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@@ -1,1002 +1,1006 b'' | |||
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1 | 1 | # httppeer.py - HTTP repository proxy classes for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 | 5 | # |
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6 | 6 | # This software may be used and distributed according to the terms of the |
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7 | 7 | # GNU General Public License version 2 or any later version. |
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8 | 8 | |
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9 | 9 | from __future__ import absolute_import |
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10 | 10 | |
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11 | 11 | import errno |
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12 | 12 | import io |
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13 | 13 | import os |
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14 | 14 | import socket |
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15 | 15 | import struct |
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16 | 16 | import weakref |
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17 | 17 | |
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18 | 18 | from .i18n import _ |
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19 | 19 | from . import ( |
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20 | 20 | bundle2, |
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21 | 21 | error, |
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22 | 22 | httpconnection, |
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23 | 23 | pycompat, |
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24 | 24 | repository, |
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25 | 25 | statichttprepo, |
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26 | 26 | url as urlmod, |
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27 | 27 | util, |
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28 | 28 | wireprotoframing, |
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29 | 29 | wireprototypes, |
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30 | 30 | wireprotov1peer, |
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31 | 31 | wireprotov2peer, |
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32 | 32 | wireprotov2server, |
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33 | 33 | ) |
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34 | 34 | from .utils import ( |
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35 | 35 | cborutil, |
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36 | 36 | interfaceutil, |
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37 | 37 | stringutil, |
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38 | 38 | ) |
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39 | 39 | |
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40 | 40 | httplib = util.httplib |
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41 | 41 | urlerr = util.urlerr |
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42 | 42 | urlreq = util.urlreq |
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43 | 43 | |
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44 | 44 | def encodevalueinheaders(value, header, limit): |
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45 | 45 | """Encode a string value into multiple HTTP headers. |
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46 | 46 | |
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47 | 47 | ``value`` will be encoded into 1 or more HTTP headers with the names |
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48 | 48 | ``header-<N>`` where ``<N>`` is an integer starting at 1. Each header |
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49 | 49 | name + value will be at most ``limit`` bytes long. |
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50 | 50 | |
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51 | 51 | Returns an iterable of 2-tuples consisting of header names and |
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52 | 52 | values as native strings. |
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53 | 53 | """ |
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54 | 54 | # HTTP Headers are ASCII. Python 3 requires them to be unicodes, |
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55 | 55 | # not bytes. This function always takes bytes in as arguments. |
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56 | 56 | fmt = pycompat.strurl(header) + r'-%s' |
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57 | 57 | # Note: it is *NOT* a bug that the last bit here is a bytestring |
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58 | 58 | # and not a unicode: we're just getting the encoded length anyway, |
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59 | 59 | # and using an r-string to make it portable between Python 2 and 3 |
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60 | 60 | # doesn't work because then the \r is a literal backslash-r |
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61 | 61 | # instead of a carriage return. |
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62 | 62 | valuelen = limit - len(fmt % r'000') - len(': \r\n') |
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63 | 63 | result = [] |
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64 | 64 | |
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65 | 65 | n = 0 |
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66 | 66 | for i in pycompat.xrange(0, len(value), valuelen): |
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67 | 67 | n += 1 |
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68 | 68 | result.append((fmt % str(n), pycompat.strurl(value[i:i + valuelen]))) |
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69 | 69 | |
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70 | 70 | return result |
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71 | 71 | |
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72 | 72 | def _wraphttpresponse(resp): |
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73 | 73 | """Wrap an HTTPResponse with common error handlers. |
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74 | 74 | |
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75 | 75 | This ensures that any I/O from any consumer raises the appropriate |
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76 | 76 | error and messaging. |
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77 | 77 | """ |
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78 | 78 | origread = resp.read |
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79 | 79 | |
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80 | 80 | class readerproxy(resp.__class__): |
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81 | 81 | def read(self, size=None): |
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82 | 82 | try: |
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83 | 83 | return origread(size) |
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84 | 84 | except httplib.IncompleteRead as e: |
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85 | 85 | # e.expected is an integer if length known or None otherwise. |
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86 | 86 | if e.expected: |
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87 | 87 | got = len(e.partial) |
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88 | 88 | total = e.expected + got |
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89 | 89 | msg = _('HTTP request error (incomplete response; ' |
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90 | 90 | 'expected %d bytes got %d)') % (total, got) |
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91 | 91 | else: |
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92 | 92 | msg = _('HTTP request error (incomplete response)') |
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93 | 93 | |
