Mercurial > hg
annotate mercurial/wireproto.py @ 20835:0e8417131a29
util: add the code path to "cachefunc()" for the function taking no arguments
Before this patch, "util.cachefunc()" caches the value returned by the
specified function into dictionary "cache", even if the specified
function takes no arguments.
In such case, "cache" has at most one entry, and distinction between
entries in "cache" is meaningless.
This patch adds the code path to "cachefunc()" for the function taking
no arguments for efficiency: to store only one cached value, using
list "cache" is a little faster than using dictionary "cache".
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Sat, 15 Feb 2014 19:52:26 +0900 |
parents | 982f13bef503 |
children | 1e4fda2f5cf1 |
rev | line source |
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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 import urllib, tempfile, os, sys |
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9 from i18n import _ |
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10 from node import bin, hex |
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11 import changegroup as changegroupmod |
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12 import peer, error, encoding, util, store |
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13 |
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14 # abstract batching support |
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15 |
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16 class future(object): |
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17 '''placeholder for a value to be set later''' |
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18 def set(self, value): |
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19 if util.safehasattr(self, 'value'): |
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20 raise error.RepoError("future is already set") |
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21 self.value = value |
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22 |
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23 class batcher(object): |
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24 '''base class for batches of commands submittable in a single request |
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25 |
16683 | 26 All methods invoked on instances of this class are simply queued and |
27 return a a future for the result. Once you call submit(), all the queued | |
28 calls are performed and the results set in their respective futures. | |
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29 ''' |
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30 def __init__(self): |
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31 self.calls = [] |
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32 def __getattr__(self, name): |
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33 def call(*args, **opts): |
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34 resref = future() |
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35 self.calls.append((name, args, opts, resref,)) |
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36 return resref |
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37 return call |
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38 def submit(self): |
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39 pass |
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40 |
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41 class localbatch(batcher): |
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42 '''performs the queued calls directly''' |
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43 def __init__(self, local): |
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44 batcher.__init__(self) |
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45 self.local = local |
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46 def submit(self): |
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47 for name, args, opts, resref in self.calls: |
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48 resref.set(getattr(self.local, name)(*args, **opts)) |
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49 |
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50 class remotebatch(batcher): |
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51 '''batches the queued calls; uses as few roundtrips as possible''' |
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52 def __init__(self, remote): |
16683 | 53 '''remote must support _submitbatch(encbatch) and |
54 _submitone(op, encargs)''' | |
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55 batcher.__init__(self) |
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56 self.remote = remote |
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57 def submit(self): |
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58 req, rsp = [], [] |
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59 for name, args, opts, resref in self.calls: |
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60 mtd = getattr(self.remote, name) |
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61 batchablefn = getattr(mtd, 'batchable', None) |
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62 if batchablefn is not None: |
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63 batchable = batchablefn(mtd.im_self, *args, **opts) |
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64 encargsorres, encresref = batchable.next() |
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65 if encresref: |
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66 req.append((name, encargsorres,)) |
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67 rsp.append((batchable, encresref, resref,)) |
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68 else: |
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69 resref.set(encargsorres) |
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70 else: |
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71 if req: |
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72 self._submitreq(req, rsp) |
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73 req, rsp = [], [] |
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74 resref.set(mtd(*args, **opts)) |
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75 if req: |
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76 self._submitreq(req, rsp) |
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77 def _submitreq(self, req, rsp): |
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78 encresults = self.remote._submitbatch(req) |
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79 for encres, r in zip(encresults, rsp): |
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80 batchable, encresref, resref = r |
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81 encresref.set(encres) |
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82 resref.set(batchable.next()) |
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83 |
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84 def batchable(f): |
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85 '''annotation for batchable methods |
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86 |
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87 Such methods must implement a coroutine as follows: |
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88 |
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89 @batchable |
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90 def sample(self, one, two=None): |
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91 # Handle locally computable results first: |
