Added support for --max-changes=<count> to ease import debugging
[git/git.git] / contrib / fast-import / git-p4
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1#!/usr/bin/env python
2#
3# git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
4#
5# Author: Simon Hausmann <hausmann@kde.org>
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6# Copyright: 2007 Simon Hausmann <hausmann@kde.org>
7# 2007 Trolltech ASA
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8# License: MIT <http://www.opensource.org/licenses/mit-license.php>
9#
5834684d 10# TODO: * Consider making --with-origin the default, assuming that the git
341dc1c1 11# protocol is always more efficient. (needs manual testing first :)
24f7b53f 12#
86949eef 13
08483580 14import optparse, sys, os, marshal, popen2, subprocess, shelve
25df95cc 15import tempfile, getopt, sha, os.path, time, platform
b984733c 16from sets import Set;
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17
18gitdir = os.environ.get("GIT_DIR", "")
86949eef 19
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20def mypopen(command):
21 return os.popen(command, "rb");
22
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23def p4CmdList(cmd):
24 cmd = "p4 -G %s" % cmd
25 pipe = os.popen(cmd, "rb")
26
27 result = []
28 try:
29 while True:
30 entry = marshal.load(pipe)
31 result.append(entry)
32 except EOFError:
33 pass
34 pipe.close()
35
36 return result
37
38def p4Cmd(cmd):
39 list = p4CmdList(cmd)
40 result = {}
41 for entry in list:
42 result.update(entry)
43 return result;
44
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45def p4Where(depotPath):
46 if not depotPath.endswith("/"):
47 depotPath += "/"
48 output = p4Cmd("where %s..." % depotPath)
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49 if output["code"] == "error":
50 return ""
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51 clientPath = ""
52 if "path" in output:
53 clientPath = output.get("path")
54 elif "data" in output:
55 data = output.get("data")
56 lastSpace = data.rfind(" ")
57 clientPath = data[lastSpace + 1:]
58
59 if clientPath.endswith("..."):
60 clientPath = clientPath[:-3]
61 return clientPath
62
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63def die(msg):
64 sys.stderr.write(msg + "\n")
65 sys.exit(1)
66
67def currentGitBranch():
caace111 68 return mypopen("git name-rev HEAD").read().split(" ")[1][:-1]
86949eef 69
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70def isValidGitDir(path):
71 if os.path.exists(path + "/HEAD") and os.path.exists(path + "/refs") and os.path.exists(path + "/objects"):
72 return True;
73 return False
74
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75def parseRevision(ref):
76 return mypopen("git rev-parse %s" % ref).read()[:-1]
77
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78def system(cmd):
79 if os.system(cmd) != 0:
80 die("command failed: %s" % cmd)
81
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82def extractLogMessageFromGitCommit(commit):
83 logMessage = ""
84 foundTitle = False
caace111 85 for log in mypopen("git cat-file commit %s" % commit).readlines():
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86 if not foundTitle:
87 if len(log) == 1:
1c094184 88 foundTitle = True
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89 continue
90
91 logMessage += log
92 return logMessage
93
94def extractDepotPathAndChangeFromGitLog(log):
95 values = {}
96 for line in log.split("\n"):
97 line = line.strip()
98 if line.startswith("[git-p4:") and line.endswith("]"):
99 line = line[8:-1].strip()
100 for assignment in line.split(":"):
101 variable = assignment.strip()
102 value = ""
103 equalPos = assignment.find("=")
104 if equalPos != -1:
105 variable = assignment[:equalPos].strip()
106 value = assignment[equalPos + 1:].strip()
107 if value.startswith("\"") and value.endswith("\""):
108 value = value[1:-1]
109 values[variable] = value
110
111 return values.get("depot-path"), values.get("change")
112
8136a639 113def gitBranchExists(branch):
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114 proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE);
115 return proc.wait() == 0;
8136a639 116
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117class Command:
118 def __init__(self):
119 self.usage = "usage: %prog [options]"
8910ac0e 120 self.needsGit = True
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121
122class P4Debug(Command):
86949eef 123 def __init__(self):
6ae8de88 124 Command.__init__(self)
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125 self.options = [
126 ]
c8c39116 127 self.description = "A tool to debug the output of p4 -G."
8910ac0e 128 self.needsGit = False
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129
130 def run(self, args):
131 for output in p4CmdList(" ".join(args)):
132 print output
b984733c 133 return True
86949eef 134
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135class P4RollBack(Command):
136 def __init__(self):
137 Command.__init__(self)
138 self.options = [
52102d47 139 optparse.make_option("--verbose", dest="verbose", action="store_true")
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140 ]
141 self.description = "A tool to debug the multi-branch import. Don't use :)"
52102d47 142 self.verbose = False
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143
144 def run(self, args):
145 if len(args) != 1:
146 return False
147 maxChange = int(args[0])
148 for line in mypopen("git rev-parse --symbolic --remotes").readlines():
149 if line.startswith("p4/") and line != "p4/HEAD\n":
150 ref = "refs/remotes/" + line[:-1]
151 log = extractLogMessageFromGitCommit(ref)
152 depotPath, change = extractDepotPathAndChangeFromGitLog(log)
153 changed = False
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154
155 if len(p4Cmd("changes -m 1 %s...@%s" % (depotPath, maxChange))) == 0:
156 print "Branch %s did not exist at change %s, deleting." % (ref, maxChange)
157 system("git update-ref -d %s `git rev-parse %s`" % (ref, ref))
158 continue
159
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160 while len(change) > 0 and int(change) > maxChange:
161 changed = True
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162 if self.verbose:
163 print "%s is at %s ; rewinding towards %s" % (ref, change, maxChange)
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164 system("git update-ref %s \"%s^\"" % (ref, ref))
165 log = extractLogMessageFromGitCommit(ref)
166 depotPath, change = extractDepotPathAndChangeFromGitLog(log)
167
168 if changed:
52102d47 169 print "%s rewound to %s" % (ref, change)
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170
171 return True
172
711544b0 173class P4Submit(Command):
4f5cf76a 174 def __init__(self):
b984733c 175 Command.__init__(self)
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176 self.options = [
177 optparse.make_option("--continue", action="store_false", dest="firstTime"),
178 optparse.make_option("--origin", dest="origin"),
179 optparse.make_option("--reset", action="store_true", dest="reset"),
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180 optparse.make_option("--log-substitutions", dest="substFile"),
181 optparse.make_option("--noninteractive", action="store_false"),
04219c04 182 optparse.make_option("--dry-run", action="store_true"),
c1b296b9 183 optparse.make_option("--direct", dest="directSubmit", action="store_true"),
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184 ]
185 self.description = "Submit changes from git to the perforce depot."
