135
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1 # localrepo.py - read/write repository class for mercurial
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2 #
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3 # Copyright 2005-2007 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, incorporated herein by reference.
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7
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8 from node import bin, hex, nullid, nullrev, short
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9 from i18n import _
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10 import repo, changegroup, subrepo
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11 import changelog, dirstate, filelog, manifest, context
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12 import lock, transaction, store, encoding
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13 import util, extensions, hook, error
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14 import match as match_
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15 import merge as merge_
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16 from lock import release
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17 import weakref, stat, errno, os, time, inspect
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18 propertycache = util.propertycache
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19
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20 class localrepository(repo.repository):
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21 capabilities = set(('lookup', 'changegroupsubset', 'branchmap'))
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22 supported = set('revlogv1 store fncache shared'.split())
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23
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24 def __init__(self, baseui, path=None, create=0):
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25 repo.repository.__init__(self)
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26 self.root = os.path.realpath(path)
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27 self.path = os.path.join(self.root, ".hg")
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28 self.origroot = path
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29 self.opener = util.opener(self.path)
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30 self.wopener = util.opener(self.root)
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31 self.baseui = baseui
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32 self.ui = baseui.copy()
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33
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34 try:
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35 self.ui.readconfig(self.join("hgrc"), self.root)
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36 extensions.loadall(self.ui)
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37 except IOError:
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38 pass
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39
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40 if not os.path.isdir(self.path):
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41 if create:
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42 if not os.path.exists(path):
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43 os.mkdir(path)
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44 os.mkdir(self.path)
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45 requirements = ["revlogv1"]
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46 if self.ui.configbool('format', 'usestore', True):
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47 os.mkdir(os.path.join(self.path, "store"))
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48 requirements.append("store")
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49 if self.ui.configbool('format', 'usefncache', True):
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50 requirements.append("fncache")
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51 # create an invalid changelog
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52 self.opener("00changelog.i", "a").write(
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53 '\0\0\0\2' # represents revlogv2
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54 ' dummy changelog to prevent using the old repo layout'
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55 )
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56 reqfile = self.opener("requires", "w")
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57 for r in requirements:
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58 reqfile.write("%s\n" % r)
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59 reqfile.close()
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60 else:
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61 raise error.RepoError(_("repository %s not found") % path)
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62 elif create:
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63 raise error.RepoError(_("repository %s already exists") % path)
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64 else:
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65 # find requirements
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66 requirements = set()
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67 try:
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68 requirements = set(self.opener("requires").read().splitlines())
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69 except IOError, inst:
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70 if inst.errno != errno.ENOENT:
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71 raise
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72 for r in requirements - self.supported:
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73 raise error.RepoError(_("requirement '%s' not supported") % r)
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74
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75 self.sharedpath = self.path
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76 try:
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77 s = os.path.realpath(self.opener("sharedpath").read())
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78 if not os.path.exists(s):
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79 raise error.RepoError(
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80 _('.hg/sharedpath points to nonexistent directory %s') % s)
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81 self.sharedpath = s
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82 except IOError, inst:
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83 if inst.errno != errno.ENOENT:
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84 raise
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85
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86 self.store = store.store(requirements, self.sharedpath, util.opener)
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87 self.spath = self.store.path
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88 self.sopener = self.store.opener
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89 self.sjoin = self.store.join
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90 self.opener.createmode = self.store.createmode
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91
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92 self.tagscache = None
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93 self._tagstypecache = None
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94 self.branchcache = None
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95 self._ubranchcache = None # UTF-8 version of branchcache
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96 self._branchcachetip = None
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97 self.nodetagscache = None
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98 self.filterpats = {}
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99 self._datafilters = {}
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100 self._transref = self._lockref = self._wlockref = None
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101
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102 @propertycache
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103 def changelog(self):
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104 c = changelog.changelog(self.sopener)
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105 if 'HG_PENDING' in os.environ:
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106 p = os.environ['HG_PENDING']
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107 if p.startswith(self.root):
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108 c.readpending('00changelog.i.a')
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109 self.sopener.defversion = c.version
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110 return c
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111
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112 @propertycache
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113 def manifest(self):
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114 return manifest.manifest(self.sopener)
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115
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116 @propertycache
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117 def dirstate(self):
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118 return dirstate.dirstate(self.opener, self.ui, self.root)
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119
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120 def __getitem__(self, changeid):
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121 if changeid is None:
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122 return context.workingctx(self)
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123 return context.changectx(self, changeid)
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124
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125 def __nonzero__(self):
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126 return True
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127
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128 def __len__(self):
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129 return len(self.changelog)
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130
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131 def __iter__(self):
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132 for i in xrange(len(self)):
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133 yield i
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134
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135 def url(self):
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136 return 'file:' + self.root
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137
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138 def hook(self, name, throw=False, **args):
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139 return hook.hook(self.ui, self, name, throw, **args)
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140
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141 tag_disallowed = ':\r\n'
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142
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143 def _tag(self, names, node, message, local, user, date, extra={}):
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144 if isinstance(names, str):
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145 allchars = names
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146 names = (names,)
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147 else:
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148 allchars = ''.join(names)
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149 for c in self.tag_disallowed:
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150 if c in allchars:
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151 raise util.Abort(_('%r cannot be used in a tag name') % c)
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152
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153 for name in names:
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154 self.hook('pretag', throw=True, node=hex(node), tag=name,
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155 local=local)
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156
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157 def writetags(fp, names, munge, prevtags):
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158 fp.seek(0, 2)
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159 if prevtags and prevtags[-1] != '\n':
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160 fp.write('\n')
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161 for name in names:
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162 m = munge and munge(name) or name
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163 if self._tagstypecache and name in self._tagstypecache:
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164 old = self.tagscache.get(name, nullid)
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165 fp.write('%s %s\n' % (hex(old), m))
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166 fp.write('%s %s\n' % (hex(node), m))
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167 fp.close()
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168
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169 prevtags = ''
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170 if local:
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171 try:
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172 fp = self.opener('localtags', 'r+')
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173 except IOError:
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174 fp = self.opener('localtags', 'a')
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175 else:
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176 prevtags = fp.read()
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177
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178 # local tags are stored in the current charset
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179 writetags(fp, names, None, prevtags)
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180 for name in names:
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181 self.hook('tag', node=hex(node), tag=name, local=local)
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182 return
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183
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184 try:
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185 fp = self.wfile('.hgtags', 'rb+')
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186 except IOError:
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187 fp = self.wfile('.hgtags', 'ab')
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188 else:
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189 prevtags = fp.read()
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190
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191 # committed tags are stored in UTF-8
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192 writetags(fp, names, encoding.fromlocal, prevtags)
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193
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194 if '.hgtags' not in self.dirstate:
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195 self.add(['.hgtags'])
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196
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197 m = match_.exact(self.root, '', ['.hgtags'])
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198 tagnode = self.commit(message, user, date, extra=extra, match=m)
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199
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200 for name in names:
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201 self.hook('tag', node=hex(node), tag=name, local=local)
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202
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203 return tagnode
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204
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205 def tag(self, names, node, message, local, user, date):
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206 '''tag a revision with one or more symbolic names.
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207
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208 names is a list of strings or, when adding a single tag, names may be a
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209 string.
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210
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211 if local is True, the tags are stored in a per-repository file.
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212 otherwise, they are stored in the .hgtags file, and a new
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213 changeset is committed with the change.
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214
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215 keyword arguments:
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216
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217 local: whether to store tags in non-version-controlled file
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218 (default False)
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219
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220 message: commit message to use if committing
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221
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222 user: name of user to use if committing
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223
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224 date: date tuple to use if committing'''
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225
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226 for x in self.status()[:5]:
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227 if '.hgtags' in x:
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228 raise util.Abort(_('working copy of .hgtags is changed '
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229 '(please commit .hgtags manually)'))
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230
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231 self.tags() # instantiate the cache
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232 self._tag(names, node, message, local, user, date)
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233
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234 def tags(self):
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235 '''return a mapping of tag to node'''
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236 if self.tagscache:
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237 return self.tagscache
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238
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239 globaltags = {}
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240 tagtypes = {}
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241
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242 def readtags(lines, fn, tagtype):
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243 filetags = {}
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244 count = 0
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245
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246 def warn(msg):
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247 self.ui.warn(_("%s, line %s: %s\n") % (fn, count, msg))
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248
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249 for l in lines:
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250 count += 1
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251 if not l:
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252 continue
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253 s = l.split(" ", 1)
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254 if len(s) != 2:
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255 warn(_("cannot parse entry"))
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256 continue
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257 node, key = s
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258 key = encoding.tolocal(key.strip()) # stored in UTF-8
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259 try:
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260 bin_n = bin(node)
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261 except TypeError:
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262 warn(_("node '%s' is not well formed") % node)
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263 continue
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264 if bin_n not in self.changelog.nodemap:
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265 # silently ignore as pull -r might cause this
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266 continue
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267
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268 h = []
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269 if key in filetags:
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270 n, h = filetags[key]
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271 h.append(n)
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272 filetags[key] = (bin_n, h)
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273
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274 for k, nh in filetags.iteritems():
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275 if k not in globaltags:
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276 globaltags[k] = nh
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277 tagtypes[k] = tagtype
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278 continue
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279
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280 # we prefer the global tag if:
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281 # it supercedes us OR
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282 # mutual supercedes and it has a higher rank
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283 # otherwise we win because we're tip-most
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284 an, ah = nh
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285 bn, bh = globaltags[k]
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286 if (bn != an and an in bh and
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287 (bn not in ah or len(bh) > len(ah))):
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288 an = bn
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289 ah.extend([n for n in bh if n not in ah])
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290 globaltags[k] = an, ah
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291 tagtypes[k] = tagtype
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292
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293 seen = set()
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294 f = None
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295 ctxs = []
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296 for node in self.heads():
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297 try:
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298 fnode = self[node].filenode('.hgtags')
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299 except error.LookupError:
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300 continue
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301 if fnode not in seen:
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302 seen.add(fnode)
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303 if not f:
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304 f = self.filectx('.hgtags', fileid=fnode)
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305 else:
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306 f = f.filectx(fnode)
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307 ctxs.append(f)
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308
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309 # read the tags file from each head, ending with the tip
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310 for f in reversed(ctxs):
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311 readtags(f.data().splitlines(), f, "global")
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312
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313 try:
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314 data = encoding.fromlocal(self.opener("localtags").read())
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315 # localtags are stored in the local character set
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316 # while the internal tag table is stored in UTF-8
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317 readtags(data.splitlines(), "localtags", "local")
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318 except IOError:
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319 pass
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320
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321 self.tagscache = {}
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322 self._tagstypecache = {}
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323 for k, nh in globaltags.iteritems():
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324 n = nh[0]
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325 if n != nullid:
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326 self.tagscache[k] = n
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327 self._tagstypecache[k] = tagtypes[k]
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328 self.tagscache['tip'] = self.changelog.tip()
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329 return self.tagscache
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330
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331 def tagtype(self, tagname):
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332 '''
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333 return the type of the given tag. result can be:
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334
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335 'local' : a local tag
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336 'global' : a global tag
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337 None : tag does not exist
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338 '''
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339
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340 self.tags()
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341
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342 return self._tagstypecache.get(tagname)
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343
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344 def tagslist(self):
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345 '''return a list of tags ordered by revision'''
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346 l = []
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347 for t, n in self.tags().iteritems():
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348 try:
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349 r = self.changelog.rev(n)
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350 except:
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351 r = -2 # sort to the beginning of the list if unknown
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352 l.append((r, t, n))
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353 return [(t, n) for r, t, n in sorted(l)]
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354
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355 def nodetags(self, node):
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356 '''return the tags associated with a node'''
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357 if not self.nodetagscache:
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358 self.nodetagscache = {}
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359 for t, n in self.tags().iteritems():
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360 self.nodetagscache.setdefault(n, []).append(t)
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361 return self.nodetagscache.get(node, [])
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362
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363 def _branchtags(self, partial, lrev):
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364 # TODO: rename this function?