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92 if not one: |
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93 yield "a local result", None |
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94 # Build list of encoded arguments suitable for your wire protocol: |
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95 encargs = [('one', encode(one),), ('two', encode(two),)] |
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96 # Create future for injection of encoded result: |
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97 encresref = future() |
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98 # Return encoded arguments and future: |
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99 yield encargs, encresref |
16683 | 100 # Assuming the future to be filled with the result from the batched |
101 # request now. Decode it: | |
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102 yield decode(encresref.value) |
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103 |
16683 | 104 The decorator returns a function which wraps this coroutine as a plain |
105 method, but adds the original method as an attribute called "batchable", | |
106 which is used by remotebatch to split the call into separate encoding and | |
107 decoding phases. | |
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108 ''' |
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109 def plain(*args, **opts): |
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110 batchable = f(*args, **opts) |
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111 encargsorres, encresref = batchable.next() |
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112 if not encresref: |
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113 return encargsorres # a local result in this case |
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114 self = args[0] |
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115 encresref.set(self._submitone(f.func_name, encargsorres)) |
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116 return batchable.next() |
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117 setattr(plain, 'batchable', f) |
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118 return plain |
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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 map(bin, 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 return sep.join(map(hex, l)) |
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129 |
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130 # batched call argument encoding |
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131 |
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132 def escapearg(plain): |
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133 return (plain |
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134 .replace(':', '::') |
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135 .replace(',', ':,') |
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136 .replace(';', ':;') |
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137 .replace('=', ':=')) |
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138 |
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139 def unescapearg(escaped): |
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140 return (escaped |
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141 .replace(':=', '=') |
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142 .replace(':;', ';') |
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143 .replace(':,', ',') |
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144 .replace('::', ':')) |
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145 |
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146 # client side |
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147 |
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148 class wirepeer(peer.peerrepository): |
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149 |
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150 def batch(self): |
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151 return remotebatch(self) |
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152 def _submitbatch(self, req): |
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153 cmds = [] |
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154 for op, argsdict in req: |
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155 args = ','.join('%s=%s' % p for p in argsdict.iteritems()) |
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156 cmds.append('%s %s' % (op, args)) |
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157 rsp = self._call("batch", cmds=';'.join(cmds)) |
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158 return rsp.split(';') |
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159 def _submitone(self, op, args): |
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160 return self._call(op, **args) |
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161 |
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162 @batchable |
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163 def lookup(self, key): |
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164 self.requirecap('lookup', _('look up remote revision')) |
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165 f = future() |
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166 yield {'key': encoding.fromlocal(key)}, f |
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167 d = f.value |
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168 success, data = d[:-1].split(" ", 1) |
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169 if int(success): |
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170 yield bin(data) |
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171 self._abort(error.RepoError(data)) |
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172 |
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173 @batchable |
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174 def heads(self): |
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175 f = future() |
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176 yield {}, f |
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177 d = f.value |
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178 try: |
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179 yield decodelist(d[:-1]) |
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180 except ValueError: |
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181 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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182 |
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183 @batchable |
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184 def known(self, nodes): |
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185 f = future() |
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186 yield {'nodes': encodelist(nodes)}, f |
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187 d = f.value |
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188 try: |
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189 yield [bool(int(f)) for f in d] |
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190 except ValueError: |
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191 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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192 |
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193 @batchable |
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194 def branchmap(self): |
