Mercurial > hg
annotate mercurial/wireproto.py @ 37047:fddcb51b5084
wireproto: define permissions-based routing of HTTPv2 wire protocol
Now that we have a scaffolding for serving version 2 of the HTTP
protocol, let's start implementing it.
A good place to start is URL routing and basic request processing
semantics. We can focus on content types, capabilities detect, etc
later.
Version 2 of the HTTP wire protocol encodes the needed permissions
of the request in the URL path. The reasons for this are documented
in the added documentation. In short, a) it makes it really easy and
fail proof for server administrators to implement path-based
authentication and b) it will enable clients to realize very early in
a server exchange that authentication will be required to complete
the operation. This latter point avoids all kinds of complexity and
problems, like dealing with Expect: 100-continue and clients finding
out later during `hg push` that they need to provide authentication.
This will avoid the current badness where clients send a full bundle,
get an HTTP 403, provide authentication, then retransmit the bundle.
In order to implement command checking, we needed to implement a
protocol handler for the new wire protocol. Our handler is just
small enough to run the code we've implemented.
Tests for the defined functionality have been added.
I very much want to refactor the permissions checking code and define
a better response format. But this can be done later. Nothing is
covered by backwards compatibility at this point.
Differential Revision: https://phab.mercurial-scm.org/D2836
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 19 Mar 2018 16:43:47 -0700 |
parents | d683c7367989 |
children | cd0ca979a8b8 |
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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 hashlib |
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11 import os |
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12 import tempfile |
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13 |
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14 from .i18n import _ |
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15 from .node import ( |
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16 bin, |
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17 hex, |
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18 nullid, |
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19 ) |
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20 |
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21 from . import ( |
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22 bundle2, |
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23 changegroup as changegroupmod, |
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24 discovery, |
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25 encoding, |
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26 error, |
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27 exchange, |
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28 peer, |
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29 pushkey as pushkeymod, |
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30 pycompat, |
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31 repository, |
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32 streamclone, |
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33 util, |
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34 wireprototypes, |
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35 ) |
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36 |
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37 urlerr = util.urlerr |
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38 urlreq = util.urlreq |
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39 |
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40 bytesresponse = wireprototypes.bytesresponse |
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41 ooberror = wireprototypes.ooberror |
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42 pushres = wireprototypes.pushres |
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43 pusherr = wireprototypes.pusherr |
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44 streamres = wireprototypes.streamres |
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45 streamres_legacy = wireprototypes.streamreslegacy |
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46 |
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47 bundle2requiredmain = _('incompatible Mercurial client; bundle2 required') |
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48 bundle2requiredhint = _('see https://www.mercurial-scm.org/wiki/' |
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49 'IncompatibleClient') |
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50 bundle2required = '%s\n(%s)\n' % (bundle2requiredmain, bundle2requiredhint) |
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51 |
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52 class remoteiterbatcher(peer.iterbatcher): |
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53 def __init__(self, remote): |
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54 super(remoteiterbatcher, self).__init__() |
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55 self._remote = remote |
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56 |
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57 def __getattr__(self, name): |
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58 # Validate this method is batchable, since submit() only supports |
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59 # batchable methods. |
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60 fn = getattr(self._remote, name) |
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61 if not getattr(fn, 'batchable', None): |
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62 raise error.ProgrammingError('Attempted to batch a non-batchable ' |
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63 'call to %r' % name) |
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64 |
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65 return super(remoteiterbatcher, self).__getattr__(name) |
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66 |
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67 def submit(self): |
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68 """Break the batch request into many patch calls and pipeline them. |
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69 |
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70 This is mostly valuable over http where request sizes can be |
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71 limited, but can be used in other places as well. |
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72 """ |
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73 # 2-tuple of (command, arguments) that represents what will be |
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74 # sent over the wire. |
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75 requests = [] |
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76 |
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77 # 4-tuple of (command, final future, @batchable generator, remote |
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78 # future). |
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79 results = [] |
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80 |
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81 for command, args, opts, finalfuture in self.calls: |
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82 mtd = getattr(self._remote, command) |
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83 batchable = mtd.batchable(mtd.__self__, *args, **opts) |
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84 |
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85 commandargs, fremote = next(batchable) |
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86 assert fremote |
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87 requests.append((command, commandargs)) |
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88 results.append((command, finalfuture, batchable, fremote)) |
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89 |
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90 if requests: |
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91 self._resultiter = self._remote._submitbatch(requests) |
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92 |
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93 self._results = results |
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94 |
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95 def results(self): |
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96 for command, finalfuture, batchable, remotefuture in self._results: |
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97 # Get the raw result, set it in the remote future, feed it |
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98 # back into the @batchable generator so it can be decoded, and |
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99 # set the result on the final future to this value. |
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100 remoteresult = next(self._resultiter) |
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101 remotefuture.set(remoteresult) |
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102 finalfuture.set(next(batchable)) |
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103 |
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104 # Verify our @batchable generators only emit 2 values. |
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105 try: |
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106 next(batchable) |
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107 except StopIteration: |
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108 pass |
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109 else: |
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110 raise error.ProgrammingError('%s @batchable generator emitted ' |
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111 'unexpected value count' % command) |
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112 |
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113 yield finalfuture.value |
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114 |
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115 # Forward a couple of names from peer to make wireproto interactions |
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116 # slightly more sensible. |
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117 batchable = peer.batchable |
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118 future = peer.future |
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119 |
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120 # list of nodes encoding / decoding |
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121 |
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122 def decodelist(l, sep=' '): |
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123 if l: |
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124 return [bin(v) for v in l.split(sep)] |
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125 return [] |
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126 |
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127 def encodelist(l, sep=' '): |
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128 try: |
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129 return sep.join(map(hex, l)) |
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130 except TypeError: |
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131 raise |
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132 |
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133 # batched call argument encoding |
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134 |
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135 def escapearg(plain): |
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136 return (plain |
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137 .replace(':', ':c') |
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138 .replace(',', ':o') |
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139 .replace(';', ':s') |
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140 .replace('=', ':e')) |
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141 |
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142 def unescapearg(escaped): |
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143 return (escaped |
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144 .replace(':e', '=') |
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145 .replace(':s', ';') |
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146 .replace(':o', ',') |
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147 .replace(':c', ':')) |
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148 |
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149 def encodebatchcmds(req): |
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150 """Return a ``cmds`` argument value for the ``batch`` command.""" |
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151 cmds = [] |
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152 for op, argsdict in req: |
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153 # Old servers didn't properly unescape argument names. So prevent |
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154 # the sending of argument names that may not be decoded properly by |
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155 # servers. |
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156 assert all(escapearg(k) == k for k in argsdict) |
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157 |
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158 args = ','.join('%s=%s' % (escapearg(k), escapearg(v)) |
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159 for k, v in argsdict.iteritems()) |
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160 cmds.append('%s %s' % (op, args)) |
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161 |
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162 return ';'.join(cmds) |