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365 tiprev = len(self) - 1
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366 if lrev != tiprev:
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367 self._updatebranchcache(partial, lrev+1, tiprev+1)
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368 self._writebranchcache(partial, self.changelog.tip(), tiprev)
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369
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370 return partial
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371
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372 def branchmap(self):
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373 tip = self.changelog.tip()
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374 if self.branchcache is not None and self._branchcachetip == tip:
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375 return self.branchcache
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376
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377 oldtip = self._branchcachetip
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378 self._branchcachetip = tip
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379 if self.branchcache is None:
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380 self.branchcache = {} # avoid recursion in changectx
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381 else:
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382 self.branchcache.clear() # keep using the same dict
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383 if oldtip is None or oldtip not in self.changelog.nodemap:
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384 partial, last, lrev = self._readbranchcache()
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385 else:
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386 lrev = self.changelog.rev(oldtip)
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387 partial = self._ubranchcache
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388
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389 self._branchtags(partial, lrev)
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390 # this private cache holds all heads (not just tips)
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391 self._ubranchcache = partial
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392
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393 # the branch cache is stored on disk as UTF-8, but in the local
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394 # charset internally
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395 for k, v in partial.iteritems():
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396 self.branchcache[encoding.tolocal(k)] = v
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397 return self.branchcache
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398
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399
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400 def branchtags(self):
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401 '''return a dict where branch names map to the tipmost head of
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402 the branch, open heads come before closed'''
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403 bt = {}
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404 for bn, heads in self.branchmap().iteritems():
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405 head = None
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406 for i in range(len(heads)-1, -1, -1):
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407 h = heads[i]
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408 if 'close' not in self.changelog.read(h)[5]:
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409 head = h
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410 break
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411 # no open heads were found
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412 if head is None:
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413 head = heads[-1]
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414 bt[bn] = head
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415 return bt
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416
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417
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418 def _readbranchcache(self):
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419 partial = {}
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420 try:
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421 f = self.opener("branchheads.cache")
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422 lines = f.read().split('\n')
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423 f.close()
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424 except (IOError, OSError):
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425 return {}, nullid, nullrev
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426
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427 try:
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428 last, lrev = lines.pop(0).split(" ", 1)
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429 last, lrev = bin(last), int(lrev)
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430 if lrev >= len(self) or self[lrev].node() != last:
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431 # invalidate the cache
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432 raise ValueError('invalidating branch cache (tip differs)')
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433 for l in lines:
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434 if not l: continue
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435 node, label = l.split(" ", 1)
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436 partial.setdefault(label.strip(), []).append(bin(node))
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437 except KeyboardInterrupt:
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438 raise
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439 except Exception, inst:
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440 if self.ui.debugflag:
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441 self.ui.warn(str(inst), '\n')
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442 partial, last, lrev = {}, nullid, nullrev
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443 return partial, last, lrev
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444
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445 def _writebranchcache(self, branches, tip, tiprev):
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446 try:
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447 f = self.opener("branchheads.cache", "w", atomictemp=True)
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448 f.write("%s %s\n" % (hex(tip), tiprev))
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449 for label, nodes in branches.iteritems():
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450 for node in nodes:
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451 f.write("%s %s\n" % (hex(node), label))
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452 f.rename()
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453 except (IOError, OSError):
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454 pass
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455
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456 def _updatebranchcache(self, partial, start, end):
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457 # collect new branch entries
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458 newbranches = {}
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459 for r in xrange(start, end):
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460 c = self[r]
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461 newbranches.setdefault(c.branch(), []).append(c.node())
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462 # if older branchheads are reachable from new ones, they aren't
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463 # really branchheads. Note checking parents is insufficient:
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464 # 1 (branch a) -> 2 (branch b) -> 3 (branch a)
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465 for branch, newnodes in newbranches.iteritems():
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466 bheads = partial.setdefault(branch, [])
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467 bheads.extend(newnodes)
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468 if len(bheads) < 2:
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469 continue
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470 newbheads = []
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471 # starting from tip means fewer passes over reachable
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472 while newnodes:
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473 latest = newnodes.pop()
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474 if latest not in bheads:
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475 continue
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476 minbhrev = self[min([self[bh].rev() for bh in bheads])].node()
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477 reachable = self.changelog.reachable(latest, minbhrev)
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478 bheads = [b for b in bheads if b not in reachable]
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479 newbheads.insert(0, latest)
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480 bheads.extend(newbheads)
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481 partial[branch] = bheads
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482
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483 def lookup(self, key):
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484 if isinstance(key, int):
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485 return self.changelog.node(key)
|
|
486 elif key == '.':
|
|
487 return self.dirstate.parents()[0]
|
|
488 elif key == 'null':
|
|
489 return nullid
|
|
490 elif key == 'tip':
|
|
491 return self.changelog.tip()
|
|
492 n = self.changelog._match(key)
|
|
493 if n:
|
|
494 return n
|
|
495 if key in self.tags():
|
|
496 return self.tags()[key]
|
|
497 if key in self.branchtags():
|
|
498 return self.branchtags()[key]
|
|
499 n = self.changelog._partialmatch(key)
|
|
500 if n:
|
|
501 return n
|
|
502
|
|
503 # can't find key, check if it might have come from damaged dirstate
|
|
504 if key in self.dirstate.parents():
|
|
505 raise error.Abort(_("working directory has unknown parent '%s'!")
|
|
506 % short(key))
|
|
507 try:
|
|
508 if len(key) == 20:
|
|
509 key = hex(key)
|
|
510 except:
|
|
511 pass
|
|
512 raise error.RepoError(_("unknown revision '%s'") % key)
|
|
513
|
|
514 def local(self):
|
|
515 return True
|
|
516
|
|
517 def join(self, f):
|
|
518 return os.path.join(self.path, f)
|
|
519
|
|
520 def wjoin(self, f):
|
|
521 return os.path.join(self.root, f)
|
|
522
|
|
523 def rjoin(self, f):
|
|
524 return os.path.join(self.root, util.pconvert(f))
|
|
525
|
|
526 def file(self, f):
|
|
527 if f[0] == '/':
|
|
528 f = f[1:]
|
|
529 return filelog.filelog(self.sopener, f)
|
|
530
|
|
531 def changectx(self, changeid):
|
|
532 return self[changeid]
|
|
533
|
|
534 def parents(self, changeid=None):
|
|
535 '''get list of changectxs for parents of changeid'''
|
|
536 return self[changeid].parents()
|
|
537
|
|
538 def filectx(self, path, changeid=None, fileid=None):
|
|
539 """changeid can be a changeset revision, node, or tag.
|
|
540 fileid can be a file revision or node."""
|
|
541 return context.filectx(self, path, changeid, fileid)
|
|
542
|
|
543 def getcwd(self):
|
|
544 return self.dirstate.getcwd()
|
|
545
|
|
546 def pathto(self, f, cwd=None):
|
|
547 return self.dirstate.pathto(f, cwd)
|
|
548
|
|
549 def wfile(self, f, mode='r'):
