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@@ -1,445 +1,445 b'' | |||
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1 | 1 | # common.py - common code for the convert extension |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | import base64, errno |
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9 | 9 | import os |
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10 | 10 | import cPickle as pickle |
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11 | 11 | from mercurial import util |
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12 | 12 | from mercurial.i18n import _ |
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13 | 13 | |
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14 | 14 | propertycache = util.propertycache |
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15 | 15 | |
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16 | 16 | def encodeargs(args): |
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17 | 17 | def encodearg(s): |
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18 | 18 | lines = base64.encodestring(s) |
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19 | 19 | lines = [l.splitlines()[0] for l in lines] |
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20 | 20 | return ''.join(lines) |
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21 | 21 | |
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22 | 22 | s = pickle.dumps(args) |
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23 | 23 | return encodearg(s) |
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24 | 24 | |
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25 | 25 | def decodeargs(s): |
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26 | 26 | s = base64.decodestring(s) |
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27 | 27 | return pickle.loads(s) |
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28 | 28 | |
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29 | 29 | class MissingTool(Exception): |
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30 | 30 | pass |
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31 | 31 | |
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32 | 32 | def checktool(exe, name=None, abort=True): |
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33 | 33 | name = name or exe |
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34 | 34 | if not util.findexe(exe): |
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35 | 35 | exc = abort and util.Abort or MissingTool |
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36 | 36 | raise exc(_('cannot find required "%s" tool') % name) |
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37 | 37 | |
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38 | 38 | class NoRepo(Exception): |
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39 | 39 | pass |
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40 | 40 | |
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41 | 41 | SKIPREV = 'SKIP' |
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42 | 42 | |
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43 | 43 | class commit(object): |
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44 | 44 | def __init__(self, author, date, desc, parents, branch=None, rev=None, |
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45 | 45 | extra={}, sortkey=None): |
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46 | 46 | self.author = author or 'unknown' |
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47 | 47 | self.date = date or '0 0' |
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48 | 48 | self.desc = desc |
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49 | 49 | self.parents = parents |
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50 | 50 | self.branch = branch |
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51 | 51 | self.rev = rev |
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52 | 52 | self.extra = extra |
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53 | 53 | self.sortkey = sortkey |
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54 | 54 | |
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55 | 55 | class converter_source(object): |
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56 | 56 | """Conversion source interface""" |
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57 | 57 | |
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58 | 58 | def __init__(self, ui, path=None, rev=None): |
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59 | 59 | """Initialize conversion source (or raise NoRepo("message") |
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60 | 60 | exception if path is not a valid repository)""" |
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61 | 61 | self.ui = ui |
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62 | 62 | self.path = path |
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63 | 63 | self.rev = rev |
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64 | 64 | |
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65 | 65 | self.encoding = 'utf-8' |
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66 | 66 | |
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67 | 67 | def before(self): |
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68 | 68 | pass |
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69 | 69 | |
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70 | 70 | def after(self): |
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71 | 71 | pass |
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72 | 72 | |
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73 | 73 | def setrevmap(self, revmap): |
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74 | 74 | """set the map of already-converted revisions""" |
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75 | 75 | pass |
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76 | 76 | |
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77 | 77 | def getheads(self): |
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78 | 78 | """Return a list of this repository's heads""" |
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79 | 79 | raise NotImplementedError |
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80 | 80 | |
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81 | 81 | def getfile(self, name, rev): |
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82 | 82 | """Return a pair (data, mode) where data is the file content |
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83 | 83 | as a string and mode one of '', 'x' or 'l'. rev is the |
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84 | 84 | identifier returned by a previous call to getchanges(). Raise |
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85 | 85 | IOError to indicate that name was deleted in rev. |
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86 | 86 | """ |
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87 | 87 | raise NotImplementedError |
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88 | 88 | |
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89 | 89 | def getchanges(self, version): |
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90 | 90 | """Returns a tuple of (files, copies). |
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91 | 91 | |
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92 | 92 | files is a sorted list of (filename, id) tuples for all files |
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93 | 93 | changed between version and its first parent returned by |
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94 | 94 | getcommit(). id is the source revision id of the file. |
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95 | 95 | |
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96 | 96 | copies is a dictionary of dest: source |
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97 | 97 | """ |