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163 |
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164 # mapping of options accepted by getbundle and their types |
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165 # |
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166 # Meant to be extended by extensions. It is extensions responsibility to ensure |
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167 # such options are properly processed in exchange.getbundle. |
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168 # |
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169 # supported types are: |
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170 # |
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171 # :nodes: list of binary nodes |
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172 # :csv: list of comma-separated values |
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173 # :scsv: list of comma-separated values return as set |
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174 # :plain: string with no transformation needed. |
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175 gboptsmap = {'heads': 'nodes', |
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176 'bookmarks': 'boolean', |
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177 'common': 'nodes', |
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178 'obsmarkers': 'boolean', |
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179 'phases': 'boolean', |
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180 'bundlecaps': 'scsv', |
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181 'listkeys': 'csv', |
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182 'cg': 'boolean', |
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183 'cbattempted': 'boolean', |
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184 'stream': 'boolean', |
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185 } |
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186 |
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187 # client side |
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188 |
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189 class wirepeer(repository.legacypeer): |
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190 """Client-side interface for communicating with a peer repository. |
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191 |
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192 Methods commonly call wire protocol commands of the same name. |
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193 |
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194 See also httppeer.py and sshpeer.py for protocol-specific |
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195 implementations of this interface. |
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196 """ |
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197 # Begin of basewirepeer interface. |
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198 |
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199 def iterbatch(self): |
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200 return remoteiterbatcher(self) |
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201 |
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202 @batchable |
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203 def lookup(self, key): |
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204 self.requirecap('lookup', _('look up remote revision')) |
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205 f = future() |
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206 yield {'key': encoding.fromlocal(key)}, f |
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207 d = f.value |
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208 success, data = d[:-1].split(" ", 1) |
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209 if int(success): |
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210 yield bin(data) |
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211 else: |
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212 self._abort(error.RepoError(data)) |
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213 |
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214 @batchable |
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215 def heads(self): |
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216 f = future() |
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217 yield {}, f |
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218 d = f.value |
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219 try: |
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220 yield decodelist(d[:-1]) |
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221 except ValueError: |
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222 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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223 |
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224 @batchable |
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225 def known(self, nodes): |
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226 f = future() |
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227 yield {'nodes': encodelist(nodes)}, f |
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228 d = f.value |
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229 try: |
22201
269688a398c4
cleanup: fix some list comprehension redefinitions of existing vars
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
230 yield [bool(int(b)) for b in d] |
13726
378522bdc059
wireproto: avoid naked excepts
Matt Mackall <mpm@selenic.com>
parents:
13723
diff
changeset
|
231 except ValueError: |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
232 self._abort(error.ResponseError(_("unexpected response:"), d)) |
e615765fdcc7
wireproto: add known([id]) function
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parents:
13722
diff
changeset
|
233 |
14623
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diff
changeset
|
234 @batchable |
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parents:
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diff
changeset
|
235 def branchmap(self): |
14623
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wireproto: make a number of commands batchable
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parents:
14622
diff
changeset
|
236 f = future() |
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changeset
|
237 yield {}, f |
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changeset
|
238 d = f.value |
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parents:
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diff
changeset
|
239 try: |
ddaaaa23bb8f
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diff
changeset
|
240 branchmap = {} |
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parents:
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diff
changeset
|
241 for branchpart in d.splitlines(): |
11597
9141d2c9e5a5
wireproto: refactor list of nodeid encoding / decoding
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11594
diff
changeset
|
242 branchname, branchheads = branchpart.split(' ', 1) |
28883
032c4c2f802a
pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28666
diff
changeset
|
243 branchname = encoding.tolocal(urlreq.unquote(branchname)) |
11597
9141d2c9e5a5
wireproto: refactor list of nodeid encoding / decoding
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parents:
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diff
changeset
|
244 branchheads = decodelist(branchheads) |
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parents:
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diff
changeset
|
245 branchmap[branchname] = branchheads |
14623
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diff
changeset
|
246 yield branchmap |
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diff
changeset
|
247 except TypeError: |
ddaaaa23bb8f
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|
248 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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249 |
33806
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
33767
diff
changeset
|
250 @batchable |
dedab036215d
wireproto: use new peer interface
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diff
changeset
|
251 def listkeys(self, namespace): |
dedab036215d
wireproto: use new peer interface
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parents:
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diff
changeset
|
252 if not self.capable('pushkey'): |
dedab036215d
wireproto: use new peer interface
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parents:
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changeset
|
253 yield {}, None |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
254 f = future() |
dedab036215d
wireproto: use new peer interface
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parents:
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diff
changeset
|
255 self.ui.debug('preparing listkeys for "%s"\n' % namespace) |
dedab036215d
wireproto: use new peer interface
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parents:
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diff
changeset
|
256 yield {'namespace': encoding.fromlocal(namespace)}, f |
dedab036215d
wireproto: use new peer interface
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parents:
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diff
changeset
|
257 d = f.value |
dedab036215d
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diff
changeset
|
258 self.ui.debug('received listkey for "%s": %i bytes\n' |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
259 % (namespace, len(d))) |
dedab036215d
wireproto: use new peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
260 yield pushkeymod.decodekeys(d) |
11586
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parents:
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diff
changeset
|
261 |
14623
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Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
262 @batchable |
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parents:
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diff
changeset
|
263 def pushkey(self, namespace, key, old, new): |
ddaaaa23bb8f
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parents:
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diff
changeset
|
264 if not self.capable('pushkey'): |
14623
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wireproto: make a number of commands batchable
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parents:
14622
diff
changeset
|
265 yield False, None |
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parents:
14622
diff
changeset
|
266 f = future() |
17293
d3f84ccc5495
pushkey: add more verbose debug output regarding pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17205
diff
changeset
|
267 self.ui.debug('preparing pushkey for "%s:%s"\n' % (namespace, key)) |
20671
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
268 yield {'namespace': encoding.fromlocal(namespace), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
269 'key': encoding.fromlocal(key), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
270 'old': encoding.fromlocal(old), |
5442cab57b09
wireproto: remove todict() and use {} literals instead
Augie Fackler <raf@durin42.com>
parents:
19201
diff
changeset
|
271 'new': encoding.fromlocal(new)}, f |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14622
diff
changeset
|
272 d = f.value |
15652
ca6accdad79c
wireproto: handle other server output in pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15585
diff
changeset
|
273 d, output = d.split('\n', 1) |
13450
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
274 try: |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
275 d = bool(int(d)) |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
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diff
changeset
|
276 except ValueError: |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
277 raise error.ResponseError( |
b3f9af7c22c5
wireproto: catch possible cast error in pushkey
David Soria Parra <dsp@php.net>
parents:
13050
diff
changeset
|
278 _('push failed (unexpected response):'), d) |
15652
ca6accdad79c
wireproto: handle other server output in pushkey
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15585
diff
changeset
|
279 for l in output.splitlines(True): |
ca6accdad79c
wireproto: handle other server output in pushkey
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parents:
15585
diff
changeset
|
280 self.ui.status(_('remote: '), l) |
14623
e7c9fdbbb902
wireproto: make a number of commands batchable
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parents:
14622
diff
changeset
|
281 yield d |
11586
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parents:
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diff
changeset
|
282 |
11588
8a1f625e971d
protocol: unify stream_out client code
Matt Mackall <mpm@selenic.com>
parents:
11587
diff
changeset
|
283 def stream_out(self): |
8a1f625e971d
protocol: unify stream_out client code
Matt Mackall <mpm@selenic.com>
parents:
11587
diff
changeset
|
284 return self._callstream('stream_out') |
8a1f625e971d
protocol: unify stream_out client code
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parents:
11587
diff
changeset
|
285 |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
286 def getbundle(self, source, **kwargs): |
34739
b880cc11da5d
wireproto: bounce kwargs to/from bytes/str as needed
Augie Fackler <augie@google.com>
parents:
34731
diff
changeset
|
287 kwargs = pycompat.byteskwargs(kwargs) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
288 self.requirecap('getbundle', _('look up remote changes')) |
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
289 opts = {} |
25128
631766d1f57a
getbundle: sort bundlecaps before exchanging then over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24797
diff
changeset
|
290 bundlecaps = kwargs.get('bundlecaps') |
631766d1f57a
getbundle: sort bundlecaps before exchanging then over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24797
diff
changeset
|
291 if bundlecaps is not None: |