|
|
550 return self.wopener(f, mode)
|
|
551
|
|
552 def _link(self, f):
|
|
553 return os.path.islink(self.wjoin(f))
|
|
554
|
|
555 def _filter(self, filter, filename, data):
|
|
556 if filter not in self.filterpats:
|
|
557 l = []
|
|
558 for pat, cmd in self.ui.configitems(filter):
|
|
559 if cmd == '!':
|
|
560 continue
|
|
561 mf = match_.match(self.root, '', [pat])
|
|
562 fn = None
|
|
563 params = cmd
|
|
564 for name, filterfn in self._datafilters.iteritems():
|
|
565 if cmd.startswith(name):
|
|
566 fn = filterfn
|
|
567 params = cmd[len(name):].lstrip()
|
|
568 break
|
|
569 if not fn:
|
|
570 fn = lambda s, c, **kwargs: util.filter(s, c)
|
|
571 # Wrap old filters not supporting keyword arguments
|
|
572 if not inspect.getargspec(fn)[2]:
|
|
573 oldfn = fn
|
|
574 fn = lambda s, c, **kwargs: oldfn(s, c)
|
|
575 l.append((mf, fn, params))
|
|
576 self.filterpats[filter] = l
|
|
577
|
|
578 for mf, fn, cmd in self.filterpats[filter]:
|
|
579 if mf(filename):
|
|
580 self.ui.debug(_("filtering %s through %s\n") % (filename, cmd))
|
|
581 data = fn(data, cmd, ui=self.ui, repo=self, filename=filename)
|
|
582 break
|
|
583
|
|
584 return data
|
|
585
|
|
586 def adddatafilter(self, name, filter):
|
|
587 self._datafilters[name] = filter
|
|
588
|
|
589 def wread(self, filename):
|
|
590 if self._link(filename):
|
|
591 data = os.readlink(self.wjoin(filename))
|
|
592 else:
|
|
593 data = self.wopener(filename, 'r').read()
|
|
594 return self._filter("encode", filename, data)
|
|
595
|
|
596 def wwrite(self, filename, data, flags):
|
|
597 data = self._filter("decode", filename, data)
|
|
598 try:
|
|
599 os.unlink(self.wjoin(filename))
|
|
600 except OSError:
|
|
601 pass
|
|
602 if 'l' in flags:
|
|
603 self.wopener.symlink(data, filename)
|
|
604 else:
|
|
605 self.wopener(filename, 'w').write(data)
|
|
606 if 'x' in flags:
|
|
607 util.set_flags(self.wjoin(filename), False, True)
|
|
608
|
|
609 def wwritedata(self, filename, data):
|
|
610 return self._filter("decode", filename, data)
|
|
611
|
|
612 def transaction(self):
|
|
613 tr = self._transref and self._transref() or None
|
|
614 if tr and tr.running():
|
|
615 return tr.nest()
|
|
616
|
|
617 # abort here if the journal already exists
|
|
618 if os.path.exists(self.sjoin("journal")):
|
|
619 raise error.RepoError(_("journal already exists - run hg recover"))
|
|
620
|
|
621 # save dirstate for rollback
|
|
622 try:
|
|
623 ds = self.opener("dirstate").read()
|
|
624 except IOError:
|
|
625 ds = ""
|
|
626 self.opener("journal.dirstate", "w").write(ds)
|
|
627 self.opener("journal.branch", "w").write(self.dirstate.branch())
|
|
628
|
|
629 renames = [(self.sjoin("journal"), self.sjoin("undo")),
|
|
630 (self.join("journal.dirstate"), self.join("undo.dirstate")),
|
|
631 (self.join("journal.branch"), self.join("undo.branch"))]
|
|
632 tr = transaction.transaction(self.ui.warn, self.sopener,
|
|
633 self.sjoin("journal"),
|
|
634 aftertrans(renames),
|
|
635 self.store.createmode)
|
|
636 self._transref = weakref.ref(tr)
|
|
637 return tr
|
|
638
|
|
639 def recover(self):
|
|
640 lock = self.lock()
|
|
641 try:
|
|
642 if os.path.exists(self.sjoin("journal")):
|
|
643 self.ui.status(_("rolling back interrupted transaction\n"))
|
|
644 transaction.rollback(self.sopener, self.sjoin("journal"), self.ui.warn)
|
|
645 self.invalidate()
|
|
646 return True
|
|
647 else:
|
|
648 self.ui.warn(_("no interrupted transaction available\n"))
|
|
649 return False
|
|
650 finally:
|
|
651 lock.release()
|
|
652
|
|
653 def rollback(self):
|
|
654 wlock = lock = None
|
|
655 try:
|
|
656 wlock = self.wlock()
|
|
657 lock = self.lock()
|
|
658 if os.path.exists(self.sjoin("undo")):
|
|
659 self.ui.status(_("rolling back last transaction\n"))
|
|
660 transaction.rollback(self.sopener, self.sjoin("undo"), self.ui.warn)
|
|
661 util.rename(self.join("undo.dirstate"), self.join("dirstate"))
|
|
662 try:
|
|
663 branch = self.opener("undo.branch").read()
|
|
664 self.dirstate.setbranch(branch)
|
|
665 except IOError:
|
|
666 self.ui.warn(_("Named branch could not be reset, "
|
|
667 "current branch still is: %s\n")
|
|
668 % encoding.tolocal(self.dirstate.branch()))
|
|
669 self.invalidate()
|
|
670 self.dirstate.invalidate()
|
|
671 else:
|
|
672 self.ui.warn(_("no rollback information available\n"))
|
|
673 finally:
|
|
674 release(lock, wlock)
|
|
675
|
|
676 def invalidate(self):
|
|
677 for a in "changelog manifest".split():
|
|
678 if a in self.__dict__:
|
|
679 delattr(self, a)
|
|
680 self.tagscache = None
|
|
681 self._tagstypecache = None
|
|
682 self.nodetagscache = None
|
|
683 self.branchcache = None
|
|
684 self._ubranchcache = None
|
|
685 self._branchcachetip = None
|
|
686
|
|
687 def _lock(self, lockname, wait, releasefn, acquirefn, desc):
|
|
688 try:
|
|
689 l = lock.lock(lockname, 0, releasefn, desc=desc)
|
|
690 except error.LockHeld, inst:
|
|
691 if not wait:
|
|
692 raise
|
|
693 self.ui.warn(_("waiting for lock on %s held by %r\n") %
|
|
694 (desc, inst.locker))
|
|
695 # default to 600 seconds timeout
|
|
696 l = lock.lock(lockname, int(self.ui.config("ui", "timeout", "600")),
|
|
697 releasefn, desc=desc)
|
|
698 if acquirefn:
|
|
699 acquirefn()
|
|
700 return l
|
|
701
|
|
702 def lock(self, wait=True):
|
|
703 l = self._lockref and self._lockref()
|
|
704 if l is not None and l.held:
|
|
705 l.lock()
|
|
706 return l
|
|
707
|
|
708 l = self._lock(self.sjoin("lock"), wait, None, self.invalidate,
|
|
709 _('repository %s') % self.origroot)
|
|
710 self._lockref = weakref.ref(l)
|
|
711 return l
|
|
712
|
|
713 def wlock(self, wait=True):
|
|
714 l = self._wlockref and self._wlockref()
|
|
715 if l is not None and l.held:
|
|
716 l.lock()
|
|
717 return l
|
|
718
|
|
719 l = self._lock(self.join("wlock"), wait, self.dirstate.write,
|
|
720 self.dirstate.invalidate, _('working directory of %s') %
|
|
721 self.origroot)
|
|
722 self._wlockref = weakref.ref(l)
|
|
723 return l
|
|
724
|
|
725 def _filecommit(self, fctx, manifest1, manifest2, linkrev, tr, changelist):
|
|
726 """
|
|
727 commit an individual file as part of a larger transaction
|
|
728 """
|
|
729
|
|
730 fname = fctx.path()
|
|
731 text = fctx.data()
|
|
732 flog = self.file(fname)
|
|
733 fparent1 = manifest1.get(fname, nullid)
|
|
734 fparent2 = fparent2o = manifest2.get(fname, nullid)
|
|
735
|
|
736 meta = {}
|
|
737 copy = fctx.renamed()
|
|
738 if copy and copy[0] != fname:
|
|
739 # Mark the new revision of this file as a copy of another
|
|
740 # file. This copy data will effectively act as a parent
|
|
741 # of this new revision. If this is a merge, the first
|
|
742 # parent will be the nullid (meaning "look up the copy data")
|
|
743 # and the second one will be the other parent. For example:
|
|
744 #
|
|
745 # 0 --- 1 --- 3 rev1 changes file foo
|
|
746 # \ / rev2 renames foo to bar and changes it
|
|
747 # \- 2 -/ rev3 should have bar with all changes and
|
|
748 # should record that bar descends from
|
|
749 # bar in rev2 and foo in rev1
|
|
750 #
|
|
751 # this allows this merge to succeed:
|
|
752 #
|
|
753 # 0 --- 1 --- 3 rev4 reverts the content change from rev2
|
|
754 # \ / merging rev3 and rev4 should use bar@rev2
|
|
755 # \- 2 --- 4 as the merge base
|
|
756 #
|
|
757
|
|
758 cfname = copy[0]
|
|
759 crev = manifest1.get(cfname)
|
|
760 newfparent = fparent2
|
|
761
|
|
762 if manifest2: # branch merge
|
|
763 if fparent2 == nullid or crev is None: # copied on remote side
|
|
764 if cfname in manifest2:
|
|
765 crev = manifest2[cfname]
|
|
766 newfparent = fparent1
|
|
767
|
|
768 # find source in nearest ancestor if we've lost track
|
|
769 if not crev:
|
|
770 self.ui.debug(_(" %s: searching for copy revision for %s\n") %
|
|
771 (fname, cfname))
|
|
772 for ancestor in self['.'].ancestors():
|
|
773 if cfname in ancestor:
|
|
774 crev = ancestor[cfname].filenode()
|
|
775 break
|
|
776
|
|
777 self.ui.debug(_(" %s: copy %s:%s\n") % (fname, cfname, hex(crev)))
|
|
778 meta["copy"] = cfname
|
|
779 meta["copyrev"] = hex(crev)
|
|
780 fparent1, fparent2 = nullid, newfparent
|
|
781 elif fparent2 != nullid:
|
|
782 # is one parent an ancestor of the other?
|
|
783 fparentancestor = flog.ancestor(fparent1, fparent2)
|
|
784 if fparentancestor == fparent1:
|
|
785 fparent1, fparent2 = fparent2, nullid
|
|
786 elif fparentancestor == fparent2:
|
|
787 fparent2 = nullid
|
|
788
|
|
789 # is the file changed?
|
|
790 if fparent2 != nullid or flog.cmp(fparent1, text) or meta:
|
|
791 changelist.append(fname)
|
|
792 return flog.add(text, meta, tr, linkrev, fparent1, fparent2)
|
|
793
|
|
794 # are just the flags changed during merge?
|
|
795 if fparent1 != fparent2o and manifest1.flags(fname) != fctx.flags():
|
|
796 changelist.append(fname)
|
|
797
|
|
798 return fparent1
|
|
799
|
|
800 def commit(self, text="", user=None, date=None, match=None, force=False,
|
|
801 editor=False, extra={}):
|
|
802 """Add a new revision to current repository.
|
|
803
|
|
804 Revision information is gathered from the working directory,
|
|
805 match can be used to filter the committed files. If editor is
|
|
806 supplied, it is called to get a commit message.
|
|
807 """
|
|
808
|
|
809 def fail(f, msg):
|
|
810 raise util.Abort('%s: %s' % (f, msg))
|
|
811
|
|
812 if not match:
|
|
813 match = match_.always(self.root, '')
|
|
814
|
|
815 if not force:
|
|
816 vdirs = []
|
|
817 match.dir = vdirs.append
|
|
818 match.bad = fail
|
|
819
|
|
820 wlock = self.wlock()
|
|
821 try:
|
|
822 p1, p2 = self.dirstate.parents()
|
|
823 wctx = self[None]
|
|
824
|
|
825 if (not force and p2 != nullid and match and
|
|
826 (match.files() or match.anypats())):
|
|
827 raise util.Abort(_('cannot partially commit a merge '
|
|
828 '(do not specify files or patterns)'))
|
|
829
|
|
830 changes = self.status(match=match, clean=force)
|
|
831 if force:
|
|
832 changes[0].extend(changes[6]) # mq may commit unchanged files
|
|
833
|
|
834 # check subrepos
|
|
835 subs = []
|
|
836 for s in wctx.substate:
|
|
837 if match(s) and wctx.sub(s).dirty():
|
|
838 subs.append(s)
|
|
839 if subs and '.hgsubstate' not in changes[0]:
|
|
840 changes[0].insert(0, '.hgsubstate')
|
|
841
|
|
842 # make sure all explicit patterns are matched
|
|
843 if not force and match.files():
|
|
844 matched = set(changes[0] + changes[1] + changes[2])
|
|
845
|
|
846 for f in match.files():
|
|
847 if f == '.' or f in matched or f in wctx.substate:
|
|
848 continue
|
|
849 if f in changes[3]: # missing
|
|
850 fail(f, _('file not found!'))
|
|
851 if f in vdirs: # visited directory
|
|
852 d = f + '/'
|
|
853 for mf in matched:
|
|
854 if mf.startswith(d):
|
|
855 break
|
|
856 else:
|
|
857 fail(f, _("no match under directory!"))
|
|
858 elif f not in self.dirstate:
|
|
859 fail(f, _("file not tracked!"))
|
|
860
|
|
861 if (not force and not extra.get("close") and p2 == nullid
|
|
862 and not (changes[0] or changes[1] or changes[2])
|
|
863 and self[None].branch() == self['.'].branch()):
|
|
864 return None
|
|
865
|
|
866 ms = merge_.mergestate(self)
|
|
867 for f in changes[0]:
|
|
868 if f in ms and ms[f] == 'u':
|
|
869 raise util.Abort(_("unresolved merge conflicts "
|
|
870 "(see hg resolve)"))
|
|
871
|
|
872 cctx = context.workingctx(self, (p1, p2), text, user, date,
|
|
873 extra, changes)
|
|
874 if editor:
|
|
875 cctx._text = editor(self, cctx, subs)
|
|
876
|
|
877 # commit subs
|
|
878 if subs:
|
|
879 state = wctx.substate.copy()
|
|
880 for s in subs:
|
|
881 self.ui.status(_('committing subrepository %s\n') % s)
|
|
882 sr = wctx.sub(s).commit(cctx._text, user, date)
|
|
883 state[s] = (state[s][0], sr)
|
|
884 subrepo.writestate(self, state)
|
|
885
|
|
886 ret = self.commitctx(cctx, True)
|
|
887
|
|
888 # update dirstate and mergestate
|
|
889 for f in changes[0] + changes[1]:
|
|
890 self.dirstate.normal(f)
|
|
891 for f in changes[2]:
|
|
892 self.dirstate.forget(f)
|
|
893 self.dirstate.setparents(ret)
|
|
894 ms.reset()
|
|
895
|
|
896 return ret
|
|
897
|
|
898 finally:
|
|
899 wlock.release()
|
|
900
|
|
901 def commitctx(self, ctx, error=False):
|
|
902 """Add a new revision to current repository.