c9b50e63 186 self.usage += " [name of git branch to submit into perforce depot]"
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187 self.firstTime = True
188 self.reset = False
189 self.interactive = True
190 self.dryRun = False
191 self.substFile = ""
192 self.firstTime = True
9512497b 193 self.origin = ""
c1b296b9 194 self.directSubmit = False
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195
196 self.logSubstitutions = {}
197 self.logSubstitutions["<enter description here>"] = "%log%"
198 self.logSubstitutions["\tDetails:"] = "\tDetails: %log%"
199
200 def check(self):
201 if len(p4CmdList("opened ...")) > 0:
202 die("You have files opened with perforce! Close them before starting the sync.")
203
204 def start(self):
205 if len(self.config) > 0 and not self.reset:
c3c46244 206 die("Cannot start sync. Previous sync config found at %s\nIf you want to start submitting again from scratch maybe you want to call git-p4 submit --reset" % self.configFile)
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207
208 commits = []
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209 if self.directSubmit:
210 commits.append("0")
211 else:
212 for line in mypopen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
213 commits.append(line[:-1])
214 commits.reverse()
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215
216 self.config["commits"] = commits
217
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218 def prepareLogMessage(self, template, message):
219 result = ""
220
221 for line in template.split("\n"):
222 if line.startswith("#"):
223 result += line + "\n"
224 continue
225
226 substituted = False
227 for key in self.logSubstitutions.keys():
228 if line.find(key) != -1:
229 value = self.logSubstitutions[key]
230 value = value.replace("%log%", message)
231 if value != "@remove@":
232 result += line.replace(key, value) + "\n"
233 substituted = True
234 break
235
236 if not substituted:
237 result += line + "\n"
238
239 return result
240
241 def apply(self, id):
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242 if self.directSubmit:
243 print "Applying local change in working directory/index"
244 diff = self.diffStatus
245 else:
246 print "Applying %s" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
247 diff = mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
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248 filesToAdd = set()
249 filesToDelete = set()
d336c158 250 editedFiles = set()
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251 for line in diff:
252 modifier = line[0]
253 path = line[1:].strip()
254 if modifier == "M":
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255 system("p4 edit \"%s\"" % path)
256 editedFiles.add(path)
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257 elif modifier == "A":
258 filesToAdd.add(path)
259 if path in filesToDelete:
260 filesToDelete.remove(path)
261 elif modifier == "D":
262 filesToDelete.add(path)
263 if path in filesToAdd:
264 filesToAdd.remove(path)
265 else:
266 die("unknown modifier %s for %s" % (modifier, path))
267
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268 if self.directSubmit:
269 diffcmd = "cat \"%s\"" % self.diffFile
270 else:
271 diffcmd = "git format-patch -k --stdout \"%s^\"..\"%s\"" % (id, id)
47a130b7 272 patchcmd = diffcmd + " | git apply "
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273 tryPatchCmd = patchcmd + "--check -"
274 applyPatchCmd = patchcmd + "--check --apply -"
51a2640a 275
47a130b7 276 if os.system(tryPatchCmd) != 0:
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277 print "Unfortunately applying the change failed!"
278 print "What do you want to do?"
279 response = "x"
280 while response != "s" and response != "a" and response != "w":
281 response = raw_input("[s]kip this patch / [a]pply the patch forcibly and with .rej files / [w]rite the patch to a file (patch.txt) ")
282 if response == "s":
283 print "Skipping! Good luck with the next patches..."