631766d1f57a
getbundle: sort bundlecaps before exchanging then over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24797
diff
changeset
|
292 kwargs['bundlecaps'] = sorted(bundlecaps) |
631766d1f57a
getbundle: sort bundlecaps before exchanging then over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
changeset
|
293 else: |
631766d1f57a
getbundle: sort bundlecaps before exchanging then over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24797
diff
changeset
|
294 bundlecaps = () # kwargs could have it to None |
21646
ce25f465e572
getbundle: declare type of parameters
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parents:
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diff
changeset
|
295 for key, value in kwargs.iteritems(): |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
296 if value is None: |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
297 continue |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
298 keytype = gboptsmap.get(key) |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
299 if keytype is None: |
34730
6be264009841
wireproto: use a proper exception instead of `assert False`
Augie Fackler <augie@google.com>
parents:
34729
diff
changeset
|
300 raise error.ProgrammingError( |
6be264009841
wireproto: use a proper exception instead of `assert False`
Augie Fackler <augie@google.com>
parents:
34729
diff
changeset
|
301 'Unexpectedly None keytype for key %s' % key) |
21646
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
302 elif keytype == 'nodes': |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
303 value = encodelist(value) |
25403
30ab130af221
wireprotocol: distinguish list and set in getbundle argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25339
diff
changeset
|
304 elif keytype in ('csv', 'scsv'): |
21646
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
305 value = ','.join(value) |
21988
12cd3827b860
wireproto: add a ``boolean`` type for getbundle parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21728
diff
changeset
|
306 elif keytype == 'boolean': |
22351
7e6dd496d327
wireprotocol: fix 'boolean' handling
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22342
diff
changeset
|
307 value = '%i' % bool(value) |
21646
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
308 elif keytype != 'plain': |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
309 raise KeyError('unknown getbundle option type %s' |
ce25f465e572
getbundle: declare type of parameters
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parents:
21631
diff
changeset
|
310 % keytype) |
ce25f465e572
getbundle: declare type of parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21631
diff
changeset
|
311 opts[key] = value |
34739
b880cc11da5d
wireproto: bounce kwargs to/from bytes/str as needed
Augie Fackler <augie@google.com>
parents:
34731
diff
changeset
|
312 f = self._callcompressable("getbundle", **pycompat.strkwargs(opts)) |
25149
3f0744eeaeaf
cleanup: use __builtins__.any instead of util.any
Augie Fackler <augie@google.com>
parents:
25128
diff
changeset
|
313 if any((cap.startswith('HG2') for cap in bundlecaps)): |
24641
60fecc5b14a4
unbundle20: retrieve unbundler instances through a factory function
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
23878
diff
changeset
|
314 return bundle2.getunbundler(self.ui, f) |
21069
0a9cae236738
bundle2: allow bundle2 for pulling over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21064
diff
changeset
|
315 else: |
22390
e2806b8613ca
changegroup: rename bundle-related functions and classes
Sune Foldager <cryo@cyanite.org>
parents:
22353
diff
changeset
|
316 return changegroupmod.cg1unpacker(f, 'UN') |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
317 |
29706
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
318 def unbundle(self, cg, heads, url): |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
319 '''Send cg (a readable file-like object representing the |
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
320 changegroup to push, typically a chunkbuffer object) to the |
21075
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
321 remote server as a bundle. |
438803e4bd97
bundle2: support for push over the wire
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parents:
21072
diff
changeset
|
322 |
438803e4bd97
bundle2: support for push over the wire
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parents:
21072
diff
changeset
|
323 When pushing a bundle10 stream, return an integer indicating the |
32880
4c2a46f89f08
wireproto: update reference to deleted addchangegroup()
Martin von Zweigbergk <martinvonz@google.com>
parents:
32744
diff
changeset
|
324 result of the push (see changegroup.apply()). |
21075
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
325 |
29706
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
326 When pushing a bundle20 stream, return a bundle20 stream. |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
327 |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
328 `url` is the url the client thinks it's pushing to, which is |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
329 visible to hooks. |
7f6130c7ffe1
wirepeer: rename confusing `source` parameter
Augie Fackler <augie@google.com>
parents:
29590
diff
changeset
|
330 ''' |
11592
26e0782b8380
protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents:
11591
diff
changeset
|
331 |
14419
ede7cea1550f
wireproto: do not hash when heads == ['force']
Martin Geisler <mg@aragost.com>
parents:
14093
diff
changeset
|
332 if heads != ['force'] and self.capable('unbundlehash'): |
13942
88f0e41d8802
wireproto: allow unbundle with hashed heads parameter (issue2126)
Shuhei Takahashi <takahashi.shuhei@gmail.com>
parents:
13741
diff
changeset
|
333 heads = encodelist(['hashed', |
29341
0d83ad967bf8
cleanup: replace uses of util.(md5|sha1|sha256|sha512) with hashlib.\1
Augie Fackler <raf@durin42.com>
parents:
29216
diff
changeset
|
334 hashlib.sha1(''.join(sorted(heads))).digest()]) |
13942
88f0e41d8802
wireproto: allow unbundle with hashed heads parameter (issue2126)
Shuhei Takahashi <takahashi.shuhei@gmail.com>
parents:
13741
diff
changeset
|
335 else: |
88f0e41d8802
wireproto: allow unbundle with hashed heads parameter (issue2126)
Shuhei Takahashi <takahashi.shuhei@gmail.com>
parents:
13741
diff
changeset
|
336 heads = encodelist(heads) |
88f0e41d8802
wireproto: allow unbundle with hashed heads parameter (issue2126)
Shuhei Takahashi <takahashi.shuhei@gmail.com>
parents:
13741
diff
changeset
|
337 |
21075
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
338 if util.safehasattr(cg, 'deltaheader'): |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
339 # this a bundle10, do the old style call sequence |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
340 ret, output = self._callpush("unbundle", cg, heads=heads) |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
341 if ret == "": |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21072
diff
changeset
|
342 raise error.ResponseError( |
438803e4bd97
bundle2: support for push over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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343 _('push failed:'), output) |
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344 try: |
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345 ret = int(ret) |
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346 except ValueError: |
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347 raise error.ResponseError( |
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348 _('push failed (unexpected response):'), ret) |
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349 |
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350 for l in output.splitlines(True): |
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351 self.ui.status(_('remote: '), l) |
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352 else: |
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353 # bundle2 push. Send a stream, fetch a stream. |
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354 stream = self._calltwowaystream('unbundle', cg, heads=heads) |
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355 ret = bundle2.getunbundler(self.ui, stream) |
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356 return ret |
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357 |
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358 # End of basewirepeer interface. |
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359 |
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360 # Begin of baselegacywirepeer interface. |
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361 |
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362 def branches(self, nodes): |
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363 n = encodelist(nodes) |
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364 d = self._call("branches", nodes=n) |
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365 try: |
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366 br = [tuple(decodelist(b)) for b in d.splitlines()] |
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367 return br |
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368 except ValueError: |
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369 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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370 |
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371 def between(self, pairs): |
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372 batch = 8 # avoid giant requests |
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373 r = [] |
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374 for i in xrange(0, len(pairs), batch): |
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375 n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]]) |
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376 d = self._call("between", pairs=n) |
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377 try: |
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378 r.extend(l and decodelist(l) or [] for l in d.splitlines()) |
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379 except ValueError: |
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380 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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381 return r |
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382 |
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383 def changegroup(self, nodes, kind): |
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384 n = encodelist(nodes) |
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385 f = self._callcompressable("changegroup", roots=n) |
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386 return changegroupmod.cg1unpacker(f, 'UN') |
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387 |
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388 def changegroupsubset(self, bases, heads, kind): |
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389 self.requirecap('changegroupsubset', _('look up remote changes')) |
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390 bases = encodelist(bases) |
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391 heads = encodelist(heads) |
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392 f = self._callcompressable("changegroupsubset", |
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393 bases=bases, heads=heads) |
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394 return changegroupmod.cg1unpacker(f, 'UN') |
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395 |
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396 # End of baselegacywirepeer interface. |
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397 |
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398 def _submitbatch(self, req): |
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399 """run batch request <req> on the server |
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400 |
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401 Returns an iterator of the raw responses from the server. |
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402 """ |
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403 ui = self.ui |
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404 if ui.debugflag and ui.configbool('devel', 'debug.peer-request'): |
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405 ui.debug('devel-peer-request: batched-content\n') |
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406 for op, args in req: |
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407 msg = 'devel-peer-request: - %s (%d arguments)\n' |
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408 ui.debug(msg % (op, len(args))) |
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409 |
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410 rsp = self._callstream("batch", cmds=encodebatchcmds(req)) |
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411 chunk = rsp.read(1024) |
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412 work = [chunk] |
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413 while chunk: |
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414 while ';' not in chunk and chunk: |
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415 chunk = rsp.read(1024) |
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416 work.append(chunk) |
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417 merged = ''.join(work) |
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418 while ';' in merged: |
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419 one, merged = merged.split(';', 1) |
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420 yield unescapearg(one) |
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421 chunk = rsp.read(1024) |
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422 work = [merged, chunk] |
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423 yield unescapearg(''.join(work)) |
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424 |
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425 def _submitone(self, op, args): |
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426 return self._call(op, **pycompat.strkwargs(args)) |