|
|
903
|
|
904 Revision information is passed via the context argument.
|
|
905 """
|
|
906
|
|
907 tr = lock = None
|
|
908 removed = ctx.removed()
|
|
909 p1, p2 = ctx.p1(), ctx.p2()
|
|
910 m1 = p1.manifest().copy()
|
|
911 m2 = p2.manifest()
|
|
912 user = ctx.user()
|
|
913
|
|
914 xp1, xp2 = p1.hex(), p2 and p2.hex() or ''
|
|
915 self.hook("precommit", throw=True, parent1=xp1, parent2=xp2)
|
|
916
|
|
917 lock = self.lock()
|
|
918 try:
|
|
919 tr = self.transaction()
|
|
920 trp = weakref.proxy(tr)
|
|
921
|
|
922 # check in files
|
|
923 new = {}
|
|
924 changed = []
|
|
925 linkrev = len(self)
|
|
926 for f in sorted(ctx.modified() + ctx.added()):
|
|
927 self.ui.note(f + "\n")
|
|
928 try:
|
|
929 fctx = ctx[f]
|
|
930 new[f] = self._filecommit(fctx, m1, m2, linkrev, trp,
|
|
931 changed)
|
|
932 m1.set(f, fctx.flags())
|
|
933 except (OSError, IOError):
|
|
934 if error:
|
|
935 self.ui.warn(_("trouble committing %s!\n") % f)
|
|
936 raise
|
|
937 else:
|
|
938 removed.append(f)
|
|
939
|
|
940 # update manifest
|
|
941 m1.update(new)
|
|
942 removed = [f for f in sorted(removed) if f in m1 or f in m2]
|
|
943 drop = [f for f in removed if f in m1]
|
|
944 for f in drop:
|
|
945 del m1[f]
|
|
946 mn = self.manifest.add(m1, trp, linkrev, p1.manifestnode(),
|
|
947 p2.manifestnode(), (new, drop))
|
|
948
|
|
949 # update changelog
|
|
950 self.changelog.delayupdate()
|
|
951 n = self.changelog.add(mn, changed + removed, ctx.description(),
|
|
952 trp, p1.node(), p2.node(),
|
|
953 user, ctx.date(), ctx.extra().copy())
|
|
954 p = lambda: self.changelog.writepending() and self.root or ""
|
|
955 self.hook('pretxncommit', throw=True, node=hex(n), parent1=xp1,
|
|
956 parent2=xp2, pending=p)
|
|
957 self.changelog.finalize(trp)
|
|
958 tr.close()
|
|
959
|
|
960 if self.branchcache:
|
|
961 self.branchtags()
|
|
962
|
|
963 self.hook("commit", node=hex(n), parent1=xp1, parent2=xp2)
|
|
964 return n
|
|
965 finally:
|
|
966 del tr
|
|
967 lock.release()
|
|
968
|
|
969 def walk(self, match, node=None):
|
|
970 '''
|
|
971 walk recursively through the directory tree or a given
|
|
972 changeset, finding all files matched by the match
|
|
973 function
|
|
974 '''
|
|
975 return self[node].walk(match)
|
|
976
|
|
977 def status(self, node1='.', node2=None, match=None,
|
|
978 ignored=False, clean=False, unknown=False):
|
|
979 """return status of files between two nodes or node and working directory
|
|
980
|
|
981 If node1 is None, use the first dirstate parent instead.
|
|
982 If node2 is None, compare node1 with working directory.
|
|
983 """
|
|
984
|
|
985 def mfmatches(ctx):
|
|
986 mf = ctx.manifest().copy()
|
|
987 for fn in mf.keys():
|
|
988 if not match(fn):
|
|
989 del mf[fn]
|
|
990 return mf
|
|
991
|
|
992 if isinstance(node1, context.changectx):
|
|
993 ctx1 = node1
|
|
994 else:
|
|
995 ctx1 = self[node1]
|
|
996 if isinstance(node2, context.changectx):
|
|
997 ctx2 = node2
|
|
998 else:
|
|
999 ctx2 = self[node2]
|
|
1000
|
|
1001 working = ctx2.rev() is None
|
|
1002 parentworking = working and ctx1 == self['.']
|
|
1003 match = match or match_.always(self.root, self.getcwd())
|
|
1004 listignored, listclean, listunknown = ignored, clean, unknown
|
|
1005
|
|
1006 # load earliest manifest first for caching reasons
|
|
1007 if not working and ctx2.rev() < ctx1.rev():
|
|
1008 ctx2.manifest()
|
|
1009
|
|
1010 if not parentworking:
|
|
1011 def bad(f, msg):
|
|
1012 if f not in ctx1:
|
|
1013 self.ui.warn('%s: %s\n' % (self.dirstate.pathto(f), msg))
|
|
1014 match.bad = bad
|
|
1015
|
|
1016 if working: # we need to scan the working dir
|
|
1017 s = self.dirstate.status(match, listignored, listclean, listunknown)
|
|
1018 cmp, modified, added, removed, deleted, unknown, ignored, clean = s
|
|
1019
|
|
1020 # check for any possibly clean files
|
|
1021 if parentworking and cmp:
|
|
1022 fixup = []
|
|
1023 # do a full compare of any files that might have changed
|
|
1024 for f in sorted(cmp):
|
|
1025 if (f not in ctx1 or ctx2.flags(f) != ctx1.flags(f)
|
|
1026 or ctx1[f].cmp(ctx2[f].data())):
|
|
1027 modified.append(f)
|
|
1028 else:
|
|
1029 fixup.append(f)
|
|
1030
|
|
1031 if listclean:
|
|
1032 clean += fixup
|
|
1033
|
|
1034 # update dirstate for files that are actually clean
|
|
1035 if fixup:
|
|
1036 try:
|
|
1037 # updating the dirstate is optional
|
|
1038 # so we don't wait on the lock
|
|
1039 wlock = self.wlock(False)
|
|
1040 try:
|
|
1041 for f in fixup:
|
|
1042 self.dirstate.normal(f)
|
|
1043 finally:
|
|
1044 wlock.release()
|
|
1045 except error.LockError:
|
|
1046 pass
|
|
1047
|
|
1048 if not parentworking:
|
|
1049 mf1 = mfmatches(ctx1)
|
|
1050 if working:
|
|
1051 # we are comparing working dir against non-parent
|
|
1052 # generate a pseudo-manifest for the working dir
|
|
1053 mf2 = mfmatches(self['.'])
|
|
1054 for f in cmp + modified + added:
|
|
1055 mf2[f] = None
|
|
1056 mf2.set(f, ctx2.flags(f))
|
|
1057 for f in removed:
|
|
1058 if f in mf2:
|
|
1059 del mf2[f]
|
|
1060 else:
|
|
1061 # we are comparing two revisions
|
|
1062 deleted, unknown, ignored = [], [], []
|
|
1063 mf2 = mfmatches(ctx2)
|
|
1064
|
|
1065 modified, added, clean = [], [], []
|
|
1066 for fn in mf2:
|
|
1067 if fn in mf1:
|
|
1068 if (mf1.flags(fn) != mf2.flags(fn) or
|
|
1069 (mf1[fn] != mf2[fn] and
|
|
1070 (mf2[fn] or ctx1[fn].cmp(ctx2[fn].data())))):
|
|
1071 modified.append(fn)
|
|
1072 elif listclean:
|
|
1073 clean.append(fn)
|
|
1074 del mf1[fn]
|
|
1075 else:
|
|
1076 added.append(fn)
|
|
1077 removed = mf1.keys()
|
|
1078
|
|
1079 r = modified, added, removed, deleted, unknown, ignored, clean
|
|
1080 [l.sort() for l in r]
|
|
1081 return r
|
|
1082
|
|
1083 def add(self, list):
|
|
1084 wlock = self.wlock()
|
|
1085 try:
|
|
1086 rejected = []
|
|
1087 for f in list:
|
|
1088 p = self.wjoin(f)
|
|
1089 try:
|
|
1090 st = os.lstat(p)
|
|
1091 except:
|
|
1092 self.ui.warn(_("%s does not exist!\n") % f)
|
|
1093 rejected.append(f)
|
|
1094 continue
|
|
1095 if st.st_size > 10000000:
|
|
1096 self.ui.warn(_("%s: files over 10MB may cause memory and"
|
|
1097 " performance problems\n"
|
|
1098 "(use 'hg revert %s' to unadd the file)\n")
|
|
1099 % (f, f))
|
|
1100 if not (stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode)):
|
|
1101 self.ui.warn(_("%s not added: only files and symlinks "
|
|
1102 "supported currently\n") % f)
|
|
1103 rejected.append(p)
|
|
1104 elif self.dirstate[f] in 'amn':
|
|
1105 self.ui.warn(_("%s already tracked!\n") % f)
|
|
1106 elif self.dirstate[f] == 'r':
|
|
1107 self.dirstate.normallookup(f)
|
|
1108 else:
|
|
1109 self.dirstate.add(f)
|
|
1110 return rejected
|
|
1111 finally:
|
|
1112 wlock.release()
|
|
1113
|
|
1114 def forget(self, list):
|
|
1115 wlock = self.wlock()
|
|
1116 try:
|
|
1117 for f in list:
|
|
1118 if self.dirstate[f] != 'a':
|
|
1119 self.ui.warn(_("%s not added!\n") % f)
|
|
1120 else:
|
|
1121 self.dirstate.forget(f)
|
|
1122 finally:
|
|
1123 wlock.release()
|
|
1124
|
|
1125 def remove(self, list, unlink=False):
|
|
1126 if unlink:
|
|
1127 for f in list:
|
|
1128 try:
|
|
1129 util.unlink(self.wjoin(f))
|
|
1130 except OSError, inst:
|
|
1131 if inst.errno != errno.ENOENT:
|
|
1132 raise
|
|
1133 wlock = self.wlock()
|
|
1134 try:
|
|
1135 for f in list:
|
|
1136 if unlink and os.path.exists(self.wjoin(f)):
|
|
1137 self.ui.warn(_("%s still exists!\n") % f)
|
|
1138 elif self.dirstate[f] == 'a':
|
|
1139 self.dirstate.forget(f)
|
|
1140 elif f not in self.dirstate:
|
|
1141 self.ui.warn(_("%s not tracked!\n") % f)
|
|
1142 else:
|
|
1143 self.dirstate.remove(f)
|
|
1144 finally:
|
|
1145 wlock.release()
|
|
1146
|
|
1147 def undelete(self, list):
|
|
1148 manifests = [self.manifest.read(self.changelog.read(p)[0])
|
|
1149 for p in self.dirstate.parents() if p != nullid]
|
|
1150 wlock = self.wlock()
|
|
1151 try:
|
|
1152 for f in list:
|
|
1153 if self.dirstate[f] != 'r':
|
|
1154 self.ui.warn(_("%s not removed!\n") % f)
|
|
1155 else:
|
|
1156 m = f in manifests[0] and manifests[0] or manifests[1]
|
|
1157 t = self.file(f).read(m[f])
|
|
1158 self.wwrite(f, t, m.flags(f))
|
|
1159 self.dirstate.normal(f)
|
|
1160 finally:
|
|
1161 wlock.release()
|
|
1162
|
|
1163 def copy(self, source, dest):
|
|
1164 p = self.wjoin(dest)
|
|
1165 if not (os.path.exists(p) or os.path.islink(p)):
|
|
1166 self.ui.warn(_("%s does not exist!\n") % dest)
|
|
1167 elif not (os.path.isfile(p) or os.path.islink(p)):
|
|
1168 self.ui.warn(_("copy failed: %s is not a file or a "
|
|
1169 "symbolic link\n") % dest)
|
|
1170 else:
|
|
1171 wlock = self.wlock()
|
|
1172 try:
|
|
1173 if self.dirstate[dest] in '?r':
|
|
1174 self.dirstate.add(dest)
|
|
1175 self.dirstate.copy(source, dest)
|
|
1176 finally:
|
|
1177 wlock.release()
|
|
1178
|
|
1179 def heads(self, start=None):
|
|
1180 heads = self.changelog.heads(start)
|
|
1181 # sort the output in rev descending order
|
|
1182 heads = [(-self.changelog.rev(h), h) for h in heads]
|
|
1183 return [n for (r, n) in sorted(heads)]
|
|
1184
|
|
1185 def branchheads(self, branch=None, start=None, closed=False):
|
|
1186 if branch is None:
|
|
1187 branch = self[None].branch()
|
|
1188 branches = self.branchmap()
|
|
1189 if branch not in branches:
|
|
1190 return []
|
|
1191 bheads = branches[branch]
|
|
1192 # the cache returns heads ordered lowest to highest
|
|
1193 bheads.reverse()
|
|
1194 if start is not None:
|
|
1195 # filter out the heads that cannot be reached from startrev
|
|
1196 bheads = self.changelog.nodesbetween([start], bheads)[2]
|
|
1197 if not closed:
|
|
1198 bheads = [h for h in bheads if
|
|
1199 ('close' not in self.changelog.read(h)[5])]
|
|
1200 return bheads
|
|
1201
|
|
1202 def branches(self, nodes):
|
|
1203 if not nodes:
|
|
1204 nodes = [self.changelog.tip()]
|
|
1205 b = []
|
|
1206 for n in nodes:
|
|
1207 t = n
|
|
1208 while 1:
|
|
1209 p = self.changelog.parents(n)
|
|
1210 if p[1] != nullid or p[0] == nullid:
|
|
1211 b.append((t, n, p[0], p[1]))
|
|
1212 break
|
|
1213 n = p[0]
|
|
1214 return b
|
|
1215
|
|
1216 def between(self, pairs):
|
|
1217 r = []
|
|
1218
|
|
1219 for top, bottom in pairs:
|
|
1220 n, l, i = top, [], 0
|
|
1221 f = 1
|
|
1222
|
|
1223 while n != bottom and n != nullid:
|
|
1224 p = self.changelog.parents(n)[0]
|
|
1225 if i == f:
|
|
1226 l.append(n)
|
|
1227 f = f * 2
|
|
1228 n = p
|
|
1229 i += 1
|
|
1230
|
|
1231 r.append(l)
|
|
1232
|
|
1233 return r
|
|
1234
|
|
1235 def findincoming(self, remote, base=None, heads=None, force=False):
|
|
1236 """Return list of roots of the subsets of missing nodes from remote
|
|
1237
|
|
1238 If base dict is specified, assume that these nodes and their parents
|
|
1239 exist on the remote side and that no child of a node of base exists
|
|
1240 in both remote and self.
