Mercurial > hg
annotate hgext/convert/p4.py @ 36297:a59ff82154b8
httppeer: headers are native strings
# skip-blame just marking some native strings
Differential Revision: https://phab.mercurial-scm.org/D2313
author | Augie Fackler <augie@google.com> |
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date | Sun, 18 Feb 2018 00:03:39 -0500 |
parents | 671aba341d90 |
children | c6061cadb400 |
rev | line source |
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1 # Perforce source for convert extension. |
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2 # |
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3 # Copyright 2009, Frank Kingswood <frank@kingswood-consulting.co.uk> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 from __future__ import absolute_import |
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8 |
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9 import marshal |
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10 import re |
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11 |
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12 from mercurial.i18n import _ |
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13 from mercurial import ( |
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14 error, |
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15 util, |
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16 ) |
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17 |
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18 from . import common |
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19 |
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20 def loaditer(f): |
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21 "Yield the dictionary objects generated by p4" |
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22 try: |
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23 while True: |
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24 d = marshal.load(f) |
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25 if not d: |
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26 break |
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27 yield d |
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28 except EOFError: |
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29 pass |
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30 |
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31 def decodefilename(filename): |
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32 """Perforce escapes special characters @, #, *, or % |
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33 with %40, %23, %2A, or %25 respectively |
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34 |
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35 >>> decodefilename(b'portable-net45%252Bnetcore45%252Bwp8%252BMonoAndroid') |
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36 'portable-net45%2Bnetcore45%2Bwp8%2BMonoAndroid' |
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37 >>> decodefilename(b'//Depot/Directory/%2525/%2523/%23%40.%2A') |
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38 '//Depot/Directory/%25/%23/#@.*' |
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39 """ |
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40 replacements = [('%2A', '*'), ('%23', '#'), ('%40', '@'), ('%25', '%')] |
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41 for k, v in replacements: |
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42 filename = filename.replace(k, v) |
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43 return filename |
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44 |
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45 class p4_source(common.converter_source): |
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46 def __init__(self, ui, repotype, path, revs=None): |
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47 # avoid import cycle |
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48 from . import convcmd |
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49 |
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50 super(p4_source, self).__init__(ui, repotype, path, revs=revs) |
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51 |
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52 if "/" in path and not path.startswith('//'): |
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53 raise common.NoRepo(_('%s does not look like a P4 repository') % |
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54 path) |
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55 |
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56 common.checktool('p4', abort=False) |
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57 |
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58 self.revmap = {} |
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59 self.encoding = self.ui.config('convert', 'p4.encoding', |
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60 convcmd.orig_encoding) |
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61 self.re_type = re.compile( |
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62 "([a-z]+)?(text|binary|symlink|apple|resource|unicode|utf\d+)" |
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63 "(\+\w+)?$") |
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64 self.re_keywords = re.compile( |
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65 r"\$(Id|Header|Date|DateTime|Change|File|Revision|Author)" |
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66 r":[^$\n]*\$") |
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67 self.re_keywords_old = re.compile("\$(Id|Header):[^$\n]*\$") |
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68 |
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69 if revs and len(revs) > 1: |
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70 raise error.Abort(_("p4 source does not support specifying " |
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71 "multiple revisions")) |
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72 |
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73 def setrevmap(self, revmap): |
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74 """Sets the parsed revmap dictionary. |
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75 |
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76 Revmap stores mappings from a source revision to a target revision. |
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77 It is set in convertcmd.convert and provided by the user as a file |
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78 on the commandline. |
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79 |
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80 Revisions in the map are considered beeing present in the |
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81 repository and ignored during _parse(). This allows for incremental |
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82 imports if a revmap is provided. |
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83 """ |
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84 self.revmap = revmap |
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85 |
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86 def _parse_view(self, path): |
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87 "Read changes affecting the path" |
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88 cmd = 'p4 -G changes -s submitted %s' % util.shellquote(path) |
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89 stdout = util.popen(cmd, mode='rb') |
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90 p4changes = {} |
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91 for d in loaditer(stdout): |
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92 c = d.get("change", None) |
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93 if c: |
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94 p4changes[c] = True |
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95 return p4changes |
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96 |
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97 def _parse(self, ui, path): |
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98 "Prepare list of P4 filenames and revisions to import" |
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99 p4changes = {} |
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100 changeset = {} |
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101 files_map = {} |
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102 copies_map = {} |
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103 localname = {} |
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104 depotname = {} |
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105 heads = [] |
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106 |
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107 ui.status(_('reading p4 views\n')) |
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108 |
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109 # read client spec or view |
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110 if "/" in path: |
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111 p4changes.update(self._parse_view(path)) |
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112 if path.startswith("//") and path.endswith("/..."): |
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113 views = {path[:-3]:""} |
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114 else: |
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115 views = {"//": ""} |
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116 else: |
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117 cmd = 'p4 -G client -o %s' % util.shellquote(path) |
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118 clientspec = marshal.load(util.popen(cmd, mode='rb')) |
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119 |
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120 views = {} |
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121 for client in clientspec: |