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98 | 98 | raise NotImplementedError |
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99 | 99 | |
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100 | 100 | def getcommit(self, version): |
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101 | 101 | """Return the commit object for version""" |
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102 | 102 | raise NotImplementedError |
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103 | 103 | |
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104 | 104 | def gettags(self): |
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105 | 105 | """Return the tags as a dictionary of name: revision |
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106 | 106 | |
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107 | 107 | Tag names must be UTF-8 strings. |
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108 | 108 | """ |
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109 | 109 | raise NotImplementedError |
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110 | 110 | |
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111 | 111 | def recode(self, s, encoding=None): |
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112 | 112 | if not encoding: |
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113 | 113 | encoding = self.encoding or 'utf-8' |
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114 | 114 | |
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115 | 115 | if isinstance(s, unicode): |
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116 | 116 | return s.encode("utf-8") |
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117 | 117 | try: |
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118 | 118 | return s.decode(encoding).encode("utf-8") |
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119 | 119 | except UnicodeError: |
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120 | 120 | try: |
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121 | 121 | return s.decode("latin-1").encode("utf-8") |
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122 | 122 | except UnicodeError: |
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123 | 123 | return s.decode(encoding, "replace").encode("utf-8") |
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124 | 124 | |
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125 | 125 | def getchangedfiles(self, rev, i): |
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126 | 126 | """Return the files changed by rev compared to parent[i]. |
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127 | 127 | |
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128 | 128 | i is an index selecting one of the parents of rev. The return |
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129 | 129 | value should be the list of files that are different in rev and |
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130 | 130 | this parent. |
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131 | 131 | |
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132 | 132 | If rev has no parents, i is None. |
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133 | 133 | |
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134 | 134 | This function is only needed to support --filemap |
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135 | 135 | """ |
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136 | 136 | raise NotImplementedError |
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137 | 137 | |
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138 | 138 | def converted(self, rev, sinkrev): |
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139 | 139 | '''Notify the source that a revision has been converted.''' |
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140 | 140 | pass |
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141 | 141 | |
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142 | 142 | def hasnativeorder(self): |
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143 | 143 | """Return true if this source has a meaningful, native revision |
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144 | 144 | order. For instance, Mercurial revisions are store sequentially |
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145 | 145 | while there is no such global ordering with Darcs. |
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146 | 146 | """ |
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147 | 147 | return False |
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148 | 148 | |
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149 | 149 | def lookuprev(self, rev): |
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150 | 150 | """If rev is a meaningful revision reference in source, return |
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151 | 151 | the referenced identifier in the same format used by getcommit(). |
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152 | 152 | return None otherwise. |
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153 | 153 | """ |
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154 | 154 | return None |
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155 | 155 | |
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156 | 156 | def getbookmarks(self): |
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157 | 157 | """Return the bookmarks as a dictionary of name: revision |
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158 | 158 | |
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159 | 159 | Bookmark names are to be UTF-8 strings. |
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160 | 160 | """ |
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161 | 161 | return {} |
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162 | 162 | |
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163 | 163 | class converter_sink(object): |
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164 | 164 | """Conversion sink (target) interface""" |
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165 | 165 | |
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166 | 166 | def __init__(self, ui, path): |
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167 | 167 | """Initialize conversion sink (or raise NoRepo("message") |
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168 | 168 | exception if path is not a valid repository) |
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169 | 169 | |
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170 | 170 | created is a list of paths to remove if a fatal error occurs |
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171 | 171 | later""" |
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172 | 172 | self.ui = ui |
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173 | 173 | self.path = path |
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174 | 174 | self.created = [] |
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175 | 175 | |
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176 | 176 | def getheads(self): |
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177 | 177 | """Return a list of this repository's heads""" |
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178 | 178 | raise NotImplementedError |
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179 | 179 | |
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180 | 180 | def revmapfile(self): |
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181 | 181 | """Path to a file that will contain lines |
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182 | 182 | source_rev_id sink_rev_id |
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183 | 183 | mapping equivalent revision identifiers for each system.""" |
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184 | 184 | raise NotImplementedError |
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185 | 185 | |