|
|
1241 Furthermore base will be updated to include the nodes that exists
|
|
1242 in self and remote but no children exists in self and remote.
|
|
1243 If a list of heads is specified, return only nodes which are heads
|
|
1244 or ancestors of these heads.
|
|
1245
|
|
1246 All the ancestors of base are in self and in remote.
|
|
1247 All the descendants of the list returned are missing in self.
|
|
1248 (and so we know that the rest of the nodes are missing in remote, see
|
|
1249 outgoing)
|
|
1250 """
|
|
1251 return self.findcommonincoming(remote, base, heads, force)[1]
|
|
1252
|
|
1253 def findcommonincoming(self, remote, base=None, heads=None, force=False):
|
|
1254 """Return a tuple (common, missing roots, heads) used to identify
|
|
1255 missing nodes from remote.
|
|
1256
|
|
1257 If base dict is specified, assume that these nodes and their parents
|
|
1258 exist on the remote side and that no child of a node of base exists
|
|
1259 in both remote and self.
|
|
1260 Furthermore base will be updated to include the nodes that exists
|
|
1261 in self and remote but no children exists in self and remote.
|
|
1262 If a list of heads is specified, return only nodes which are heads
|
|
1263 or ancestors of these heads.
|
|
1264
|
|
1265 All the ancestors of base are in self and in remote.
|
|
1266 """
|
|
1267 m = self.changelog.nodemap
|
|
1268 search = []
|
|
1269 fetch = set()
|
|
1270 seen = set()
|
|
1271 seenbranch = set()
|
|
1272 if base is None:
|
|
1273 base = {}
|
|
1274
|
|
1275 if not heads:
|
|
1276 heads = remote.heads()
|
|
1277
|
|
1278 if self.changelog.tip() == nullid:
|
|
1279 base[nullid] = 1
|
|
1280 if heads != [nullid]:
|
|
1281 return [nullid], [nullid], list(heads)
|
|
1282 return [nullid], [], []
|
|
1283
|
|
1284 # assume we're closer to the tip than the root
|
|
1285 # and start by examining the heads
|
|
1286 self.ui.status(_("searching for changes\n"))
|
|
1287
|
|
1288 unknown = []
|
|
1289 for h in heads:
|
|
1290 if h not in m:
|
|
1291 unknown.append(h)
|
|
1292 else:
|
|
1293 base[h] = 1
|
|
1294
|
|
1295 heads = unknown
|
|
1296 if not unknown:
|
|
1297 return base.keys(), [], []
|
|
1298
|
|
1299 req = set(unknown)
|
|
1300 reqcnt = 0
|
|
1301
|
|
1302 # search through remote branches
|
|
1303 # a 'branch' here is a linear segment of history, with four parts:
|
|
1304 # head, root, first parent, second parent
|
|
1305 # (a branch always has two parents (or none) by definition)
|
|
1306 unknown = remote.branches(unknown)
|
|
1307 while unknown:
|
|
1308 r = []
|
|
1309 while unknown:
|
|
1310 n = unknown.pop(0)
|
|
1311 if n[0] in seen:
|
|
1312 continue
|
|
1313
|
|
1314 self.ui.debug(_("examining %s:%s\n")
|
|
1315 % (short(n[0]), short(n[1])))
|
|
1316 if n[0] == nullid: # found the end of the branch
|
|
1317 pass
|
|
1318 elif n in seenbranch:
|
|
1319 self.ui.debug(_("branch already found\n"))
|
|
1320 continue
|
|
1321 elif n[1] and n[1] in m: # do we know the base?
|
|
1322 self.ui.debug(_("found incomplete branch %s:%s\n")
|
|
1323 % (short(n[0]), short(n[1])))
|
|
1324 search.append(n[0:2]) # schedule branch range for scanning
|
|
1325 seenbranch.add(n)
|
|
1326 else:
|
|
1327 if n[1] not in seen and n[1] not in fetch:
|
|
1328 if n[2] in m and n[3] in m:
|
|
1329 self.ui.debug(_("found new changeset %s\n") %
|
|
1330 short(n[1]))
|
|
1331 fetch.add(n[1]) # earliest unknown
|
|
1332 for p in n[2:4]:
|
|
1333 if p in m:
|
|
1334 base[p] = 1 # latest known
|
|
1335
|
|
1336 for p in n[2:4]:
|
|
1337 if p not in req and p not in m:
|
|
1338 r.append(p)
|
|
1339 req.add(p)
|
|
1340 seen.add(n[0])
|
|
1341
|
|
1342 if r:
|
|
1343 reqcnt += 1
|
|
1344 self.ui.debug(_("request %d: %s\n") %
|
|
1345 (reqcnt, " ".join(map(short, r))))
|
|
1346 for p in xrange(0, len(r), 10):
|
|
1347 for b in remote.branches(r[p:p+10]):
|
|
1348 self.ui.debug(_("received %s:%s\n") %
|
|
1349 (short(b[0]), short(b[1])))
|
|
1350 unknown.append(b)
|
|
1351
|
|
1352 # do binary search on the branches we found
|
|
1353 while search:
|
|
1354 newsearch = []
|
|
1355 reqcnt += 1
|
|
1356 for n, l in zip(search, remote.between(search)):
|
|
1357 l.append(n[1])
|
|
1358 p = n[0]
|
|
1359 f = 1
|
|
1360 for i in l:
|
|
1361 self.ui.debug(_("narrowing %d:%d %s\n") % (f, len(l), short(i)))
|
|
1362 if i in m:
|
|
1363 if f <= 2:
|
|
1364 self.ui.debug(_("found new branch changeset %s\n") %
|
|
1365 short(p))
|
|
1366 fetch.add(p)
|
|
1367 base[i] = 1
|
|
1368 else:
|
|
1369 self.ui.debug(_("narrowed branch search to %s:%s\n")
|
|
1370 % (short(p), short(i)))
|
|
1371 newsearch.append((p, i))
|
|
1372 break
|
|
1373 p, f = i, f * 2
|
|
1374 search = newsearch
|
|
1375
|
|
1376 # sanity check our fetch list
|
|
1377 for f in fetch:
|
|
1378 if f in m:
|
|
1379 raise error.RepoError(_("already have changeset ")
|
|
1380 + short(f[:4]))
|
|
1381
|
|
1382 if base.keys() == [nullid]:
|
|
1383 if force:
|
|
1384 self.ui.warn(_("warning: repository is unrelated\n"))
|
|
1385 else:
|
|
1386 raise util.Abort(_("repository is unrelated"))
|
|
1387
|
|
1388 self.ui.debug(_("found new changesets starting at ") +
|
|
1389 " ".join([short(f) for f in fetch]) + "\n")
|
|
1390
|
|
1391 self.ui.debug(_("%d total queries\n") % reqcnt)
|
|
1392
|
|
1393 return base.keys(), list(fetch), heads
|
|
1394
|
|
1395 def findoutgoing(self, remote, base=None, heads=None, force=False):
|
|
1396 """Return list of nodes that are roots of subsets not in remote
|
|
1397
|
|
1398 If base dict is specified, assume that these nodes and their parents
|
|
1399 exist on the remote side.
|
|
1400 If a list of heads is specified, return only nodes which are heads
|
|
1401 or ancestors of these heads, and return a second element which
|
|
1402 contains all remote heads which get new children.
|
|
1403 """
|
|
1404 if base is None:
|
|
1405 base = {}
|
|
1406 self.findincoming(remote, base, heads, force=force)
|
|
1407
|
|
1408 self.ui.debug(_("common changesets up to ")
|
|
1409 + " ".join(map(short, base.keys())) + "\n")
|
|
1410
|
|
1411 remain = set(self.changelog.nodemap)
|
|
1412
|
|
1413 # prune everything remote has from the tree
|
|
1414 remain.remove(nullid)
|
|
1415 remove = base.keys()
|
|
1416 while remove:
|
|
1417 n = remove.pop(0)
|
|
1418 if n in remain:
|
|
1419 remain.remove(n)
|
|
1420 for p in self.changelog.parents(n):
|
|
1421 remove.append(p)
|
|
1422
|
|
1423 # find every node whose parents have been pruned
|
|
1424 subset = []
|
|
1425 # find every remote head that will get new children
|
|
1426 updated_heads = set()
|
|
1427 for n in remain:
|
|
1428 p1, p2 = self.changelog.parents(n)
|
|
1429 if p1 not in remain and p2 not in remain:
|
|
1430 subset.append(n)
|
|
1431 if heads:
|
|
1432 if p1 in heads:
|
|
1433 updated_heads.add(p1)
|
|
1434 if p2 in heads:
|
|
1435 updated_heads.add(p2)
|
|
1436
|
|
1437 # this is the set of all roots we have to push
|
|
1438 if heads:
|
|
1439 return subset, list(updated_heads)
|
|
1440 else:
|
|
1441 return subset
|
|
1442
|
|
1443 def pull(self, remote, heads=None, force=False):
|
|
1444 lock = self.lock()
|
|
1445 try:
|
|
1446 common, fetch, rheads = self.findcommonincoming(remote, heads=heads,
|
|
1447 force=force)
|
|
1448 if fetch == [nullid]:
|
|
1449 self.ui.status(_("requesting all changes\n"))
|
|
1450
|
|
1451 if not fetch:
|
|
1452 self.ui.status(_("no changes found\n"))
|
|
1453 return 0
|
|
1454
|
|
1455 if heads is None and remote.capable('changegroupsubset'):
|
|
1456 heads = rheads
|
|
1457
|
|
1458 if heads is None:
|
|
1459 cg = remote.changegroup(fetch, 'pull')
|
|
1460 else:
|
|
1461 if not remote.capable('changegroupsubset'):
|
|
1462 raise util.Abort(_("Partial pull cannot be done because "
|
|
1463 "other repository doesn't support "
|
|
1464 "changegroupsubset."))
