Mercurial > hgsubversion
annotate hgsubversion/maps.py @ 1183:09b20039192c
maps: change revmap init to accept svnmeta not a repo
This will allow us to access config options through one object.
author | Sean Farley <sean.michael.farley@gmail.com> |
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date | Mon, 24 Mar 2014 11:20:44 -0500 |
parents | 8f9619a67565 |
children | 43384d2782dc |
rev | line source |
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1 ''' Module for self-contained maps. ''' |
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2 |
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revsets: huge speedups for fromsvn and svnrev
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3 import errno |
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4 import os |
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5 from mercurial import util as hgutil |
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6 from mercurial import node |
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7 |
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8 import svncommands |
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9 import util |
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10 |
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11 class AuthorMap(dict): |
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12 '''A mapping from Subversion-style authors to Mercurial-style |
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13 authors, and back. The data is stored persistently on disk. |
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14 |
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15 If the 'hgsubversion.defaultauthors' configuration option is set to false, |
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16 attempting to obtain an unknown author will fail with an Abort. |
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17 |
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18 If the 'hgsubversion.caseignoreauthors' configuration option is set to true, |
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19 the userid from Subversion is always compared lowercase. |
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20 ''' |
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21 |
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22 def __init__(self, ui, path, defaulthost=None): |
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23 '''Initialise a new AuthorMap. |
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24 |
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25 The ui argument is used to print diagnostic messages. |
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26 |
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27 The path argument is the location of the backing store, |
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28 typically .hg/svn/authors. |
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29 ''' |
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30 self.ui = ui |
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31 self.path = path |
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32 self.use_defaultauthors = self.ui.configbool('hgsubversion', 'defaultauthors', True) |
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33 self.caseignoreauthors = self.ui.configbool('hgsubversion', 'caseignoreauthors', False) |
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34 if defaulthost: |
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35 self.defaulthost = '@%s' % defaulthost.lstrip('@') |
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36 else: |
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37 self.defaulthost = '' |
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38 self.super = super(AuthorMap, self) |
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39 self.super.__init__() |
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40 self.load(path) |
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41 |
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42 def load(self, path): |
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43 ''' Load mappings from a file at the specified path. ''' |
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44 |
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45 path = os.path.expandvars(path) |
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46 if not os.path.exists(path): |
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47 return |
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48 |
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49 writing = False |
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50 if path != self.path: |
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51 writing = open(self.path, 'a') |
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52 |
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53 self.ui.debug('reading authormap from %s\n' % path) |
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54 f = open(path, 'r') |
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55 for number, line_org in enumerate(f): |
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56 |
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57 line = line_org.split('#')[0] |
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58 if not line.strip(): |
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59 continue |
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60 |
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61 try: |
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62 src, dst = line.split('=', 1) |
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63 except (IndexError, ValueError): |
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64 msg = 'ignoring line %i in author map %s: %s\n' |
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65 self.ui.status(msg % (number, path, line.rstrip())) |
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66 continue |
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67 |
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68 src = src.strip() |
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69 dst = dst.strip() |
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70 |
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71 if self.caseignoreauthors: |
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72 src = src.lower() |
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73 |
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74 if writing: |
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75 if not src in self: |
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76 self.ui.debug('adding author %s to author map\n' % src) |
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77 elif dst != self[src]: |
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78 msg = 'overriding author: "%s" to "%s" (%s)\n' |
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79 self.ui.status(msg % (self[src], dst, src)) |
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80 writing.write(line_org) |
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81 |
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82 self[src] = dst |
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83 |
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84 f.close() |
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85 if writing: |
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86 writing.close() |
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87 |
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88 def __getitem__(self, author): |
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89 ''' Similar to dict.__getitem__, except in case of an unknown author. |
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90 In such cases, a new value is generated and added to the dictionary |
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91 as well as the backing store. ''' |
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92 if author is None: |
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93 author = '(no author)' |
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94 |
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95 if self.caseignoreauthors: |
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96 search_author = author.lower() |
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97 else: |
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98 search_author = author |
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99 |
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100 if search_author in self: |
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101 result = self.super.__getitem__(search_author) |
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102 elif self.use_defaultauthors: |
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103 self[author] = result = '%s%s' % (author, self.defaulthost) |
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104 msg = 'substituting author "%s" for default "%s"\n' |
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105 self.ui.debug(msg % (author, result)) |
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106 else: |
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107 msg = 'author %s has no entry in the author map!' |
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108 raise hgutil.Abort(msg % author) |