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94 | 94 | raise error.PeerTransportError( |
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95 | 95 | msg, |
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96 | 96 | hint=_('this may be an intermittent network failure; ' |
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97 | 97 | 'if the error persists, consider contacting the ' |
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98 | 98 | 'network or server operator')) |
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99 | 99 | except httplib.HTTPException as e: |
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100 | 100 | raise error.PeerTransportError( |
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101 | 101 | _('HTTP request error (%s)') % e, |
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102 | 102 | hint=_('this may be an intermittent network failure; ' |
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103 | 103 | 'if the error persists, consider contacting the ' |
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104 | 104 | 'network or server operator')) |
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105 | 105 | |
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106 | 106 | resp.__class__ = readerproxy |
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107 | 107 | |
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108 | 108 | class _multifile(object): |
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109 | 109 | def __init__(self, *fileobjs): |
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110 | 110 | for f in fileobjs: |
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111 | 111 | if not util.safehasattr(f, 'length'): |
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112 | 112 | raise ValueError( |
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113 | 113 | '_multifile only supports file objects that ' |
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114 | 114 | 'have a length but this one does not:', type(f), f) |
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115 | 115 | self._fileobjs = fileobjs |
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116 | 116 | self._index = 0 |
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117 | 117 | |
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118 | 118 | @property |
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119 | 119 | def length(self): |
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120 | 120 | return sum(f.length for f in self._fileobjs) |
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121 | 121 | |
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122 | 122 | def read(self, amt=None): |
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123 | 123 | if amt <= 0: |
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124 | 124 | return ''.join(f.read() for f in self._fileobjs) |
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125 | 125 | parts = [] |
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126 | 126 | while amt and self._index < len(self._fileobjs): |
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127 | 127 | parts.append(self._fileobjs[self._index].read(amt)) |
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128 | 128 | got = len(parts[-1]) |
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129 | 129 | if got < amt: |
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130 | 130 | self._index += 1 |
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131 | 131 | amt -= got |
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132 | 132 | return ''.join(parts) |
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133 | 133 | |
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134 | 134 | def seek(self, offset, whence=os.SEEK_SET): |
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135 | 135 | if whence != os.SEEK_SET: |
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136 | 136 | raise NotImplementedError( |
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137 | 137 | '_multifile does not support anything other' |
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138 | 138 | ' than os.SEEK_SET for whence on seek()') |
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139 | 139 | if offset != 0: |
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140 | 140 | raise NotImplementedError( |
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141 | 141 | '_multifile only supports seeking to start, but that ' |
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142 | 142 | 'could be fixed if you need it') |
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143 | 143 | for f in self._fileobjs: |
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144 | 144 | f.seek(0) |
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145 | 145 | self._index = 0 |
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146 | 146 | |
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147 | 147 | def makev1commandrequest(ui, requestbuilder, caps, capablefn, |
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148 | 148 | repobaseurl, cmd, args): |
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149 | 149 | """Make an HTTP request to run a command for a version 1 client. |
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150 | 150 | |
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151 | 151 | ``caps`` is a set of known server capabilities. The value may be |
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152 | 152 | None if capabilities are not yet known. |
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153 | 153 | |
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154 | 154 | ``capablefn`` is a function to evaluate a capability. |
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155 | 155 | |
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156 | 156 | ``cmd``, ``args``, and ``data`` define the command, its arguments, and |
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157 | 157 | raw data to pass to it. |
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158 | 158 | """ |
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159 | 159 | if cmd == 'pushkey': |
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160 | 160 | args['data'] = '' |
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161 | 161 | data = args.pop('data', None) |
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162 | 162 | headers = args.pop('headers', {}) |
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163 | 163 | |
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164 | 164 | ui.debug("sending %s command\n" % cmd) |
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165 | 165 | q = [('cmd', cmd)] |
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166 | 166 | headersize = 0 |
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167 | 167 | # Important: don't use self.capable() here or else you end up |
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168 | 168 | # with infinite recursion when trying to look up capabilities |
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169 | 169 | # for the first time. |
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170 | 170 | postargsok = caps is not None and 'httppostargs' in caps |
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171 | 171 | |
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172 | 172 | # Send arguments via POST. |
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173 | 173 | if postargsok and args: |
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174 | 174 | strargs = urlreq.urlencode(sorted(args.items())) |
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175 | 175 | if not data: |
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176 | 176 | data = strargs |
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177 | 177 | else: |
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178 | 178 | if isinstance(data, bytes): |
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179 | 179 | i = io.BytesIO(data) |
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180 | 180 | i.length = len(data) |