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186 | 186 | def authorfile(self): |
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187 | 187 | """Path to a file that will contain lines |
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188 | 188 | srcauthor=dstauthor |
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189 | 189 | mapping equivalent authors identifiers for each system.""" |
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190 | 190 | return None |
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191 | 191 | |
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192 | 192 | def putcommit(self, files, copies, parents, commit, source, revmap): |
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193 | 193 | """Create a revision with all changed files listed in 'files' |
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194 | 194 | and having listed parents. 'commit' is a commit object |
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195 | 195 | containing at a minimum the author, date, and message for this |
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196 | 196 | changeset. 'files' is a list of (path, version) tuples, |
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197 | 197 | 'copies' is a dictionary mapping destinations to sources, |
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198 | 198 | 'source' is the source repository, and 'revmap' is a mapfile |
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199 | 199 | of source revisions to converted revisions. Only getfile() and |
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200 | 200 | lookuprev() should be called on 'source'. |
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201 | 201 | |
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202 | 202 | Note that the sink repository is not told to update itself to |
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203 | 203 | a particular revision (or even what that revision would be) |
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204 | 204 | before it receives the file data. |
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205 | 205 | """ |
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206 | 206 | raise NotImplementedError |
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207 | 207 | |
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208 | 208 | def puttags(self, tags): |
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209 | 209 | """Put tags into sink. |
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210 | 210 | |
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211 | 211 | tags: {tagname: sink_rev_id, ...} where tagname is an UTF-8 string. |
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212 | 212 | Return a pair (tag_revision, tag_parent_revision), or (None, None) |
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213 | 213 | if nothing was changed. |
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214 | 214 | """ |
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215 | 215 | raise NotImplementedError |
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216 | 216 | |
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217 | 217 | def setbranch(self, branch, pbranches): |
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218 | 218 | """Set the current branch name. Called before the first putcommit |
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219 | 219 | on the branch. |
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220 | 220 | branch: branch name for subsequent commits |
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221 | 221 | pbranches: (converted parent revision, parent branch) tuples""" |
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222 | 222 | pass |
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223 | 223 | |
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224 | 224 | def setfilemapmode(self, active): |
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225 | 225 | """Tell the destination that we're using a filemap |
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226 | 226 | |
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227 | 227 | Some converter_sources (svn in particular) can claim that a file |
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228 | 228 | was changed in a revision, even if there was no change. This method |
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229 | 229 | tells the destination that we're using a filemap and that it should |
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230 | 230 | filter empty revisions. |
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231 | 231 | """ |
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232 | 232 | pass |
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233 | 233 | |
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234 | 234 | def before(self): |
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235 | 235 | pass |
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236 | 236 | |
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237 | 237 | def after(self): |
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238 | 238 | pass |
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239 | 239 | |
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240 | 240 | def putbookmarks(self, bookmarks): |
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241 | 241 | """Put bookmarks into sink. |
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242 | 242 | |
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243 | 243 | bookmarks: {bookmarkname: sink_rev_id, ...} |
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244 | 244 | where bookmarkname is an UTF-8 string. |
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245 | 245 | """ |
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246 | 246 | pass |
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247 | 247 | |
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248 | 248 | def hascommit(self, rev): |
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249 | 249 | """Return True if the sink contains rev""" |
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250 | 250 | raise NotImplementedError |
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251 | 251 | |
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252 | 252 | class commandline(object): |
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253 | 253 | def __init__(self, ui, command): |
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254 | 254 | self.ui = ui |
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255 | 255 | self.command = command |
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256 | 256 | |
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257 | 257 | def prerun(self): |
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258 | 258 | pass |
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259 | 259 | |
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260 | 260 | def postrun(self): |
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261 | 261 | pass |
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262 | 262 | |
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263 | 263 | def _cmdline(self, cmd, closestdin, *args, **kwargs): |
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264 | 264 | cmdline = [self.command, cmd] + list(args) |
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265 | 265 | for k, v in kwargs.iteritems(): |
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266 | 266 | if len(k) == 1: |
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267 | 267 | cmdline.append('-' + k) |
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268 | 268 | else: |
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269 | 269 | cmdline.append('--' + k.replace('_', '-')) |
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270 | 270 | try: |