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109 self.ui.debug('mapping author "%s" to "%s"\n' % (author, result)) |
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110 return result |
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111 |
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112 def reverselookup(self, author): |
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113 for svnauthor, hgauthor in self.iteritems(): |
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114 if author == hgauthor: |
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115 return svnauthor |
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116 else: |
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117 # Mercurial incorrectly splits at e.g. '.', so we roll our own. |
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118 return author.rsplit('@', 1)[0] |
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119 |
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120 |
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121 class Tags(dict): |
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122 """Map tags to converted node identifier. |
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123 |
729 | 124 tag names are non-empty strings. Tags are saved in a file |
125 called tagmap, for backwards compatibility reasons. | |
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126 """ |
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127 VERSION = 2 |
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128 |
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129 @classmethod |
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130 def filepath(cls, repo): |
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131 return os.path.join(repo.path, 'svn', 'tagmap') |
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132 |
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133 def __init__(self, repo, endrev=None): |
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134 dict.__init__(self) |
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135 self.path = self.filepath(repo) |
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137 if os.path.isfile(self.path): |
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138 self._load(repo) |
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139 else: |
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140 self._write() |
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141 |
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142 def _load(self, repo): |
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143 f = open(self.path) |
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144 ver = int(f.readline()) |
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145 if ver < self.VERSION: |
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146 repo.ui.status('tag map outdated, running rebuildmeta...\n') |
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147 f.close() |
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148 os.unlink(self.path) |
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149 svncommands.rebuildmeta(repo.ui, repo, ()) |
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150 return |
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151 elif ver != self.VERSION: |
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152 raise hgutil.Abort('tagmap too new -- please upgrade') |
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153 for l in f: |
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154 ha, revision, tag = l.split(' ', 2) |
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155 revision = int(revision) |
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156 tag = tag[:-1] |
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157 if self.endrev is not None and revision > self.endrev: |
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158 break |
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159 if not tag: |
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160 continue |
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161 dict.__setitem__(self, tag, node.bin(ha)) |
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162 f.close() |
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163 |
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164 def _write(self): |
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165 assert self.endrev is None |
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166 f = open(self.path, 'w') |
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167 f.write('%s\n' % self.VERSION) |
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168 f.close() |
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169 |
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170 def update(self, other): |
725 | 171 for k, v in other.iteritems(): |
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172 self[k] = v |
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173 |
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174 def __contains__(self, tag): |
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175 return (tag and dict.__contains__(self, tag) |
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176 and dict.__getitem__(self, tag) != node.nullid) |
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177 |
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178 def __getitem__(self, tag): |
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179 if tag and tag in self: |
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180 return dict.__getitem__(self, tag) |
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181 raise KeyError() |
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182 |
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183 def __setitem__(self, tag, info): |
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184 if not tag: |
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185 raise hgutil.Abort('tag cannot be empty') |
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186 ha, revision = info |
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187 f = open(self.path, 'a') |
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188 f.write('%s %s %s\n' % (node.hex(ha), revision, tag)) |
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189 f.close() |
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190 dict.__setitem__(self, tag, ha) |
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191 |
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192 |
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193 class RevMap(dict): |
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194 |
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195 VERSION = 1 |
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196 |
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197 def __init__(self, meta): |
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198 dict.__init__(self) |
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199 self.meta = meta |
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200 self.ypath = os.path.join(meta.metapath, 'lastpulled') |
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201 # TODO(durin42): Consider moving management of the youngest |
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202 # file to svnmeta itself rather than leaving it here. |
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203 # must load youngest file first, or else self._load() can |
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204 # clobber the info |
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205 self._youngest = util.load(self.ypath, 0) |
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206 self.oldest = 0 |
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207 |
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208 if os.path.isfile(self.meta.revmap_file): |
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209 self._load() |
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210 else: |
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211 self._write() |
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212 |
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213 def _set_youngest(self, rev): |
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214 self._youngest = max(self._youngest, rev) |
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215 util.dump(self._youngest, self.ypath) |
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216 |
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217 def _get_youngest(self): |
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218 return self._youngest |
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219 |
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220 youngest = property(_get_youngest, _set_youngest) |
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221 |
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222 def hashes(self): |
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223 return dict((v, k) for (k, v) in self.iteritems()) |
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224 |
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225 def branchedits(self, branch, rev): |
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226 check = lambda x: x[0][1] == branch and x[0][0] < rev.revnum |
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227 return sorted(filter(check, self.iteritems()), reverse=True) |
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228 |