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181 | 181 | data = i |
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182 | 182 | argsio = io.BytesIO(strargs) |
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183 | 183 | argsio.length = len(strargs) |
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184 | 184 | data = _multifile(argsio, data) |
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185 | 185 | headers[r'X-HgArgs-Post'] = len(strargs) |
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186 | 186 | elif args: |
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187 | 187 | # Calling self.capable() can infinite loop if we are calling |
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188 | 188 | # "capabilities". But that command should never accept wire |
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189 | 189 | # protocol arguments. So this should never happen. |
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190 | 190 | assert cmd != 'capabilities' |
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191 | 191 | httpheader = capablefn('httpheader') |
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192 | 192 | if httpheader: |
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193 | 193 | headersize = int(httpheader.split(',', 1)[0]) |
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194 | 194 | |
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195 | 195 | # Send arguments via HTTP headers. |
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196 | 196 | if headersize > 0: |
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197 | 197 | # The headers can typically carry more data than the URL. |
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198 | 198 | encargs = urlreq.urlencode(sorted(args.items())) |
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199 | 199 | for header, value in encodevalueinheaders(encargs, 'X-HgArg', |
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200 | 200 | headersize): |
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201 | 201 | headers[header] = value |
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202 | 202 | # Send arguments via query string (Mercurial <1.9). |
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203 | 203 | else: |
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204 | 204 | q += sorted(args.items()) |
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205 | 205 | |
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206 | 206 | qs = '?%s' % urlreq.urlencode(q) |
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207 | 207 | cu = "%s%s" % (repobaseurl, qs) |
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208 | 208 | size = 0 |
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209 | 209 | if util.safehasattr(data, 'length'): |
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210 | 210 | size = data.length |
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211 | 211 | elif data is not None: |
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212 | 212 | size = len(data) |
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213 | 213 | if data is not None and r'Content-Type' not in headers: |
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214 | 214 | headers[r'Content-Type'] = r'application/mercurial-0.1' |
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215 | 215 | |
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216 | 216 | # Tell the server we accept application/mercurial-0.2 and multiple |
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217 | 217 | # compression formats if the server is capable of emitting those |
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218 | 218 | # payloads. |
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219 | 219 | # Note: Keep this set empty by default, as client advertisement of |
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220 | 220 | # protocol parameters should only occur after the handshake. |
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221 | 221 | protoparams = set() |
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222 | 222 | |
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223 | 223 | mediatypes = set() |
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224 | 224 | if caps is not None: |
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225 | 225 | mt = capablefn('httpmediatype') |
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226 | 226 | if mt: |
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227 | 227 | protoparams.add('0.1') |
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228 | 228 | mediatypes = set(mt.split(',')) |
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229 | 229 | |
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230 | 230 | protoparams.add('partial-pull') |
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231 | 231 | |
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232 | 232 | if '0.2tx' in mediatypes: |
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233 | 233 | protoparams.add('0.2') |
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234 | 234 | |
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235 | 235 | if '0.2tx' in mediatypes and capablefn('compression'): |
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236 | 236 | # We /could/ compare supported compression formats and prune |
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237 | 237 | # non-mutually supported or error if nothing is mutually supported. |
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238 | 238 | # For now, send the full list to the server and have it error. |
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239 | 239 | comps = [e.wireprotosupport().name for e in |
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240 | 240 | util.compengines.supportedwireengines(util.CLIENTROLE)] |
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241 | 241 | protoparams.add('comp=%s' % ','.join(comps)) |
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242 | 242 | |
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243 | 243 | if protoparams: |
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244 | 244 | protoheaders = encodevalueinheaders(' '.join(sorted(protoparams)), |
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245 | 245 | 'X-HgProto', |
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246 | 246 | headersize or 1024) |
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247 | 247 | for header, value in protoheaders: |
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248 | 248 | headers[header] = value |
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249 | 249 | |
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250 | 250 | varyheaders = [] |
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251 | 251 | for header in headers: |
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252 | 252 | if header.lower().startswith(r'x-hg'): |
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253 | 253 | varyheaders.append(header) |
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254 | 254 | |
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255 | 255 | if varyheaders: |
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256 | 256 | headers[r'Vary'] = r','.join(sorted(varyheaders)) |
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257 | 257 | |
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258 | 258 | req = requestbuilder(pycompat.strurl(cu), data, headers) |
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259 | 259 | |
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260 | 260 | if data is not None: |
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261 | 261 | ui.debug("sending %d bytes\n" % size) |
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262 | 262 | req.add_unredirected_header(r'Content-Length', r'%d' % size) |
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263 | 263 | |
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264 | 264 | return req, cu, qs |
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265 | 265 | |
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266 | 266 | def _reqdata(req): |