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195 f = future() |
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196 yield {}, f |
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197 d = f.value |
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198 try: |
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199 branchmap = {} |
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200 for branchpart in d.splitlines(): |
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201 branchname, branchheads = branchpart.split(' ', 1) |
13047
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branch: operate on branch names in local string space where possible
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202 branchname = encoding.tolocal(urllib.unquote(branchname)) |
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203 branchheads = decodelist(branchheads) |
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204 branchmap[branchname] = branchheads |
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205 yield branchmap |
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206 except TypeError: |
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207 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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208 |
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209 def branches(self, nodes): |
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210 n = encodelist(nodes) |
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211 d = self._call("branches", nodes=n) |
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212 try: |
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213 br = [tuple(decodelist(b)) for b in d.splitlines()] |
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214 return br |
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215 except ValueError: |
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216 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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217 |
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218 def between(self, pairs): |
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219 batch = 8 # avoid giant requests |
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220 r = [] |
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221 for i in xrange(0, len(pairs), batch): |
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222 n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]]) |
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223 d = self._call("between", pairs=n) |
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224 try: |
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225 r.extend(l and decodelist(l) or [] for l in d.splitlines()) |
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226 except ValueError: |
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227 self._abort(error.ResponseError(_("unexpected response:"), d)) |
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228 return r |
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229 |
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230 @batchable |
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231 def pushkey(self, namespace, key, old, new): |
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232 if not self.capable('pushkey'): |
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233 yield False, None |
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234 f = future() |
17293
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17205
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|
235 self.ui.debug('preparing pushkey for "%s:%s"\n' % (namespace, key)) |
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236 yield {'namespace': encoding.fromlocal(namespace), |
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237 'key': encoding.fromlocal(key), |
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238 'old': encoding.fromlocal(old), |
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239 'new': encoding.fromlocal(new)}, f |
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240 d = f.value |
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241 d, output = d.split('\n', 1) |
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242 try: |
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243 d = bool(int(d)) |
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244 except ValueError: |
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245 raise error.ResponseError( |
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246 _('push failed (unexpected response):'), d) |
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247 for l in output.splitlines(True): |
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248 self.ui.status(_('remote: '), l) |
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249 yield d |
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250 |
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251 @batchable |
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252 def listkeys(self, namespace): |
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253 if not self.capable('pushkey'): |
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254 yield {}, None |
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255 f = future() |
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256 self.ui.debug('preparing listkeys for "%s"\n' % namespace) |
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257 yield {'namespace': encoding.fromlocal(namespace)}, f |
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258 d = f.value |
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259 r = {} |
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260 for l in d.splitlines(): |
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261 k, v = l.split('\t') |
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263 yield r |
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264 |
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265 def stream_out(self): |
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266 return self._callstream('stream_out') |
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267 |
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268 def changegroup(self, nodes, kind): |
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269 n = encodelist(nodes) |
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270 f = self._callstream("changegroup", roots=n) |
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271 return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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272 |
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273 def changegroupsubset(self, bases, heads, kind): |
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274 self.requirecap('changegroupsubset', _('look up remote changes')) |
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275 bases = encodelist(bases) |
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276 heads = encodelist(heads) |
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277 f = self._callstream("changegroupsubset", |
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278 bases=bases, heads=heads) |
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279 return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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280 |
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281 def getbundle(self, source, heads=None, common=None, bundlecaps=None): |
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282 self.requirecap('getbundle', _('look up remote changes')) |
