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@@ -1,377 +1,382 b'' | |||
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1 | 1 | # convcmd - convert extension commands definition |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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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, incorporated herein by reference. |
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7 | 7 | |
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8 | 8 | from common import NoRepo, MissingTool, SKIPREV, mapfile |
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9 | 9 | from cvs import convert_cvs |
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10 | 10 | from darcs import darcs_source |
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11 | 11 | from git import convert_git |
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12 | 12 | from hg import mercurial_source, mercurial_sink |
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13 | 13 | from subversion import svn_source, svn_sink |
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14 | 14 | from monotone import monotone_source |
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15 | 15 | from gnuarch import gnuarch_source |
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16 | 16 | from bzr import bzr_source |
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17 | 17 | from p4 import p4_source |
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18 | 18 | import filemap |
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19 | 19 | |
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20 | 20 | import os, shutil |
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21 | 21 | from mercurial import hg, util, encoding |
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22 | 22 | from mercurial.i18n import _ |
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23 | 23 | |
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24 | 24 | orig_encoding = 'ascii' |
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25 | 25 | |
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26 | 26 | def recode(s): |
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27 | 27 | if isinstance(s, unicode): |
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28 | 28 | return s.encode(orig_encoding, 'replace') |
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29 | 29 | else: |
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30 | 30 | return s.decode('utf-8').encode(orig_encoding, 'replace') |
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31 | 31 | |
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32 | 32 | source_converters = [ |
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33 | 33 | ('cvs', convert_cvs), |
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34 | 34 | ('git', convert_git), |
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35 | 35 | ('svn', svn_source), |
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36 | 36 | ('hg', mercurial_source), |
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37 | 37 | ('darcs', darcs_source), |
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38 | 38 | ('mtn', monotone_source), |
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39 | 39 | ('gnuarch', gnuarch_source), |
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40 | 40 | ('bzr', bzr_source), |
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41 | 41 | ('p4', p4_source), |
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42 | 42 | ] |
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43 | 43 | |
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44 | 44 | sink_converters = [ |
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45 | 45 | ('hg', mercurial_sink), |
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46 | 46 | ('svn', svn_sink), |
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47 | 47 | ] |
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48 | 48 | |
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49 | 49 | def convertsource(ui, path, type, rev): |
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50 | 50 | exceptions = [] |
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51 | 51 | for name, source in source_converters: |
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52 | 52 | try: |
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53 | 53 | if not type or name == type: |
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54 | 54 | return source(ui, path, rev) |
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55 | 55 | except (NoRepo, MissingTool), inst: |
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56 | 56 | exceptions.append(inst) |
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57 | 57 | if not ui.quiet: |
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58 | 58 | for inst in exceptions: |
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59 | 59 | ui.write("%s\n" % inst) |
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60 | 60 | raise util.Abort(_('%s: missing or unsupported repository') % path) |
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61 | 61 | |
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62 | 62 | def convertsink(ui, path, type): |
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63 | 63 | for name, sink in sink_converters: |
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64 | 64 | try: |
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65 | 65 | if not type or name == type: |
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66 | 66 | return sink(ui, path) |
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67 | 67 | except NoRepo, inst: |
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68 | 68 | ui.note(_("convert: %s\n") % inst) |
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69 | 69 | raise util.Abort(_('%s: unknown repository type') % path) |
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70 | 70 | |
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71 | 71 | class converter(object): |
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72 | 72 | def __init__(self, ui, source, dest, revmapfile, opts): |
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73 | 73 | |
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74 | 74 | self.source = source |
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75 | 75 | self.dest = dest |
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76 | 76 | self.ui = ui |
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77 | 77 | self.opts = opts |
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78 | 78 | self.commitcache = {} |
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79 | 79 | self.authors = {} |
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80 | 80 | self.authorfile = None |
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81 | 81 | |
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82 | 82 | # Record converted revisions persistently: maps source revision |
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83 | 83 | # ID to target revision ID (both strings). (This is how |
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84 | 84 | # incremental conversions work.) |
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85 | 85 | self.map = mapfile(ui, revmapfile) |
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86 | 86 | |
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87 | 87 | # Read first the dst author map if any |
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88 | 88 | authorfile = self.dest.authorfile() |
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89 | 89 | if authorfile and os.path.exists(authorfile): |
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90 | 90 | self.readauthormap(authorfile) |
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91 | 91 | # Extend/Override with new author map if necessary |
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92 | 92 | if opts.get('authors'): |
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93 | 93 | self.readauthormap(opts.get('authors')) |
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94 | 94 | self.authorfile = self.dest.authorfile() |
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95 | 95 | |
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96 | 96 | self.splicemap = mapfile(ui, opts.get('splicemap')) |
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97 | 97 | self.branchmap = mapfile(ui, opts.get('branchmap')) |
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98 | 98 | |
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99 | 99 | def walktree(self, heads): |