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427 |
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428 def debugwireargs(self, one, two, three=None, four=None, five=None): |
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429 # don't pass optional arguments left at their default value |
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430 opts = {} |
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431 if three is not None: |
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432 opts[r'three'] = three |
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433 if four is not None: |
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434 opts[r'four'] = four |
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435 return self._call('debugwireargs', one=one, two=two, **opts) |
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436 |
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437 def _call(self, cmd, **args): |
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438 """execute <cmd> on the server |
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439 |
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440 The command is expected to return a simple string. |
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441 |
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442 returns the server reply as a string.""" |
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443 raise NotImplementedError() |
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444 |
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445 def _callstream(self, cmd, **args): |
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446 """execute <cmd> on the server |
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447 |
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448 The command is expected to return a stream. Note that if the |
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449 command doesn't return a stream, _callstream behaves |
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450 differently for ssh and http peers. |
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451 |
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452 returns the server reply as a file like object. |
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453 """ |
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454 raise NotImplementedError() |
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455 |
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456 def _callcompressable(self, cmd, **args): |
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457 """execute <cmd> on the server |
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458 |
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459 The command is expected to return a stream. |
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|
460 |
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|
461 The stream may have been compressed in some implementations. This |
20905
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462 function takes care of the decompression. This is the only difference |
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463 with _callstream. |
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464 |
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465 returns the server reply as a file like object. |
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466 """ |
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467 raise NotImplementedError() |
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468 |
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469 def _callpush(self, cmd, fp, **args): |
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470 """execute a <cmd> on server |
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471 |
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472 The command is expected to be related to a push. Push has a special |
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473 return method. |
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474 |
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475 returns the server reply as a (ret, output) tuple. ret is either |
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476 empty (error) or a stringified int. |
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477 """ |
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478 raise NotImplementedError() |
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479 |
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480 def _calltwowaystream(self, cmd, fp, **args): |
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481 """execute <cmd> on server |
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482 |
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483 The command will send a stream to the server and get a stream in reply. |
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484 """ |
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485 raise NotImplementedError() |
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486 |
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487 def _abort(self, exception): |
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488 """clearly abort the wire protocol connection and raise the exception |
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489 """ |
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490 raise NotImplementedError() |
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491 |
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492 # server side |
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493 |
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494 # wire protocol command can either return a string or one of these classes. |
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495 |
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496 def getdispatchrepo(repo, proto, command): |
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497 """Obtain the repo used for processing wire protocol commands. |
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498 |
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499 The intent of this function is to serve as a monkeypatch point for |
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500 extensions that need commands to operate on different repo views under |
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501 specialized circumstances. |
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502 """ |
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503 return repo.filtered('served') |
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504 |
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505 def dispatch(repo, proto, command): |
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506 repo = getdispatchrepo(repo, proto, command) |
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507 func, spec = commands[command] |
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508 args = proto.getargs(spec) |
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509 return func(repo, proto, *args) |
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510 |
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511 def options(cmd, keys, others): |
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512 opts = {} |
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513 for k in keys: |
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514 if k in others: |
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515 opts[k] = others[k] |
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516 del others[k] |
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517 if others: |
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518 util.stderr.write("warning: %s ignored unexpected arguments %s\n" |
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519 % (cmd, ",".join(others))) |
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520 return opts |
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521 |
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522 def bundle1allowed(repo, action): |
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523 """Whether a bundle1 operation is allowed from the server. |
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524 |
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525 Priority is: |
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526 |
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527 1. server.bundle1gd.<action> (if generaldelta active) |
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528 2. server.bundle1.<action> |
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529 3. server.bundle1gd (if generaldelta active) |
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530 4. server.bundle1 |
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531 """ |
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532 ui = repo.ui |
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533 gd = 'generaldelta' in repo.requirements |
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534 |
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|
535 if gd: |
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536 v = ui.configbool('server', 'bundle1gd.%s' % action) |
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537 if v is not None: |
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538 return v |
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|
539 |
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540 v = ui.configbool('server', 'bundle1.%s' % action) |
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|
541 if v is not None: |
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|
542 return v |
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|
543 |
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|
544 if gd: |
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|
545 v = ui.configbool('server', 'bundle1gd') |
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546 if v is not None: |
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547 return v |
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|
548 |
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549 return ui.configbool('server', 'bundle1') |
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550 |
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551 def supportedcompengines(ui, role): |
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552 """Obtain the list of supported compression engines for a request.""" |
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553 assert role in (util.CLIENTROLE, util.SERVERROLE) |
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554 |
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555 compengines = util.compengines.supportedwireengines(role) |
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556 |
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557 # Allow config to override default list and ordering. |
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558 if role == util.SERVERROLE: |
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559 configengines = ui.configlist('server', 'compressionengines') |
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560 config = 'server.compressionengines' |
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561 else: |
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562 # This is currently implemented mainly to facilitate testing. In most |
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563 # cases, the server should be in charge of choosing a compression engine |
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564 # because a server has the most to lose from a sub-optimal choice. (e.g. |
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565 # CPU DoS due to an expensive engine or a network DoS due to poor |
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|
566 # compression ratio). |
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567 configengines = ui.configlist('experimental', |
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|
568 'clientcompressionengines') |
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|
569 config = 'experimental.clientcompressionengines' |
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570 |
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571 # No explicit config. Filter out the ones that aren't supposed to be |
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572 # advertised and return default ordering. |
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573 if not configengines: |
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574 attr = 'serverpriority' if role == util.SERVERROLE else 'clientpriority' |
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575 return [e for e in compengines |
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576 if getattr(e.wireprotosupport(), attr) > 0] |
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577 |
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578 # If compression engines are listed in the config, assume there is a good |
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579 # reason for it (like server operators wanting to achieve specific |
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580 # performance characteristics). So fail fast if the config references |
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581 # unusable compression engines. |
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582 validnames = set(e.name() for e in compengines) |
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583 invalidnames = set(e for e in configengines if e not in validnames) |
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584 if invalidnames: |
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585 raise error.Abort(_('invalid compression engine defined in %s: %s') % |
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586 (config, ', '.join(sorted(invalidnames)))) |
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587 |
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588 compengines = [e for e in compengines if e.name() in configengines] |
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589 compengines = sorted(compengines, |