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229 @classmethod |
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230 def readmapfile(cls, path, missingok=True): |
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231 try: |
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232 f = open(path) |
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233 except IOError, err: |
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234 if not missingok or err.errno != errno.ENOENT: |
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235 raise |
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236 return iter([]) |
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237 ver = int(f.readline()) |
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238 if ver != cls.VERSION: |
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239 raise hgutil.Abort('revmap too new -- please upgrade') |
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240 return f |
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241 |
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242 def _load(self): |
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243 for l in self.readmapfile(self.meta.revmap_file): |
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244 revnum, ha, branch = l.split(' ', 2) |
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245 if branch == '\n': |
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246 branch = None |
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247 else: |
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248 branch = branch[:-1] |
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249 revnum = int(revnum) |
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250 if revnum > self.youngest or not self.youngest: |
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251 self.youngest = revnum |
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252 if revnum < self.oldest or not self.oldest: |
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253 self.oldest = revnum |
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254 dict.__setitem__(self, (revnum, branch), node.bin(ha)) |
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255 |
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256 def _write(self): |
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257 f = open(self.meta.revmap_file, 'w') |
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258 f.write('%s\n' % self.VERSION) |
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259 f.close() |
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260 |
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261 def __setitem__(self, key, ha): |
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262 revnum, branch = key |
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263 f = open(self.meta.revmap_file, 'a') |
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264 b = branch or '' |
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265 f.write(str(revnum) + ' ' + node.hex(ha) + ' ' + b + '\n') |
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266 f.close() |
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267 if revnum > self.youngest or not self.youngest: |
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268 self.youngest = revnum |
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269 if revnum < self.oldest or not self.oldest: |
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270 self.oldest = revnum |
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271 dict.__setitem__(self, (revnum, branch), ha) |
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272 |
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273 |
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274 class FileMap(object): |
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275 |
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276 VERSION = 1 |
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277 |
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278 def __init__(self, ui, path): |
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279 '''Initialise a new FileMap. |
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280 |
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281 The ui argument is used to print diagnostic messages. |
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282 |
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283 The path argument is the location of the backing store, |
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284 typically .hg/svn/filemap. |
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285 ''' |
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286 self.ui = ui |
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287 self.path = path |
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288 self.include = {} |
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289 self.exclude = {} |
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290 if os.path.isfile(self.path): |
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291 self._load() |
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292 else: |
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293 self._write() |
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294 |
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295 def _rpairs(self, name): |
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296 e = len(name) |
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297 while e != -1: |
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298 yield name[:e], name[e+1:] |
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299 e = name.rfind('/', 0, e) |
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300 yield '.', name |
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301 |
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302 def check(self, m, path): |
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303 m = getattr(self, m) |
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304 for pre, _suf in self._rpairs(path): |
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305 if pre in m: |
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306 return m[pre] |
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307 return -1 |
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308 |
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309 def __contains__(self, path): |
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310 if not len(path): |
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311 return True |
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312 if len(self.include): |
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313 inc = self.check('include', path) |
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314 elif not len(self.exclude): |
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315 return True |
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316 else: |
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317 inc = 0 |
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318 if len(self.exclude): |
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319 exc = self.check('exclude', path) |
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320 else: |
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321 exc = -1 |
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322 # respect rule order: newer rules override older |
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323 return inc > exc |
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324 |
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325 # Needed so empty filemaps are false |
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326 def __len__(self): |
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327 return len(self.include) + len(self.exclude) |
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328 |
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329 def add(self, fn, m, path): |
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330 mapping = getattr(self, m) |
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331 if path in mapping: |
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332 msg = 'duplicate %s entry in %s: "%s"\n' |
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333 self.ui.status(msg % (m, fn, path)) |
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334 return |
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335 bits = m.rstrip('e'), path |
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336 self.ui.debug('%sing %s\n' % bits) |
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337 # respect rule order |
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338 mapping[path] = len(self) |
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339 if fn != self.path: |
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340 f = open(self.path, 'a') |
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341 f.write(m + ' ' + path + '\n') |
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342 f.close() |
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343 |
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344 def load(self, fn): |
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345 self.ui.debug('reading file map from %s\n' % fn) |
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346 f = open(fn, 'r') |
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347 self.load_fd(f, fn) |
