeset
|
712 @wireprotocommand('pushkey', 'namespace key old new', permission='push', |
be5d4749edc0
wireproto: port pushkey command to wire protocol version 2
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37536
diff
changeset
|
713 transportpolicy=POLICY_V1_ONLY) |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
714 def pushkey(repo, proto, namespace, key, old, new): |
13050 | 715 # compatibility with pre-1.8 clients which were accidentally |
716 # sending raw binary nodes rather than utf-8-encoded hex | |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
37053
diff
changeset
|
717 if len(new) == 20 and stringutil.escapestr(new) != new: |
13050 | 718 # looks like it could be a binary node |
719 try: | |
14064
e4bfb9c337f3
remove unused imports and variables
Alexander Solovyov <alexander@solovyov.net>
parents:
14048
diff
changeset
|
720 new.decode('utf-8') |
13050 | 721 new = encoding.tolocal(new) # but cleanly decodes as UTF-8 |
722 except UnicodeDecodeError: | |
723 pass # binary, leave unmodified | |
724 else: | |
725 new = encoding.tolocal(new) # normal path | |
726 | |
36066
2ad145fbde54
wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35982
diff
changeset
|
727 with proto.mayberedirectstdio() as output: |
35979
ae79cf6f9c82
wireproto: remove unnecessary exception trapping
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35860
diff
changeset
|
728 r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key), |
ae79cf6f9c82
wireproto: remove unnecessary exception trapping
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35860
diff
changeset
|
729 encoding.tolocal(old), new) or False |
17793
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
730 |
36066
2ad145fbde54
wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35982
diff
changeset
|
731 output = output.getvalue() if output else '' |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
732 return wireprototypes.bytesresponse('%d\n%s' % (int(r), output)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
733 |
37534
465187fec06f
wireproto: only expose "stream_out" to version 1 transports
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37533
diff
changeset
|
734 @wireprotocommand('stream_out', permission='pull', |
465187fec06f
wireproto: only expose "stream_out" to version 1 transports
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37533
diff
changeset
|
735 transportpolicy=POLICY_V1_ONLY) |
11585
5d907fbb9703
protocol: unify stream_out command
Matt Mackall <mpm@selenic.com>
parents:
11584
diff
changeset
|
736 def stream(repo, proto): |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
737 '''If the server supports streaming clone, it advertises the "stream" |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
738 capability with a value representing the version and flags of the repo |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
739 it is serving. Client checks to see if it understands the format. |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
740 ''' |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
741 return wireprototypes.streamreslegacy( |
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
742 streamclone.generatev1wireproto(repo)) |
11585
5d907fbb9703
protocol: unify stream_out command
Matt Mackall <mpm@selenic.com>
parents:
11584
diff
changeset
|
743 |
37539
4a0d58d6faba
wireproto: only expose "getbundle" and "unbundle" to v1 transports
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37538
diff
changeset
|
744 @wireprotocommand('unbundle', 'heads', permission='push', |
4a0d58d6faba
wireproto: only expose "getbundle" and "unbundle" to v1 transports
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37538
diff
changeset
|
745 transportpolicy=POLICY_V1_ONLY) |
11593
d054cc5c7737
protocol: unify unbundle on the server side
Matt Mackall <mpm@selenic.com>
parents:
11592
diff
changeset
|
746 def unbundle(repo, proto, heads): |
37612
5e71dea79aae
wireproto: move value encoding functions to wireprototypes (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37546
diff
changeset
|
747 their_heads = wireprototypes.decodelist(heads) |
11593
d054cc5c7737
protocol: unify unbundle on the server side
Matt Mackall <mpm@selenic.com>
parents:
11592
diff
changeset
|
748 |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
749 with proto.mayberedirectstdio() as output: |
11593
d054cc5c7737
protocol: unify unbundle on the server side
Matt Mackall <mpm@selenic.com>
parents:
11592
diff
changeset
|
750 try: |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
751 exchange.check_heads(repo, their_heads, 'preparing changes') |
37414
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
752 cleanup = lambda: None |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
753 try: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
754 payload = proto.getpayload() |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
755 if repo.ui.configbool('server', 'streamunbundle'): |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
756 def cleanup(): |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
757 # Ensure that the full payload is consumed, so |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
758 # that the connection doesn't contain trailing garbage. |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
759 for p in payload: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
760 pass |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
761 fp = util.chunkbuffer(payload) |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
762 else: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
763 # write bundle data to temporary file as it can be big |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
764 fp, tempname = None, None |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
765 def cleanup(): |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
766 if fp: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
767 fp.close() |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
768 if tempname: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
769 os.unlink(tempname) |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
770 fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
771 repo.ui.debug('redirecting incoming bundle to %s\n' % |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
772 tempname) |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
773 fp = os.fdopen(fd, pycompat.sysstr('wb+')) |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
774 r = 0 |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
775 for p in payload: |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
776 fp.write(p) |
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
777 fp.seek(0) |
27246
b288fb2724bf
wireproto: config options to disable bundle1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27243
diff
changeset
|
778 |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
779 gen = exchange.readbundle(repo.ui, fp, None) |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
780 if (isinstance(gen, changegroupmod.cg1unpacker) |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
781 and not bundle1allowed(repo, 'push')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36221
diff
changeset
|
782 if proto.name == 'http-v1': |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
783 # need to special case http because stderr do not get to |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
784 # the http client on failed push so we need to abuse |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
785 # some other error type to make sure the message get to |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