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100 | 100 | '''Return a mapping that identifies the uncommitted parents of every |
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101 | 101 | uncommitted changeset.''' |
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102 | 102 | visit = heads |
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103 | 103 | known = set() |
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104 | 104 | parents = {} |
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105 | 105 | while visit: |
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106 | 106 | n = visit.pop(0) |
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107 | 107 | if n in known or n in self.map: continue |
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108 | 108 | known.add(n) |
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109 | 109 | commit = self.cachecommit(n) |
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110 | 110 | parents[n] = [] |
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111 | 111 | for p in commit.parents: |
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112 | 112 | parents[n].append(p) |
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113 | 113 | visit.append(p) |
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114 | 114 | |
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115 | 115 | return parents |
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116 | 116 | |
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117 | def toposort(self, parents): | |
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117 | def toposort(self, parents, sortmode): | |
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118 | 118 | '''Return an ordering such that every uncommitted changeset is |
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119 | 119 | preceeded by all its uncommitted ancestors.''' |
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120 | 120 | |
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121 | 121 | def mapchildren(parents): |
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122 | 122 | """Return a (children, roots) tuple where 'children' maps parent |
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123 | 123 | revision identifiers to children ones, and 'roots' is the list of |
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124 | 124 | revisions without parents. 'parents' must be a mapping of revision |
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125 | 125 | identifier to its parents ones. |
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126 | 126 | """ |
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127 | 127 | visit = parents.keys() |
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128 | 128 | seen = set() |
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129 | 129 | children = {} |
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130 | 130 | roots = [] |
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131 | 131 | |
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132 | 132 | while visit: |
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133 | 133 | n = visit.pop(0) |
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134 | 134 | if n in seen: |
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135 | 135 | continue |
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136 | 136 | seen.add(n) |
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137 | 137 | # Ensure that nodes without parents are present in the |
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138 | 138 | # 'children' mapping. |
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139 | 139 | children.setdefault(n, []) |
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140 | 140 | hasparent = False |
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141 | 141 | for p in parents[n]: |
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142 | 142 | if not p in self.map: |
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143 | 143 | visit.append(p) |
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144 | 144 | hasparent = True |
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145 | 145 | children.setdefault(p, []).append(n) |
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146 | 146 | if not hasparent: |
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147 | 147 | roots.append(n) |
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148 | 148 | |
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149 | 149 | return children, roots |
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150 | 150 | |
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151 | 151 | # Sort functions are supposed to take a list of revisions which |
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152 | 152 | # can be converted immediately and pick one |
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153 | 153 | |
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154 | 154 | def makebranchsorter(): |
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155 | 155 | """If the previously converted revision has a child in the |
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156 | 156 | eligible revisions list, pick it. Return the list head |
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157 | 157 | otherwise. Branch sort attempts to minimize branch |
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158 | 158 | switching, which is harmful for Mercurial backend |
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159 | 159 | compression. |
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160 | 160 | """ |
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161 | 161 | prev = [None] |
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162 | 162 | def picknext(nodes): |
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163 | 163 | next = nodes[0] |
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164 | 164 | for n in nodes: |
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165 | 165 | if prev[0] in parents[n]: |
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166 | 166 | next = n |
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167 | 167 | break |
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168 | 168 | prev[0] = next |
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169 | 169 | return next |
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170 | 170 | return picknext |
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171 | 171 | |
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172 | 172 | def makedatesorter(): |
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173 | 173 | """Sort revisions by date.""" |
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174 | 174 | dates = {} |
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175 | 175 | def getdate(n): |
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176 | 176 | if n not in dates: |
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177 | 177 | dates[n] = util.parsedate(self.commitcache[n].date) |
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178 | 178 | return dates[n] |
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179 | 179 | |
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180 | 180 | def picknext(nodes): |
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181 | 181 | return min([(getdate(n), n) for n in nodes])[1] |
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182 | 182 | |
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183 | 183 | return picknext |
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184 | 184 | |
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185 | if self.opts.get('datesort'): | |
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185 | if sortmode == 'branchsort': | |
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186 | picknext = makebranchsorter() | |
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187 | elif sortmode == 'datesort': | |
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186 | 188 | picknext = makedatesorter() |
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187 | 189 | else: |
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188 | picknext = makebranchsorter() | |
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190 | raise util.Abort(_('unknown sort mode: %s') % sortmode) | |
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189 | 191 | |
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190 | 192 | children, actives = mapchildren(parents) |
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191 | 193 | |
