Mercurial > hg
annotate mercurial/httprepo.py @ 11791:00cde9bddbe4
repair: do not compress partial bundle if we do not keep it on disk
A partial bundle is created to temporarily save revisions > rev but
not descending from the node to strip, to be able to restore the
changesets after stripping the changelog.
Since this bundle is not kept after the strip operation, and is not
user-visible, it is not necessary and should be faster to avoid
compression.
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
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date | Thu, 12 Aug 2010 16:53:23 +0900 |
parents | 05deba16c5d5 |
children | c327bfa5e831 |
rev | line source |
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1089 | 1 # httprepo.py - HTTP repository proxy classes for mercurial |
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2 # |
2859 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> | |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
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8 |
7211 | 9 from node import bin, hex, nullid |
3891 | 10 from i18n import _ |
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11 import repo, changegroup, statichttprepo, error, url, util, wireproto |
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12 import os, urllib, urllib2, urlparse, zlib, httplib |
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13 import errno, socket |
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14 import encoding |
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15 |
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16 def zgenerator(f): |
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17 zd = zlib.decompressobj() |
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18 try: |
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19 for chunk in util.filechunkiter(f): |
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20 while chunk: |
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21 yield zd.decompress(chunk, 2**18) |
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22 chunk = zd.unconsumed_tail |
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23 except httplib.HTTPException: |
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24 raise IOError(None, _('connection ended unexpectedly')) |
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25 yield zd.flush() |
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26 |
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27 class httprepository(wireproto.wirerepository): |
60 | 28 def __init__(self, ui, path): |
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29 self.path = path |
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30 self.caps = None |
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31 self.handler = None |
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32 scheme, netloc, urlpath, query, frag = urlparse.urlsplit(path) |
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33 if query or frag: |
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34 raise util.Abort(_('unsupported URL component: "%s"') % |
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35 (query or frag)) |
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36 |
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37 # urllib cannot handle URLs with embedded user or passwd |
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38 self._url, authinfo = url.getauthinfo(path) |
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39 |
60 | 40 self.ui = ui |
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41 self.ui.debug('using %s\n' % self._url) |
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42 |
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43 self.urlopener = url.opener(ui, authinfo) |
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44 |
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45 def __del__(self): |
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46 for h in self.urlopener.handlers: |
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47 h.close() |
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48 if hasattr(h, "close_all"): |
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49 h.close_all() |
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50 |
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51 def url(self): |
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52 return self.path |
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53 |
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54 # look up capabilities only when needed |
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55 |
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56 def get_caps(self): |
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57 if self.caps is None: |
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58 try: |
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59 self.caps = set(self._call('capabilities').split()) |
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61 self.caps = set() |
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62 self.ui.debug('capabilities: %s\n' % |
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63 (' '.join(self.caps or ['none']))) |
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64 return self.caps |
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65 |
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66 capabilities = property(get_caps) |
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67 |
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68 def lock(self): |
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69 raise util.Abort(_('operation not supported over http')) |
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70 |
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71 def _callstream(self, cmd, **args): |
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72 data = args.pop('data', None) |
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73 headers = args.pop('headers', {}) |
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74 self.ui.debug("sending %s command\n" % cmd) |
60 | 75 q = {"cmd": cmd} |
76 q.update(args) | |
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77 qs = '?%s' % urllib.urlencode(q) |
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78 cu = "%s%s" % (self._url, qs) |
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79 req = urllib2.Request(cu, data, headers) |
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80 if data is not None: |
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81 # len(data) is broken if data doesn't fit into Py_ssize_t |
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82 # add the header ourself to avoid OverflowError |
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83 size = data.__len__() |
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84 self.ui.debug("sending %s bytes\n" % size) |
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85 req.add_unredirected_header('Content-Length', '%d' % size) |
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86 try: |
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87 resp = self.urlopener.open(req) |
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88 except urllib2.HTTPError, inst: |
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89 if inst.code == 401: |
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90 raise util.Abort(_('authorization failed')) |
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91 raise |
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92 except httplib.HTTPException, inst: |
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93 self.ui.debug('http error while sending %s command\n' % cmd) |
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94 self.ui.traceback() |
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95 raise IOError(None, inst) |
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96 except IndexError: |
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97 # this only happens with Python 2.3, later versions raise URLError |