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267 | 267 | """Get request data, if any. If no data, returns None.""" |
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268 | 268 | if pycompat.ispy3: |
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269 | 269 | return req.data |
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270 | 270 | if not req.has_data(): |
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271 | 271 | return None |
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272 | 272 | return req.get_data() |
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273 | 273 | |
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274 | 274 | def sendrequest(ui, opener, req): |
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275 | 275 | """Send a prepared HTTP request. |
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276 | 276 | |
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277 | 277 | Returns the response object. |
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278 | 278 | """ |
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279 | 279 | dbg = ui.debug |
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280 | 280 | if (ui.debugflag |
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281 | 281 | and ui.configbool('devel', 'debug.peer-request')): |
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282 | 282 | line = 'devel-peer-request: %s\n' |
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283 | 283 | dbg(line % '%s %s' % (pycompat.bytesurl(req.get_method()), |
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284 | 284 | pycompat.bytesurl(req.get_full_url()))) |
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285 | 285 | hgargssize = None |
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286 | 286 | |
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287 | 287 | for header, value in sorted(req.header_items()): |
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288 | 288 | header = pycompat.bytesurl(header) |
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289 | 289 | value = pycompat.bytesurl(value) |
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290 | 290 | if header.startswith('X-hgarg-'): |
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291 | 291 | if hgargssize is None: |
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292 | 292 | hgargssize = 0 |
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293 | 293 | hgargssize += len(value) |
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294 | 294 | else: |
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295 | 295 | dbg(line % ' %s %s' % (header, value)) |
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296 | 296 | |
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297 | 297 | if hgargssize is not None: |
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298 | 298 | dbg(line % ' %d bytes of commands arguments in headers' |
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299 | 299 | % hgargssize) |
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300 | 300 | data = _reqdata(req) |
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301 | 301 | if data is not None: |
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302 | 302 | length = getattr(data, 'length', None) |
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303 | 303 | if length is None: |
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304 | 304 | length = len(data) |
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305 | 305 | dbg(line % ' %d bytes of data' % length) |
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306 | 306 | |
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307 | 307 | start = util.timer() |
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308 | 308 | |
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309 | 309 | res = None |
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310 | 310 | try: |
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311 | 311 | res = opener.open(req) |
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312 | 312 | except urlerr.httperror as inst: |
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313 | 313 | if inst.code == 401: |
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314 | 314 | raise error.Abort(_('authorization failed')) |
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315 | 315 | raise |
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316 | 316 | except httplib.HTTPException as inst: |
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317 | 317 | ui.debug('http error requesting %s\n' % |
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318 | 318 | util.hidepassword(req.get_full_url())) |
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319 | 319 | ui.traceback() |
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320 | 320 | raise IOError(None, inst) |
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321 | 321 | finally: |
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322 | 322 | if ui.debugflag and ui.configbool('devel', 'debug.peer-request'): |
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323 | 323 | code = res.code if res else -1 |
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324 | 324 | dbg(line % ' finished in %.4f seconds (%d)' |
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325 | 325 | % (util.timer() - start, code)) |
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326 | 326 | |
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327 | 327 | # Insert error handlers for common I/O failures. |
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328 | 328 | _wraphttpresponse(res) |
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329 | 329 | |
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330 | 330 | return res |
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331 | 331 | |
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332 | 332 | class RedirectedRepoError(error.RepoError): |
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333 | 333 | def __init__(self, msg, respurl): |
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334 | 334 | super(RedirectedRepoError, self).__init__(msg) |
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335 | 335 | self.respurl = respurl |
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336 | 336 | |
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337 | 337 | def parsev1commandresponse(ui, baseurl, requrl, qs, resp, compressible, |
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338 | 338 | allowcbor=False): |
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339 | 339 | # record the url we got redirected to |
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340 | 340 | redirected = False |
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341 | 341 | respurl = pycompat.bytesurl(resp.geturl()) |
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342 | 342 | if respurl.endswith(qs): |
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343 | 343 | respurl = respurl[:-len(qs)] |
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344 | 344 | qsdropped = False |
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345 | 345 | else: |
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346 | 346 | qsdropped = True |
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347 | 347 | |
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348 | 348 | if baseurl.rstrip('/') != respurl.rstrip('/'): |
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349 | 349 | redirected = True |
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350 | 350 | if not ui.quiet: |
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351 | 351 | ui.warn(_('real URL is %s\n') % respurl) |
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352 | 352 | |
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353 | 353 | try: |
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354 | 354 | proto = pycompat.bytesurl(resp.getheader(r'content-type', r'')) |
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355 | 355 | except AttributeError: |