284 return
285 elif response == "a":
47a130b7 286 os.system(applyPatchCmd)
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287 if len(filesToAdd) > 0:
288 print "You may also want to call p4 add on the following files:"
289 print " ".join(filesToAdd)
290 if len(filesToDelete):
291 print "The following files should be scheduled for deletion with p4 delete:"
292 print " ".join(filesToDelete)
293 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
294 elif response == "w":
295 system(diffcmd + " > patch.txt")
296 print "Patch saved to patch.txt in %s !" % self.clientPath
297 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
298
47a130b7 299 system(applyPatchCmd)
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300
301 for f in filesToAdd:
302 system("p4 add %s" % f)
303 for f in filesToDelete:
304 system("p4 revert %s" % f)
305 system("p4 delete %s" % f)
306
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307 logMessage = ""
308 if not self.directSubmit:
309 logMessage = extractLogMessageFromGitCommit(id)
310 logMessage = logMessage.replace("\n", "\n\t")
311 logMessage = logMessage[:-1]
4f5cf76a 312
caace111 313 template = mypopen("p4 change -o").read()
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314
315 if self.interactive:
316 submitTemplate = self.prepareLogMessage(template, logMessage)
caace111 317 diff = mypopen("p4 diff -du ...").read()
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318
319 for newFile in filesToAdd:
320 diff += "==== new file ====\n"
321 diff += "--- /dev/null\n"
322 diff += "+++ %s\n" % newFile
323 f = open(newFile, "r")
324 for line in f.readlines():
325 diff += "+" + line
326 f.close()
327
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328 separatorLine = "######## everything below this line is just the diff #######"
329 if platform.system() == "Windows":
330 separatorLine += "\r"
331 separatorLine += "\n"
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332
333 response = "e"
53150250 334 firstIteration = True
4f5cf76a 335 while response == "e":
53150250 336 if not firstIteration:
d336c158 337 response = raw_input("Do you want to submit this change? [y]es/[e]dit/[n]o/[s]kip ")
53150250 338 firstIteration = False
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339 if response == "e":
340 [handle, fileName] = tempfile.mkstemp()
341 tmpFile = os.fdopen(handle, "w+")
53150250 342 tmpFile.write(submitTemplate + separatorLine + diff)
4f5cf76a 343 tmpFile.close()
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344 defaultEditor = "vi"
345 if platform.system() == "Windows":
346 defaultEditor = "notepad"
347 editor = os.environ.get("EDITOR", defaultEditor);
4f5cf76a 348 system(editor + " " + fileName)
25df95cc 349 tmpFile = open(fileName, "rb")
53150250 350 message = tmpFile.read()
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351 tmpFile.close()
352 os.remove(fileName)
53150250 353 submitTemplate = message[:message.index(separatorLine)]
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354
355 if response == "y" or response == "yes":
356 if self.dryRun:
357 print submitTemplate
358 raw_input("Press return to continue...")
359 else:
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360 if self.directSubmit:
361 print "Submitting to git first"
362 os.chdir(self.oldWorkingDirectory)
363 pipe = os.popen("git commit -a -F -", "wb")
364 pipe.write(submitTemplate)
365 pipe.close()
366 os.chdir(self.clientPath)
367
368 pipe = os.popen("p4 submit -i", "wb")
369 pipe.write(submitTemplate)
370 pipe.close()
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371 elif response == "s":
372 for f in editedFiles:
373 system("p4 revert \"%s\"" % f);
374 for f in filesToAdd:
375 system("p4 revert \"%s\"" % f);
376 system("rm %s" %f)
377 for f in filesToDelete:
378 system("p4 delete \"%s\"" % f);
379 return
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380 else:
381 print "Not submitting!"
382 self.interactive = False
383 else:
384 fileName = "submit.txt"
385 file = open(fileName, "w+")
386 file.write(self.prepareLogMessage(template, logMessage))
387 file.close()
388 print "Perforce submit template written as %s. Please review/edit and then use p4 submit -i < %s to submit directly!" % (fileName, fileName)
389
390 def run(self, args):
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391 global gitdir
392 # make gitdir absolute so we can cd out into the perforce checkout
393 gitdir = os.path.abspath(gitdir)
394 os.environ["GIT_DIR"] = gitdir
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395
396 if len(args) == 0:
397 self.master = currentGitBranch()
398 if len(self.master) == 0 or not os.path.exists("%s/refs/heads/%s" % (gitdir, self.master)):
399 die("Detecting current git branch failed!")
400 elif len(args) == 1:
401 self.master = args[0]
402 else:
403 return False
404
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405 depotPath = ""
406 if gitBranchExists("p4"):
407 [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
408 if len(depotPath) == 0 and gitBranchExists("origin"):
409 [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
410
411 if len(depotPath) == 0:
412 print "Internal error: cannot locate perforce depot path from existing branches"
413 sys.exit(128)
414
51a2640a 415 self.clientPath = p4Where(depotPath)
9512497b 416
51a2640a 417 if len(self.clientPath) == 0:
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418 print "Error: Cannot locate perforce checkout of %s in client view" % depotPath
419 sys.exit(128)
420
51a2640a 421 print "Perforce checkout for depot path %s located at %s" % (depotPath, self.clientPath)
7944f142 422 self.oldWorkingDirectory = os.getcwd()
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423
424 if self.directSubmit:
425 self.diffStatus = mypopen("git diff -r --name-status HEAD").readlines()
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426 if len(self.diffStatus) == 0:
427 print "No changes in working directory to submit."
428 return True
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429 patch = mypopen("git diff -p --binary --diff-filter=ACMRTUXB HEAD").read()
430 self.diffFile = gitdir + "/p4-git-diff"
431 f = open(self.diffFile, "wb")
432 f.write(patch)
433 f.close();
434
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435 os.chdir(self.clientPath)
436 response = raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self.clientPath)
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437 if response == "y" or response == "yes":
438 system("p4 sync ...")
439
440 if len(self.origin) == 0:
441 if gitBranchExists("p4"):
442 self.origin = "p4"
443 else:
444 self.origin = "origin"
445
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446 if self.reset:
447 self.firstTime = True
448
449 if len(self.substFile) > 0:
450 for line in open(self.substFile, "r").readlines():
451 tokens = line[:-1].split("=")
452 self.logSubstitutions[tokens[0]] = tokens[1]
453
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454 self.check()
455 self.configFile = gitdir + "/p4-git-sync.cfg"
456 self.config = shelve.open(self.configFile, writeback=True)
457
458 if self.firstTime:
459 self.start()
460
461 commits = self.config.get("commits", [])
462
463 while len(commits) > 0:
464 self.firstTime = False
465 commit = commits[0]
466 commits = commits[1:]
467 self.config["commits"] = commits
468 self.apply(commit)
469 if not self.interactive:
470 break
471
472 self.config.close()
473
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474 if self.directSubmit:
475 os.remove(self.diffFile)
476
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477 if len(commits) == 0:
478 if self.firstTime:
479 print "No changes found to apply between %s and current HEAD" % self.origin
480 else:
481 print "All changes applied!"