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271 | 271 | if len(k) == 1: |
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272 | 272 | cmdline.append('' + v) |
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273 | 273 | else: |
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274 | 274 | cmdline[-1] += '=' + v |
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275 | 275 | except TypeError: |
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276 | 276 | pass |
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277 | 277 | cmdline = [util.shellquote(arg) for arg in cmdline] |
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278 | 278 | if not self.ui.debugflag: |
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279 | 279 | cmdline += ['2>', os.devnull] |
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280 | 280 | if closestdin: |
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281 | 281 | cmdline += ['<', os.devnull] |
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282 | 282 | cmdline = ' '.join(cmdline) |
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283 | 283 | return cmdline |
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284 | 284 | |
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285 | 285 | def _run(self, cmd, *args, **kwargs): |
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286 | 286 | return self._dorun(util.popen, cmd, True, *args, **kwargs) |
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287 | 287 | |
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288 | 288 | def _run2(self, cmd, *args, **kwargs): |
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289 | 289 | return self._dorun(util.popen2, cmd, False, *args, **kwargs) |
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290 | 290 | |
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291 | 291 | def _dorun(self, openfunc, cmd, closestdin, *args, **kwargs): |
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292 | 292 | cmdline = self._cmdline(cmd, closestdin, *args, **kwargs) |
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293 | 293 | self.ui.debug('running: %s\n' % (cmdline,)) |
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294 | 294 | self.prerun() |
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295 | 295 | try: |
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296 | 296 | return openfunc(cmdline) |
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297 | 297 | finally: |
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298 | 298 | self.postrun() |
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299 | 299 | |
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300 | 300 | def run(self, cmd, *args, **kwargs): |
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301 | 301 | fp = self._run(cmd, *args, **kwargs) |
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302 | 302 | output = fp.read() |
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303 | 303 | self.ui.debug(output) |
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304 | 304 | return output, fp.close() |
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305 | 305 | |
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306 | 306 | def runlines(self, cmd, *args, **kwargs): |
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307 | 307 | fp = self._run(cmd, *args, **kwargs) |
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308 | 308 | output = fp.readlines() |
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309 | 309 | self.ui.debug(''.join(output)) |
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310 | 310 | return output, fp.close() |
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311 | 311 | |
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312 | 312 | def checkexit(self, status, output=''): |
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313 | 313 | if status: |
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314 | 314 | if output: |
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315 | 315 | self.ui.warn(_('%s error:\n') % self.command) |
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316 | 316 | self.ui.warn(output) |
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317 | 317 | msg = util.explainexit(status)[0] |
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318 | 318 | raise util.Abort('%s %s' % (self.command, msg)) |
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319 | 319 | |
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320 | 320 | def run0(self, cmd, *args, **kwargs): |
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321 | 321 | output, status = self.run(cmd, *args, **kwargs) |
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322 | 322 | self.checkexit(status, output) |
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323 | 323 | return output |
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324 | 324 | |
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325 | 325 | def runlines0(self, cmd, *args, **kwargs): |
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326 | 326 | output, status = self.runlines(cmd, *args, **kwargs) |
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327 | 327 | self.checkexit(status, ''.join(output)) |
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328 | 328 | return output |
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329 | 329 | |
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330 | 330 | @propertycache |
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331 | 331 | def argmax(self): |
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332 | 332 | # POSIX requires at least 4096 bytes for ARG_MAX |
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333 | 333 | argmax = 4096 |
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334 | 334 | try: |
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335 | 335 | argmax = os.sysconf("SC_ARG_MAX") |
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336 | 336 | except (AttributeError, ValueError): |
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337 | 337 | pass |
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338 | 338 | |
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339 | 339 | # Windows shells impose their own limits on command line length, |
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340 | 340 | # down to 2047 bytes for cmd.exe under Windows NT/2k and 2500 bytes |
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341 | 341 | # for older 4nt.exe. See http://support.microsoft.com/kb/830473 for |
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342 | 342 | # details about cmd.exe limitations. |
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343 | 343 | |
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344 | 344 | # Since ARG_MAX is for command line _and_ environment, lower our limit |
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345 | 345 | # (and make happy Windows shells while doing this). |
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346 | 346 | return argmax // 2 - 1 |
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347 | 347 | |
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348 |
def limit_arglist(self, arglist, cmd |
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349 |
cmdlen = len(self._cmdline(cmd, |
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348 | def _limit_arglist(self, arglist, cmd, *args, **kwargs): | |
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349 | cmdlen = len(self._cmdline(cmd, *args, **kwargs)) | |
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350 | 350 | limit = self.argmax - cmdlen |
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351 | 351 | bytes = 0 |
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352 | 352 | fl = [] |
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353 | 353 | for fn in arglist: |
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354 | 354 | b = len(fn) + 3 |