|
|
1465 cg = remote.changegroupsubset(fetch, heads, 'pull')
|
|
1466 return self.addchangegroup(cg, 'pull', remote.url())
|
|
1467 finally:
|
|
1468 lock.release()
|
|
1469
|
|
1470 def push(self, remote, force=False, revs=None):
|
|
1471 # there are two ways to push to remote repo:
|
|
1472 #
|
|
1473 # addchangegroup assumes local user can lock remote
|
|
1474 # repo (local filesystem, old ssh servers).
|
|
1475 #
|
|
1476 # unbundle assumes local user cannot lock remote repo (new ssh
|
|
1477 # servers, http servers).
|
|
1478
|
|
1479 if remote.capable('unbundle'):
|
|
1480 return self.push_unbundle(remote, force, revs)
|
|
1481 return self.push_addchangegroup(remote, force, revs)
|
|
1482
|
|
1483 def prepush(self, remote, force, revs):
|
|
1484 common = {}
|
|
1485 remote_heads = remote.heads()
|
|
1486 inc = self.findincoming(remote, common, remote_heads, force=force)
|
|
1487
|
|
1488 update, updated_heads = self.findoutgoing(remote, common, remote_heads)
|
|
1489 if revs is not None:
|
|
1490 msng_cl, bases, heads = self.changelog.nodesbetween(update, revs)
|
|
1491 else:
|
|
1492 bases, heads = update, self.changelog.heads()
|
|
1493
|
|
1494 def checkbranch(lheads, rheads, updatelh):
|
|
1495 '''
|
|
1496 check whether there are more local heads than remote heads on
|
|
1497 a specific branch.
|
|
1498
|
|
1499 lheads: local branch heads
|
|
1500 rheads: remote branch heads
|
|
1501 updatelh: outgoing local branch heads
|
|
1502 '''
|
|
1503
|
|
1504 warn = 0
|
|
1505
|
|
1506 if not revs and len(lheads) > len(rheads):
|
|
1507 warn = 1
|
|
1508 else:
|
|
1509 updatelheads = [self.changelog.heads(x, lheads)
|
|
1510 for x in updatelh]
|
|
1511 newheads = set(sum(updatelheads, [])) & set(lheads)
|
|
1512
|
|
1513 if not newheads:
|
|
1514 return True
|
|
1515
|
|
1516 for r in rheads:
|
|
1517 if r in self.changelog.nodemap:
|
|
1518 desc = self.changelog.heads(r, heads)
|
|
1519 l = [h for h in heads if h in desc]
|
|
1520 if not l:
|
|
1521 newheads.add(r)
|
|
1522 else:
|
|
1523 newheads.add(r)
|
|
1524 if len(newheads) > len(rheads):
|
|
1525 warn = 1
|
|
1526
|
|
1527 if warn:
|
|
1528 if not rheads: # new branch requires --force
|
|
1529 self.ui.warn(_("abort: push creates new"
|
|
1530 " remote branch '%s'!\n") %
|
|
1531 self[updatelh[0]].branch())
|
|
1532 else:
|
|
1533 self.ui.warn(_("abort: push creates new remote heads!\n"))
|
|
1534
|
|
1535 self.ui.status(_("(did you forget to merge?"
|
|
1536 " use push -f to force)\n"))
|
|
1537 return False
|
|
1538 return True
|
|
1539
|
|
1540 if not bases:
|
|
1541 self.ui.status(_("no changes found\n"))
|
|
1542 return None, 1
|
|
1543 elif not force:
|
|
1544 # Check for each named branch if we're creating new remote heads.
|
|
1545 # To be a remote head after push, node must be either:
|
|
1546 # - unknown locally
|
|
1547 # - a local outgoing head descended from update
|
|
1548 # - a remote head that's known locally and not
|
|
1549 # ancestral to an outgoing head
|
|
1550 #
|
|
1551 # New named branches cannot be created without --force.
|
|
1552
|
|
1553 if remote_heads != [nullid]:
|
|
1554 if remote.capable('branchmap'):
|
|
1555 localhds = {}
|
|
1556 if not revs:
|
|
1557 localhds = self.branchmap()
|
|
1558 else:
|
|
1559 for n in heads:
|
|
1560 branch = self[n].branch()
|
|
1561 if branch in localhds:
|
|
1562 localhds[branch].append(n)
|
|
1563 else:
|
|
1564 localhds[branch] = [n]
|
|
1565
|
|
1566 remotehds = remote.branchmap()
|
|
1567
|
|
1568 for lh in localhds:
|
|
1569 if lh in remotehds:
|
|
1570 rheads = remotehds[lh]
|
|
1571 else:
|
|
1572 rheads = []
|
|
1573 lheads = localhds[lh]
|
|
1574 updatelh = [upd for upd in update
|
|
1575 if self[upd].branch() == lh]
|
|
1576 if not updatelh:
|
|
1577 continue
|
|
1578 if not checkbranch(lheads, rheads, updatelh):
|
|
1579 return None, 0
|
|
1580 else:
|
|
1581 if not checkbranch(heads, remote_heads, update):
|
|
1582 return None, 0
|
|
1583
|
|
1584 if inc:
|
|
1585 self.ui.warn(_("note: unsynced remote changes!\n"))
|
|
1586
|
|
1587
|
|
1588 if revs is None:
|
|
1589 # use the fast path, no race possible on push
|
|
1590 cg = self._changegroup(common.keys(), 'push')
|
|
1591 else:
|
|
1592 cg = self.changegroupsubset(update, revs, 'push')
|
|
1593 return cg, remote_heads
|
|
1594
|
|
1595 def push_addchangegroup(self, remote, force, revs):
|
|
1596 lock = remote.lock()
|
|
1597 try:
|
|
1598 ret = self.prepush(remote, force, revs)
|
|
1599 if ret[0] is not None:
|
|
1600 cg, remote_heads = ret
|
|
1601 return remote.addchangegroup(cg, 'push', self.url())
|
|
1602 return ret[1]
|
|
1603 finally:
|
|
1604 lock.release()
|
|
1605
|
|
1606 def push_unbundle(self, remote, force, revs):
|
|
1607 # local repo finds heads on server, finds out what revs it
|
|
1608 # must push. once revs transferred, if server finds it has
|
|
1609 # different heads (someone else won commit/push race), server
|
|
1610 # aborts.
|
|
1611
|
|
1612 ret = self.prepush(remote, force, revs)
|
|
1613 if ret[0] is not None:
|
|
1614 cg, remote_heads = ret
|
|
1615 if force: remote_heads = ['force']
|
|
1616 return remote.unbundle(cg, remote_heads, 'push')
|
|
1617 return ret[1]
|
|
1618
|
|
1619 def changegroupinfo(self, nodes, source):
|
|
1620 if self.ui.verbose or source == 'bundle':
|
|
1621 self.ui.status(_("%d changesets found\n") % len(nodes))
|
|
1622 if self.ui.debugflag:
|
|
1623 self.ui.debug(_("list of changesets:\n"))
|
|
1624 for node in nodes:
|
|
1625 self.ui.debug("%s\n" % hex(node))
|
|
1626
|
|
1627 def changegroupsubset(self, bases, heads, source, extranodes=None):
|
|
1628 """This function generates a changegroup consisting of all the nodes
|
|
1629 that are descendents of any of the bases, and ancestors of any of
|
|
1630 the heads.
|
|
1631
|
|
1632 It is fairly complex as determining which filenodes and which
|
|
1633 manifest nodes need to be included for the changeset to be complete
|
|
1634 is non-trivial.
|
|
1635
|
|
1636 Another wrinkle is doing the reverse, figuring out which changeset in
|
|
1637 the changegroup a particular filenode or manifestnode belongs to.
|
|
1638
|
|
1639 The caller can specify some nodes that must be included in the
|
|
1640 changegroup using the extranodes argument. It should be a dict
|
|
1641 where the keys are the filenames (or 1 for the manifest), and the
|
|
1642 values are lists of (node, linknode) tuples, where node is a wanted
|
|
1643 node and linknode is the changelog node that should be transmitted as
|
|
1644 the linkrev.
|
|
1645 """
|
|
1646
|
|
1647 if extranodes is None:
|
|
1648 # can we go through the fast path ?
|
|
1649 heads.sort()
|
|
1650 allheads = self.heads()
|
|
1651 allheads.sort()
|
|
1652 if heads == allheads:
|
|
1653 common = []
|
|
1654 # parents of bases are known from both sides
|
|
1655 for n in bases:
|
|
1656 for p in self.changelog.parents(n):
|
|
1657 if p != nullid:
|
|
1658 common.append(p)
|
|
1659 return self._changegroup(common, source)
|
|
1660
|
|
1661 self.hook('preoutgoing', throw=True, source=source)
|
|
1662
|
|
1663 # Set up some initial variables
|
|
1664 # Make it easy to refer to self.changelog
|
|
1665 cl = self.changelog
|
|
1666 # msng is short for missing - compute the list of changesets in this
|
|
1667 # changegroup.
|
|
1668 msng_cl_lst, bases, heads = cl.nodesbetween(bases, heads)
|
|
1669 self.changegroupinfo(msng_cl_lst, source)
|
|
1670 # Some bases may turn out to be superfluous, and some heads may be
|
|
1671 # too. nodesbetween will return the minimal set of bases and heads
|
|
1672 # necessary to re-create the changegroup.
|
|
1673
|
|
1674 # Known heads are the list of heads that it is assumed the recipient
|
|
1675 # of this changegroup will know about.
|
|
1676 knownheads = set()
|
|
1677 # We assume that all parents of bases are known heads.
|
|
1678 for n in bases:
|
|
1679 knownheads.update(cl.parents(n))
|
|
1680 knownheads.discard(nullid)
|
|
1681 knownheads = list(knownheads)
|
|
1682 if knownheads:
|
|
1683 # Now that we know what heads are known, we can compute which
|
|
1684 # changesets are known. The recipient must know about all
|
|
1685 # changesets required to reach the known heads from the null
|
|
1686 # changeset.
|
|
1687 has_cl_set, junk, junk = cl.nodesbetween(None, knownheads)
|
|
1688 junk = None
|
|
1689 # Transform the list into a set.
|
|
1690 has_cl_set = set(has_cl_set)
|
|
1691 else:
|
|
1692 # If there were no known heads, the recipient cannot be assumed to
|
|
1693 # know about any changesets.
|
|
1694 has_cl_set = set()
|
|
1695
|
|
1696 # Make it easy to refer to self.manifest
|
|
1697 mnfst = self.manifest
|
|
1698 # We don't know which manifests are missing yet
|
|
1699 msng_mnfst_set = {}
|
|
1700 # Nor do we know which filenodes are missing.
|
|
1701 msng_filenode_set = {}
|
|
1702
|
|
1703 junk = mnfst.index[len(mnfst) - 1] # Get around a bug in lazyindex
|
|
1704 junk = None
|
|
1705
|
|
1706 # A changeset always belongs to itself, so the changenode lookup
|
|
1707 # function for a changenode is identity.
|
|
1708 def identity(x):
|
|
1709 return x
|
|
1710
|
|
1711 # A function generating function. Sets up an environment for the
|
|
1712 # inner function.