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590 key=lambda e: configengines.index(e.name())) |
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591 |
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592 if not compengines: |
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593 raise error.Abort(_('%s config option does not specify any known ' |
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594 'compression engines') % config, |
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595 hint=_('usable compression engines: %s') % |
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596 ', '.sorted(validnames)) |
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597 |
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598 return compengines |
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599 |
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600 class commandentry(object): |
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601 """Represents a declared wire protocol command.""" |
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602 def __init__(self, func, args='', transports=None, |
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603 permission='push'): |
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604 self.func = func |
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605 self.args = args |
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606 self.transports = transports or set() |
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607 self.permission = permission |
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608 |
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609 def _merge(self, func, args): |
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610 """Merge this instance with an incoming 2-tuple. |
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611 |
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612 This is called when a caller using the old 2-tuple API attempts |
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613 to replace an instance. The incoming values are merged with |
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614 data not captured by the 2-tuple and a new instance containing |
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615 the union of the two objects is returned. |
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616 """ |
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617 return commandentry(func, args=args, transports=set(self.transports), |
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618 permission=self.permission) |
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619 |
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620 # Old code treats instances as 2-tuples. So expose that interface. |
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621 def __iter__(self): |
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622 yield self.func |
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623 yield self.args |
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624 |
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625 def __getitem__(self, i): |
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626 if i == 0: |
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627 return self.func |
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628 elif i == 1: |
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629 return self.args |
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630 else: |
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631 raise IndexError('can only access elements 0 and 1') |
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632 |
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633 class commanddict(dict): |
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634 """Container for registered wire protocol commands. |
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635 |
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636 It behaves like a dict. But __setitem__ is overwritten to allow silent |
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637 coercion of values from 2-tuples for API compatibility. |
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638 """ |
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639 def __setitem__(self, k, v): |
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640 if isinstance(v, commandentry): |
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641 pass |
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642 # Cast 2-tuples to commandentry instances. |
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643 elif isinstance(v, tuple): |
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644 if len(v) != 2: |
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645 raise ValueError('command tuples must have exactly 2 elements') |
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646 |
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647 # It is common for extensions to wrap wire protocol commands via |
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648 # e.g. ``wireproto.commands[x] = (newfn, args)``. Because callers |
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649 # doing this aren't aware of the new API that uses objects to store |
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650 # command entries, we automatically merge old state with new. |
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651 if k in self: |
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652 v = self[k]._merge(v[0], v[1]) |
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653 else: |
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654 # Use default values from @wireprotocommand. |
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655 v = commandentry(v[0], args=v[1], |
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656 transports=set(wireprototypes.TRANSPORTS), |
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657 permission='push') |
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658 else: |
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659 raise ValueError('command entries must be commandentry instances ' |
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660 'or 2-tuples') |
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661 |
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662 return super(commanddict, self).__setitem__(k, v) |
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663 |
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664 def commandavailable(self, command, proto): |
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665 """Determine if a command is available for the requested protocol.""" |
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666 assert proto.name in wireprototypes.TRANSPORTS |
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667 |
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668 entry = self.get(command) |
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669 |
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670 if not entry: |
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671 return False |
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672 |
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673 if proto.name not in entry.transports: |
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674 return False |
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675 |
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676 return True |
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677 |
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678 # Constants specifying which transports a wire protocol command should be |
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679 # available on. For use with @wireprotocommand. |
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680 POLICY_ALL = 'all' |
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681 POLICY_V1_ONLY = 'v1-only' |
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682 POLICY_V2_ONLY = 'v2-only' |
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683 |
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684 commands = commanddict() |
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685 |
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686 def wireprotocommand(name, args='', transportpolicy=POLICY_ALL, |
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687 permission='push'): |
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688 """Decorator to declare a wire protocol command. |
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689 |
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690 ``name`` is the name of the wire protocol command being provided. |
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691 |
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692 ``args`` is a space-delimited list of named arguments that the command |
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693 accepts. ``*`` is a special value that says to accept all arguments. |
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694 |
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695 ``transportpolicy`` is a POLICY_* constant denoting which transports |
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696 this wire protocol command should be exposed to. By default, commands |
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697 are exposed to all wire protocol transports. |
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698 |
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699 ``permission`` defines the permission type needed to run this command. |
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700 Can be ``push`` or ``pull``. These roughly map to read-write and read-only, |
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701 respectively. Default is to assume command requires ``push`` permissions |
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702 because otherwise commands not declaring their permissions could modify |
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703 a repository that is supposed to be read-only. |
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704 """ |
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705 if transportpolicy == POLICY_ALL: |
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706 transports = set(wireprototypes.TRANSPORTS) |
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707 elif transportpolicy == POLICY_V1_ONLY: |
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708 transports = {k for k, v in wireprototypes.TRANSPORTS.items() |
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709 if v['version'] == 1} |
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710 elif transportpolicy == POLICY_V2_ONLY: |
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711 transports = {k for k, v in wireprototypes.TRANSPORTS.items() |
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712 if v['version'] == 2} |
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713 else: |
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714 raise error.ProgrammingError('invalid transport policy value: %s' % |
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715 transportpolicy) |
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716 |
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717 if permission not in ('push', 'pull'): |
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718 raise error.ProgrammingError('invalid wire protocol permission; ' |
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719 'got %s; expected "push" or "pull"' % |
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720 permission) |
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721 |
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722 def register(func): |
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723 commands[name] = commandentry(func, args=args, transports=transports, |
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724 permission=permission) |
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725 return func |
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|
726 return register |
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727 |
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728 # TODO define a more appropriate permissions type to use for this. |
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729 @wireprotocommand('batch', 'cmds *', permission='pull') |
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|
730 def batch(repo, proto, cmds, others): |
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Kevin Bullock <kbullock@ringworld.org>
parents:
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731 repo = repo.filtered("served") |
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732 res = [] |
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|
733 for pair in cmds.split(';'): |
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734 op, args = pair.split(' ', 1) |
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735 vals = {} |
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736 for a in args.split(','): |
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737 if a: |
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|
738 n, v = a.split('=') |
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739 vals[unescapearg(n)] = unescapearg(v) |
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740 func, spec = commands[op] |
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741 |
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742 # Validate that client has permissions to perform this command. |
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743 perm = commands[op].permission |
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744 assert perm in ('push', 'pull') |
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745 proto.checkperm(perm) |
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|
746 |
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747 if spec: |
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748 keys = spec.split() |
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749 data = {} |
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750 for k in keys: |
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751 if k == '*': |