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482 os.chdir(self.oldWorkingDirectory)
483 response = raw_input("Do you want to sync from Perforce now using git-p4 rebase? [y]es/[n]o ")
80b5910f 484 if response == "y" or response == "yes":
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485 rebase = P4Rebase()
486 rebase.run([])
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487 os.remove(self.configFile)
488
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489 return True
490
711544b0 491class P4Sync(Command):
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492 def __init__(self):
493 Command.__init__(self)
494 self.options = [
495 optparse.make_option("--branch", dest="branch"),
496 optparse.make_option("--detect-branches", dest="detectBranches", action="store_true"),
497 optparse.make_option("--changesfile", dest="changesFile"),
498 optparse.make_option("--silent", dest="silent", action="store_true"),
ef48f909 499 optparse.make_option("--detect-labels", dest="detectLabels", action="store_true"),
4b97ffb1 500 optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true"),
a028a98e 501 optparse.make_option("--verbose", dest="verbose", action="store_true"),
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502 optparse.make_option("--import-local", dest="importIntoRemotes", action="store_false"),
503 optparse.make_option("--max-changes", dest="maxChanges")
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504 ]
505 self.description = """Imports from Perforce into a git repository.\n
506 example:
507 //depot/my/project/ -- to import the current head
508 //depot/my/project/@all -- to import everything
509 //depot/my/project/@1,6 -- to import only from revision 1 to 6
510
511 (a ... is not needed in the path p4 specification, it's added implicitly)"""
512
513 self.usage += " //depot/path[@revRange]"
514
b984733c 515 self.silent = False
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516 self.createdBranches = Set()
517 self.committedChanges = Set()
569d1bd4 518 self.branch = ""
b984733c 519 self.detectBranches = False
cb53e1f8 520 self.detectLabels = False
b984733c 521 self.changesFile = ""
ef48f909 522 self.syncWithOrigin = False
4b97ffb1 523 self.verbose = False
a028a98e 524 self.importIntoRemotes = True
01a9c9c5 525 self.maxChanges = ""
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526
527 def p4File(self, depotPath):
528 return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
529
530 def extractFilesFromCommit(self, commit):
531 files = []
532 fnum = 0
533 while commit.has_key("depotFile%s" % fnum):
534 path = commit["depotFile%s" % fnum]
8f872531 535 if not path.startswith(self.depotPath):
b984733c 536 # if not self.silent:
8f872531 537 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
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538 fnum = fnum + 1
539 continue
540
541 file = {}
542 file["path"] = path
543 file["rev"] = commit["rev%s" % fnum]
544 file["action"] = commit["action%s" % fnum]
545 file["type"] = commit["type%s" % fnum]
546 files.append(file)
547 fnum = fnum + 1
548 return files
549
71b112d4 550 def splitFilesIntoBranches(self, commit):
d5904674 551 branches = {}
b984733c 552
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553 fnum = 0
554 while commit.has_key("depotFile%s" % fnum):
555 path = commit["depotFile%s" % fnum]
556 if not path.startswith(self.depotPath):
557 # if not self.silent:
558 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
559 fnum = fnum + 1
560 continue
561
562 file = {}
563 file["path"] = path
564 file["rev"] = commit["rev%s" % fnum]
565 file["action"] = commit["action%s" % fnum]
566 file["type"] = commit["type%s" % fnum]
567 fnum = fnum + 1
568
569 relPath = path[len(self.depotPath):]
b984733c 570
4b97ffb1 571 for branch in self.knownBranches.keys():
af8da89c 572 if relPath.startswith(branch + "/"): # add a trailing slash so that a commit into qt/4.2foo doesn't end up in qt/4.2
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573 if branch not in branches:
574 branches[branch] = []
71b112d4 575 branches[branch].append(file)
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576
577 return branches
578
4b97ffb1 579 def commit(self, details, files, branch, branchPrefix, parent = ""):
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580 epoch = details["time"]
581 author = details["user"]
582
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583 if self.verbose:
584 print "commit into %s" % branch
585
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586 self.gitStream.write("commit %s\n" % branch)
587 # gitStream.write("mark :%s\n" % details["change"])
588 self.committedChanges.add(int(details["change"]))
589 committer = ""
b607e71e
SH
590 if author not in self.users:
591 self.getUserMapFromPerforceServer()
b984733c 592 if author in self.users:
0828ab14 593 committer = "%s %s %s" % (self.users[author], epoch, self.tz)
b984733c 594 else:
0828ab14 595 committer = "%s <a@b> %s %s" % (author, epoch, self.tz)
b984733c
SH
596
597 self.gitStream.write("committer %s\n" % committer)
598
599 self.gitStream.write("data <<EOT\n")
600 self.gitStream.write(details["desc"])
6ae8de88 601 self.gitStream.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix, details["change"]))
