Mercurial > hgsubversion
annotate hgsubversion/maps.py @ 1397:304fdb9810a6
maps: add custom __getitem__
Similar to dict.__getitem__ except we use our own matching function, _findkey.
author | Sean Farley <sean.michael.farley@gmail.com> |
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date | Mon, 24 Mar 2014 11:21:01 -0500 |
parents | 77594c88d91f |
children | 75745298d99d |
rev | line source |
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Put authormap into a separate file, and make it much better too.
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
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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
Bryan O'Sullivan <bryano@fb.com>
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3 import errno |
307
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Put authormap into a separate file, and make it much better too.
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4 import os |
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5 import re |
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6 from mercurial import util as hgutil |
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7 from mercurial.node import bin, hex, nullid |
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8 |
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Added dynamic author mapping.
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9 import subprocess |
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tags: handle copyfrom old versions of tags more correctly
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10 import svncommands |
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11 import util |
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12 |
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13 class BaseMap(dict): |
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14 '''A base class for the different type of mappings: author, branch, and |
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15 tags.''' |
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16 def __init__(self, meta): |
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17 self.meta = meta |
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18 super(BaseMap, self).__init__() |
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19 |
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20 self._commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*') |
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21 |
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22 # trickery: all subclasses have the same name as their file and config |
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23 # names, e.g. AuthorMap is meta.authormap_file for the filename and |
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24 # 'authormap' for the config option |
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25 self.mapname = self.__class__.__name__.lower() |
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26 self.mapfilename = self.mapname + '_file' |
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27 self.load(self.meta.__getattribute__(self.mapfilename)) |
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28 |
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29 # append mappings specified from the commandline |
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30 clmap = util.configpath(self.meta.ui, self.mapname) |
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31 if clmap: |
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32 self.load(clmap) |
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33 |
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34 def _findkey(self, key): |
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35 '''Takes a string and finds the first corresponding key that matches |
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36 via regex''' |
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37 if not key: |
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38 return None |
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39 |
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40 # compile a new regex key if we're given a string; can't use |
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41 # hgutil.compilere since we need regex.sub |
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42 k = key |
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43 if isinstance(key, str): |
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44 k = re.compile(re.escape(key)) |
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45 |
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46 # preference goes to matching the exact pattern, i.e. 'foo' should |
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47 # first match 'foo' before trying regexes |
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48 for regex in self: |
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49 if regex.pattern == k.pattern: |
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50 return regex |
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51 |
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52 # if key isn't a string, then we are done; nothing matches |
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53 if not isinstance(key, str): |
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54 return None |
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55 |
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56 # now we test the regex; the above loop will be faster and is |
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57 # equivalent to not having regexes (i.e. just doing string compares) |
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58 for regex in self: |
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59 if regex.search(key): |
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60 return regex |
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61 return None |
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62 |
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63 def get(self, key, default=None): |
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64 '''Similar to dict.get, except we use our own matcher, _findkey.''' |
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65 if self._findkey(key): |
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66 return self[key] |
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67 return default |
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68 |
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69 def __getitem__(self, key): |
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70 '''Similar to dict.get, except we use our own matcher, _findkey. If the key is |
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71 a string, then we can use our regex matching to map its value. |
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72 ''' |
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73 k = self._findkey(key) |
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74 val = super(BaseMap, self).__getitem__(k) |
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75 |
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76 # if key is a string then we can transform it using our regex, else we |
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77 # don't have enough information, so we just return the val |
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78 if isinstance(key, str): |
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79 val = k.sub(val, key) |
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80 |
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81 return val |