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752 star = {} |
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753 for key in vals.keys(): |
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754 if key not in keys: |
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755 star[key] = vals[key] |
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756 data['*'] = star |
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757 else: |
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758 data[k] = vals[k] |
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|
759 result = func(repo, proto, *[data[k] for k in keys]) |
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760 else: |
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|
761 result = func(repo, proto) |
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changeset
|
762 if isinstance(result, ooberror): |
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changeset
|
763 return result |
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|
764 |
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|
765 # For now, all batchable commands must return bytesresponse or |
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|
766 # raw bytes (for backwards compatibility). |
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|
767 assert isinstance(result, (bytesresponse, bytes)) |
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|
768 if isinstance(result, bytesresponse): |
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|
769 result = result.data |
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|
770 res.append(escapearg(result)) |
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|
771 |
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|
772 return bytesresponse(';'.join(res)) |
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|
773 |
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|
774 @wireprotocommand('between', 'pairs', transportpolicy=POLICY_V1_ONLY, |
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775 permission='pull') |
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|
776 def between(repo, proto, pairs): |
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|
777 pairs = [decodelist(p, '-') for p in pairs.split(" ")] |
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778 r = [] |
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diff
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|
779 for b in repo.between(pairs): |
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780 r.append(encodelist(b) + "\n") |
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781 |
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782 return bytesresponse(''.join(r)) |
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783 |
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784 @wireprotocommand('branchmap', permission='pull') |
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|
785 def branchmap(repo, proto): |
18281
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clfilter: drop extra filtering in wireprotocol
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18280
diff
changeset
|
786 branchmap = repo.branchmap() |
11581
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diff
changeset
|
787 heads = [] |
4530b3307fb9
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diff
changeset
|
788 for branch, nodes in branchmap.iteritems(): |
28883
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pycompat: switch to util.urlreq/util.urlerr for py3 compat
timeless <timeless@mozdev.org>
parents:
28666
diff
changeset
|
789 branchname = urlreq.quote(encoding.fromlocal(branch)) |
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changeset
|
790 branchnodes = encodelist(nodes) |
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|
791 heads.append('%s %s' % (branchname, branchnodes)) |
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|
792 |
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changeset
|
793 return bytesresponse('\n'.join(heads)) |
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|
794 |
36800
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|
795 @wireprotocommand('branches', 'nodes', transportpolicy=POLICY_V1_ONLY, |
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796 permission='pull') |
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|
797 def branches(repo, proto, nodes): |
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|
798 nodes = decodelist(nodes) |
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diff
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|
799 r = [] |
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diff
changeset
|
800 for b in repo.branches(nodes): |
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|
801 r.append(encodelist(b) + "\n") |
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|
802 |
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changeset
|
803 return bytesresponse(''.join(r)) |
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|
804 |
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changeset
|
805 @wireprotocommand('clonebundles', '', permission='pull') |
26857
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806 def clonebundles(repo, proto): |
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807 """Server command for returning info for available bundles to seed clones. |
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808 |
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809 Clients will parse this response and determine what bundle to fetch. |
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|
810 |
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811 Extensions may wrap this command to filter or dynamically emit data |
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812 depending on the request. e.g. you could advertise URLs for the closest |
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parents:
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|
813 data center given the client's IP address. |
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814 """ |
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815 return bytesresponse(repo.vfs.tryread('clonebundles.manifest')) |
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816 |
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817 wireprotocaps = ['lookup', 'branchmap', 'pushkey', |
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818 'known', 'getbundle', 'unbundlehash', 'batch'] |
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819 |
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820 def _capabilities(repo, proto): |
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821 """return a list of capabilities for a repo |
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822 |
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823 This function exists to allow extensions to easily wrap capabilities |
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824 computation |
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825 |
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826 - returns a lists: easy to alter |
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827 - change done here will be propagated to both `capabilities` and `hello` |
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parents:
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828 command without any other action needed. |
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829 """ |
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830 # copy to prevent modification of the global list |
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831 caps = list(wireprotocaps) |
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832 |
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833 # Command of same name as capability isn't exposed to version 1 of |
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834 # transports. So conditionally add it. |
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835 if commands.commandavailable('changegroupsubset', proto): |
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836 caps.append('changegroupsubset') |
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837 |
32744
33b7283a3828
streamclone: consider secret changesets (BC) (issue5589)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
32291
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|
838 if streamclone.allowservergeneration(repo): |
33225
90a1b62bdc91
configitems: register the 'server.preferuncompressed' config
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parents:
33224
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|
839 if repo.ui.configbool('server', 'preferuncompressed'): |
16361
6097ede2be4d
protocol: Add the stream-preferred capability
Benoit Allard <benoit@aeteurope.nl>
parents:
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840 caps.append('stream-preferred') |
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parents:
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841 requiredformats = repo.requirements & repo.supportedformats |
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parents:
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842 # if our local revlogs are just revlogv1, add 'stream' cap |
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parents:
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843 if not requiredformats - {'revlogv1'}: |
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844 caps.append('stream') |
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845 # otherwise, add 'streamreqs' detailing our local revlog format |
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846 else: |
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stream: sort stream capability before serialisation
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847 caps.append('streamreqs=%s' % ','.join(sorted(requiredformats))) |
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848 if repo.ui.configbool('experimental', 'bundle2-advertise'): |
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parents:
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849 capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo, role='server')) |
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032c4c2f802a
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850 caps.append('bundle2=' + urlreq.quote(capsblob)) |
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bundle: move writebundle() from changegroup.py to bundle2.py (API)
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parents:
28530
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851 caps.append('unbundle=%s' % ','.join(bundle2.bundlepriority)) |
30563
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wireproto: only advertise HTTP-specific capabilities to HTTP peers (BC)
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parents:
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|
852 |
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parents:
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853 return proto.addcapabilities(repo, caps) |
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854 |
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855 # If you are writing an extension and consider wrapping this function. Wrap |
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856 # `_capabilities` instead. |
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857 @wireprotocommand('capabilities', permission='pull') |
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858 def capabilities(repo, proto): |
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859 return bytesresponse(' '.join(_capabilities(repo, proto))) |
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860 |
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861 @wireprotocommand('changegroup', 'roots', transportpolicy=POLICY_V1_ONLY, |
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862 permission='pull') |
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863 def changegroup(repo, proto, roots): |
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864 nodes = decodelist(roots) |
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865 outgoing = discovery.outgoing(repo, missingroots=nodes, |
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866 missingheads=repo.heads()) |
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867 cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve') |
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868 gen = iter(lambda: cg.read(32768), '') |
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869 return streamres(gen=gen) |
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870 |
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871 @wireprotocommand('changegroupsubset', 'bases heads', |
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872 transportpolicy=POLICY_V1_ONLY, |
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873 permission='pull') |
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874 def changegroupsubset(repo, proto, bases, heads): |
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875 bases = decodelist(bases) |
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876 heads = decodelist(heads) |
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877 outgoing = discovery.outgoing(repo, missingroots=bases, |
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878 missingheads=heads) |
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879 cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve') |
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880 gen = iter(lambda: cg.read(32768), '') |
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881 return streamres(gen=gen) |
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|
882 |
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883 @wireprotocommand('debugwireargs', 'one two *', |
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|
884 permission='pull') |
13721
3458c15ab2f0
wireproto: fix handling of '*' args for HTTP and SSH
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parents:
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|
885 def debugwireargs(repo, proto, one, two, others): |