b984733c
SH
602 self.gitStream.write("EOT\n\n")
603
604 if len(parent) > 0:
4b97ffb1
SH
605 if self.verbose:
606 print "parent %s" % parent
b984733c
SH
607 self.gitStream.write("from %s\n" % parent)
608
b984733c
SH
609 for file in files:
610 path = file["path"]
611 if not path.startswith(branchPrefix):
612 # if not silent:
613 # print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
614 continue
615 rev = file["rev"]
616 depotPath = path + "#" + rev
617 relPath = path[len(branchPrefix):]
618 action = file["action"]
619
620 if file["type"] == "apple":
621 print "\nfile %s is a strange apple file that forks. Ignoring!" % path
622 continue
623
624 if action == "delete":
625 self.gitStream.write("D %s\n" % relPath)
626 else:
627 mode = 644
628 if file["type"].startswith("x"):
629 mode = 755
630
631 data = self.p4File(depotPath)
632
633 self.gitStream.write("M %s inline %s\n" % (mode, relPath))
634 self.gitStream.write("data %s\n" % len(data))
635 self.gitStream.write(data)
636 self.gitStream.write("\n")
637
638 self.gitStream.write("\n")
639
1f4ba1cb
SH
640 change = int(details["change"])
641
9bda3a85 642 if self.labels.has_key(change):
1f4ba1cb
SH
643 label = self.labels[change]
644 labelDetails = label[0]
645 labelRevisions = label[1]
71b112d4
SH
646 if self.verbose:
647 print "Change %s is labelled %s" % (change, labelDetails)
1f4ba1cb
SH
648
649 files = p4CmdList("files %s...@%s" % (branchPrefix, change))
650
651 if len(files) == len(labelRevisions):
652
653 cleanedFiles = {}
654 for info in files:
655 if info["action"] == "delete":
656 continue
657 cleanedFiles[info["depotFile"]] = info["rev"]
658
659 if cleanedFiles == labelRevisions:
660 self.gitStream.write("tag tag_%s\n" % labelDetails["label"])
661 self.gitStream.write("from %s\n" % branch)
662
663 owner = labelDetails["Owner"]
664 tagger = ""
665 if author in self.users:
666 tagger = "%s %s %s" % (self.users[owner], epoch, self.tz)
667 else:
668 tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz)
669 self.gitStream.write("tagger %s\n" % tagger)
670 self.gitStream.write("data <<EOT\n")
671 self.gitStream.write(labelDetails["Description"])
672 self.gitStream.write("EOT\n\n")
673
674 else:
a46668fa 675 if not self.silent:
1f4ba1cb
SH
676 print "Tag %s does not match with change %s: files do not match." % (labelDetails["label"], change)
677
678 else:
a46668fa 679 if not self.silent:
1f4ba1cb 680 print "Tag %s does not match with change %s: file count is different." % (labelDetails["label"], change)
b984733c 681
b607e71e 682 def getUserMapFromPerforceServer(self):
b984733c
SH
683 self.users = {}
684
685 for output in p4CmdList("users"):
686 if not output.has_key("User"):
687 continue
688 self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
689
b607e71e
SH
690 cache = open(gitdir + "/p4-usercache.txt", "wb")
691 for user in self.users.keys():
692 cache.write("%s\t%s\n" % (user, self.users[user]))
693 cache.close();
694
695 def loadUserMapFromCache(self):
696 self.users = {}
697 try:
698 cache = open(gitdir + "/p4-usercache.txt", "rb")
699 lines = cache.readlines()
700 cache.close()
701 for line in lines:
702 entry = line[:-1].split("\t")
703 self.users[entry[0]] = entry[1]
704 except IOError:
705 self.getUserMapFromPerforceServer()
706
1f4ba1cb
SH
707 def getLabels(self):
708 self.labels = {}
709
8f872531 710 l = p4CmdList("labels %s..." % self.depotPath)
10c3211b 711 if len(l) > 0 and not self.silent:
8f872531 712 print "Finding files belonging to labels in %s" % self.depotPath
01ce1fe9
SH
713
714 for output in l:
1f4ba1cb
SH
715 label = output["label"]
716 revisions = {}
717 newestChange = 0
71b112d4
SH
718 if self.verbose:
719 print "Querying files for label %s" % label
720 for file in p4CmdList("files %s...@%s" % (self.depotPath, label)):
1f4ba1cb
SH
721 revisions[file["depotFile"]] = file["rev"]
722 change = int(file["change"])
723 if change > newestChange:
724 newestChange = change
725
9bda3a85
SH
726 self.labels[newestChange] = [output, revisions]
727
728 if self.verbose:
729 print "Label changes: %s" % self.labels.keys()
1f4ba1cb 730
4b97ffb1 731 def getBranchMapping(self):
29bdbac1 732 self.projectName = self.depotPath[self.depotPath[:-1].rfind("/") + 1:]
4b97ffb1
SH
733
734 for info in p4CmdList("branches"):
735 details = p4Cmd("branch -o %s" % info["branch"])
736 viewIdx = 0
737 while details.has_key("View%s" % viewIdx):
738 paths = details["View%s" % viewIdx].split(" ")
739 viewIdx = viewIdx + 1
740 # require standard //depot/foo/... //depot/bar/... mapping
741 if len(paths) != 2 or not paths[0].endswith("/...") or not paths[1].endswith("/..."):
742 continue
743 source = paths[0]
744 destination = paths[1]
745 if source.startswith(self.depotPath) and destination.startswith(self.depotPath):
746 source = source[len(self.depotPath):-4]
747 destination = destination[len(self.depotPath):-4]
29bdbac1
SH
748 if destination not in self.knownBranches:
749 self.knownBranches[destination] = source
750 if source not in self.knownBranches:
751 self.knownBranches[source] = source
752
753 def listExistingP4GitBranches(self):
754 self.p4BranchesInGit = []
755
a028a98e
SH
756 cmdline = "git rev-parse --symbolic "
757 if self.importIntoRemotes:
758 cmdline += " --remotes"