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356 | 356 | proto = pycompat.bytesurl(resp.headers.get(r'content-type', r'')) |
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357 | 357 | |
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358 | 358 | safeurl = util.hidepassword(baseurl) |
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359 | 359 | if proto.startswith('application/hg-error'): |
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360 | 360 | raise error.OutOfBandError(resp.read()) |
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361 | 361 | |
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362 | 362 | # Pre 1.0 versions of Mercurial used text/plain and |
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363 | 363 | # application/hg-changegroup. We don't support such old servers. |
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364 | 364 | if not proto.startswith('application/mercurial-'): |
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365 | 365 | ui.debug("requested URL: '%s'\n" % util.hidepassword(requrl)) |
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366 | 366 | msg = _("'%s' does not appear to be an hg repository:\n" |
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367 | 367 | "---%%<--- (%s)\n%s\n---%%<---\n") % ( |
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368 | 368 | safeurl, proto or 'no content-type', resp.read(1024)) |
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369 | 369 | |
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370 | 370 | # Some servers may strip the query string from the redirect. We |
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371 | 371 | # raise a special error type so callers can react to this specially. |
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372 | 372 | if redirected and qsdropped: |
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373 | 373 | raise RedirectedRepoError(msg, respurl) |
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374 | 374 | else: |
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375 | 375 | raise error.RepoError(msg) |
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376 | 376 | |
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377 | 377 | try: |
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378 | 378 | subtype = proto.split('-', 1)[1] |
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379 | 379 | |
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380 | 380 | # Unless we end up supporting CBOR in the legacy wire protocol, |
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381 | 381 | # this should ONLY be encountered for the initial capabilities |
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382 | 382 | # request during handshake. |
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383 | 383 | if subtype == 'cbor': |
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384 | 384 | if allowcbor: |
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385 | 385 | return respurl, proto, resp |
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386 | 386 | else: |
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387 | 387 | raise error.RepoError(_('unexpected CBOR response from ' |
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388 | 388 | 'server')) |
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389 | 389 | |
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390 | 390 | version_info = tuple([int(n) for n in subtype.split('.')]) |
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391 | 391 | except ValueError: |
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392 | 392 | raise error.RepoError(_("'%s' sent a broken Content-Type " |
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393 | 393 | "header (%s)") % (safeurl, proto)) |
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394 | 394 | |
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395 | 395 | # TODO consider switching to a decompression reader that uses |
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396 | 396 | # generators. |
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397 | 397 | if version_info == (0, 1): |
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398 | 398 | if compressible: |
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399 | 399 | resp = util.compengines['zlib'].decompressorreader(resp) |
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400 | 400 | |
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401 | 401 | elif version_info == (0, 2): |
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402 | 402 | # application/mercurial-0.2 always identifies the compression |
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403 | 403 | # engine in the payload header. |
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404 | 404 | elen = struct.unpack('B', util.readexactly(resp, 1))[0] |
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405 | 405 | ename = util.readexactly(resp, elen) |
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406 | 406 | engine = util.compengines.forwiretype(ename) |
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407 | 407 | |
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408 | 408 | resp = engine.decompressorreader(resp) |
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409 | 409 | else: |
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410 | 410 | raise error.RepoError(_("'%s' uses newer protocol %s") % |
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411 | 411 | (safeurl, subtype)) |
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412 | 412 | |
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413 | 413 | return respurl, proto, resp |
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414 | 414 | |
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415 | 415 | class httppeer(wireprotov1peer.wirepeer): |
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416 | 416 | def __init__(self, ui, path, url, opener, requestbuilder, caps): |
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417 | 417 | self.ui = ui |
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418 | 418 | self._path = path |
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419 | 419 | self._url = url |
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420 | 420 | self._caps = caps |
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421 | 421 | self._urlopener = opener |
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422 | 422 | self._requestbuilder = requestbuilder |
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423 | 423 | |
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424 | 424 | def __del__(self): |
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425 | 425 | for h in self._urlopener.handlers: |
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426 | 426 | h.close() |
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427 | 427 | getattr(h, "close_all", lambda: None)() |
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428 | 428 | |
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429 | 429 | # Begin of ipeerconnection interface. |
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430 | 430 | |
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431 | 431 | def url(self): |
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432 | 432 | return self._path |
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433 | 433 | |
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434 | 434 | def local(self): |
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435 | 435 | return None |
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436 | 436 | |
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437 | 437 | def peer(self): |
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438 | 438 | return self |
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439 | 439 | |
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440 | 440 | def canpush(self): |
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441 | 441 | return True |
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442 | 442 | |