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122 if client.startswith("View"): |
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123 sview, cview = clientspec[client].split() |
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124 p4changes.update(self._parse_view(sview)) |
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125 if sview.endswith("...") and cview.endswith("..."): |
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126 sview = sview[:-3] |
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127 cview = cview[:-3] |
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128 cview = cview[2:] |
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129 cview = cview[cview.find("/") + 1:] |
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130 views[sview] = cview |
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131 |
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132 # list of changes that affect our source files |
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133 p4changes = p4changes.keys() |
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134 p4changes.sort(key=int) |
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135 |
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136 # list with depot pathnames, longest first |
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137 vieworder = views.keys() |
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139 |
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140 # handle revision limiting |
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141 startrev = self.ui.config('convert', 'p4.startrev') |
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142 |
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143 # now read the full changelists to get the list of file revisions |
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144 ui.status(_('collecting p4 changelists\n')) |
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145 lastid = None |
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146 for change in p4changes: |
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147 if startrev and int(change) < int(startrev): |
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148 continue |
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149 if self.revs and int(change) > int(self.revs[0]): |
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150 continue |
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151 if change in self.revmap: |
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152 # Ignore already present revisions, but set the parent pointer. |
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153 lastid = change |
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154 continue |
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155 |
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156 if lastid: |
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157 parents = [lastid] |
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158 else: |
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159 parents = [] |
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160 |
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161 d = self._fetch_revision(change) |
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162 c = self._construct_commit(d, parents) |
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163 |
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164 descarr = c.desc.splitlines(True) |
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165 if len(descarr) > 0: |
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166 shortdesc = descarr[0].rstrip('\r\n') |
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167 else: |
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168 shortdesc = '**empty changelist description**' |
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169 |
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170 t = '%s %s' % (c.rev, repr(shortdesc)[1:-1]) |
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171 ui.status(util.ellipsis(t, 80) + '\n') |
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172 |
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173 files = [] |
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174 copies = {} |
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175 copiedfiles = [] |
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176 i = 0 |
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177 while ("depotFile%d" % i) in d and ("rev%d" % i) in d: |
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178 oldname = d["depotFile%d" % i] |
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179 filename = None |
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180 for v in vieworder: |
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181 if oldname.lower().startswith(v.lower()): |
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182 filename = decodefilename(views[v] + oldname[len(v):]) |
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183 break |
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184 if filename: |
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185 files.append((filename, d["rev%d" % i])) |
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186 depotname[filename] = oldname |
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187 if (d.get("action%d" % i) == "move/add"): |
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188 copiedfiles.append(filename) |
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189 localname[oldname] = filename |
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190 i += 1 |
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191 |
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192 # Collect information about copied files |
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193 for filename in copiedfiles: |
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194 oldname = depotname[filename] |
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195 |
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196 flcmd = 'p4 -G filelog %s' \ |
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197 % util.shellquote(oldname) |
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198 flstdout = util.popen(flcmd, mode='rb') |
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199 |
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200 copiedfilename = None |
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201 for d in loaditer(flstdout): |
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202 copiedoldname = None |
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203 |
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204 i = 0 |
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205 while ("change%d" % i) in d: |
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206 if (d["change%d" % i] == change and |
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207 d["action%d" % i] == "move/add"): |
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208 j = 0 |
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209 while ("file%d,%d" % (i, j)) in d: |
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210 if d["how%d,%d" % (i, j)] == "moved from": |
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211 copiedoldname = d["file%d,%d" % (i, j)] |
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212 break |
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213 j += 1 |
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214 i += 1 |
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215 |
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216 if copiedoldname and copiedoldname in localname: |
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217 copiedfilename = localname[copiedoldname] |
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218 break |
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219 |
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220 if copiedfilename: |
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221 copies[filename] = copiedfilename |
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222 else: |
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223 ui.warn(_("cannot find source for copied file: %s@%s\n") |
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224 % (filename, change)) |
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225 |
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226 changeset[change] = c |
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227 files_map[change] = files |
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228 copies_map[change] = copies |
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229 lastid = change |
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230 |
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231 if lastid and len(changeset) > 0: |
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232 heads = [lastid] |
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233 |
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234 return { |
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235 'changeset': changeset, |
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236 'files': files_map, |
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237 'copies': copies_map, |
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238 'heads': heads, |
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239 'depotname': depotname, |
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240 } |
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241 |
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242 @util.propertycache |
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243 def _parse_once(self): |
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244 return self._parse(self.ui, self.path) |
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245 |
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246 @util.propertycache |
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247 def copies(self): |