759 else:
760 cmdline += " --branches"
761
762 for line in mypopen(cmdline).readlines():
29bdbac1
SH
763 if line.startswith("p4/") and line != "p4/HEAD\n":
764 branch = line[3:-1]
765 self.p4BranchesInGit.append(branch)
a028a98e 766 self.initialParents[self.refPrefix + branch] = parseRevision(line[:-1])
4b97ffb1 767
b984733c 768 def run(self, args):
8f872531 769 self.depotPath = ""
179caebf
SH
770 self.changeRange = ""
771 self.initialParent = ""
cd6cc0d3 772 self.previousDepotPath = ""
29bdbac1
SH
773 # map from branch depot path to parent branch
774 self.knownBranches = {}
775 self.initialParents = {}
776
a028a98e
SH
777 if self.importIntoRemotes:
778 self.refPrefix = "refs/remotes/p4/"
779 else:
780 self.refPrefix = "refs/heads/p4/"
781
faf1bd20
SH
782 createP4HeadRef = False;
783
a028a98e 784 if self.syncWithOrigin and gitBranchExists("origin") and gitBranchExists(self.refPrefix + "master") and not self.detectBranches:
29bdbac1 785 ### needs to be ported to multi branch import
179caebf 786
ef48f909
SH
787 print "Syncing with origin first as requested by calling git fetch origin"
788 system("git fetch origin")
789 [originPreviousDepotPath, originP4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
790 [p4PreviousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
791 if len(originPreviousDepotPath) > 0 and len(originP4Change) > 0 and len(p4Change) > 0:
792 if originPreviousDepotPath == p4PreviousDepotPath:
793 originP4Change = int(originP4Change)
794 p4Change = int(p4Change)
795 if originP4Change > p4Change:
796 print "origin (%s) is newer than p4 (%s). Updating p4 branch from origin." % (originP4Change, p4Change)
a028a98e 797 system("git update-ref " + self.refPrefix + "master origin");
ef48f909
SH
798 else:
799 print "Cannot sync with origin. It was imported from %s while remotes/p4 was imported from %s" % (originPreviousDepotPath, p4PreviousDepotPath)
800
569d1bd4 801 if len(self.branch) == 0:
a028a98e
SH
802 self.branch = self.refPrefix + "master"
803 if gitBranchExists("refs/heads/p4") and self.importIntoRemotes:
48df6fd8 804 system("git update-ref %s refs/heads/p4" % self.branch)
48df6fd8 805 system("git branch -D p4");
faf1bd20 806 # create it /after/ importing, when master exists
a028a98e 807 if not gitBranchExists(self.refPrefix + "HEAD") and self.importIntoRemotes:
faf1bd20 808 createP4HeadRef = True
967f72e2 809
33be3e65
SH
810 # this needs to be called after the conversion from heads/p4 to remotes/p4/master
811 self.listExistingP4GitBranches()
812 if len(self.p4BranchesInGit) > 1 and not self.silent:
813 print "Importing from/into multiple branches"
814 self.detectBranches = True
815
967f72e2 816 if len(args) == 0:
29bdbac1
SH
817 if not gitBranchExists(self.branch) and gitBranchExists("origin") and not self.detectBranches:
818 ### needs to be ported to multi branch import
967f72e2
SH
819 if not self.silent:
820 print "Creating %s branch in git repository based on origin" % self.branch
8ead4fda
SH
821 branch = self.branch
822 if not branch.startswith("refs"):
823 branch = "refs/heads/" + branch
824 system("git update-ref %s origin" % branch)
967f72e2 825
29bdbac1
SH
826 if self.verbose:
827 print "branches: %s" % self.p4BranchesInGit
828
829 p4Change = 0
830 for branch in self.p4BranchesInGit:
a028a98e 831 depotPath, change = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(self.refPrefix + branch))
29bdbac1
SH
832
833 if self.verbose:
834 print "path %s change %s" % (depotPath, change)
835
836 if len(depotPath) > 0 and len(change) > 0:
837 change = int(change) + 1
838 p4Change = max(p4Change, change)
839
840 if len(self.previousDepotPath) == 0:
841 self.previousDepotPath = depotPath
842 else:
843 i = 0
844 l = min(len(self.previousDepotPath), len(depotPath))
845 while i < l and self.previousDepotPath[i] == depotPath[i]:
846 i = i + 1
847 self.previousDepotPath = self.previousDepotPath[:i]
848
849 if p4Change > 0:
8f872531 850 self.depotPath = self.previousDepotPath
d5904674 851 self.changeRange = "@%s,#head" % p4Change
463e8af6 852 self.initialParent = parseRevision(self.branch)
341dc1c1 853 if not self.silent and not self.detectBranches:
967f72e2 854 print "Performing incremental import into %s git branch" % self.branch
569d1bd4 855
f9162f6a
SH
856 if not self.branch.startswith("refs/"):
857 self.branch = "refs/heads/" + self.branch
179caebf 858
8f872531
SH
859 if len(self.depotPath) != 0:
860 self.depotPath = self.depotPath[:-1]
b984733c 861
8f872531 862 if len(args) == 0 and len(self.depotPath) != 0:
b984733c 863 if not self.silent:
8f872531 864 print "Depot path: %s" % self.depotPath
b984733c
SH
865 elif len(args) != 1:
866 return False
867 else:
8f872531
SH
868 if len(self.depotPath) != 0 and self.depotPath != args[0]:
869 print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self.depotPath, args[0])
b984733c 870 sys.exit(1)
8f872531 871 self.depotPath = args[0]
b984733c 872
b984733c
SH
873 self.revision = ""
874 self.users = {}
b984733c 875
8f872531
SH
876 if self.depotPath.find("@") != -1:
877 atIdx = self.depotPath.index("@")
878 self.changeRange = self.depotPath[atIdx:]
b984733c
SH
879 if self.changeRange == "@all":
880 self.changeRange = ""
881 elif self.changeRange.find(",") == -1:
882 self.revision = self.changeRange