786 # the user. |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
787 return wireprototypes.ooberror(bundle2required) |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
788 raise error.Abort(bundle2requiredmain, |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
789 hint=bundle2requiredhint) |
24796
61ff209fc01d
bundle2: refactor error bundle creation for the wireprotocol
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24696
diff
changeset
|
790 |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
791 r = exchange.unbundle(repo, gen, their_heads, 'serve', |
36069
957e773614d0
wireprotoserver: rename _client to client (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36067
diff
changeset
|
792 proto.client()) |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
793 if util.safehasattr(r, 'addpart'): |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
794 # The return looks streamable, we are in the bundle2 case |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
795 # and should return a stream. |
37293
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
796 return wireprototypes.streamreslegacy(gen=r.getchunks()) |
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
797 return wireprototypes.pushres( |
d5d665f6615a
wireproto: stop aliasing wire protocol types (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
37119
diff
changeset
|
798 r, output.getvalue() if output else '') |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
799 |
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
800 finally: |
37414
2d965bfeb8f6
wireproto: allow direct stream processing for unbundle
Joerg Sonnenberger <joerg@bec.de>
parents:
37413
diff
changeset
|
801 cleanup() |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36066
diff
changeset
|
802 |
caca3ac2ac04
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803 except (error.BundleValueError, error.Abort, error.PushRaced) as exc: |
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804 # handle non-bundle2 case first |
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805 if not getattr(exc, 'duringunbundle2', False): |
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806 try: |
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807 raise |
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808 except error.Abort: |
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809 # The old code we moved used procutil.stderr directly. |
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810 # We did not change it to minimise code change. |
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811 # This need to be moved to something proper. |
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812 # Feel free to do it. |
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813 procutil.stderr.write("abort: %s\n" % exc) |
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814 if exc.hint is not None: |
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815 procutil.stderr.write("(%s)\n" % exc.hint) |
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816 procutil.stderr.flush() |
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817 return wireprototypes.pushres( |
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818 0, output.getvalue() if output else '') |
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819 except error.PushRaced: |
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820 return wireprototypes.pusherr( |
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821 pycompat.bytestr(exc), |
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822 output.getvalue() if output else '') |
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823 |
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824 bundler = bundle2.bundle20(repo.ui) |
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825 for out in getattr(exc, '_bundle2salvagedoutput', ()): |
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826 bundler.addpart(out) |
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827 try: |
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828 try: |
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829 raise |
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830 except error.PushkeyFailed as exc: |
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831 # check client caps |
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832 remotecaps = getattr(exc, '_replycaps', None) |
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833 if (remotecaps is not None |
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834 and 'pushkey' not in remotecaps.get('error', ())): |
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835 # no support remote side, fallback to Abort handler. |
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836 raise |
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837 part = bundler.newpart('error:pushkey') |
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838 part.addparam('in-reply-to', exc.partid) |
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839 if exc.namespace is not None: |
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840 part.addparam('namespace', exc.namespace, |
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841 mandatory=False) |
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842 if exc.key is not None: |
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843 part.addparam('key', exc.key, mandatory=False) |
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844 if exc.new is not None: |
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845 part.addparam('new', exc.new, mandatory=False) |
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846 if exc.old is not None: |
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847 part.addparam('old', exc.old, mandatory=False) |
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848 if exc.ret is not None: |
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849 part.addparam('ret', exc.ret, mandatory=False) |
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850 except error.BundleValueError as exc: |
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851 errpart = bundler.newpart('error:unsupportedcontent') |
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852 if exc.parttype is not None: |
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853 errpart.addparam('parttype', exc.parttype) |
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854 if exc.params: |
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855 errpart.addparam('params', '\0'.join(exc.params)) |
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856 except error.Abort as exc: |
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857 manargs = [('message', stringutil.forcebytestr(exc))] |
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858 advargs = [] |
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859 if exc.hint is not None: |
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860 advargs.append(('hint', exc.hint)) |
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861 bundler.addpart(bundle2.bundlepart('error:abort', |
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862 manargs, advargs)) |
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863 except error.PushRaced as exc: |
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864 bundler.newpart('error:pushraced', |
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865 [('message', stringutil.forcebytestr(exc))]) |
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866 return wireprototypes.streamreslegacy(gen=bundler.getchunks()) |