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1 # |
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2 # Perforce source for convert extension. |
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3 # |
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4 # Copyright 2009, Frank Kingswood <frank@kingswood-consulting.co.uk> |
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5 # |
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6 # This software may be used and distributed according to the terms |
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7 # of the GNU General Public License, incorporated herein by reference. |
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8 # |
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9 |
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10 from mercurial import util |
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11 from mercurial.i18n import _ |
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12 |
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13 from common import commit, converter_source, checktool |
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14 import marshal |
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15 |
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16 def loaditer(f): |
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17 "Yield the dictionary objects generated by p4" |
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18 try: |
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19 while True: |
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20 d = marshal.load(f) |
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21 if not d: |
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22 break |
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23 yield d |
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24 except EOFError: |
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25 pass |
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26 |
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27 class p4_source(converter_source): |
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28 def __init__(self, ui, path, rev=None): |
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29 super(p4_source, self).__init__(ui, path, rev=rev) |
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30 |
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31 checktool('p4') |
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32 |
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33 self.p4changes = {} |
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34 self.heads = {} |
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35 self.changeset = {} |
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36 self.files = {} |
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37 self.tags = {} |
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38 self.lastbranch = {} |
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39 self.parent = {} |
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40 self.encoding = "latin_1" |
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41 self.depotname = {} # mapping from local name to depot name |
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42 self.modecache = {} |
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43 |
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44 self._parse(ui, path) |
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45 |
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46 def _parse_view(self, path): |
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47 "Read changes affecting the path" |
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48 cmd = "p4 -G changes -s submitted '%s'" % path |
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49 stdout = util.popen(cmd) |
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50 for d in loaditer(stdout): |
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51 c = d.get("change", None) |
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52 if c: |
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53 self.p4changes[c] = True |
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54 |
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55 def _parse(self, ui, path): |
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56 "Prepare list of P4 filenames and revisions to import" |
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57 ui.status(_('reading p4 views\n')) |
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58 |
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59 # read client spec or view |
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60 if "/" in path: |
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61 self._parse_view(path) |
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62 if path.startswith("//") and path.endswith("/..."): |
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63 views = {path[:-3]:""} |
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64 else: |
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65 views = {"//": ""} |
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66 else: |
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67 cmd = "p4 -G client -o '%s'" % path |
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68 clientspec = marshal.load(util.popen(cmd)) |
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69 |
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70 views = {} |
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71 for client in clientspec: |
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72 if client.startswith("View"): |
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73 sview, cview = clientspec[client].split() |
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74 self._parse_view(sview) |
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75 if sview.endswith("...") and cview.endswith("..."): |
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76 sview = sview[:-3] |
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77 cview = cview[:-3] |
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78 cview = cview[2:] |
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79 cview = cview[cview.find("/") + 1:] |
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80 views[sview] = cview |
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81 |
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82 # list of changes that affect our source files |
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83 self.p4changes = self.p4changes.keys() |
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84 self.p4changes.sort(key=int) |
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85 |
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86 # list with depot pathnames, longest first |
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87 vieworder = views.keys() |
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88 vieworder.sort(key=lambda x: -len(x)) |
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89 |
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90 # handle revision limiting |
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91 startrev = self.ui.config('convert', 'p4.startrev', default=0) |
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92 self.p4changes = [x for x in self.p4changes |
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93 if ((not startrev or int(x) >= int(startrev)) and |
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94 (not self.rev or int(x) <= int(self.rev)))] |
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95 |
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96 # now read the full changelists to get the list of file revisions |
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97 ui.status(_('collecting p4 changelists\n')) |
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98 lastid = None |
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99 for change in self.p4changes: |
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100 cmd = "p4 -G describe %s" % change |
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101 stdout = util.popen(cmd) |
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102 d = marshal.load(stdout) |
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103 |
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104 desc = self.recode(d["desc"]) |
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105 shortdesc = desc.split("\n", 1)[0] |
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106 t = '%s %s' % (d["change"], repr(shortdesc)[1:-1]) |
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107 ui.status(util.ellipsis(t, 80) + '\n') |
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108 |
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109 if lastid: |
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110 parents = [lastid] |
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111 else: |
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112 parents = [] |
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113 |
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114 date = (int(d["time"]), 0) # timezone not set |
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115 c = commit(author=self.recode(d["user"]), date=util.datestr(date), |
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116 parents=parents, desc=desc, branch='', extra={"p4": change}) |
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117 |
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118 files = [] |
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119 i = 0 |
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120 while ("depotFile%d" % i) in d and ("rev%d" % i) in d: |
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121 oldname = d["depotFile%d" % i] |
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122 filename = None |
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123 for v in vieworder: |
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124 if oldname.startswith(v): |
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125 filename = views[v] + oldname[len(v):] |
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126 break |
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127 if filename: |
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128 files.append((filename, d["rev%d" % i])) |
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129 self.depotname[filename] = oldname |
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130 i += 1 |
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131 self.changeset[change] = c |
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132 self.files[change] = files |
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133 lastid = change |
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134 |
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135 if lastid: |
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136 self.heads = [lastid] |
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137 |
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138 def getheads(self): |
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139 return self.heads |
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140 |
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141 def getfile(self, name, rev): |
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142 cmd = "p4 -G print '%s#%s'" % (self.depotname[name], rev) |
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143 stdout = util.popen(cmd) |
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144 |
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145 mode = None |
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146 data = "" |
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147 |
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148 for d in loaditer(stdout): |
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149 if d["code"] == "stat": |
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150 if "+x" in d["type"]: |
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151 mode = "x" |
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152 else: |
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153 mode = "" |
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154 elif d["code"] == "text": |
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155 data += d["data"] |
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156 |
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157 if mode is None: |
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158 raise IOError() |
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159 |
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160 self.modecache[(name, rev)] = mode |
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161 return data |
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162 |
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163 def getmode(self, name, rev): |
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164 return self.modecache[(name, rev)] |
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165 |
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166 def getchanges(self, rev): |
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167 return self.files[rev], {} |
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168 |
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169 def getcommit(self, rev): |
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170 return self.changeset[rev] |
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171 |
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172 def gettags(self): |
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173 return self.tags |
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174 |
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175 def getchangedfiles(self, rev, i): |
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176 return util.sort([x[0] for x in self.files[rev]]) |