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82 |
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83 def load(self, path): |
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84 '''Load mappings from a file at the specified path.''' |
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85 path = os.path.expandvars(path) |
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86 if not os.path.exists(path): |
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87 return |
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88 |
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89 writing = False |
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90 mapfile = self.meta.__getattribute__(self.mapfilename) |
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91 if path != mapfile: |
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92 writing = open(mapfile, 'a') |
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93 |
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94 self.meta.ui.debug('reading %s from %s\n' % (self.mapname , path)) |
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95 f = open(path, 'r') |
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96 for number, line in enumerate(f): |
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97 |
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98 if writing: |
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99 writing.write(line) |
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100 |
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101 # strip out comments |
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102 if "#" in line: |
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103 # remove comments prefixed by an even number of escapes |
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104 line = self._commentre.sub(r'\1', line) |
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105 # fixup properly escaped comments that survived the above |
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106 line = line.replace("\\#", "#") |
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107 line = line.rstrip() |
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108 if not line: |
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109 continue |
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110 |
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111 try: |
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112 src, dst = line.split('=', 1) |
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113 except (IndexError, ValueError): |
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114 msg = 'ignoring line %i in %s %s: %s\n' |
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115 self.meta.ui.status(msg % (number, self.mapname, path, |
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116 line.rstrip())) |
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117 continue |
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118 |
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119 src = src.strip() |
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120 dst = dst.strip() |
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121 |
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122 if src not in self: |
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123 self.meta.ui.debug('adding %s to %s\n' % (src, self.mapname)) |
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124 elif dst != self[src]: |
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125 msg = 'overriding %s: "%s" to "%s" (%s)\n' |
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126 self.meta.ui.status(msg % (self.mapname, self[src], dst, src)) |
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127 self[src] = dst |
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128 |
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129 f.close() |
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130 if writing: |
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131 writing.close() |
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132 |
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133 class AuthorMap(BaseMap): |
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134 '''A mapping from Subversion-style authors to Mercurial-style |
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135 authors, and back. The data is stored persistently on disk. |
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136 |
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137 If the 'hgsubversion.defaultauthors' configuration option is set to false, |
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138 attempting to obtain an unknown author will fail with an Abort. |
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139 |
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140 If the 'hgsubversion.caseignoreauthors' configuration option is set to true, |
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141 the userid from Subversion is always compared lowercase. |
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142 ''' |
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143 |
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144 def __init__(self, meta): |
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145 '''Initialise a new AuthorMap. |
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146 |
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147 The ui argument is used to print diagnostic messages. |
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148 |
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149 The path argument is the location of the backing store, |
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150 typically .hg/svn/authors. |
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151 ''' |
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152 self.defaulthost = '' |
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153 if meta.defaulthost: |
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154 self.defaulthost = '@%s' % meta.defaulthost.lstrip('@') |
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155 |
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156 super(AuthorMap, self).__init__(meta) |
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157 |
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158 def __setitem__(self, key, value): |
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159 '''Similar to dict.__setitem__, except we check caseignoreauthors to |
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160 use lowercase string or not |
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161 ''' |
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162 if self.meta.caseignoreauthors: |
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163 key = key.lower() |
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164 super(AuthorMap, self).__setitem__(key, value) |
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165 |
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166 def __contains__(self, key): |
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167 '''Similar to dict.__contains__, except we check caseignoreauthors to |
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168 use lowercase string or not |
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169 ''' |
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170 if self.meta.caseignoreauthors: |
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171 key = key.lower() |
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172 return super(AuthorMap, self).__contains__(key) |