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parents:
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|
886 # only accept optional args from the known set |
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parents:
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887 opts = options('debugwireargs', ['three', 'four'], others) |
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|
888 return bytesresponse(repo.debugwireargs(one, two, |
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|
889 **pycompat.strkwargs(opts))) |
13720
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debug: add debugwireargs to test argument passing over the wire
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parents:
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|
890 |
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|
891 @wireprotocommand('getbundle', '*', permission='pull') |
13741
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wireproto: add getbundle() function
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parents:
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diff
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|
892 def getbundle(repo, proto, others): |
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parents:
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|
893 opts = options('getbundle', gboptsmap.keys(), others) |
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parents:
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|
894 for k, v in opts.iteritems(): |
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895 keytype = gboptsmap[k] |
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parents:
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diff
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|
896 if keytype == 'nodes': |
19201
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
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diff
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|
897 opts[k] = decodelist(v) |
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parents:
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|
898 elif keytype == 'csv': |
25403
30ab130af221
wireprotocol: distinguish list and set in getbundle argument
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parents:
25339
diff
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|
899 opts[k] = list(v.split(',')) |
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parents:
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|
900 elif keytype == 'scsv': |
19201
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
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parents:
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diff
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|
901 opts[k] = set(v.split(',')) |
21988
12cd3827b860
wireproto: add a ``boolean`` type for getbundle parameters
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21728
diff
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|
902 elif keytype == 'boolean': |
26686
3e7f675628ad
wireproto: properly parse false boolean args (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
903 # Client should serialize False as '0', which is a non-empty string |
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|
904 # so it evaluates as a True bool. |
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|
905 if v == '0': |
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|
906 opts[k] = False |
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|
907 else: |
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parents:
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|
908 opts[k] = bool(v) |
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909 elif keytype != 'plain': |
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parents:
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|
910 raise KeyError('unknown getbundle option type %s' |
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diff
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|
911 % keytype) |
27246
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wireproto: config options to disable bundle1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27243
diff
changeset
|
912 |
27633
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wireproto: support disabling bundle1 only if repo is generaldelta
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
913 if not bundle1allowed(repo, 'pull'): |
27246
b288fb2724bf
wireproto: config options to disable bundle1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27243
diff
changeset
|
914 if not exchange.bundle2requested(opts.get('bundlecaps')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36221
diff
changeset
|
915 if proto.name == 'http-v1': |
30912
3d4afc2fdcd7
bundle1: fix bundle1-denied reporting for pull over ssh
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30910
diff
changeset
|
916 return ooberror(bundle2required) |
3d4afc2fdcd7
bundle1: fix bundle1-denied reporting for pull over ssh
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30910
diff
changeset
|
917 raise error.Abort(bundle2requiredmain, |
3d4afc2fdcd7
bundle1: fix bundle1-denied reporting for pull over ssh
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30910
diff
changeset
|
918 hint=bundle2requiredhint) |
27246
b288fb2724bf
wireproto: config options to disable bundle1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27243
diff
changeset
|
919 |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35785
diff
changeset
|
920 prefercompressed = True |
35782
9d249f3de730
wireproto: don't compress errors from getbundle()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35760
diff
changeset
|
921 |
30914
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
922 try: |
33223
d227451ee280
configitems: register the 'server.disablefullbundle' config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
33220
diff
changeset
|
923 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
|
924 # Check to see if this is a full clone. |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
925 clheads = set(repo.changelog.heads()) |
35760
133a678673cb
clone: allow bundle2's stream clone with 'server.disablefullbundle'
Boris Feld <boris.feld@octobus.net>
parents:
35759
diff
changeset
|
926 changegroup = opts.get('cg', True) |
32260
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
927 heads = set(opts.get('heads', set())) |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
928 common = set(opts.get('common', set())) |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
929 common.discard(nullid) |
35760
133a678673cb
clone: allow bundle2's stream clone with 'server.disablefullbundle'
Boris Feld <boris.feld@octobus.net>
parents:
35759
diff
changeset
|
930 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
|
931 raise error.Abort( |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
932 _('server has pull-based clones disabled'), |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
933 hint=_('remove --pull if specified or upgrade Mercurial')) |
d0d9a4fca59b
clone: add a server-side option to disable full getbundles (pull-based clones)
Siddharth Agarwal <sid0@fb.com>
parents:
31451
diff
changeset
|
934 |
35785
ba15580e53d5
exchange: return bundle info from getbundlechunks() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35783
diff
changeset
|
935 info, chunks = exchange.getbundlechunks(repo, 'serve', |
ba15580e53d5
exchange: return bundle info from getbundlechunks() (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35783
diff
changeset
|
936 **pycompat.strkwargs(opts)) |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35785
diff
changeset
|
937 prefercompressed = info.get('prefercompressed', True) |
30914
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
938 except error.Abort as exc: |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
939 # cleanly forward Abort error to the client |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
940 if not exchange.bundle2requested(opts.get('bundlecaps')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36221
diff
changeset
|
941 if proto.name == 'http-v1': |
36258
af0a19d8812b
py3: get bytes-repr of network errors portably
Augie Fackler <augie@google.com>
parents:
36223
diff
changeset
|
942 return ooberror(pycompat.bytestr(exc) + '\n') |
30914
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
943 raise # cannot do better for bundle1 + ssh |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
944 # bundle2 request expect a bundle2 reply |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
945 bundler = bundle2.bundle20(repo.ui) |
36258
af0a19d8812b
py3: get bytes-repr of network errors portably
Augie Fackler <augie@google.com>
parents:
36223
diff
changeset
|
946 manargs = [('message', pycompat.bytestr(exc))] |
30914
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
947 advargs = [] |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
948 if exc.hint is not None: |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
949 advargs.append(('hint', exc.hint)) |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
950 bundler.addpart(bundle2.bundlepart('error:abort', |
f3807a135e43
wireproto: properly report server Abort during 'getbundle'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
30912
diff
changeset
|
951 manargs, advargs)) |
35782
9d249f3de730
wireproto: don't compress errors from getbundle()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35760
diff
changeset
|
952 chunks = bundler.getchunks() |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35785
diff
changeset
|
953 prefercompressed = False |
35782
9d249f3de730
wireproto: don't compress errors from getbundle()
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35760
diff
changeset
|
954 |
35787
a84dbc87dae9
exchange: send bundle2 stream clones uncompressed
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35785
diff
changeset
|
955 return streamres(gen=chunks, prefer_uncompressed=not prefercompressed) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
956 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
957 @wireprotocommand('heads', permission='pull') |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
958 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
|
959 h = repo.heads() |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
960 return bytesresponse(encodelist(h) + '\n') |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
961 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
962 @wireprotocommand('hello', permission='pull') |
11594
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
963 def hello(repo, proto): |
36221
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
964 """Called as part of SSH handshake to obtain server info. |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
965 |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
966 Returns a list of lines describing interesting things about the |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
967 server, in an RFC822-like format. |
11594
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
968 |
36221
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
969 Currently, the only one defined is ``capabilities``, which consists of a |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
970 line of space separated tokens describing server abilities: |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
971 |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
972 capabilities: <token0> <token1> <token2> |
62bca1c50e96
wireproto: improve docstring for "hello"
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36074
diff
changeset
|
973 """ |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
974 caps = capabilities(repo, proto).data |
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
975 return bytesresponse('capabilities: %s\n' % caps) |
11594
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
976 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
977 @wireprotocommand('listkeys', 'namespace', permission='pull') |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
978 def listkeys(repo, proto, namespace): |
36529
33c6f8f0388d
wireproto: sort response to listkeys
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36431
diff
changeset
|
979 d = sorted(repo.listkeys(encoding.tolocal(namespace)).items()) |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
980 return bytesresponse(pushkeymod.encodekeys(d)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
981 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
982 @wireprotocommand('lookup', 'key', permission='pull') |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
983 def lookup(repo, proto, key): |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
984 try: |
15925
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
985 k = encoding.tolocal(key) |
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
986 c = repo[k] |
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
987 r = c.hex() |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
988 success = 1 |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25493
diff
changeset
|
989 except Exception as inst: |
36314
be9c497e0bfd
wireproto: fix lingering str(exception) with util.forcebytestr(exception)
Augie Fackler <augie@google.com>
parents:
36258
diff
changeset
|
990 r = util.forcebytestr(inst) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
991 success = 0 |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
992 return bytesresponse('%d %s\n' % (success, r)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
993 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
994 @wireprotocommand('known', 'nodes *', permission='pull') |
14436
5adb52524779
wireproto: enable optional args for known() for future extensibility
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14419
diff
changeset
|
995 def known(repo, proto, nodes, others): |
36074
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
996 v = ''.join(b and '1' or '0' for b in repo.known(decodelist(nodes))) |
2f7290555c96
wireproto: introduce type for raw byte responses (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36073
diff
changeset
|
997 return bytesresponse(v) |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