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443 | 443 | def close(self): |
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444 | 444 | pass |
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445 | 445 | |
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446 | 446 | # End of ipeerconnection interface. |
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447 | 447 | |
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448 | 448 | # Begin of ipeercommands interface. |
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449 | 449 | |
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450 | 450 | def capabilities(self): |
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451 | 451 | return self._caps |
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452 | 452 | |
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453 | 453 | # End of ipeercommands interface. |
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454 | 454 | |
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455 | 455 | def _callstream(self, cmd, _compressible=False, **args): |
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456 | 456 | args = pycompat.byteskwargs(args) |
|
457 | 457 | |
|
458 | 458 | req, cu, qs = makev1commandrequest(self.ui, self._requestbuilder, |
|
459 | 459 | self._caps, self.capable, |
|
460 | 460 | self._url, cmd, args) |
|
461 | 461 | |
|
462 | 462 | resp = sendrequest(self.ui, self._urlopener, req) |
|
463 | 463 | |
|
464 | 464 | self._url, ct, resp = parsev1commandresponse(self.ui, self._url, cu, qs, |
|
465 | 465 | resp, _compressible) |
|
466 | 466 | |
|
467 | 467 | return resp |
|
468 | 468 | |
|
469 | 469 | def _call(self, cmd, **args): |
|
470 | 470 | fp = self._callstream(cmd, **args) |
|
471 | 471 | try: |
|
472 | 472 | return fp.read() |
|
473 | 473 | finally: |
|
474 | 474 | # if using keepalive, allow connection to be reused |
|
475 | 475 | fp.close() |
|
476 | 476 | |
|
477 | 477 | def _callpush(self, cmd, cg, **args): |
|
478 | 478 | # have to stream bundle to a temp file because we do not have |
|
479 | 479 | # http 1.1 chunked transfer. |
|
480 | 480 | |
|
481 | 481 | types = self.capable('unbundle') |
|
482 | 482 | try: |
|
483 | 483 | types = types.split(',') |
|
484 | 484 | except AttributeError: |
|
485 | 485 | # servers older than d1b16a746db6 will send 'unbundle' as a |
|
486 | 486 | # boolean capability. They only support headerless/uncompressed |
|
487 | 487 | # bundles. |
|
488 | 488 | types = [""] |
|
489 | 489 | for x in types: |
|
490 | 490 | if x in bundle2.bundletypes: |
|
491 | 491 | type = x |
|
492 | 492 | break |
|
493 | 493 | |
|
494 | 494 | tempname = bundle2.writebundle(self.ui, cg, None, type) |
|
495 | 495 | fp = httpconnection.httpsendfile(self.ui, tempname, "rb") |
|
496 | 496 | headers = {r'Content-Type': r'application/mercurial-0.1'} |
|
497 | 497 | |
|
498 | 498 | try: |
|
499 | 499 | r = self._call(cmd, data=fp, headers=headers, **args) |
|
500 | 500 | vals = r.split('\n', 1) |
|
501 | 501 | if len(vals) < 2: |
|
502 | 502 | raise error.ResponseError(_("unexpected response:"), r) |
|
503 | 503 | return vals |
|
504 | 504 | except urlerr.httperror: |
|
505 | 505 | # Catch and re-raise these so we don't try and treat them |
|
506 | 506 | # like generic socket errors. They lack any values in |
|
507 | 507 | # .args on Python 3 which breaks our socket.error block. |
|
508 | 508 | raise |
|
509 | 509 | except socket.error as err: |
|
510 | 510 | if err.args[0] in (errno.ECONNRESET, errno.EPIPE): |
|
511 | 511 | raise error.Abort(_('push failed: %s') % err.args[1]) |
|
512 | 512 | raise error.Abort(err.args[1]) |
|
513 | 513 | finally: |
|
514 | 514 | fp.close() |
|
515 | 515 | os.unlink(tempname) |
|
516 | 516 | |
|
517 | 517 | def _calltwowaystream(self, cmd, fp, **args): |
|
518 | 518 | fh = None |
|
519 | 519 | fp_ = None |
|
520 | 520 | filename = None |
|
521 | 521 | try: |
|
522 | 522 | # dump bundle to disk |
|
523 | 523 | fd, filename = pycompat.mkstemp(prefix="hg-bundle-", suffix=".hg") |
|
524 | 524 | fh = os.fdopen(fd, r"wb") |
|
525 | 525 | d = fp.read(4096) |
|
526 | 526 | while d: |
|
527 | 527 | fh.write(d) |
|
528 | 528 | d = fp.read(4096) |
|
529 | 529 | fh.close() |
|
530 | 530 | # start http push |
|
531 | 531 | fp_ = httpconnection.httpsendfile(self.ui, filename, "rb") |
|
532 | 532 | headers = {r'Content-Type': r'application/mercurial-0.1'} |
|
533 | 533 | return self._callstream(cmd, data=fp_, headers=headers, **args) |
|
534 | 534 | finally: |
|
535 | 535 | if fp_ is not None: |
|
536 | 536 | fp_.close() |
|
537 | 537 | if fh is not None: |
|
538 | 538 | fh.close() |
|
539 | 539 | os.unlink(filename) |
|
540 | 540 | |
|
541 | 541 | def _callcompressable(self, cmd, **args): |
|
542 | 542 | return self._callstream(cmd, _compressible=True, **args) |
|
543 | 543 | |
|
544 | 544 | def _abort(self, exception): |
|
545 | 545 | raise exception |
|
546 | 546 | |
|
547 | 547 | def sendv2request(ui, opener, requestbuilder, apiurl, permission, requests): |
|
548 | 548 | reactor = wireprotoframing.clientreactor(hasmultiplesend=False, |
|
549 | 549 | buffersends=True) |
|
550 | 550 | |
|
551 | 551 | handler = wireprotov2peer.clienthandler(ui, reactor) |
|
552 | 552 | |
|
553 | 553 | url = '%s/%s' % (apiurl, permission) |
|
554 | 554 | |
|
555 | 555 | if len(requests) > 1: |
|
556 | 556 | url += '/multirequest' |
|
557 | 557 | else: |
|
558 | 558 | url += '/%s' % requests[0][0] |
|
559 | 559 | |
|
560 | 560 | ui.debug('sending %d commands\n' % len(requests)) |
|
561 | 561 | for command, args, f in requests: |
|
562 | 562 | ui.debug('sending command %s: %s\n' % ( |
|
563 | 563 | command, stringutil.pprint(args, indent=2))) |
|
564 | 564 | assert not list(handler.callcommand(command, args, f)) |
|
565 | 565 | |
|
566 | 566 | # TODO stream this. |
|
567 | 567 | body = b''.join(map(bytes, handler.flushcommands())) |
|
568 | 568 | |
|
569 | 569 | # TODO modify user-agent to reflect v2 |
|
570 | 570 | headers = { |
|
571 | 571 | r'Accept': wireprotov2server.FRAMINGTYPE, |
|
572 | 572 | r'Content-Type': wireprotov2server.FRAMINGTYPE, |
|
573 | 573 | } |
|
574 | 574 | |
|
575 | 575 | req = requestbuilder(pycompat.strurl(url), body, headers) |
|
576 | 576 | req.add_unredirected_header(r'Content-Length', r'%d' % len(body)) |
|
577 | 577 | |
|
578 | 578 | try: |
|
579 | 579 | res = opener.open(req) |
|
580 | 580 | except urlerr.httperror as e: |
|
581 | 581 | if e.code == 401: |
|
582 | 582 | raise error.Abort(_('authorization failed')) |
|
583 | 583 | |
|
584 | 584 | raise |
|
585 | 585 | except httplib.HTTPException as e: |
|
586 | 586 | ui.traceback() |
|
587 | 587 | raise IOError(None, e) |
|
588 | 588 | |
|
589 | 589 | return handler, res |
|
590 | 590 | |
|
591 | 591 | class queuedcommandfuture(pycompat.futures.Future): |
|
592 | 592 | """Wraps result() on command futures to trigger submission on call.""" |
|
593 | 593 | |
|
594 | 594 | def result(self, timeout=None): |
|
595 | 595 | if self.done(): |
|
596 | 596 | return pycompat.futures.Future.result(self, timeout) |
|
597 | 597 | |
|
598 | 598 | self._peerexecutor.sendcommands() |
|
599 | 599 | |
|
600 | 600 | # sendcommands() will restore the original __class__ and self.result |
|
601 | 601 | # will resolve to Future.result. |
|
602 | 602 | return self.result(timeout) |
|
603 | 603 | |
|
604 | 604 | @interfaceutil.implementer(repository.ipeercommandexecutor) |
|
605 | 605 | class httpv2executor(object): |
|
606 | 606 | def __init__(self, ui, opener, requestbuilder, apiurl, descriptor): |
|
607 | 607 | self._ui = ui |
|
608 | 608 | self._opener = opener |
|
609 | 609 | self._requestbuilder = requestbuilder |
|
610 | 610 | self._apiurl = apiurl |
|
611 | 611 | self._descriptor = descriptor |
|
612 | 612 | self._sent = False |
|
613 | 613 | self._closed = False |
|
614 | 614 | self._neededpermissions = set() |
|
615 | 615 | self._calls = [] |
|
616 | 616 | self._futures = weakref.WeakSet() |
|
617 | 617 | self._responseexecutor = None |
|
618 | 618 | self._responsef = None |
|
619 | 619 | |
|
620 | 620 | def __enter__(self): |
|
621 | 621 | return self |
|
622 | 622 | |
|
623 | 623 | def __exit__(self, exctype, excvalue, exctb): |
|
624 | 624 | self.close() |
|
625 | 625 | |