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192 | 194 | s = [] |
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193 | 195 | pendings = {} |
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194 | 196 | while actives: |
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195 | 197 | n = picknext(actives) |
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196 | 198 | actives.remove(n) |
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197 | 199 | s.append(n) |
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198 | 200 | |
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199 | 201 | # Update dependents list |
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200 | 202 | for c in children.get(n, []): |
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201 | 203 | if c not in pendings: |
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202 | 204 | pendings[c] = [p for p in parents[c] if p not in self.map] |
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203 | 205 | try: |
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204 | 206 | pendings[c].remove(n) |
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205 | 207 | except ValueError: |
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206 | 208 | raise util.Abort(_('cycle detected between %s and %s') |
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207 | 209 | % (recode(c), recode(n))) |
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208 | 210 | if not pendings[c]: |
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209 | 211 | # Parents are converted, node is eligible |
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210 | 212 | actives.insert(0, c) |
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211 | 213 | pendings[c] = None |
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212 | 214 | |
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213 | 215 | if len(s) != len(parents): |
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214 | 216 | raise util.Abort(_("not all revisions were sorted")) |
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215 | 217 | |
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216 | 218 | return s |
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217 | 219 | |
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218 | 220 | def writeauthormap(self): |
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219 | 221 | authorfile = self.authorfile |
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220 | 222 | if authorfile: |
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221 | 223 | self.ui.status(_('Writing author map file %s\n') % authorfile) |
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222 | 224 | ofile = open(authorfile, 'w+') |
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223 | 225 | for author in self.authors: |
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224 | 226 | ofile.write("%s=%s\n" % (author, self.authors[author])) |
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225 | 227 | ofile.close() |
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226 | 228 | |
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227 | 229 | def readauthormap(self, authorfile): |
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228 | 230 | afile = open(authorfile, 'r') |
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229 | 231 | for line in afile: |
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230 | 232 | |
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231 | 233 | line = line.strip() |
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232 | 234 | if not line or line.startswith('#'): |
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233 | 235 | continue |
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234 | 236 | |
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235 | 237 | try: |
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236 | 238 | srcauthor, dstauthor = line.split('=', 1) |
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237 | 239 | except ValueError: |
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238 | 240 | msg = _('Ignoring bad line in author map file %s: %s\n') |
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239 | 241 | self.ui.warn(msg % (authorfile, line.rstrip())) |
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240 | 242 | continue |
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241 | 243 | |
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242 | 244 | srcauthor = srcauthor.strip() |
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243 | 245 | dstauthor = dstauthor.strip() |
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244 | 246 | if self.authors.get(srcauthor) in (None, dstauthor): |
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245 | 247 | msg = _('mapping author %s to %s\n') |
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246 | 248 | self.ui.debug(msg % (srcauthor, dstauthor)) |
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247 | 249 | self.authors[srcauthor] = dstauthor |
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248 | 250 | continue |
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249 | 251 | |
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250 | 252 | m = _('overriding mapping for author %s, was %s, will be %s\n') |
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251 | 253 | self.ui.status(m % (srcauthor, self.authors[srcauthor], dstauthor)) |
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252 | 254 | |
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253 | 255 | afile.close() |
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254 | 256 | |
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255 | 257 | def cachecommit(self, rev): |
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256 | 258 | commit = self.source.getcommit(rev) |
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257 | 259 | commit.author = self.authors.get(commit.author, commit.author) |
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258 | 260 | commit.branch = self.branchmap.get(commit.branch, commit.branch) |
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259 | 261 | self.commitcache[rev] = commit |
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260 | 262 | return commit |
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261 | 263 | |
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262 | 264 | def copy(self, rev): |
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263 | 265 | commit = self.commitcache[rev] |
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264 | 266 | |
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265 | 267 | changes = self.source.getchanges(rev) |
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266 | 268 | if isinstance(changes, basestring): |
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267 | 269 | if changes == SKIPREV: |
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268 | 270 | dest = SKIPREV |
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269 | 271 | else: |
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270 | 272 | dest = self.map[changes] |
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271 | 273 | self.map[rev] = dest |
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272 | 274 | return |
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273 | 275 | files, copies = changes |
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274 | 276 | pbranches = [] |
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275 | 277 | if commit.parents: |
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276 | 278 | for prev in commit.parents: |
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277 | 279 | if prev not in self.commitcache: |
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278 | 280 | self.cachecommit(prev) |
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279 | 281 | pbranches.append((self.map[prev], |
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280 | 282 | self.commitcache[prev].branch)) |
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281 | 283 | self.dest.setbranch(commit.branch, pbranches) |
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282 | 284 | try: |
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283 | 285 | parents = self.splicemap[rev].replace(',', ' ').split() |
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284 | 286 | self.ui.status(_('spliced in %s as parents of %s\n') % |
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285 | 287 | (parents, rev)) |
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286 | 288 | parents = [self.map.get(p, p) for p in parents] |