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283 opts = {} |
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284 if heads is not None: |
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285 opts['heads'] = encodelist(heads) |
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286 if common is not None: |
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287 opts['common'] = encodelist(common) |
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288 if bundlecaps is not None: |
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289 opts['bundlecaps'] = ','.join(bundlecaps) |
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290 f = self._callstream("getbundle", **opts) |
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291 return changegroupmod.unbundle10(self._decompress(f), 'UN') |
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292 |
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293 def unbundle(self, cg, heads, source): |
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294 '''Send cg (a readable file-like object representing the |
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295 changegroup to push, typically a chunkbuffer object) to the |
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296 remote server as a bundle. Return an integer indicating the |
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297 result of the push (see localrepository.addchangegroup()).''' |
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298 |
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299 if heads != ['force'] and self.capable('unbundlehash'): |
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300 heads = encodelist(['hashed', |
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301 util.sha1(''.join(sorted(heads))).digest()]) |
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302 else: |
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303 heads = encodelist(heads) |
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304 |
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305 ret, output = self._callpush("unbundle", cg, heads=heads) |
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306 if ret == "": |
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307 raise error.ResponseError( |
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308 _('push failed:'), output) |
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309 try: |
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310 ret = int(ret) |
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311 except ValueError: |
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312 raise error.ResponseError( |
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313 _('push failed (unexpected response):'), ret) |
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314 |
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315 for l in output.splitlines(True): |
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316 self.ui.status(_('remote: '), l) |
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317 return ret |
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318 |
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319 def debugwireargs(self, one, two, three=None, four=None, five=None): |
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320 # don't pass optional arguments left at their default value |
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321 opts = {} |
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322 if three is not None: |
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323 opts['three'] = three |
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324 if four is not None: |
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325 opts['four'] = four |
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326 return self._call('debugwireargs', one=one, two=two, **opts) |
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327 |
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328 # server side |
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329 |
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330 class streamres(object): |
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331 def __init__(self, gen): |
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332 self.gen = gen |
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333 |
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334 class pushres(object): |
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335 def __init__(self, res): |
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336 self.res = res |
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337 |
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338 class pusherr(object): |
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339 def __init__(self, res): |
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340 self.res = res |
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341 |
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342 class ooberror(object): |
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343 def __init__(self, message): |
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344 self.message = message |
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345 |
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346 def dispatch(repo, proto, command): |
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347 repo = repo.filtered("served") |
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348 func, spec = commands[command] |
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349 args = proto.getargs(spec) |
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350 return func(repo, proto, *args) |
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351 |
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352 def options(cmd, keys, others): |
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353 opts = {} |
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354 for k in keys: |
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355 if k in others: |
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356 opts[k] = others[k] |
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357 del others[k] |
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358 if others: |
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359 sys.stderr.write("abort: %s got unexpected arguments %s\n" |
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360 % (cmd, ",".join(others))) |
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361 return opts |
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362 |
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363 def batch(repo, proto, cmds, others): |
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364 repo = repo.filtered("served") |
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365 res = [] |
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366 for pair in cmds.split(';'): |
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367 op, args = pair.split(' ', 1) |
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368 vals = {} |
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369 for a in args.split(','): |
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370 if a: |
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371 n, v = a.split('=') |
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372 vals[n] = unescapearg(v) |
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373 func, spec = commands[op] |
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374 if spec: |