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173 |
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174 def __getitem__(self, author): |
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175 ''' Similar to dict.__getitem__, except in case of an unknown author. |
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176 In such cases, a new value is generated and added to the dictionary |
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177 as well as the backing store. ''' |
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178 if author is None: |
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179 author = '(no author)' |
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180 |
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181 search_author = author |
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182 if self.meta.caseignoreauthors: |
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183 search_author = author.lower() |
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184 |
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185 result = None |
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186 if search_author in self: |
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187 result = super(AuthorMap, self).__getitem__(search_author) |
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188 elif self.meta.mapauthorscmd: |
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189 cmd = self.meta.mapauthorscmd % author |
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190 process = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE) |
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191 output, err = process.communicate() |
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192 retcode = process.poll() |
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193 if retcode: |
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194 msg = 'map author command "%s" exited with error' |
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195 raise hgutil.Abort(msg % cmd) |
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196 self[author] = result = output.strip() |
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197 if not result: |
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198 if self.meta.defaultauthors: |
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199 self[author] = result = '%s%s' % (author, self.defaulthost) |
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200 msg = 'substituting author "%s" for default "%s"\n' |
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201 self.meta.ui.debug(msg % (author, result)) |
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202 else: |
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203 msg = 'author %s has no entry in the author map!' |
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204 raise hgutil.Abort(msg % author) |
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205 self.meta.ui.debug('mapping author "%s" to "%s"\n' % (author, result)) |
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206 return result |
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207 |
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208 def reverselookup(self, author): |
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209 for svnauthor, hgauthor in self.iteritems(): |
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210 if author == hgauthor: |
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211 return svnauthor |
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212 else: |
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213 # Mercurial incorrectly splits at e.g. '.', so we roll our own. |
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214 return author.rsplit('@', 1)[0] |
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215 |
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216 |
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217 class Tags(dict): |
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218 """Map tags to converted node identifier. |
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219 |
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222 """ |
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223 VERSION = 2 |
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224 |
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225 def __init__(self, meta, endrev=None): |
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226 dict.__init__(self) |
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227 self.meta = meta |
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229 if os.path.isfile(self.meta.tagfile): |
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230 self._load() |
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231 else: |
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232 self._write() |
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233 |
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234 def _load(self): |
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235 f = open(self.meta.tagfile) |
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236 ver = int(f.readline()) |
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237 if ver < self.VERSION: |
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238 self.meta.ui.status('tag map outdated, running rebuildmeta...\n') |
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239 f.close() |
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240 os.unlink(self.meta.tagfile) |
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241 svncommands.rebuildmeta(self.meta.ui, self.meta.repo, ()) |
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242 return |
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243 elif ver != self.VERSION: |
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244 raise hgutil.Abort('tagmap too new -- please upgrade') |
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245 for l in f: |
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246 ha, revision, tag = l.split(' ', 2) |
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247 revision = int(revision) |
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248 tag = tag[:-1] |
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249 if self.endrev is not None and revision > self.endrev: |
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250 break |
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251 if not tag: |
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252 continue |
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253 dict.__setitem__(self, tag, bin(ha)) |
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254 f.close() |
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255 |
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256 def _write(self): |
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257 assert self.endrev is None |
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258 f = open(self.meta.tagfile, 'w') |
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259 f.write('%s\n' % self.VERSION) |
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260 f.close() |
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261 |
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262 def update(self, other): |
725 | 263 for k, v in other.iteritems(): |
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264 self[k] = v |
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265 |
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266 def __contains__(self, tag): |
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267 return (tag and dict.__contains__(self, tag) |