|
|
1713 def cmp_by_rev_func(revlog):
|
|
1714 # Compare two nodes by their revision number in the environment's
|
|
1715 # revision history. Since the revision number both represents the
|
|
1716 # most efficient order to read the nodes in, and represents a
|
|
1717 # topological sorting of the nodes, this function is often useful.
|
|
1718 def cmp_by_rev(a, b):
|
|
1719 return cmp(revlog.rev(a), revlog.rev(b))
|
|
1720 return cmp_by_rev
|
|
1721
|
|
1722 # If we determine that a particular file or manifest node must be a
|
|
1723 # node that the recipient of the changegroup will already have, we can
|
|
1724 # also assume the recipient will have all the parents. This function
|
|
1725 # prunes them from the set of missing nodes.
|
|
1726 def prune_parents(revlog, hasset, msngset):
|
|
1727 haslst = list(hasset)
|
|
1728 haslst.sort(cmp_by_rev_func(revlog))
|
|
1729 for node in haslst:
|
|
1730 parentlst = [p for p in revlog.parents(node) if p != nullid]
|
|
1731 while parentlst:
|
|
1732 n = parentlst.pop()
|
|
1733 if n not in hasset:
|
|
1734 hasset.add(n)
|
|
1735 p = [p for p in revlog.parents(n) if p != nullid]
|
|
1736 parentlst.extend(p)
|
|
1737 for n in hasset:
|
|
1738 msngset.pop(n, None)
|
|
1739
|
|
1740 # This is a function generating function used to set up an environment
|
|
1741 # for the inner function to execute in.
|
|
1742 def manifest_and_file_collector(changedfileset):
|
|
1743 # This is an information gathering function that gathers
|
|
1744 # information from each changeset node that goes out as part of
|
|
1745 # the changegroup. The information gathered is a list of which
|
|
1746 # manifest nodes are potentially required (the recipient may
|
|
1747 # already have them) and total list of all files which were
|
|
1748 # changed in any changeset in the changegroup.
|
|
1749 #
|
|
1750 # We also remember the first changenode we saw any manifest
|
|
1751 # referenced by so we can later determine which changenode 'owns'
|
|
1752 # the manifest.
|
|
1753 def collect_manifests_and_files(clnode):
|
|
1754 c = cl.read(clnode)
|
|
1755 for f in c[3]:
|
|
1756 # This is to make sure we only have one instance of each
|
|
1757 # filename string for each filename.
|
|
1758 changedfileset.setdefault(f, f)
|
|
1759 msng_mnfst_set.setdefault(c[0], clnode)
|
|
1760 return collect_manifests_and_files
|
|
1761
|
|
1762 # Figure out which manifest nodes (of the ones we think might be part
|
|
1763 # of the changegroup) the recipient must know about and remove them
|
|
1764 # from the changegroup.
|
|
1765 def prune_manifests():
|
|
1766 has_mnfst_set = set()
|
|
1767 for n in msng_mnfst_set:
|
|
1768 # If a 'missing' manifest thinks it belongs to a changenode
|
|
1769 # the recipient is assumed to have, obviously the recipient
|
|
1770 # must have that manifest.
|
|
1771 linknode = cl.node(mnfst.linkrev(mnfst.rev(n)))
|
|
1772 if linknode in has_cl_set:
|
|
1773 has_mnfst_set.add(n)
|
|
1774 prune_parents(mnfst, has_mnfst_set, msng_mnfst_set)
|
|
1775
|
|
1776 # Use the information collected in collect_manifests_and_files to say
|
|
1777 # which changenode any manifestnode belongs to.
|
|
1778 def lookup_manifest_link(mnfstnode):
|
|
1779 return msng_mnfst_set[mnfstnode]
|
|
1780
|
|
1781 # A function generating function that sets up the initial environment
|
|
1782 # the inner function.
|
|
1783 def filenode_collector(changedfiles):
|
|
1784 next_rev = [0]
|
|
1785 # This gathers information from each manifestnode included in the
|
|
1786 # changegroup about which filenodes the manifest node references
|
|
1787 # so we can include those in the changegroup too.
|
|
1788 #
|
|
1789 # It also remembers which changenode each filenode belongs to. It
|
|
1790 # does this by assuming the a filenode belongs to the changenode
|
|
1791 # the first manifest that references it belongs to.
|
|
1792 def collect_msng_filenodes(mnfstnode):
|
|
1793 r = mnfst.rev(mnfstnode)
|
|
1794 if r == next_rev[0]:
|
|
1795 # If the last rev we looked at was the one just previous,
|
|
1796 # we only need to see a diff.
|
|
1797 deltamf = mnfst.readdelta(mnfstnode)
|
|
1798 # For each line in the delta
|
|
1799 for f, fnode in deltamf.iteritems():
|
|
1800 f = changedfiles.get(f, None)
|
|
1801 # And if the file is in the list of files we care
|
|
1802 # about.
|
|
1803 if f is not None:
|
|
1804 # Get the changenode this manifest belongs to
|
|
1805 clnode = msng_mnfst_set[mnfstnode]
|
|
1806 # Create the set of filenodes for the file if
|
|
1807 # there isn't one already.
|
|
1808 ndset = msng_filenode_set.setdefault(f, {})
|
|
1809 # And set the filenode's changelog node to the
|
|
1810 # manifest's if it hasn't been set already.
|
|
1811 ndset.setdefault(fnode, clnode)
|
|
1812 else:
|
|
1813 # Otherwise we need a full manifest.
|
|
1814 m = mnfst.read(mnfstnode)
|
|
1815 # For every file in we care about.
|
|
1816 for f in changedfiles:
|
|
1817 fnode = m.get(f, None)
|
|
1818 # If it's in the manifest
|
|
1819 if fnode is not None:
|
|
1820 # See comments above.
|
|
1821 clnode = msng_mnfst_set[mnfstnode]
|
|
1822 ndset = msng_filenode_set.setdefault(f, {})
|
|
1823 ndset.setdefault(fnode, clnode)
|
|
1824 # Remember the revision we hope to see next.
|
|
1825 next_rev[0] = r + 1
|
|
1826 return collect_msng_filenodes
|
|
1827
|
|
1828 # We have a list of filenodes we think we need for a file, lets remove
|
|
1829 # all those we know the recipient must have.
|
|
1830 def prune_filenodes(f, filerevlog):
|
|
1831 msngset = msng_filenode_set[f]
|
|
1832 hasset = set()
|
|
1833 # If a 'missing' filenode thinks it belongs to a changenode we
|
|
1834 # assume the recipient must have, then the recipient must have
|
|
1835 # that filenode.
|
|
1836 for n in msngset:
|
|
1837 clnode = cl.node(filerevlog.linkrev(filerevlog.rev(n)))
|
|
1838 if clnode in has_cl_set:
|
|
1839 hasset.add(n)
|
|
1840 prune_parents(filerevlog, hasset, msngset)
|
|
1841
|
|
1842 # A function generator function that sets up the a context for the
|
|
1843 # inner function.
|
|
1844 def lookup_filenode_link_func(fname):
|
|
1845 msngset = msng_filenode_set[fname]
|
|
1846 # Lookup the changenode the filenode belongs to.
|
|
1847 def lookup_filenode_link(fnode):
|
|
1848 return msngset[fnode]
|
|
1849 return lookup_filenode_link
|
|
1850
|
|
1851 # Add the nodes that were explicitly requested.
|
|
1852 def add_extra_nodes(name, nodes):
|
|
1853 if not extranodes or name not in extranodes:
|
|
1854 return
|
|
1855
|
|
1856 for node, linknode in extranodes[name]:
|
|
1857 if node not in nodes:
|
|
1858 nodes[node] = linknode
|
|
1859
|
|
1860 # Now that we have all theses utility functions to help out and
|
|
1861 # logically divide up the task, generate the group.
|
|
1862 def gengroup():
|
|
1863 # The set of changed files starts empty.
|
|
1864 changedfiles = {}
|
|
1865 # Create a changenode group generator that will call our functions
|
|
1866 # back to lookup the owning changenode and collect information.
|
|
1867 group = cl.group(msng_cl_lst, identity,
|
|
1868 manifest_and_file_collector(changedfiles))
|
|
1869 for chnk in group:
|
|
1870 yield chnk
|
|
1871
|
|
1872 # The list of manifests has been collected by the generator
|
|
1873 # calling our functions back.
|
|
1874 prune_manifests()
|
|
1875 add_extra_nodes(1, msng_mnfst_set)
|
|
1876 msng_mnfst_lst = msng_mnfst_set.keys()
|
|
1877 # Sort the manifestnodes by revision number.
|
|
1878 msng_mnfst_lst.sort(cmp_by_rev_func(mnfst))
|
|
1879 # Create a generator for the manifestnodes that calls our lookup
|
|
1880 # and data collection functions back.
|
|
1881 group = mnfst.group(msng_mnfst_lst, lookup_manifest_link,
|
|
1882 filenode_collector(changedfiles))
|
|
1883 for chnk in group:
|
|
1884 yield chnk
|
|
1885
|
|
1886 # These are no longer needed, dereference and toss the memory for
|
|
1887 # them.
|
|
1888 msng_mnfst_lst = None
|
|
1889 msng_mnfst_set.clear()
|
|
1890
|
|
1891 if extranodes:
|
|
1892 for fname in extranodes:
|
|
1893 if isinstance(fname, int):
|
|
1894 continue
|
|
1895 msng_filenode_set.setdefault(fname, {})
|
|
1896 changedfiles[fname] = 1
|
|
1897 # Go through all our files in order sorted by name.
|
|
1898 for fname in sorted(changedfiles):
|
|
1899 filerevlog = self.file(fname)
|
|
1900 if not len(filerevlog):
|
|
1901 raise util.Abort(_("empty or missing revlog for %s") % fname)
|
|
1902 # Toss out the filenodes that the recipient isn't really
|
|
1903 # missing.
|
|
1904 if fname in msng_filenode_set:
|
|
1905 prune_filenodes(fname, filerevlog)
|
|
1906 add_extra_nodes(fname, msng_filenode_set[fname])
|
|
1907 msng_filenode_lst = msng_filenode_set[fname].keys()
|
|
1908 else:
|
|
1909 msng_filenode_lst = []
|
|
1910 # If any filenodes are left, generate the group for them,
|
|
1911 # otherwise don't bother.
|
|
1912 if len(msng_filenode_lst) > 0:
|
|
1913 yield changegroup.chunkheader(len(fname))
|
|
1914 yield fname
|
|
1915 # Sort the filenodes by their revision #
|
|
1916 msng_filenode_lst.sort(cmp_by_rev_func(filerevlog))
|
|
1917 # Create a group generator and only pass in a changenode
|
|
1918 # lookup function as we need to collect no information
|
|
1919 # from filenodes.
|
|
1920 group = filerevlog.group(msng_filenode_lst,
|
|
1921 lookup_filenode_link_func(fname))
|
|
1922 for chnk in group:
|
|
1923 yield chnk
|
|
1924 if fname in msng_filenode_set:
|
|
1925 # Don't need this anymore, toss it to free memory.
|
|
1926 del msng_filenode_set[fname]
|
|
1927 # Signal that no more groups are left.
|
|
1928 yield changegroup.closechunk()
|
|
1929
|
|
1930 if msng_cl_lst:
|
|
1931 self.hook('outgoing', node=hex(msng_cl_lst[0]), source=source)
|
|
1932
|
|
1933 return util.chunkbuffer(gengroup())
|
|
1934
|
|
1935 def changegroup(self, basenodes, source):
|
|
1936 # to avoid a race we use changegroupsubset() (issue1320)
|
|
1937 return self.changegroupsubset(basenodes, self.heads(), source)
|
|
1938
|
|
1939 def _changegroup(self, common, source):
|
|
1940 """Generate a changegroup of all nodes that we have that a recipient
|
|
1941 doesn't.