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248 return self._parse_once['copies'] |
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249 |
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250 @util.propertycache |
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251 def files(self): |
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252 return self._parse_once['files'] |
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253 |
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254 @util.propertycache |
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255 def changeset(self): |
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256 return self._parse_once['changeset'] |
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257 |
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258 @util.propertycache |
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259 def heads(self): |
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260 return self._parse_once['heads'] |
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261 |
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262 @util.propertycache |
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263 def depotname(self): |
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264 return self._parse_once['depotname'] |
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265 |
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266 def getheads(self): |
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267 return self.heads |
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268 |
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269 def getfile(self, name, rev): |
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270 cmd = 'p4 -G print %s' \ |
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271 % util.shellquote("%s#%s" % (self.depotname[name], rev)) |
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272 |
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273 lasterror = None |
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274 while True: |
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275 stdout = util.popen(cmd, mode='rb') |
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276 |
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277 mode = None |
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278 contents = [] |
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279 keywords = None |
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280 |
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281 for d in loaditer(stdout): |
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282 code = d["code"] |
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283 data = d.get("data") |
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284 |
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285 if code == "error": |
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286 # if this is the first time error happened |
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287 # re-attempt getting the file |
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288 if not lasterror: |
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289 lasterror = IOError(d["generic"], data) |
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290 # this will exit inner-most for-loop |
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291 break |
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292 else: |
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293 raise lasterror |
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294 |
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295 elif code == "stat": |
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296 action = d.get("action") |
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297 if action in ["purge", "delete", "move/delete"]: |
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298 return None, None |
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299 p4type = self.re_type.match(d["type"]) |
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300 if p4type: |
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301 mode = "" |
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302 flags = ((p4type.group(1) or "") |
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303 + (p4type.group(3) or "")) |
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304 if "x" in flags: |
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305 mode = "x" |
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306 if p4type.group(2) == "symlink": |
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307 mode = "l" |
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308 if "ko" in flags: |
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309 keywords = self.re_keywords_old |
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310 elif "k" in flags: |
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311 keywords = self.re_keywords |
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312 |
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313 elif code == "text" or code == "binary": |
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314 contents.append(data) |
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315 |
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316 lasterror = None |
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317 |
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318 if not lasterror: |
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319 break |
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320 |
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321 if mode is None: |
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322 return None, None |
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323 |
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324 contents = ''.join(contents) |
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325 |
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326 if keywords: |
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327 contents = keywords.sub("$\\1$", contents) |
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328 if mode == "l" and contents.endswith("\n"): |
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329 contents = contents[:-1] |
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330 |
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331 return contents, mode |
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332 |
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333 def getchanges(self, rev, full): |
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334 if full: |
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335 raise error.Abort(_("convert from p4 does not support --full")) |
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336 return self.files[rev], self.copies[rev], set() |
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337 |
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338 def _construct_commit(self, obj, parents=None): |
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339 """ |
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340 Constructs a common.commit object from an unmarshalled |
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341 `p4 describe` output |
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342 """ |
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343 desc = self.recode(obj.get("desc", "")) |
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344 date = (int(obj["time"]), 0) # timezone not set |
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345 if parents is None: |
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346 parents = [] |
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347 |
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348 return common.commit(author=self.recode(obj["user"]), |
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349 date=util.datestr(date, '%Y-%m-%d %H:%M:%S %1%2'), |
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350 parents=parents, desc=desc, branch=None, rev=obj['change'], |
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351 extra={"p4": obj['change'], "convert_revision": obj['change']}) |
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352 |
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353 def _fetch_revision(self, rev): |
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354 """Return an output of `p4 describe` including author, commit date as |
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355 a dictionary.""" |
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356 cmd = "p4 -G describe -s %s" % rev |
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357 stdout = util.popen(cmd, mode='rb') |
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358 return marshal.load(stdout) |
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359 |
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360 def getcommit(self, rev): |
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361 if rev in self.changeset: |
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362 return self.changeset[rev] |
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363 elif rev in self.revmap: |
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364 d = self._fetch_revision(rev) |
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365 return self._construct_commit(d, parents=None) |
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366 raise error.Abort( |
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367 _("cannot find %s in the revmap or parsed changesets") % rev) |
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368 |
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369 def gettags(self): |
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370 return {} |
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371 |
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372 def getchangedfiles(self, rev, i): |
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373 return sorted([x[0] for x in self.files[rev]]) |