998 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
999 @wireprotocommand('pushkey', 'namespace key old new', permission='push') |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
1000 def pushkey(repo, proto, namespace, key, old, new): |
13050 | 1001 # compatibility with pre-1.8 clients which were accidentally |
1002 # sending raw binary nodes rather than utf-8-encoded hex | |
31451
53865692a354
util: wrap s.encode('string_escape') call for future py3 compatibility
Yuya Nishihara <yuya@tcha.org>
parents:
31146
diff
changeset
|
1003 if len(new) == 20 and util.escapestr(new) != new: |
13050 | 1004 # looks like it could be a binary node |
1005 try: | |
14064
e4bfb9c337f3
remove unused imports and variables
Alexander Solovyov <alexander@solovyov.net>
parents:
14048
diff
changeset
|
1006 new.decode('utf-8') |
13050 | 1007 new = encoding.tolocal(new) # but cleanly decodes as UTF-8 |
1008 except UnicodeDecodeError: | |
1009 pass # binary, leave unmodified | |
1010 else: | |
1011 new = encoding.tolocal(new) # normal path | |
1012 | |
36066
2ad145fbde54
wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35982
diff
changeset
|
1013 with proto.mayberedirectstdio() as output: |
35979
ae79cf6f9c82
wireproto: remove unnecessary exception trapping
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35860
diff
changeset
|
1014 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
|
1015 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
|
1016 |
36066
2ad145fbde54
wireprotoserver: add context manager mechanism for redirecting stdio
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35982
diff
changeset
|
1017 output = output.getvalue() if output else '' |
36431
ec43960b03e8
wireproto: use %d to encode an int, not a %s
Augie Fackler <augie@google.com>
parents:
36314
diff
changeset
|
1018 return bytesresponse('%d\n%s' % (int(r), output)) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
1019 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
1020 @wireprotocommand('stream_out', permission='pull') |
11585
5d907fbb9703
protocol: unify stream_out command
Matt Mackall <mpm@selenic.com>
parents:
11584
diff
changeset
|
1021 def stream(repo, proto): |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
1022 '''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
|
1023 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
|
1024 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
|
1025 ''' |
35750
a39a9df7ecca
wireproto: split streamres into legacy and modern case
Joerg Sonnenberger <joerg@bec.de>
parents:
35705
diff
changeset
|
1026 return streamres_legacy(streamclone.generatev1wireproto(repo)) |
11585
5d907fbb9703
protocol: unify stream_out command
Matt Mackall <mpm@selenic.com>
parents:
11584
diff
changeset
|
1027 |
36800
0b18604db95e
wireproto: declare permissions requirements in @wireprotocommand (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36760
diff
changeset
|
1028 @wireprotocommand('unbundle', 'heads', permission='push') |
11593
d054cc5c7737
protocol: unify unbundle on the server side
Matt Mackall <mpm@selenic.com>
parents:
11592
diff
changeset
|
1029 def unbundle(repo, proto, heads): |
11597
9141d2c9e5a5
wireproto: refactor list of nodeid encoding / decoding
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11594
diff
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|
1030 their_heads = decodelist(heads) |
11593
d054cc5c7737
protocol: unify unbundle on the server side
Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
1031 |
36067
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1032 with proto.mayberedirectstdio() as output: |
11593
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diff
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|
1033 try: |
36067
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1034 exchange.check_heads(repo, their_heads, 'preparing changes') |
27246
b288fb2724bf
wireproto: config options to disable bundle1
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|
1035 |
36067
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wireproto: use maybecapturestdio() for push responses (API)
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1036 # write bundle data to temporary file because it can be big |
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|
1037 fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
36835
5bc7ff103081
py3: use r'' instead of sysstr('') to get around code transformer
Yuya Nishihara <yuya@tcha.org>
parents:
36801
diff
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|
1038 fp = os.fdopen(fd, r'wb+') |
36067
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1039 r = 0 |
24796
61ff209fc01d
bundle2: refactor error bundle creation for the wireprotocol
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
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diff
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|
1040 try: |
36070
90ca4986616c
wireprotoserver: rename getfile() to forwardpayload() (API)
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parents:
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diff
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|
1041 proto.forwardpayload(fp) |
36067
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wireproto: use maybecapturestdio() for push responses (API)
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1042 fp.seek(0) |
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1043 gen = exchange.readbundle(repo.ui, fp, None) |
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1044 if (isinstance(gen, changegroupmod.cg1unpacker) |
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1045 and not bundle1allowed(repo, 'push')): |
36223
2e07dc514073
wireprotoserver: add version to HTTP protocol name (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
36221
diff
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|
1046 if proto.name == 'http-v1': |
36067
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|
1047 # need to special case http because stderr do not get to |
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1048 # the http client on failed push so we need to abuse |
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1049 # some other error type to make sure the message get to |
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1050 # the user. |
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1051 return ooberror(bundle2required) |
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1052 raise error.Abort(bundle2requiredmain, |
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|
1053 hint=bundle2requiredhint) |
24796
61ff209fc01d
bundle2: refactor error bundle creation for the wireprotocol
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
24696
diff
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|
1054 |
36067
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|
1055 r = exchange.unbundle(repo, gen, their_heads, 'serve', |
36069
957e773614d0
wireprotoserver: rename _client to client (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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|
1056 proto.client()) |
36067
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|
1057 if util.safehasattr(r, 'addpart'): |
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1058 # The return looks streamable, we are in the bundle2 case |
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|
1059 # and should return a stream. |
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|
1060 return streamres_legacy(gen=r.getchunks()) |
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|
1061 return pushres(r, output.getvalue() if output else '') |
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|
1062 |
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|
1063 finally: |
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|
1064 fp.close() |
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|
1065 os.unlink(tempname) |
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|
1066 |
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|
1067 except (error.BundleValueError, error.Abort, error.PushRaced) as exc: |
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|
1068 # handle non-bundle2 case first |
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|
1069 if not getattr(exc, 'duringunbundle2', False): |
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changeset
|
1070 try: |
25493
d8e7b0781ad7
bundle2: convey PushkeyFailed error over the wire
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25403
diff
changeset
|
1071 raise |
36067
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|
1072 except error.Abort: |
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|
1073 # The old code we moved used util.stderr directly. |
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|
1074 # We did not change it to minimise code change. |
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|
1075 # This need to be moved to something proper. |
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|
1076 # Feel free to do it. |
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|
1077 util.stderr.write("abort: %s\n" % exc) |
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|
1078 if exc.hint is not None: |
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changeset
|
1079 util.stderr.write("(%s)\n" % exc.hint) |
36991
d683c7367989
wireproto: explicitly flush stdio to prevent stalls on Windows
Matt Harbison <matt_harbison@yahoo.com>
parents:
36945
diff
changeset
|
1080 util.stderr.flush() |
36067
caca3ac2ac04
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|
1081 return pushres(0, output.getvalue() if output else '') |
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diff
changeset
|
1082 except error.PushRaced: |
36719
390d16ea7c76
py3: use pycompat.bytestr instead of str
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36615
diff
changeset
|
1083 return pusherr(pycompat.bytestr(exc), |
36067
caca3ac2ac04
wireproto: use maybecapturestdio() for push responses (API)
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|
1084 output.getvalue() if output else '') |
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|
1085 |
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|
1086 bundler = bundle2.bundle20(repo.ui) |
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changeset
|
1087 for out in getattr(exc, '_bundle2salvagedoutput', ()): |
caca3ac2ac04
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|
1088 bundler.addpart(out) |
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|
1089 try: |
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|
1090 try: |
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|
1091 raise |
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|
1092 except error.PushkeyFailed as exc: |
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|
1093 # check client caps |
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changeset
|
1094 remotecaps = getattr(exc, '_replycaps', None) |
caca3ac2ac04
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changeset
|
1095 if (remotecaps is not None |
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changeset
|
1096 and 'pushkey' not in remotecaps.get('error', ())): |
caca3ac2ac04
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|
1097 # no support remote side, fallback to Abort handler. |
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|
1098 raise |
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changeset
|
1099 part = bundler.newpart('error:pushkey') |
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|
1100 part.addparam('in-reply-to', exc.partid) |
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|
1101 if exc.namespace is not None: |
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|
1102 part.addparam('namespace', exc.namespace, |
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|
1103 mandatory=False) |
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|
1104 if exc.key is not None: |
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|
1105 part.addparam('key', exc.key, mandatory=False) |
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|
1106 if exc.new is not None: |
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|
1107 part.addparam('new', exc.new, mandatory=False) |
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|
1108 if exc.old is not None: |
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|
1109 part.addparam('old', exc.old, mandatory=False) |
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|
1110 if exc.ret is not None: |
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|
1111 part.addparam('ret', exc.ret, mandatory=False) |
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|
1112 except error.BundleValueError as exc: |
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|
1113 errpart = bundler.newpart('error:unsupportedcontent') |
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|
1114 if exc.parttype is not None: |
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|
1115 errpart.addparam('parttype', exc.parttype) |
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|
1116 if exc.params: |
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|
1117 errpart.addparam('params', '\0'.join(exc.params)) |
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|
1118 except error.Abort as exc: |
36314
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changeset
|
1119 manargs = [('message', util.forcebytestr(exc))] |
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|
1120 advargs = [] |
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1121 if exc.hint is not None: |
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|
1122 advargs.append(('hint', exc.hint)) |
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1123 bundler.addpart(bundle2.bundlepart('error:abort', |
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|
1124 manargs, advargs)) |
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1125 except error.PushRaced as exc: |
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|
1126 bundler.newpart('error:pushraced', |
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changeset
|
1127 [('message', util.forcebytestr(exc))]) |
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1128 return streamres_legacy(gen=bundler.getchunks()) |