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98 raise util.Abort(_('http error, possibly caused by proxy setting')) |
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99 # record the url we got redirected to |
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100 resp_url = resp.geturl() |
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101 if resp_url.endswith(qs): |
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102 resp_url = resp_url[:-len(qs)] |
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103 if self._url.rstrip('/') != resp_url.rstrip('/'): |
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104 self.ui.status(_('real URL is %s\n') % resp_url) |
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105 self._url = resp_url |
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106 try: |
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107 proto = resp.getheader('content-type') |
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108 except AttributeError: |
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109 proto = resp.headers['content-type'] |
752 | 110 |
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111 safeurl = url.hidepassword(self._url) |
753 | 112 # accept old "text/plain" and "application/hg-changegroup" for now |
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113 if not (proto.startswith('application/mercurial-') or |
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114 proto.startswith('text/plain') or |
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115 proto.startswith('application/hg-changegroup')): |
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116 self.ui.debug("requested URL: '%s'\n" % url.hidepassword(cu)) |
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117 raise error.RepoError( |
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118 _("'%s' does not appear to be an hg repository:\n" |
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119 "---%%<--- (%s)\n%s\n---%%<---\n") |
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120 % (safeurl, proto, resp.read())) |
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122 if proto.startswith('application/mercurial-'): |
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123 try: |
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124 version = proto.split('-', 1)[1] |
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125 version_info = tuple([int(n) for n in version.split('.')]) |
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126 except ValueError: |
7637 | 127 raise error.RepoError(_("'%s' sent a broken Content-Type " |
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128 "header (%s)") % (safeurl, proto)) |
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129 if version_info > (0, 1): |
7637 | 130 raise error.RepoError(_("'%s' uses newer protocol %s") % |
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131 (safeurl, version)) |
753 | 132 |
752 | 133 return resp |
60 | 134 |
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135 def _call(self, cmd, **args): |
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136 fp = self._callstream(cmd, **args) |
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137 try: |
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138 return fp.read() |
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139 finally: |
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140 # if using keepalive, allow connection to be reused |
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141 fp.close() |
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142 |
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143 def _callpush(self, cmd, cg, **args): |
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144 # have to stream bundle to a temp file because we do not have |
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145 # http 1.1 chunked transfer. |
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146 |
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147 type = "" |
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148 types = self.capable('unbundle') |
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149 # servers older than d1b16a746db6 will send 'unbundle' as a |
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150 # boolean capability |
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151 try: |
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152 types = types.split(',') |
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153 except AttributeError: |
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154 types = [""] |
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155 if types: |
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156 for x in types: |
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157 if x in changegroup.bundletypes: |
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158 type = x |
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159 break |
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160 |
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161 tempname = changegroup.writebundle(cg, None, type) |
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162 fp = url.httpsendfile(tempname, "rb") |
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163 headers = {'Content-Type': 'application/mercurial-0.1'} |
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164 |
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165 try: |
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166 try: |
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167 r = self._call(cmd, data=fp, headers=headers, **args) |
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168 return r.split('\n', 1) |
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169 except socket.error, err: |
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170 if err.args[0] in (errno.ECONNRESET, errno.EPIPE): |
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171 raise util.Abort(_('push failed: %s') % err.args[1]) |
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172 raise util.Abort(err.args[1]) |
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173 finally: |
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174 fp.close() |
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175 os.unlink(tempname) |
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176 |
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177 def _abort(self, exception): |
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178 raise exception |
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179 |
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180 def _decompress(self, stream): |
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181 return util.chunkbuffer(zgenerator(stream)) |
11370 | 182 |
923 | 183 class httpsrepository(httprepository): |
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184 def __init__(self, ui, path): |
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185 if not url.has_https: |
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186 raise util.Abort(_('Python support for SSL and HTTPS ' |
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187 'is not installed')) |
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188 httprepository.__init__(self, ui, path) |
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189 |
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190 def instance(ui, path, create): |
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191 if create: |
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192 raise util.Abort(_('cannot create new http repository')) |
7211 | 193 try: |
194 if path.startswith('https:'): | |
195 inst = httpsrepository(ui, path) | |
196 else: | |
197 inst = httprepository(ui, path) | |
198 inst.between([(nullid, nullid)]) | |
199 return inst | |
7637 | 200 except error.RepoError: |
7211 | 201 ui.note('(falling back to static-http)\n') |
202 return statichttprepo.instance(ui, "static-" + path, create) |