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375 keys = spec.split() |
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376 data = {} |
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377 for k in keys: |
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378 if k == '*': |
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379 star = {} |
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380 for key in vals.keys(): |
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381 if key not in keys: |
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382 star[key] = vals[key] |
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383 data['*'] = star |
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384 else: |
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385 data[k] = vals[k] |
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386 result = func(repo, proto, *[data[k] for k in keys]) |
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387 else: |
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388 result = func(repo, proto) |
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389 if isinstance(result, ooberror): |
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390 return result |
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391 res.append(escapearg(result)) |
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392 return ';'.join(res) |
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393 |
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394 def between(repo, proto, pairs): |
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395 pairs = [decodelist(p, '-') for p in pairs.split(" ")] |
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396 r = [] |
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397 for b in repo.between(pairs): |
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398 r.append(encodelist(b) + "\n") |
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399 return "".join(r) |
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400 |
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401 def branchmap(repo, proto): |
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402 branchmap = repo.branchmap() |
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403 heads = [] |
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404 for branch, nodes in branchmap.iteritems(): |
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405 branchname = urllib.quote(encoding.fromlocal(branch)) |
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406 branchnodes = encodelist(nodes) |
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407 heads.append('%s %s' % (branchname, branchnodes)) |
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408 return '\n'.join(heads) |
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409 |
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410 def branches(repo, proto, nodes): |
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411 nodes = decodelist(nodes) |
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412 r = [] |
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413 for b in repo.branches(nodes): |
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414 r.append(encodelist(b) + "\n") |
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415 return "".join(r) |
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416 |
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417 |
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418 wireprotocaps = ['lookup', 'changegroupsubset', 'branchmap', 'pushkey', |
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419 'known', 'getbundle', 'unbundlehash', 'batch'] |
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420 |
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421 def _capabilities(repo, proto): |
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422 """return a list of capabilities for a repo |
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423 |
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424 This function exists to allow extensions to easily wrap capabilities |
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425 computation |
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426 |
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427 - returns a lists: easy to alter |
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428 - change done here will be propagated to both `capabilities` and `hello` |
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429 command without any other effort. without any other action needed. |
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430 """ |
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431 # copy to prevent modification of the global list |
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432 caps = list(wireprotocaps) |
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433 if _allowstream(repo.ui): |
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434 if repo.ui.configbool('server', 'preferuncompressed', False): |
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435 caps.append('stream-preferred') |
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436 requiredformats = repo.requirements & repo.supportedformats |
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437 # if our local revlogs are just revlogv1, add 'stream' cap |
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438 if not requiredformats - set(('revlogv1',)): |
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439 caps.append('stream') |
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440 # otherwise, add 'streamreqs' detailing our local revlog format |
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441 else: |
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442 caps.append('streamreqs=%s' % ','.join(requiredformats)) |
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443 caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority)) |
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444 caps.append('httpheader=1024') |
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445 return caps |
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446 |
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447 # If you are writting and extension and consider wrapping this function. Wrap |
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448 # `_capabilities` instead. |
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449 def capabilities(repo, proto): |
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450 return ' '.join(_capabilities(repo, proto)) |
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451 |
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452 def changegroup(repo, proto, roots): |
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453 nodes = decodelist(roots) |
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454 cg = repo.changegroup(nodes, 'serve') |
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455 return streamres(proto.groupchunks(cg)) |
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456 |
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457 def changegroupsubset(repo, proto, bases, heads): |
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458 bases = decodelist(bases) |
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459 heads = decodelist(heads) |
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460 cg = repo.changegroupsubset(bases, heads, 'serve') |
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461 return streamres(proto.groupchunks(cg)) |
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462 |