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348 f.close() |
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349 |
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350 def load_fd(self, f, fn): |
409
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351 for line in f: |
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352 if line.strip() == '' or line.strip()[0] == '#': |
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353 continue |
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354 try: |
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355 cmd, path = line.split(' ', 1) |
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356 cmd = cmd.strip() |
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357 path = path.strip() |
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358 if cmd in ('include', 'exclude'): |
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359 self.add(fn, cmd, path) |
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360 continue |
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361 self.ui.warn('unknown filemap command %s\n' % cmd) |
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362 except IndexError: |
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363 msg = 'ignoring bad line in filemap %s: %s\n' |
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364 self.ui.warn(msg % (fn, line.rstrip())) |
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365 |
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366 def _load(self): |
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367 self.ui.debug('reading in-repo file map from %s\n' % self.path) |
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368 f = open(self.path) |
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369 ver = int(f.readline()) |
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370 if ver != self.VERSION: |
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371 raise hgutil.Abort('filemap too new -- please upgrade') |
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372 self.load_fd(f, self.path) |
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373 f.close() |
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374 |
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375 def _write(self): |
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376 f = open(self.path, 'w') |
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377 f.write('%s\n' % self.VERSION) |
409
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378 f.close() |
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379 |
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380 class BranchMap(dict): |
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381 '''Facility for controlled renaming of branch names. Example: |
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382 |
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383 oldname = newname |
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384 other = default |
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385 |
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386 All changes on the oldname branch will now be on the newname branch; all |
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387 changes on other will now be on default (have no branch name set). |
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388 ''' |
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389 |
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390 def __init__(self, ui, path): |
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391 self.ui = ui |
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392 self.path = path |
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393 self.super = super(BranchMap, self) |
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394 self.super.__init__() |
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395 self.load(path) |
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396 |
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397 def load(self, path): |
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398 '''Load mappings from a file at the specified path.''' |
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399 if not os.path.exists(path): |
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400 return |
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401 |
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402 writing = False |
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403 if path != self.path: |
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404 writing = open(self.path, 'a') |
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405 |
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406 self.ui.debug('reading branchmap from %s\n' % path) |
574
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407 f = open(path, 'r') |
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408 for number, line in enumerate(f): |
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409 |
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410 if writing: |
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411 writing.write(line) |
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412 |
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413 line = line.split('#')[0] |
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414 if not line.strip(): |
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415 continue |
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416 |
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417 try: |
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418 src, dst = line.split('=', 1) |
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419 except (IndexError, ValueError): |
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420 msg = 'ignoring line %i in branch map %s: %s\n' |
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421 self.ui.status(msg % (number, path, line.rstrip())) |
574
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422 continue |
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423 |
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424 src = src.strip() |
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425 dst = dst.strip() |
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426 self.ui.debug('adding branch %s to branch map\n' % src) |
636
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diff
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427 |
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428 if not dst: |
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429 # prevent people from assuming such lines are valid |
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430 raise hgutil.Abort('removing branches is not supported, yet\n' |
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diff
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431 '(line %i in branch map %s)' |
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432 % (number, path)) |
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433 elif src in self and dst != self[src]: |
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434 msg = 'overriding branch: "%s" to "%s" (%s)\n' |
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435 self.ui.status(msg % (self[src], dst, src)) |
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436 self[src] = dst |
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437 |
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438 f.close() |
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439 if writing: |
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440 writing.close() |
729 | 441 |
442 class TagMap(dict): | |
443 '''Facility for controlled renaming of tags. Example: | |
444 | |
445 oldname = newname | |
446 other = | |
447 | |
809
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448 The oldname tag from SVN will be represented as newname in the hg tags; |
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449 the other tag will not be reflected in the hg repository. |
729 | 450 ''' |
451 | |
452 def __init__(self, ui, path): | |
453 self.ui = ui | |
454 self.path = path | |
455 self.super = super(TagMap, self) | |
456 self.super.__init__() | |
457 self.load(path) | |
458 | |
459 def load(self, path): | |
460 '''Load mappings from a file at the specified path.''' | |
461 if not os.path.exists(path): | |
462 return | |
463 | |
464 writing = False | |
465 if path != self.path: | |
466 writing = open(self.path, 'a') | |
467 | |
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468 self.ui.debug('reading tag renames from %s\n' % path) |
729 | 469 f = open(path, 'r') |
470 for number, line in enumerate(f): | |
471 | |
472 if writing: | |
473 writing.write(line) | |
474 | |
475 line = line.split('#')[0] | |
476 if not line.strip(): | |
477 continue | |
478 | |
479 try: | |
480 src, dst = line.split('=', 1) | |
481 except (IndexError, ValueError): | |
482 msg = 'ignoring line %i in tag renames %s: %s\n' | |
483 self.ui.status(msg % (number, path, line.rstrip())) | |
484 continue | |
485 | |
486 src = src.strip() | |
487 dst = dst.strip() | |
488 self.ui.debug('adding tag %s to tag renames\n' % src) | |
489 | |
490 if src in self and dst != self[src]: | |
491 msg = 'overriding tag rename: "%s" to "%s" (%s)\n' | |
492 self.ui.status(msg % (self[src], dst, src)) | |
493 self[src] = dst | |
494 | |
495 f.close() | |
496 if writing: | |
497 writing.close() |