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268 and dict.__getitem__(self, tag) != nullid) |
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269 |
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270 def __getitem__(self, tag): |
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271 if tag and tag in self: |
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272 return dict.__getitem__(self, tag) |
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273 raise KeyError() |
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274 |
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275 def __setitem__(self, tag, info): |
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276 if not tag: |
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277 raise hgutil.Abort('tag cannot be empty') |
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278 ha, revision = info |
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279 f = open(self.meta.tagfile, 'a') |
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280 f.write('%s %s %s\n' % (hex(ha), revision, tag)) |
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281 f.close() |
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282 dict.__setitem__(self, tag, ha) |
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283 |
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284 |
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285 class RevMap(dict): |
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286 |
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287 VERSION = 1 |
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288 |
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289 def __init__(self, meta): |
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290 dict.__init__(self) |
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291 self.meta = meta |
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292 self._hashes = None |
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293 |
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294 if os.path.isfile(self.meta.revmap_file): |
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295 self._load() |
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296 else: |
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297 self._write() |
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298 |
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299 def hashes(self): |
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300 if self._hashes is None: |
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301 self._hashes = dict((v, k) for (k, v) in self.iteritems()) |
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302 return self._hashes |
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303 |
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304 def branchedits(self, branch, rev): |
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305 check = lambda x: x[0][1] == branch and x[0][0] < rev.revnum |
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306 return sorted(filter(check, self.iteritems()), reverse=True) |
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307 |
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308 @classmethod |
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309 def readmapfile(cls, path, missingok=True): |
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310 try: |
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311 f = open(path) |
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312 except IOError, err: |
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313 if not missingok or err.errno != errno.ENOENT: |
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314 raise |
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315 return iter([]) |
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316 ver = int(f.readline()) |
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317 if ver != cls.VERSION: |
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318 raise hgutil.Abort('revmap too new -- please upgrade') |
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319 return f |
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320 |
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321 @util.gcdisable |
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322 def _load(self): |
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323 lastpulled = self.meta.lastpulled |
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324 firstpulled = self.meta.firstpulled |
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325 setitem = dict.__setitem__ |
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326 for l in self.readmapfile(self.meta.revmap_file): |
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327 revnum, ha, branch = l.split(' ', 2) |
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328 if branch == '\n': |
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329 branch = None |
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330 else: |
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331 branch = branch[:-1] |
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332 revnum = int(revnum) |
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333 if revnum > lastpulled or not lastpulled: |
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334 lastpulled = revnum |
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335 if revnum < firstpulled or not firstpulled: |
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336 firstpulled = revnum |
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337 setitem(self, (revnum, branch), bin(ha)) |
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338 self.meta.lastpulled = lastpulled |
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339 self.meta.firstpulled = firstpulled |
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340 |
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341 def _write(self): |
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342 f = open(self.meta.revmap_file, 'w') |
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343 f.write('%s\n' % self.VERSION) |
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diff
changeset
|
344 f.close() |
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diff
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|
345 |
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|
346 def __setitem__(self, key, ha): |
408
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diff
changeset
|
347 revnum, branch = key |
1183
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maps: change revmap init to accept svnmeta not a repo
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diff
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|
348 f = open(self.meta.revmap_file, 'a') |
408
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diff
changeset
|
349 b = branch or '' |
1253
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maps: avoid O(n) property lookups on the node module
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
350 f.write(str(revnum) + ' ' + hex(ha) + ' ' + b + '\n') |
408
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diff
changeset
|
351 f.close() |
1184
43384d2782dc
svnmeta: move revmap.youngest to meta.lastpulled
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diff
changeset
|
352 if revnum > self.meta.lastpulled or not self.meta.lastpulled: |
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changeset
|
353 self.meta.lastpulled = revnum |
1186
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svnmeta: move revmap.oldest to meta.firstpulled
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diff
changeset