|
|
1942
|
|
1943 This is much easier than the previous function as we can assume that
|
|
1944 the recipient has any changenode we aren't sending them.
|
|
1945
|
|
1946 common is the set of common nodes between remote and self"""
|
|
1947
|
|
1948 self.hook('preoutgoing', throw=True, source=source)
|
|
1949
|
|
1950 cl = self.changelog
|
|
1951 nodes = cl.findmissing(common)
|
|
1952 revset = set([cl.rev(n) for n in nodes])
|
|
1953 self.changegroupinfo(nodes, source)
|
|
1954
|
|
1955 def identity(x):
|
|
1956 return x
|
|
1957
|
|
1958 def gennodelst(log):
|
|
1959 for r in log:
|
|
1960 if log.linkrev(r) in revset:
|
|
1961 yield log.node(r)
|
|
1962
|
|
1963 def changed_file_collector(changedfileset):
|
|
1964 def collect_changed_files(clnode):
|
|
1965 c = cl.read(clnode)
|
|
1966 changedfileset.update(c[3])
|
|
1967 return collect_changed_files
|
|
1968
|
|
1969 def lookuprevlink_func(revlog):
|
|
1970 def lookuprevlink(n):
|
|
1971 return cl.node(revlog.linkrev(revlog.rev(n)))
|
|
1972 return lookuprevlink
|
|
1973
|
|
1974 def gengroup():
|
|
1975 # construct a list of all changed files
|
|
1976 changedfiles = set()
|
|
1977
|
|
1978 for chnk in cl.group(nodes, identity,
|
|
1979 changed_file_collector(changedfiles)):
|
|
1980 yield chnk
|
|
1981
|
|
1982 mnfst = self.manifest
|
|
1983 nodeiter = gennodelst(mnfst)
|
|
1984 for chnk in mnfst.group(nodeiter, lookuprevlink_func(mnfst)):
|
|
1985 yield chnk
|
|
1986
|
|
1987 for fname in sorted(changedfiles):
|
|
1988 filerevlog = self.file(fname)
|
|
1989 if not len(filerevlog):
|
|
1990 raise util.Abort(_("empty or missing revlog for %s") % fname)
|
|
1991 nodeiter = gennodelst(filerevlog)
|
|
1992 nodeiter = list(nodeiter)
|
|
1993 if nodeiter:
|
|
1994 yield changegroup.chunkheader(len(fname))
|
|
1995 yield fname
|
|
1996 lookup = lookuprevlink_func(filerevlog)
|
|
1997 for chnk in filerevlog.group(nodeiter, lookup):
|
|
1998 yield chnk
|
|
1999
|
|
2000 yield changegroup.closechunk()
|
|
2001
|
|
2002 if nodes:
|
|
2003 self.hook('outgoing', node=hex(nodes[0]), source=source)
|
|
2004
|
|
2005 return util.chunkbuffer(gengroup())
|
|
2006
|
|
2007 def addchangegroup(self, source, srctype, url, emptyok=False):
|
|
2008 """add changegroup to repo.
|
|
2009
|
|
2010 return values:
|
|
2011 - nothing changed or no source: 0
|
|
2012 - more heads than before: 1+added heads (2..n)
|
|
2013 - less heads than before: -1-removed heads (-2..-n)
|
|
2014 - number of heads stays the same: 1
|
|
2015 """
|
|
2016 def csmap(x):
|
|
2017 self.ui.debug(_("add changeset %s\n") % short(x))
|
|
2018 return len(cl)
|
|
2019
|
|
2020 def revmap(x):
|
|
2021 return cl.rev(x)
|
|
2022
|
|
2023 if not source:
|
|
2024 return 0
|
|
2025
|
|
2026 self.hook('prechangegroup', throw=True, source=srctype, url=url)
|
|
2027
|
|
2028 changesets = files = revisions = 0
|
|
2029
|
|
2030 # write changelog data to temp files so concurrent readers will not see
|
|
2031 # inconsistent view
|
|
2032 cl = self.changelog
|
|
2033 cl.delayupdate()
|
|
2034 oldheads = len(cl.heads())
|
|
2035
|
|
2036 tr = self.transaction()
|
|
2037 try:
|
|
2038 trp = weakref.proxy(tr)
|
|
2039 # pull off the changeset group
|
|
2040 self.ui.status(_("adding changesets\n"))
|
|
2041 clstart = len(cl)
|
|
2042 chunkiter = changegroup.chunkiter(source)
|
|
2043 if cl.addgroup(chunkiter, csmap, trp) is None and not emptyok:
|
|
2044 raise util.Abort(_("received changelog group is empty"))
|
|
2045 clend = len(cl)
|
|
2046 changesets = clend - clstart
|
|
2047
|
|
2048 # pull off the manifest group
|
|
2049 self.ui.status(_("adding manifests\n"))
|
|
2050 chunkiter = changegroup.chunkiter(source)
|
|
2051 # no need to check for empty manifest group here:
|
|
2052 # if the result of the merge of 1 and 2 is the same in 3 and 4,
|
|
2053 # no new manifest will be created and the manifest group will
|
|
2054 # be empty during the pull
|
|
2055 self.manifest.addgroup(chunkiter, revmap, trp)
|
|
2056
|
|
2057 # process the files
|
|
2058 self.ui.status(_("adding file changes\n"))
|
|
2059 while 1:
|
|
2060 f = changegroup.getchunk(source)
|
|
2061 if not f:
|
|
2062 break
|
|
2063 self.ui.debug(_("adding %s revisions\n") % f)
|
|
2064 fl = self.file(f)
|
|
2065 o = len(fl)
|
|
2066 chunkiter = changegroup.chunkiter(source)
|
|
2067 if fl.addgroup(chunkiter, revmap, trp) is None:
|
|
2068 raise util.Abort(_("received file revlog group is empty"))
|
|
2069 revisions += len(fl) - o
|
|
2070 files += 1
|
|
2071
|
|
2072 newheads = len(cl.heads())
|
|
2073 heads = ""
|
|
2074 if oldheads and newheads != oldheads:
|
|
2075 heads = _(" (%+d heads)") % (newheads - oldheads)
|
|
2076
|
|
2077 self.ui.status(_("added %d changesets"
|
|
2078 " with %d changes to %d files%s\n")
|
|
2079 % (changesets, revisions, files, heads))
|
|
2080
|
|
2081 if changesets > 0:
|
|
2082 p = lambda: cl.writepending() and self.root or ""
|
|
2083 self.hook('pretxnchangegroup', throw=True,
|
|
2084 node=hex(cl.node(clstart)), source=srctype,
|
|
2085 url=url, pending=p)
|
|
2086
|
|
2087 # make changelog see real files again
|
|
2088 cl.finalize(trp)
|
|
2089
|
|
2090 tr.close()
|
|
2091 finally:
|
|
2092 del tr
|
|
2093
|
|
2094 if changesets > 0:
|
|
2095 # forcefully update the on-disk branch cache
|
|
2096 self.ui.debug(_("updating the branch cache\n"))
|
|
2097 self.branchtags()
|
|
2098 self.hook("changegroup", node=hex(cl.node(clstart)),
|
|
2099 source=srctype, url=url)
|
|
2100
|
|
2101 for i in xrange(clstart, clend):
|
|
2102 self.hook("incoming", node=hex(cl.node(i)),
|
|
2103 source=srctype, url=url)
|
|
2104
|
|
2105 # never return 0 here:
|
|
2106 if newheads < oldheads:
|
|
2107 return newheads - oldheads - 1
|
|
2108 else:
|
|
2109 return newheads - oldheads + 1
|
|
2110
|
|
2111
|
|
2112 def stream_in(self, remote):
|
|
2113 fp = remote.stream_out()
|
|
2114 l = fp.readline()
|
|
2115 try:
|
|
2116 resp = int(l)
|
|
2117 except ValueError:
|
|
2118 raise error.ResponseError(
|
|
2119 _('Unexpected response from remote server:'), l)
|
|
2120 if resp == 1:
|
|
2121 raise util.Abort(_('operation forbidden by server'))
|
|
2122 elif resp == 2:
|
|
2123 raise util.Abort(_('locking the remote repository failed'))
|
|
2124 elif resp != 0:
|
|
2125 raise util.Abort(_('the server sent an unknown error code'))
|
|
2126 self.ui.status(_('streaming all changes\n'))
|
|
2127 l = fp.readline()
|
|
2128 try:
|
|
2129 total_files, total_bytes = map(int, l.split(' ', 1))
|
|
2130 except (ValueError, TypeError):
|
|
2131 raise error.ResponseError(
|
|
2132 _('Unexpected response from remote server:'), l)
|
|
2133 self.ui.status(_('%d files to transfer, %s of data\n') %
|
|
2134 (total_files, util.bytecount(total_bytes)))
|
|
2135 start = time.time()
|
|
2136 for i in xrange(total_files):
|
|
2137 # XXX doesn't support '\n' or '\r' in filenames
|
|
2138 l = fp.readline()
|
|
2139 try:
|
|
2140 name, size = l.split('\0', 1)
|
|
2141 size = int(size)
|
|
2142 except (ValueError, TypeError):
|
|
2143 raise error.ResponseError(
|
|
2144 _('Unexpected response from remote server:'), l)
|
|
2145 self.ui.debug(_('adding %s (%s)\n') % (name, util.bytecount(size)))
|
|
2146 # for backwards compat, name was partially encoded
|
|
2147 ofp = self.sopener(store.decodedir(name), 'w')
|
|
2148 for chunk in util.filechunkiter(fp, limit=size):
|
|
2149 ofp.write(chunk)
|
|
2150 ofp.close()
|
|
2151 elapsed = time.time() - start
|
|
2152 if elapsed <= 0:
|
|
2153 elapsed = 0.001
|
|
2154 self.ui.status(_('transferred %s in %.1f seconds (%s/sec)\n') %
|
|
2155 (util.bytecount(total_bytes), elapsed,
|
|
2156 util.bytecount(total_bytes / elapsed)))
|
|
2157 self.invalidate()
|
|
2158 return len(self.heads()) + 1
|
|
2159
|
|
2160 def clone(self, remote, heads=[], stream=False):
|
|
2161 '''clone remote repository.
|
|
2162
|
|
2163 keyword arguments:
|
|
2164 heads: list of revs to clone (forces use of pull)
|
|
2165 stream: use streaming clone if possible'''
|
|
2166
|
|
2167 # now, all clients that can request uncompressed clones can
|
|
2168 # read repo formats supported by all servers that can serve
|
|
2169 # them.
|
|
2170
|
|
2171 # if revlog format changes, client will have to check version
|
|
2172 # and format flags on "stream" capability, and use
|
|
2173 # uncompressed only if compatible.
|
|
2174
|
|
2175 if stream and not heads and remote.capable('stream'):
|
|
2176 return self.stream_in(remote)
|
|
2177 return self.pull(remote, heads)
|
|
2178
|
|
2179 # used to avoid circular references so destructors work
|
|
2180 def aftertrans(files):
|
|
2181 renamefiles = [tuple(t) for t in files]
|
|
2182 def a():
|
|
2183 for src, dest in renamefiles:
|
|
2184 util.rename(src, dest)
|
|
2185 return a
|
|
2186
|
|
2187 def instance(ui, path, create):
|
|
2188 return localrepository(ui, util.drop_scheme('file', path), create)
|
|
2189
|
|
2190 def islocal(path):
|
|
2191 return True
|