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463 def debugwireargs(repo, proto, one, two, others): |
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464 # only accept optional args from the known set |
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changeset
|
465 opts = options('debugwireargs', ['three', 'four'], others) |
3458c15ab2f0
wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13720
diff
changeset
|
466 return repo.debugwireargs(one, two, **opts) |
13720
9c4e04fe267e
debug: add debugwireargs to test argument passing over the wire
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13450
diff
changeset
|
467 |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
468 def getbundle(repo, proto, others): |
19201
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19176
diff
changeset
|
469 opts = options('getbundle', ['heads', 'common', 'bundlecaps'], others) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
470 for k, v in opts.iteritems(): |
19201
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19176
diff
changeset
|
471 if k in ('heads', 'common'): |
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19176
diff
changeset
|
472 opts[k] = decodelist(v) |
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19176
diff
changeset
|
473 elif k == 'bundlecaps': |
309c439cdbaa
bundle-ng: add bundlecaps argument to getbundle() command
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
19176
diff
changeset
|
474 opts[k] = set(v.split(',')) |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
475 cg = repo.getbundle('serve', **opts) |
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
476 return streamres(proto.groupchunks(cg)) |
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
477 |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
478 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
|
479 h = repo.heads() |
11597
9141d2c9e5a5
wireproto: refactor list of nodeid encoding / decoding
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
11594
diff
changeset
|
480 return encodelist(h) + "\n" |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
481 |
11594
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
482 def hello(repo, proto): |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
483 '''the hello command returns a set of lines describing various |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
484 interesting things about the server, in an RFC822-like format. |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
485 Currently the only one defined is "capabilities", which |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
486 consists of a line in the form: |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
487 |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
488 capabilities: space separated list of tokens |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
489 ''' |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
490 return "capabilities: %s\n" % (capabilities(repo, proto)) |
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
491 |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
492 def listkeys(repo, proto, namespace): |
15217
42d0d4f63bf0
wireproto: do not call pushkey module directly (issue3041)
Andreas Freimuth <andreas.freimuth@united-bits.de>
parents:
15017
diff
changeset
|
493 d = repo.listkeys(encoding.tolocal(namespace)).items() |
13050 | 494 t = '\n'.join(['%s\t%s' % (encoding.fromlocal(k), encoding.fromlocal(v)) |
495 for k, v in d]) | |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
496 return t |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
497 |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
498 def lookup(repo, proto, key): |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
499 try: |
15925
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
500 k = encoding.tolocal(key) |
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
501 c = repo[k] |
f9fc46698352
wireproto: refuse to lookup secret csets
Matt Mackall <mpm@selenic.com>
parents:
15713
diff
changeset
|
502 r = c.hex() |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
503 success = 1 |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
504 except Exception, inst: |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
505 r = str(inst) |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
506 success = 0 |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
507 return "%s %s\n" % (success, r) |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
508 |
14436
5adb52524779
wireproto: enable optional args for known() for future extensibility
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14419
diff
changeset
|
509 def known(repo, proto, nodes, others): |
13723
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
510 return ''.join(b and "1" or "0" for b in repo.known(decodelist(nodes))) |
e615765fdcc7
wireproto: add known([id]) function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13722
diff
changeset
|
511 |
11583
944c23762c3c
protocol: add proto to method prototypes
Matt Mackall <mpm@selenic.com>
parents:
11581
diff
changeset
|
512 def pushkey(repo, proto, namespace, key, old, new): |
13050 | 513 # compatibility with pre-1.8 clients which were accidentally |
514 # sending raw binary nodes rather than utf-8-encoded hex | |
515 if len(new) == 20 and new.encode('string-escape') != new: | |
516 # looks like it could be a binary node | |
517 try: | |
14064
e4bfb9c337f3
remove unused imports and variables
Alexander Solovyov <alexander@solovyov.net>
parents:
14048
diff
changeset
|
518 new.decode('utf-8') |
13050 | 519 new = encoding.tolocal(new) # but cleanly decodes as UTF-8 |
520 except UnicodeDecodeError: | |
521 pass # binary, leave unmodified | |
522 else: | |
523 new = encoding.tolocal(new) # normal path | |
524 | |
17793
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
525 if util.safehasattr(proto, 'restore'): |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
526 |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
527 proto.redirect() |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
528 |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
529 try: |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
530 r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key), |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
531 encoding.tolocal(old), new) or False |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
532 except util.Abort: |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
533 r = False |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
534 |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
535 output = proto.restore() |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
536 |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
537 return '%s\n%s' % (int(r), output) |
8474be4412ca
wireproto: fix pushkey hook failure and output on remote http repo
Wagner Bruna <wbruna@softwareexpress.com.br>
parents:
17603
diff
changeset
|
538 |
15217
42d0d4f63bf0
wireproto: do not call pushkey module directly (issue3041)
Andreas Freimuth <andreas.freimuth@united-bits.de>
parents:
15017
diff
changeset
|
539 r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key), |
42d0d4f63bf0
wireproto: do not call pushkey module directly (issue3041)
Andreas Freimuth <andreas.freimuth@united-bits.de>
parents:
15017
diff
changeset
|
540 encoding.tolocal(old), new) |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
541 return '%s\n' % int(r) |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
542 |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
543 def _allowstream(ui): |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