|
354 if revnum < self.meta.firstpulled or not self.meta.firstpulled: |
f9650d24464a
svnmeta: move revmap.oldest to meta.firstpulled
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diff
changeset
|
355 self.meta.firstpulled = revnum |
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diff
changeset
|
356 dict.__setitem__(self, (revnum, branch), ha) |
1294
9a722b5246df
maps: cache hashes() for the revmap
Mateusz Kwapich <mitrandir@fb.com>
parents:
1254
diff
changeset
|
357 if self._hashes is not None: |
9a722b5246df
maps: cache hashes() for the revmap
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diff
changeset
|
358 self._hashes[ha] = (revnum, branch) |
409
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diff
changeset
|
359 |
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diff
changeset
|
360 |
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|
361 class FileMap(object): |
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362 |
846
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Save filemap into .hg/svn/filemap just like other maps
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diff
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|
363 VERSION = 1 |
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Save filemap into .hg/svn/filemap just like other maps
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changeset
|
364 |
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diff
changeset
|
365 def __init__(self, meta): |
846
7ca3d1b08d67
Save filemap into .hg/svn/filemap just like other maps
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changeset
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366 '''Initialise a new FileMap. |
7ca3d1b08d67
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367 |
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Save filemap into .hg/svn/filemap just like other maps
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|
368 The ui argument is used to print diagnostic messages. |
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369 |
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370 The path argument is the location of the backing store, |
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371 typically .hg/svn/filemap. |
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372 ''' |
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diff
changeset
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373 self.meta = meta |
409
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diff
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|
374 self.include = {} |
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diff
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|
375 self.exclude = {} |
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diff
changeset
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376 if os.path.isfile(self.meta.filemap_file): |
846
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Save filemap into .hg/svn/filemap just like other maps
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changeset
|
377 self._load() |
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378 else: |
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Save filemap into .hg/svn/filemap just like other maps
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diff
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|
379 self._write() |
409
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diff
changeset
|
380 |
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changeset
|
381 # append file mapping specified from the commandline |
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changeset
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382 clmap = util.configpath(self.meta.ui, 'filemap') |
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changeset
|
383 if clmap: |
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changeset
|
384 self.load(clmap) |
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diff
changeset
|
385 |
409
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diff
changeset
|
386 def _rpairs(self, name): |
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diff
changeset
|
387 e = len(name) |
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diff
changeset
|
388 while e != -1: |
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diff
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|
389 yield name[:e], name[e+1:] |
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diff
changeset
|
390 e = name.rfind('/', 0, e) |
847
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
391 yield '.', name |
409
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408
diff
changeset
|
392 |
826
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diff
changeset
|
393 def check(self, m, path): |
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394 m = getattr(self, m) |
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changeset
|
395 for pre, _suf in self._rpairs(path): |
847
0de18c5c2e35
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diff
changeset
|
396 if pre in m: |
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diff
changeset
|
397 return m[pre] |
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Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
398 return -1 |
409
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408
diff
changeset
|
399 |
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diff
changeset
|
400 def __contains__(self, path): |
847
0de18c5c2e35
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diff
changeset
|
401 if not len(path): |
0de18c5c2e35
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diff
changeset
|
402 return True |
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
403 if len(self.include): |
409
d4615986e1db
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408
diff
changeset
|
404 inc = self.check('include', path) |
847
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
405 elif not len(self.exclude): |
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
406 return True |
409
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
407 else: |
847
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
Vitaliy Filippov <vitalif@yourcmc.ru>
parents:
846
diff
changeset
|
408 inc = 0 |
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
Vitaliy Filippov <vitalif@yourcmc.ru>
parents:
846
diff
changeset
|
409 if len(self.exclude): |
409
d4615986e1db
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408
diff
changeset
|
410 exc = self.check('exclude', path) |
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diff
changeset
|
411 else: |
847
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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846
diff
changeset
|
412 exc = -1 |
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
Vitaliy Filippov <vitalif@yourcmc.ru>
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846
diff
changeset
|
413 # respect rule order: newer rules override older |
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
414 return inc > exc |
409
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
415 |
822
033b86e0f56d
stupid/filemap: disable this since it doesn't currently work
Augie Fackler <durin42@gmail.com>
parents:
821
diff
changeset
|
416 # Needed so empty filemaps are false |
033b86e0f56d
stupid/filemap: disable this since it doesn't currently work
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diff
changeset
|
417 def __len__(self): |
033b86e0f56d
stupid/filemap: disable this since it doesn't currently work
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diff
changeset
|
418 return len(self.include) + len(self.exclude) |