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287 | 289 | except KeyError: |
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288 | 290 | parents = [b[0] for b in pbranches] |
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289 | 291 | newnode = self.dest.putcommit(files, copies, parents, commit, self.source) |
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290 | 292 | self.source.converted(rev, newnode) |
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291 | 293 | self.map[rev] = newnode |
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292 | 294 | |
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293 | def convert(self): | |
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294 | ||
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295 | def convert(self, sortmode): | |
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295 | 296 | try: |
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296 | 297 | self.source.before() |
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297 | 298 | self.dest.before() |
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298 | 299 | self.source.setrevmap(self.map) |
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299 | 300 | self.ui.status(_("scanning source...\n")) |
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300 | 301 | heads = self.source.getheads() |
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301 | 302 | parents = self.walktree(heads) |
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302 | 303 | self.ui.status(_("sorting...\n")) |
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303 | t = self.toposort(parents) | |
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304 | t = self.toposort(parents, sortmode) | |
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304 | 305 | num = len(t) |
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305 | 306 | c = None |
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306 | 307 | |
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307 | 308 | self.ui.status(_("converting...\n")) |
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308 | 309 | for c in t: |
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309 | 310 | num -= 1 |
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310 | 311 | desc = self.commitcache[c].desc |
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311 | 312 | if "\n" in desc: |
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312 | 313 | desc = desc.splitlines()[0] |
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313 | 314 | # convert log message to local encoding without using |
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314 | 315 | # tolocal() because encoding.encoding conver() use it as |
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315 | 316 | # 'utf-8' |
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316 | 317 | self.ui.status("%d %s\n" % (num, recode(desc))) |
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317 | 318 | self.ui.note(_("source: %s\n") % recode(c)) |
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318 | 319 | self.copy(c) |
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319 | 320 | |
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320 | 321 | tags = self.source.gettags() |
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321 | 322 | ctags = {} |
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322 | 323 | for k in tags: |
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323 | 324 | v = tags[k] |
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324 | 325 | if self.map.get(v, SKIPREV) != SKIPREV: |
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325 | 326 | ctags[k] = self.map[v] |
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326 | 327 | |
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327 | 328 | if c and ctags: |
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328 | 329 | nrev = self.dest.puttags(ctags) |
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329 | 330 | # write another hash correspondence to override the previous |
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330 | 331 | # one so we don't end up with extra tag heads |
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331 | 332 | if nrev: |
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332 | 333 | self.map[c] = nrev |
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333 | 334 | |
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334 | 335 | self.writeauthormap() |
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335 | 336 | finally: |
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336 | 337 | self.cleanup() |
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337 | 338 | |
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338 | 339 | def cleanup(self): |
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339 | 340 | try: |
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340 | 341 | self.dest.after() |
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341 | 342 | finally: |
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342 | 343 | self.source.after() |
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343 | 344 | self.map.close() |
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344 | 345 | |
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345 | 346 | def convert(ui, src, dest=None, revmapfile=None, **opts): |
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346 | 347 | global orig_encoding |
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347 | 348 | orig_encoding = encoding.encoding |
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348 | 349 | encoding.encoding = 'UTF-8' |
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349 | 350 | |
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350 | 351 | if not dest: |
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351 | 352 | dest = hg.defaultdest(src) + "-hg" |
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352 | 353 | ui.status(_("assuming destination %s\n") % dest) |
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353 | 354 | |
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354 | 355 | destc = convertsink(ui, dest, opts.get('dest_type')) |
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355 | 356 | |
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356 | 357 | try: |
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357 | 358 | srcc = convertsource(ui, src, opts.get('source_type'), |
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358 | 359 | opts.get('rev')) |
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359 | 360 | except Exception: |
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360 | 361 | for path in destc.created: |
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361 | 362 | shutil.rmtree(path, True) |
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362 | 363 | raise |
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363 | 364 | |
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365 | sortmode = 'branchsort' | |
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366 | if opts.get('datesort'): | |
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367 | sortmode = 'datesort' | |
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368 | ||
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364 | 369 | fmap = opts.get('filemap') |
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365 | 370 | if fmap: |
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366 | 371 | srcc = filemap.filemap_source(ui, srcc, fmap) |
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367 | 372 | destc.setfilemapmode(True) |
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368 | 373 | |
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369 | 374 | if not revmapfile: |
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370 | 375 | try: |
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371 | 376 | revmapfile = destc.revmapfile() |
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372 | 377 | except: |
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373 | 378 | revmapfile = os.path.join(destc, "map") |
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374 | 379 | |
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375 | 380 | c = converter(ui, srcc, destc, revmapfile, opts) |
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376 | c.convert() | |
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381 | c.convert(sortmode) | |
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377 | 382 |
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