544 return ui.configbool('server', 'uncompressed', True, untrusted=True) |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
545 |
19176
aae14b3d0a9c
clone: move file stream walk to a separate function
Durham Goode <durham@fb.com>
parents:
18957
diff
changeset
|
546 def _walkstreamfiles(repo): |
aae14b3d0a9c
clone: move file stream walk to a separate function
Durham Goode <durham@fb.com>
parents:
18957
diff
changeset
|
547 # this is it's own function so extensions can override it |
aae14b3d0a9c
clone: move file stream walk to a separate function
Durham Goode <durham@fb.com>
parents:
18957
diff
changeset
|
548 return repo.store.walk() |
aae14b3d0a9c
clone: move file stream walk to a separate function
Durham Goode <durham@fb.com>
parents:
18957
diff
changeset
|
549 |
11585
5d907fbb9703
protocol: unify stream_out command
Matt Mackall <mpm@selenic.com>
parents:
11584
diff
changeset
|
550 def stream(repo, proto): |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
551 '''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
|
552 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
|
553 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
|
554 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
555 The format is simple: the server writes out a line with the amount |
17424
e7cfe3587ea4
fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents:
17293
diff
changeset
|
556 of files, then the total amount of bytes to be transferred (separated |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
557 by a space). Then, for each file, the server first writes the filename |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
558 and filesize (separated by the null character), then the file contents. |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
559 ''' |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
560 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
561 if not _allowstream(repo.ui): |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
562 return '1\n' |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
563 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
564 entries = [] |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
565 total_bytes = 0 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
566 try: |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
567 # get consistent snapshot of repo, lock during scan |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
568 lock = repo.lock() |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
569 try: |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
570 repo.ui.debug('scanning\n') |
19176
aae14b3d0a9c
clone: move file stream walk to a separate function
Durham Goode <durham@fb.com>
parents:
18957
diff
changeset
|
571 for name, ename, size in _walkstreamfiles(repo): |
18381
7ac4449f0f39
clone: don't include empty revlogs in stream
Mads Kiilerich <madski@unity3d.com>
parents:
18281
diff
changeset
|
572 if size: |
7ac4449f0f39
clone: don't include empty revlogs in stream
Mads Kiilerich <madski@unity3d.com>
parents:
18281
diff
changeset
|
573 entries.append((name, size)) |
7ac4449f0f39
clone: don't include empty revlogs in stream
Mads Kiilerich <madski@unity3d.com>
parents:
18281
diff
changeset
|
574 total_bytes += size |
11627
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
575 finally: |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
576 lock.release() |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
577 except error.LockError: |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
578 return '2\n' # error: 2 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
579 |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
580 def streamer(repo, entries, total): |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
581 '''stream out all metadata files in repository.''' |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
582 yield '0\n' # success |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
583 repo.ui.debug('%d files, %d bytes to transfer\n' % |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
584 (len(entries), total_bytes)) |
04f76a954842
protocol: move the streamclone implementation into wireproto
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
11625
diff
changeset
|
585 yield '%d %d\n' % (len(entries), total_bytes) |
17556
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
586 |
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
587 sopener = repo.sopener |
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
588 oldaudit = sopener.mustaudit |
17558
380a89413403
wireproto: don't format a debug string inside a hot loop
Bryan O'Sullivan <bryano@fb.com>
parents:
17557
diff
changeset
|
589 debugflag = repo.ui.debugflag |
17556
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
590 sopener.mustaudit = False |
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
591 |
39c6e349dfff
wireproto: don't audit local paths during stream_out
Bryan O'Sullivan <bryano@fb.com>
parents:
17424
diff
changeset
|
592 try: |
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Bryan O'Sullivan <bryano@fb.com>
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593 for name, size in entries: |
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wireproto: don't format a debug string inside a hot loop
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594 if debugflag: |
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595 repo.ui.debug('sending %s (%d bytes)\n' % (name, size)) |
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596 # partially encode name over the wire for backwards compat |
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597 yield '%s\0%d\n' % (store.encodedir(name), size) |
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598 if size <= 65536: |
17567
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599 fp = sopener(name) |
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600 try: |
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601 data = fp.read(size) |
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602 finally: |
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Patrick Mezard <patrick@mezard.eu>
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17558
diff
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603 fp.close() |
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604 yield data |
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Bryan O'Sullivan <bryano@fb.com>
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605 else: |
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606 for chunk in util.filechunkiter(sopener(name), limit=size): |
6d97dd630d79
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607 yield chunk |
17603
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wireproto: workaround for yield inside try/finally incompatible with python2.4
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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608 # replace with "finally:" when support for python 2.4 has been dropped |
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609 except Exception: |
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610 sopener.mustaudit = oldaudit |
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611 raise |
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612 sopener.mustaudit = oldaudit |
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
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613 |
04f76a954842
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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diff
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614 return streamres(streamer(repo, entries, total_bytes)) |