|
626 | 626 | def callcommand(self, command, args): |
|
627 | 627 | if self._sent: |
|
628 | 628 | raise error.ProgrammingError('callcommand() cannot be used after ' |
|
629 | 629 | 'commands are sent') |
|
630 | 630 | |
|
631 | 631 | if self._closed: |
|
632 | 632 | raise error.ProgrammingError('callcommand() cannot be used after ' |
|
633 | 633 | 'close()') |
|
634 | 634 | |
|
635 | 635 | # The service advertises which commands are available. So if we attempt |
|
636 | 636 | # to call an unknown command or pass an unknown argument, we can screen |
|
637 | 637 | # for this. |
|
638 | 638 | if command not in self._descriptor['commands']: |
|
639 | 639 | raise error.ProgrammingError( |
|
640 | 640 | 'wire protocol command %s is not available' % command) |
|
641 | 641 | |
|
642 | 642 | cmdinfo = self._descriptor['commands'][command] |
|
643 | 643 | unknownargs = set(args.keys()) - set(cmdinfo.get('args', {})) |
|
644 | 644 | |
|
645 | 645 | if unknownargs: |
|
646 | 646 | raise error.ProgrammingError( |
|
647 | 647 | 'wire protocol command %s does not accept argument: %s' % ( |
|
648 | 648 | command, ', '.join(sorted(unknownargs)))) |
|
649 | 649 | |
|
650 | 650 | self._neededpermissions |= set(cmdinfo['permissions']) |
|
651 | 651 | |
|
652 | 652 | # TODO we /could/ also validate types here, since the API descriptor |
|
653 | 653 | # includes types... |
|
654 | 654 | |
|
655 | 655 | f = pycompat.futures.Future() |
|
656 | 656 | |
|
657 | 657 | # Monkeypatch it so result() triggers sendcommands(), otherwise result() |
|
658 | 658 | # could deadlock. |
|
659 | 659 | f.__class__ = queuedcommandfuture |
|
660 | 660 | f._peerexecutor = self |
|
661 | 661 | |
|
662 | 662 | self._futures.add(f) |
|
663 | 663 | self._calls.append((command, args, f)) |
|
664 | 664 | |
|
665 | 665 | return f |
|
666 | 666 | |
|
667 | 667 | def sendcommands(self): |
|
668 | 668 | if self._sent: |
|
669 | 669 | return |
|
670 | 670 | |
|
671 | 671 | if not self._calls: |
|
672 | 672 | return |
|
673 | 673 | |
|
674 | 674 | self._sent = True |
|
675 | 675 | |
|
676 | 676 | # Unhack any future types so caller sees a clean type and so we |
|
677 | 677 | # break reference cycle. |
|
678 | 678 | for f in self._futures: |
|
679 | 679 | if isinstance(f, queuedcommandfuture): |
|
680 | 680 | f.__class__ = pycompat.futures.Future |
|
681 | 681 | f._peerexecutor = None |
|
682 | 682 | |
|
683 | 683 | # Mark the future as running and filter out cancelled futures. |
|
684 | 684 | calls = [(command, args, f) |
|
685 | 685 | for command, args, f in self._calls |
|
686 | 686 | if f.set_running_or_notify_cancel()] |
|
687 | 687 | |
|
688 | 688 | # Clear out references, prevent improper object usage. |
|
689 | 689 | self._calls = None |
|
690 | 690 | |
|
691 | 691 | if not calls: |
|
692 | 692 | return |
|
693 | 693 | |
|
694 | 694 | permissions = set(self._neededpermissions) |
|
695 | 695 | |
|
696 | 696 | if 'push' in permissions and 'pull' in permissions: |
|
697 | 697 | permissions.remove('pull') |
|
698 | 698 | |
|
699 | 699 | if len(permissions) > 1: |
|
700 | 700 | raise error.RepoError(_('cannot make request requiring multiple ' |
|
701 | 701 | 'permissions: %s') % |
|
702 | 702 | _(', ').join(sorted(permissions))) |
|
703 | 703 | |
|
704 | 704 | permission = { |
|
705 | 705 | 'push': 'rw', |
|
706 | 706 | 'pull': 'ro', |
|
707 | 707 | }[permissions.pop()] |
|
708 | 708 | |
|
709 | 709 | handler, resp = sendv2request( |
|
710 | 710 | self._ui, self._opener, self._requestbuilder, self._apiurl, |
|
711 | 711 | permission, calls) |
|
712 | 712 | |
|
713 | 713 | # TODO we probably want to validate the HTTP code, media type, etc. |
|
714 | 714 | |
|
715 | 715 | self._responseexecutor = pycompat.futures.ThreadPoolExecutor(1) |
|
716 | 716 | self._responsef = self._responseexecutor.submit(self._handleresponse, |
|
717 | 717 | handler, resp) |
|
718 | 718 | |
|
719 | 719 | def close(self): |
|
720 | 720 | if self._closed: |
|
721 | 721 | return |
|
722 | 722 | |
|
723 | 723 | self.sendcommands() |
|
724 | 724 | |
|
725 | 725 | self._closed = True |
|
726 | 726 | |
|
727 | 727 | if not self._responsef: |
|
728 | 728 | return |
|
729 | 729 | |
|
730 | 730 | # TODO ^C here may not result in immediate program termination. |
|
731 | 731 | |
|
732 | 732 | try: |
|
733 | 733 | self._responsef.result() |
|
734 | 734 | finally: |
|
735 | 735 | self._responseexecutor.shutdown(wait=True) |
|
736 | 736 | self._responsef = None |
|
737 | 737 | self._responseexecutor = None |
|
738 | 738 | |
|
739 | 739 | # If any of our futures are still in progress, mark them as |
|
740 | 740 | # errored, otherwise a result() could wait indefinitely. |
|
741 | 741 | for f in self._futures: |
|
742 | 742 | if not f.done(): |
|
743 | 743 | f.set_exception(error.ResponseError( |
|
744 | 744 | _('unfulfilled command response'))) |
|
745 | 745 | |
|
746 | 746 | self._futures = None |
|
747 | 747 | |
|
748 | 748 | def _handleresponse(self, handler, resp): |
|
749 | 749 | # Called in a thread to read the response. |
|
750 | 750 | |
|
751 | 751 | while handler.readframe(resp): |
|
752 | 752 | pass |
|
753 | 753 | |
|
754 | 754 | # TODO implement interface for version 2 peers |
|
755 | 755 | @interfaceutil.implementer(repository.ipeerconnection, |
|
756 | 756 | repository.ipeercapabilities, |
|
757 | 757 | repository.ipeerrequests) |
|
758 | 758 | class httpv2peer(object): |
|
759 | 759 | def __init__(self, ui, repourl, apipath, opener, requestbuilder, |
|
760 | 760 | apidescriptor): |
|
761 | 761 | self.ui = ui |
|
762 | 762 | |
|
763 | 763 | if repourl.endswith('/'): |
|
764 | 764 | repourl = repourl[:-1] |
|
765 | 765 | |
|
766 | 766 | self._url = repourl |
|
767 | 767 | self._apipath = apipath |
|
768 | 768 | self._apiurl = '%s/%s' % (repourl, apipath) |
|
769 | 769 | self._opener = opener |
|
770 | 770 | self._requestbuilder = requestbuilder |
|
771 | 771 | self._descriptor = apidescriptor |
|
772 | 772 | |
|
773 | 773 | # Start of ipeerconnection. |
|
774 | 774 | |
|
775 | 775 | def url(self): |
|
776 | 776 | return self._url |
|
777 | 777 | |
|
778 | 778 | def local(self): |
|
779 | 779 | return None |
|
780 | 780 | |
|
781 | 781 | def peer(self): |
|
782 | 782 | return self |
|
783 | 783 | |
|
784 | 784 | def canpush(self): |
|
785 | 785 | # TODO change once implemented. |
|
786 | 786 | return False |
|
787 | 787 | |
|
788 | 788 | def close(self): |
|
789 | 789 | pass |
|
790 | 790 | |
|
791 | 791 | # End of ipeerconnection. |
|
792 | 792 | |
|
793 | 793 | # Start of ipeercapabilities. |
|
794 | 794 | |
|
795 | 795 | def capable(self, name): |
|
796 | 796 | # The capabilities used internally historically map to capabilities |
|
797 | 797 | # advertised from the "capabilities" wire protocol command. However, |
|
798 | 798 | # version 2 of that command works differently. |
|
799 | 799 | |
|
800 | 800 | # Maps to commands that are available. |
|
801 | 801 | if name in ('branchmap', 'getbundle', 'known', 'lookup', 'pushkey'): |
|
802 | 802 | return True |
|
803 | 803 | |
|
804 | 804 | # Other concepts. |
|
805 | 805 | if name in ('bundle2',): |
|
806 | 806 | return True |
|
807 | 807 | |
|
808 | # Alias command-* to presence of command of that name. | |
|
809 | if name.startswith('command-'): | |
|
810 | return name[len('command-'):] in self._descriptor['commands'] | |
|
811 | ||
|
808 | 812 | return False |
|
809 | 813 | |
|
810 | 814 | def requirecap(self, name, purpose): |
|
811 | 815 | if self.capable(name): |
|
812 | 816 | return |
|
813 | 817 | |
|
814 | 818 | raise error.CapabilityError( |
|
815 | 819 | _('cannot %s; client or remote repository does not support the %r ' |
|
816 | 820 | 'capability') % (purpose, name)) |
|
817 | 821 | |
|
818 | 822 | # End of ipeercapabilities. |
|
819 | 823 | |
|
820 | 824 | def _call(self, name, **args): |
|
821 | 825 | with self.commandexecutor() as e: |
|
822 | 826 | return e.callcommand(name, args).result() |
|
823 | 827 | |
|
824 | 828 | def commandexecutor(self): |
|
825 | 829 | return httpv2executor(self.ui, self._opener, self._requestbuilder, |
|
826 | 830 | self._apiurl, self._descriptor) |
|
827 | 831 | |
|
828 | 832 | # Registry of API service names to metadata about peers that handle it. |
|
829 | 833 | # |