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355 | 355 | if bytes + b < limit or len(fl) == 0: |
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356 | 356 | fl.append(fn) |
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357 | 357 | bytes += b |
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358 | 358 | else: |
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359 | 359 | yield fl |
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360 | 360 | fl = [fn] |
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361 | 361 | bytes = b |
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362 | 362 | if fl: |
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363 | 363 | yield fl |
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364 | 364 | |
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365 | 365 | def xargs(self, arglist, cmd, *args, **kwargs): |
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366 |
for l in self.limit_arglist(arglist, cmd |
|
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366 | for l in self._limit_arglist(arglist, cmd, *args, **kwargs): | |
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367 | 367 | self.run0(cmd, *(list(args) + l), **kwargs) |
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368 | 368 | |
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369 | 369 | class mapfile(dict): |
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370 | 370 | def __init__(self, ui, path): |
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371 | 371 | super(mapfile, self).__init__() |
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372 | 372 | self.ui = ui |
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373 | 373 | self.path = path |
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374 | 374 | self.fp = None |
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375 | 375 | self.order = [] |
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376 | 376 | self._read() |
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377 | 377 | |
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378 | 378 | def _read(self): |
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379 | 379 | if not self.path: |
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380 | 380 | return |
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381 | 381 | try: |
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382 | 382 | fp = open(self.path, 'r') |
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383 | 383 | except IOError, err: |
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384 | 384 | if err.errno != errno.ENOENT: |
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385 | 385 | raise |
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386 | 386 | return |
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387 | 387 | for i, line in enumerate(fp): |
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388 | 388 | line = line.splitlines()[0].rstrip() |
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389 | 389 | if not line: |
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390 | 390 | # Ignore blank lines |
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391 | 391 | continue |
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392 | 392 | try: |
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393 | 393 | key, value = line.rsplit(' ', 1) |
|
394 | 394 | except ValueError: |
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395 | 395 | raise util.Abort( |
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396 | 396 | _('syntax error in %s(%d): key/value pair expected') |
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397 | 397 | % (self.path, i + 1)) |
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398 | 398 | if key not in self: |
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399 | 399 | self.order.append(key) |
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400 | 400 | super(mapfile, self).__setitem__(key, value) |
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401 | 401 | fp.close() |
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402 | 402 | |
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403 | 403 | def __setitem__(self, key, value): |
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404 | 404 | if self.fp is None: |
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405 | 405 | try: |
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406 | 406 | self.fp = open(self.path, 'a') |
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407 | 407 | except IOError, err: |
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408 | 408 | raise util.Abort(_('could not open map file %r: %s') % |
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409 | 409 | (self.path, err.strerror)) |
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410 | 410 | self.fp.write('%s %s\n' % (key, value)) |
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411 | 411 | self.fp.flush() |
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412 | 412 | super(mapfile, self).__setitem__(key, value) |
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413 | 413 | |
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414 | 414 | def close(self): |
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415 | 415 | if self.fp: |
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416 | 416 | self.fp.close() |
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417 | 417 | self.fp = None |
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418 | 418 | |
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419 | 419 | def parsesplicemap(path): |
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420 | 420 | """Parse a splicemap, return a child/parents dictionary.""" |
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421 | 421 | if not path: |
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422 | 422 | return {} |
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423 | 423 | m = {} |
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424 | 424 | try: |
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425 | 425 | fp = open(path, 'r') |
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426 | 426 | for i, line in enumerate(fp): |
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427 | 427 | line = line.splitlines()[0].rstrip() |
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428 | 428 | if not line: |
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429 | 429 | # Ignore blank lines |
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430 | 430 | continue |
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431 | 431 | try: |
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432 | 432 | child, parents = line.split(' ', 1) |
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433 | 433 | parents = parents.replace(',', ' ').split() |
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434 | 434 | except ValueError: |
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435 | 435 | raise util.Abort(_('syntax error in %s(%d): child parent1' |
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436 | 436 | '[,parent2] expected') % (path, i + 1)) |
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437 | 437 | pp = [] |
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438 | 438 | for p in parents: |
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439 | 439 | if p not in pp: |
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440 | 440 | pp.append(p) |
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441 | 441 | m[child] = pp |
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442 | 442 | except IOError, e: |
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443 | 443 | if e.errno != errno.ENOENT: |
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444 | 444 | raise |
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445 | 445 | return m |
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