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615 |
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616 def unbundle(repo, proto, heads): |
11597
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617 their_heads = decodelist(heads) |
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618 |
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619 def check_heads(): |
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620 heads = repo.heads() |
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wireproto: allow unbundle with hashed heads parameter (issue2126)
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621 heads_hash = util.sha1(''.join(sorted(heads))).digest() |
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622 return (their_heads == ['force'] or their_heads == heads or |
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623 their_heads == ['hashed', heads_hash]) |
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624 |
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wireproto: redirect the output earlier
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625 proto.redirect() |
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626 |
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627 # fail early if possible |
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628 if not check_heads(): |
18957
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wireproto: clarify cryptic 'remote: unsynced changes' error message on push
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parents:
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diff
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629 return pusherr('repository changed while preparing changes - ' |
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630 'please try again') |
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631 |
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632 # write bundle data to temporary file because it can be big |
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633 fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-') |
d054cc5c7737
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634 fp = os.fdopen(fd, 'wb+') |
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diff
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635 r = 0 |
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636 try: |
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637 proto.getfile(fp) |
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638 lock = repo.lock() |
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639 try: |
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640 if not check_heads(): |
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641 # someone else committed/pushed/unbundled while we |
d054cc5c7737
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|
642 # were transferring data |
18957
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
643 return pusherr('repository changed while uploading changes - ' |
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Mads Kiilerich <madski@unity3d.com>
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|
644 'please try again') |
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645 |
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646 # push can proceed |
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|
647 fp.seek(0) |
12042
210049a8d16e
bundle: unify/refactor unbundle/readbundle
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
648 gen = changegroupmod.readbundle(fp, None) |
11593
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diff
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|
649 |
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parents:
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diff
changeset
|
650 try: |
15585
a348739da8f0
addchangegroup: remove the lock argument on the addchangegroup methods
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
15217
diff
changeset
|
651 r = repo.addchangegroup(gen, 'serve', proto._client()) |
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parents:
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652 except util.Abort, inst: |
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653 sys.stderr.write("abort: %s\n" % inst) |
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654 finally: |
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|
655 lock.release() |
12701
cb9e1d1c34ea
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parents:
12337
diff
changeset
|
656 return pushres(r) |
11593
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parents:
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diff
changeset
|
657 |
d054cc5c7737
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diff
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|
658 finally: |
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|
659 fp.close() |
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|
660 os.unlink(tempname) |
d054cc5c7737
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diff
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|
661 |
11581
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
662 commands = { |
14622
bd88561afb4b
wireproto: add batching support to wirerepository
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14621
diff
changeset
|
663 'batch': (batch, 'cmds *'), |
11581
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parents:
diff
changeset
|
664 'between': (between, 'pairs'), |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
665 'branchmap': (branchmap, ''), |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
666 'branches': (branches, 'nodes'), |
11594
67863f9d805f
protocol: unify server-side capabilities functions
Matt Mackall <mpm@selenic.com>
parents:
11593
diff
changeset
|
667 'capabilities': (capabilities, ''), |
11584
1af96b090116
protocol: unify changegroup commands
Matt Mackall <mpm@selenic.com>
parents:
11583
diff
changeset
|
668 'changegroup': (changegroup, 'roots'), |
1af96b090116
protocol: unify changegroup commands
Matt Mackall <mpm@selenic.com>
parents:
11583
diff
changeset
|
669 'changegroupsubset': (changegroupsubset, 'bases heads'), |
13721
3458c15ab2f0
wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13720
diff
changeset
|
670 'debugwireargs': (debugwireargs, 'one two *'), |
13741
b51bf961b3cb
wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
13726
diff
changeset
|
671 'getbundle': (getbundle, '*'), |
11581
4530b3307fb9
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
672 'heads': (heads, ''), |
11594
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parents:
11593
diff
changeset
|
673 'hello': (hello, ''), |
14436
5adb52524779
wireproto: enable optional args for known() for future extensibility
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents:
14419
diff
changeset
|
674 'known': (known, 'nodes *'), |
11581
4530b3307fb9
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Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
675 'listkeys': (listkeys, 'namespace'), |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
676 'lookup': (lookup, 'key'), |
4530b3307fb9
protocol: introduce wireproto.py
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
|
677 'pushkey': (pushkey, 'namespace key old new'), |
11585
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parents:
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diff
changeset
|
678 'stream_out': (stream, ''), |
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|
679 'unbundle': (unbundle, 'heads'), |
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parents:
diff
changeset
|
680 } |