|
830 | 834 | # The following keys are meaningful: |
|
831 | 835 | # |
|
832 | 836 | # init |
|
833 | 837 | # Callable receiving (ui, repourl, servicepath, opener, requestbuilder, |
|
834 | 838 | # apidescriptor) to create a peer. |
|
835 | 839 | # |
|
836 | 840 | # priority |
|
837 | 841 | # Integer priority for the service. If we could choose from multiple |
|
838 | 842 | # services, we choose the one with the highest priority. |
|
839 | 843 | API_PEERS = { |
|
840 | 844 | wireprototypes.HTTP_WIREPROTO_V2: { |
|
841 | 845 | 'init': httpv2peer, |
|
842 | 846 | 'priority': 50, |
|
843 | 847 | }, |
|
844 | 848 | } |
|
845 | 849 | |
|
846 | 850 | def performhandshake(ui, url, opener, requestbuilder): |
|
847 | 851 | # The handshake is a request to the capabilities command. |
|
848 | 852 | |
|
849 | 853 | caps = None |
|
850 | 854 | def capable(x): |
|
851 | 855 | raise error.ProgrammingError('should not be called') |
|
852 | 856 | |
|
853 | 857 | args = {} |
|
854 | 858 | |
|
855 | 859 | # The client advertises support for newer protocols by adding an |
|
856 | 860 | # X-HgUpgrade-* header with a list of supported APIs and an |
|
857 | 861 | # X-HgProto-* header advertising which serializing formats it supports. |
|
858 | 862 | # We only support the HTTP version 2 transport and CBOR responses for |
|
859 | 863 | # now. |
|
860 | 864 | advertisev2 = ui.configbool('experimental', 'httppeer.advertise-v2') |
|
861 | 865 | |
|
862 | 866 | if advertisev2: |
|
863 | 867 | args['headers'] = { |
|
864 | 868 | r'X-HgProto-1': r'cbor', |
|
865 | 869 | } |
|
866 | 870 | |
|
867 | 871 | args['headers'].update( |
|
868 | 872 | encodevalueinheaders(' '.join(sorted(API_PEERS)), |
|
869 | 873 | 'X-HgUpgrade', |
|
870 | 874 | # We don't know the header limit this early. |
|
871 | 875 | # So make it small. |
|
872 | 876 | 1024)) |
|
873 | 877 | |
|
874 | 878 | req, requrl, qs = makev1commandrequest(ui, requestbuilder, caps, |
|
875 | 879 | capable, url, 'capabilities', |
|
876 | 880 | args) |
|
877 | 881 | resp = sendrequest(ui, opener, req) |
|
878 | 882 | |
|
879 | 883 | # The server may redirect us to the repo root, stripping the |
|
880 | 884 | # ?cmd=capabilities query string from the URL. The server would likely |
|
881 | 885 | # return HTML in this case and ``parsev1commandresponse()`` would raise. |
|
882 | 886 | # We catch this special case and re-issue the capabilities request against |
|
883 | 887 | # the new URL. |
|
884 | 888 | # |
|
885 | 889 | # We should ideally not do this, as a redirect that drops the query |
|
886 | 890 | # string from the URL is arguably a server bug. (Garbage in, garbage out). |
|
887 | 891 | # However, Mercurial clients for several years appeared to handle this |
|
888 | 892 | # issue without behavior degradation. And according to issue 5860, it may |
|
889 | 893 | # be a longstanding bug in some server implementations. So we allow a |
|
890 | 894 | # redirect that drops the query string to "just work." |
|
891 | 895 | try: |
|
892 | 896 | respurl, ct, resp = parsev1commandresponse(ui, url, requrl, qs, resp, |
|
893 | 897 | compressible=False, |
|
894 | 898 | allowcbor=advertisev2) |
|
895 | 899 | except RedirectedRepoError as e: |
|
896 | 900 | req, requrl, qs = makev1commandrequest(ui, requestbuilder, caps, |
|
897 | 901 | capable, e.respurl, |
|
898 | 902 | 'capabilities', args) |
|
899 | 903 | resp = sendrequest(ui, opener, req) |
|
900 | 904 | respurl, ct, resp = parsev1commandresponse(ui, url, requrl, qs, resp, |
|
901 | 905 | compressible=False, |
|
902 | 906 | allowcbor=advertisev2) |
|
903 | 907 | |
|
904 | 908 | try: |
|
905 | 909 | rawdata = resp.read() |
|
906 | 910 | finally: |
|
907 | 911 | resp.close() |
|
908 | 912 | |
|
909 | 913 | if not ct.startswith('application/mercurial-'): |
|
910 | 914 | raise error.ProgrammingError('unexpected content-type: %s' % ct) |
|
911 | 915 | |
|
912 | 916 | if advertisev2: |
|
913 | 917 | if ct == 'application/mercurial-cbor': |
|
914 | 918 | try: |
|
915 | 919 | info = cborutil.decodeall(rawdata)[0] |
|
916 | 920 | except cborutil.CBORDecodeError: |
|
917 | 921 | raise error.Abort(_('error decoding CBOR from remote server'), |
|
918 | 922 | hint=_('try again and consider contacting ' |
|
919 | 923 | 'the server operator')) |
|
920 | 924 | |
|
921 | 925 | # We got a legacy response. That's fine. |
|
922 | 926 | elif ct in ('application/mercurial-0.1', 'application/mercurial-0.2'): |
|
923 | 927 | info = { |
|
924 | 928 | 'v1capabilities': set(rawdata.split()) |
|
925 | 929 | } |
|
926 | 930 | |
|
927 | 931 | else: |
|
928 | 932 | raise error.RepoError( |
|
929 | 933 | _('unexpected response type from server: %s') % ct) |
|
930 | 934 | else: |
|
931 | 935 | info = { |
|
932 | 936 | 'v1capabilities': set(rawdata.split()) |
|
933 | 937 | } |
|
934 | 938 | |
|
935 | 939 | return respurl, info |
|
936 | 940 | |
|
937 | 941 | def makepeer(ui, path, opener=None, requestbuilder=urlreq.request): |
|
938 | 942 | """Construct an appropriate HTTP peer instance. |
|
939 | 943 | |
|
940 | 944 | ``opener`` is an ``url.opener`` that should be used to establish |
|
941 | 945 | connections, perform HTTP requests. |
|
942 | 946 | |
|
943 | 947 | ``requestbuilder`` is the type used for constructing HTTP requests. |
|
944 | 948 | It exists as an argument so extensions can override the default. |
|
945 | 949 | """ |
|
946 | 950 | u = util.url(path) |
|
947 | 951 | if u.query or u.fragment: |
|
948 | 952 | raise error.Abort(_('unsupported URL component: "%s"') % |
|
949 | 953 | (u.query or u.fragment)) |
|
950 | 954 | |
|
951 | 955 | # urllib cannot handle URLs with embedded user or passwd. |
|
952 | 956 | url, authinfo = u.authinfo() |
|
953 | 957 | ui.debug('using %s\n' % url) |
|
954 | 958 | |
|
955 | 959 | opener = opener or urlmod.opener(ui, authinfo) |
|
956 | 960 | |
|
957 | 961 | respurl, info = performhandshake(ui, url, opener, requestbuilder) |
|
958 | 962 | |
|
959 | 963 | # Given the intersection of APIs that both we and the server support, |
|
960 | 964 | # sort by their advertised priority and pick the first one. |
|
961 | 965 | # |
|
962 | 966 | # TODO consider making this request-based and interface driven. For |
|
963 | 967 | # example, the caller could say "I want a peer that does X." It's quite |
|
964 | 968 | # possible that not all peers would do that. Since we know the service |
|
965 | 969 | # capabilities, we could filter out services not meeting the |
|
966 | 970 | # requirements. Possibly by consulting the interfaces defined by the |
|
967 | 971 | # peer type. |
|
968 | 972 | apipeerchoices = set(info.get('apis', {}).keys()) & set(API_PEERS.keys()) |
|
969 | 973 | |
|
970 | 974 | preferredchoices = sorted(apipeerchoices, |
|
971 | 975 | key=lambda x: API_PEERS[x]['priority'], |
|
972 | 976 | reverse=True) |
|
973 | 977 | |
|
974 | 978 | for service in preferredchoices: |
|
975 | 979 | apipath = '%s/%s' % (info['apibase'].rstrip('/'), service) |
|
976 | 980 | |
|
977 | 981 | return API_PEERS[service]['init'](ui, respurl, apipath, opener, |
|
978 | 982 | requestbuilder, |
|
979 | 983 | info['apis'][service]) |
|
980 | 984 | |
|
981 | 985 | # Failed to construct an API peer. Fall back to legacy. |
|
982 | 986 | return httppeer(ui, path, respurl, opener, requestbuilder, |
|
983 | 987 | info['v1capabilities']) |
|
984 | 988 | |
|
985 | 989 | def instance(ui, path, create, intents=None, createopts=None): |
|
986 | 990 | if create: |
|
987 | 991 | raise error.Abort(_('cannot create new http repository')) |
|
988 | 992 | try: |
|
989 | 993 | if path.startswith('https:') and not urlmod.has_https: |
|
990 | 994 | raise error.Abort(_('Python support for SSL and HTTPS ' |
|
991 | 995 | 'is not installed')) |
|
992 | 996 | |
|
993 | 997 | inst = makepeer(ui, path) |
|
994 | 998 | |
|
995 | 999 | return inst |
|
996 | 1000 | except error.RepoError as httpexception: |
|
997 | 1001 | try: |
|
998 | 1002 | r = statichttprepo.instance(ui, "static-" + path, create) |
|
999 | 1003 | ui.note(_('(falling back to static-http)\n')) |
|
1000 | 1004 | return r |
|
1001 | 1005 | except error.RepoError: |
|
1002 | 1006 | raise httpexception # use the original http RepoError instead |
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