033b86e0f56d
stupid/filemap: disable this since it doesn't currently work
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821
diff
changeset
|
419 |
826
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diff
changeset
|
420 def add(self, fn, m, path): |
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changeset
|
421 mapping = getattr(self, m) |
409
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parents:
408
diff
changeset
|
422 if path in mapping: |
593
eb16630bceb1
maps: fix a % formatting bug
Augie Fackler <durin42@gmail.com>
parents:
579
diff
changeset
|
423 msg = 'duplicate %s entry in %s: "%s"\n' |
1217
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diff
changeset
|
424 self.meta.ui.status(msg % (m, fn, path)) |
409
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408
diff
changeset
|
425 return |
956
24fbba02cb8f
maps: fix filemap loading --verbose message
Patrick Mezard <patrick@mezard.eu>
parents:
891
diff
changeset
|
426 bits = m.rstrip('e'), path |
1217
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diff
changeset
|
427 self.meta.ui.debug('%sing %s\n' % bits) |
847
0de18c5c2e35
Respect filemap rule order (rules that come first are overridden by rules that come later)
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846
diff
changeset
|
428 # respect rule order |
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Respect filemap rule order (rules that come first are overridden by rules that come later)
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diff
changeset
|
429 mapping[path] = len(self) |
1217
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diff
changeset
|
430 if fn != self.meta.filemap_file: |
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diff
changeset
|
431 f = open(self.meta.filemap_file, 'a') |
846
7ca3d1b08d67
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diff
changeset
|
432 f.write(m + ' ' + path + '\n') |
7ca3d1b08d67
Save filemap into .hg/svn/filemap just like other maps
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diff
changeset
|
433 f.close() |
409
d4615986e1db
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408
diff
changeset
|
434 |
d4615986e1db
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diff
changeset
|
435 def load(self, fn): |
1217
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changeset
|
436 self.meta.ui.debug('reading file map from %s\n' % fn) |
409
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408
diff
changeset
|
437 f = open(fn, 'r') |
846
7ca3d1b08d67
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diff
changeset
|
438 self.load_fd(f, fn) |
7ca3d1b08d67
Save filemap into .hg/svn/filemap just like other maps
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diff
changeset
|
439 f.close() |
7ca3d1b08d67
Save filemap into .hg/svn/filemap just like other maps
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diff
changeset
|
440 |
7ca3d1b08d67
Save filemap into .hg/svn/filemap just like other maps
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diff
changeset
|
441 def load_fd(self, f, fn): |
409
d4615986e1db
extract the filemap support into a separate class
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408
diff
changeset
|
442 for line in f: |
d4615986e1db
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408
diff
changeset
|
443 if line.strip() == '' or line.strip()[0] == '#': |
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
444 continue |
d4615986e1db
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parents:
408
diff
changeset
|
445 try: |
d4615986e1db
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parents:
408
diff
changeset
|
446 cmd, path = line.split(' ', 1) |
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
447 cmd = cmd.strip() |
d4615986e1db
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408
diff
changeset
|
448 path = path.strip() |
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
449 if cmd in ('include', 'exclude'): |
d4615986e1db
extract the filemap support into a separate class
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parents:
408
diff
changeset
|
450 self.add(fn, cmd, path) |
d4615986e1db
extract the filemap support into a separate class
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408
diff
changeset
|
451 continue |
1217
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1216
diff
changeset
|
452 self.meta.ui.warn('unknown filemap command %s\n' % cmd) |
409
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453 except IndexError: |
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454 msg = 'ignoring bad line in filemap %s: %s\n' |
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455 self.meta.ui.warn(msg % (fn, line.rstrip())) |
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456 |
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457 def _load(self): |
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458 self.meta.ui.debug('reading in-repo file map from %s\n' % self.meta.filemap_file) |
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459 f = open(self.meta.filemap_file) |
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460 ver = int(f.readline()) |
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461 if ver != self.VERSION: |
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462 raise hgutil.Abort('filemap too new -- please upgrade') |
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463 self.load_fd(f, self.meta.filemap_file) |
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464 f.close() |
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465 |
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466 def _write(self): |
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467 f = open(self.meta.filemap_file, 'w') |
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468 f.write('%s\n' % self.VERSION) |
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469 f.close() |
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470 |
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471 class BranchMap(BaseMap): |
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472 '''Facility for controlled renaming of branch names. Example: |
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473 |
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474 oldname = newname |
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475 other = default |
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476 |
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477 All changes on the oldname branch will now be on the newname branch; all |
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478 changes on other will now be on default (have no branch name set). |
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479 ''' |
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480 |
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481 def __init__(self, meta): |
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482 super(BranchMap, self).__init__(meta) |
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483 |
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484 class TagMap(BaseMap): |
729 | 485 '''Facility for controlled renaming of tags. Example: |
486 | |
487 oldname = newname | |
488 other = | |
489 | |
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490 The oldname tag from SVN will be represented as newname in the hg tags; |
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491 the other tag will not be reflected in the hg repository. |
729 | 492 ''' |
493 | |
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494 def __init__(self, meta): |
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495 super(TagMap, self).__init__(meta) |