883 self.changeRange = ""
8f872531
SH
884 self.depotPath = self.depotPath[0:atIdx]
885 elif self.depotPath.find("#") != -1:
886 hashIdx = self.depotPath.index("#")
887 self.revision = self.depotPath[hashIdx:]
888 self.depotPath = self.depotPath[0:hashIdx]
b984733c
SH
889 elif len(self.previousDepotPath) == 0:
890 self.revision = "#head"
891
8f872531
SH
892 if self.depotPath.endswith("..."):
893 self.depotPath = self.depotPath[:-3]
b984733c 894
8f872531
SH
895 if not self.depotPath.endswith("/"):
896 self.depotPath += "/"
b984733c 897
b607e71e 898 self.loadUserMapFromCache()
cb53e1f8
SH
899 self.labels = {}
900 if self.detectLabels:
901 self.getLabels();
b984733c 902
4b97ffb1
SH
903 if self.detectBranches:
904 self.getBranchMapping();
29bdbac1
SH
905 if self.verbose:
906 print "p4-git branches: %s" % self.p4BranchesInGit
907 print "initial parents: %s" % self.initialParents
908 for b in self.p4BranchesInGit:
909 if b != "master":
910 b = b[len(self.projectName):]
911 self.createdBranches.add(b)
4b97ffb1 912
f291b4e3 913 self.tz = "%+03d%02d" % (- time.timezone / 3600, ((- time.timezone % 3600) / 60))
b984733c 914
08483580
SH
915 importProcess = subprocess.Popen(["git", "fast-import"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE);
916 self.gitOutput = importProcess.stdout
917 self.gitStream = importProcess.stdin
918 self.gitError = importProcess.stderr
b984733c
SH
919
920 if len(self.revision) > 0:
8f872531 921 print "Doing initial import of %s from revision %s" % (self.depotPath, self.revision)
b984733c
SH
922
923 details = { "user" : "git perforce import user", "time" : int(time.time()) }
8f872531 924 details["desc"] = "Initial import of %s from the state at revision %s" % (self.depotPath, self.revision)
b984733c
SH
925 details["change"] = self.revision
926 newestRevision = 0
927
928 fileCnt = 0
8f872531 929 for info in p4CmdList("files %s...%s" % (self.depotPath, self.revision)):
b984733c
SH
930 change = int(info["change"])
931 if change > newestRevision:
932 newestRevision = change
933
934 if info["action"] == "delete":
c45b1cfe
SH
935 # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
936 #fileCnt = fileCnt + 1
b984733c
SH
937 continue
938
939 for prop in [ "depotFile", "rev", "action", "type" ]:
940 details["%s%s" % (prop, fileCnt)] = info[prop]
941
942 fileCnt = fileCnt + 1
943
944 details["change"] = newestRevision
945
946 try:
8f872531 947 self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPath)
c715706b 948 except IOError:
fd4ca86a 949 print "IO error with git fast-import. Is your git version recent enough?"
b984733c
SH
950 print self.gitError.read()
951
952 else:
953 changes = []
954
0828ab14 955 if len(self.changesFile) > 0:
b984733c
SH
956 output = open(self.changesFile).readlines()
957 changeSet = Set()
958 for line in output:
959 changeSet.add(int(line))
960
961 for change in changeSet:
962 changes.append(change)
963
964 changes.sort()
965 else:
29bdbac1
SH
966 if self.verbose:
967 print "Getting p4 changes for %s...%s" % (self.depotPath, self.changeRange)
caace111 968 output = mypopen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines()
b984733c
SH
969
970 for line in output:
971 changeNum = line.split(" ")[1]
972 changes.append(changeNum)
973
974 changes.reverse()
975
01a9c9c5
SH
976 if len(self.maxChanges) > 0:
977 changes = changes[0:min(int(self.maxChanges), len(changes))]
978
b984733c 979 if len(changes) == 0:
0828ab14 980 if not self.silent:
341dc1c1 981 print "No changes to import!"
1f52af6c 982 return True
b984733c 983
341dc1c1
SH
984 self.updatedBranches = set()
985
b984733c
SH
986 cnt = 1
987 for change in changes:
988 description = p4Cmd("describe %s" % change)
989
0828ab14 990 if not self.silent:
341dc1c1 991 sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
b984733c
SH
992 sys.stdout.flush()
993 cnt = cnt + 1
994
995 try:
b984733c 996 if self.detectBranches:
71b112d4 997 branches = self.splitFilesIntoBranches(description)
d5904674 998 for branch in branches.keys():
8f872531 999 branchPrefix = self.depotPath + branch + "/"
b984733c 1000
b984733c 1001 parent = ""
4b97ffb1 1002
d5904674 1003 filesForCommit = branches[branch]
4b97ffb1 1004
29bdbac1
SH
1005 if self.verbose:
1006 print "branch is %s" % branch
1007
341dc1c1
SH
1008 self.updatedBranches.add(branch)
1009
8f9b2e08 1010 if branch not in self.createdBranches:
b984733c 1011 self.createdBranches.add(branch)
4b97ffb1 1012 parent = self.knownBranches[branch]
b984733c
SH
1013 if parent == branch:
1014 parent = ""
29bdbac1
SH
1015 elif self.verbose:
1016 print "parent determined through known branches: %s" % parent
b984733c 1017
8f9b2e08
SH
1018 # main branch? use master
1019 if branch == "main":
1020 branch = "master"
1021 else:
29bdbac1 1022 branch = self.projectName + branch
8f9b2e08
SH
1023
1024 if parent == "main":
1025 parent = "master"
1026 elif len(parent) > 0:
29bdbac1 1027 parent = self.projectName + parent
8f9b2e08 1028
a028a98e 1029 branch = self.refPrefix + branch
b984733c 1030 if len(parent) > 0:
a028a98e 1031 parent = self.refPrefix + parent
29bdbac1
SH
1032
1033 if self.verbose:
1034 print "looking for initial parent for %s; current parent is %s" % (branch, parent)
1035
1036 if len(parent) == 0 and branch in self.initialParents:
1037 parent = self.initialParents[branch]
1038 del self.initialParents[branch]
1039
71b112d4 1040 self.commit(description, filesForCommit, branch, branchPrefix, parent)
b984733c 1041 else:
71b112d4 1042 files = self.extractFilesFromCommit(description)
8f872531 1043 self.commit(description, files, self.branch, self.depotPath, self.initialParent)
b984733c
SH
1044 self.initialParent = ""
1045 except IOError:
1046 print self.gitError.read()
1047 sys.exit(1)
1048
341dc1c1
SH
1049 if not self.silent:
1050 print ""
1051 if len(self.updatedBranches) > 0:
1052 sys.stdout.write("Updated branches: ")
1053 for b in self.updatedBranches:
1054 sys.stdout.write("%s " % b)
1055 sys.stdout.write("\n")
b984733c 1056
b984733c
SH
1057
1058 self.gitStream.close()
29bdbac1
SH
1059 if importProcess.wait() != 0:
1060 die("fast-import failed: %s" % self.gitError.read())
b984733c
SH
1061 self.gitOutput.close()
1062 self.gitError.close()
1063
faf1bd20 1064 if createP4HeadRef:
a028a98e 1065 system("git symbolic-ref %s/HEAD %s" % (self.refPrefix, self.branch))
faf1bd20 1066
b984733c
SH
1067 return True
1068
01ce1fe9
SH
1069class P4Rebase(Command):
1070 def __init__(self):
1071 Command.__init__(self)
ef48f909 1072 self.options = [ optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true") ]
01ce1fe9 1073 self.description = "Fetches the latest revision from perforce and rebases the current work (branch) against it"
ef48f909 1074 self.syncWithOrigin = False
01ce1fe9
SH
1075
1076 def run(self, args):
1077 sync = P4Sync()
ef48f909 1078 sync.syncWithOrigin = self.syncWithOrigin
01ce1fe9
SH
1079 sync.run([])
1080 print "Rebasing the current branch"
caace111 1081 oldHead = mypopen("git rev-parse HEAD").read()[:-1]
01ce1fe9 1082 system("git rebase p4")
1f52af6c 1083 system("git diff-tree --stat --summary -M %s HEAD" % oldHead)
01ce1fe9
SH
1084 return True
1085
f9a3a4f7
SH
1086class P4Clone(P4Sync):
1087 def __init__(self):
1088 P4Sync.__init__(self)
1089 self.description = "Creates a new git repository and imports from Perforce into it"
1090 self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]"
1091 self.needsGit = False
f9a3a4f7
SH
1092
1093 def run(self, args):
59fa4171
SH
1094 global gitdir
1095
f9a3a4f7
SH
1096 if len(args) < 1:
1097 return False
1098 depotPath = args[0]
1099 dir = ""
1100 if len(args) == 2:
1101 dir = args[1]
1102 elif len(args) > 2:
1103 return False
1104
1105 if not depotPath.startswith("//"):
1106 return False
1107
1108 if len(dir) == 0:
1109 dir = depotPath
1110 atPos = dir.rfind("@")
1111 if atPos != -1:
1112 dir = dir[0:atPos]
1113 hashPos = dir.rfind("#")
1114 if hashPos != -1:
1115 dir = dir[0:hashPos]
1116
1117 if dir.endswith("..."):
1118 dir = dir[:-3]
1119
1120 if dir.endswith("/"):
1121 dir = dir[:-1]
1122
1123 slashPos = dir.rfind("/")
1124 if slashPos != -1:
1125 dir = dir[slashPos + 1:]
1126
1127 print "Importing from %s into %s" % (depotPath, dir)
1128 os.makedirs(dir)
1129 os.chdir(dir)
1130 system("git init")
64ffb06a 1131 gitdir = os.getcwd() + "/.git"
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1132 if not P4Sync.run(self, [depotPath]):
1133 return False
f9a3a4f7 1134 if self.branch != "master":
8f9b2e08
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1135 if gitBranchExists("refs/remotes/p4/master"):
1136 system("git branch master refs/remotes/p4/master")
1137 system("git checkout -f")
1138 else:
1139 print "Could not detect main branch. No checkout/master branch created."
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1140 return True
1141
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1142class HelpFormatter(optparse.IndentedHelpFormatter):
1143 def __init__(self):
1144 optparse.IndentedHelpFormatter.__init__(self)
1145
1146 def format_description(self, description):
1147 if description:
1148 return description + "\n"
1149 else:
1150 return ""
4f5cf76a 1151
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1152def printUsage(commands):
1153 print "usage: %s <command> [options]" % sys.argv[0]
1154 print ""
1155 print "valid commands: %s" % ", ".join(commands)
1156 print ""
1157 print "Try %s <command> --help for command specific help." % sys.argv[0]
1158 print ""
1159
1160commands = {
1161 "debug" : P4Debug(),
711544b0 1162 "submit" : P4Submit(),
01ce1fe9 1163 "sync" : P4Sync(),
f9a3a4f7 1164 "rebase" : P4Rebase(),
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1165 "clone" : P4Clone(),
1166 "rollback" : P4RollBack()
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1167}
1168
1169if len(sys.argv[1:]) == 0:
1170 printUsage(commands.keys())
1171 sys.exit(2)
1172
1173cmd = ""
1174cmdName = sys.argv[1]
1175try:
1176 cmd = commands[cmdName]
1177except KeyError:
1178 print "unknown command %s" % cmdName
1179 print ""
1180 printUsage(commands.keys())
1181 sys.exit(2)
1182
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1183options = cmd.options
1184cmd.gitdir = gitdir
4f5cf76a 1185
e20a9e53 1186args = sys.argv[2:]
86949eef 1187
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1188if len(options) > 0:
1189 options.append(optparse.make_option("--git-dir", dest="gitdir"))
1190
1191 parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName),
1192 options,
1193 description = cmd.description,
1194 formatter = HelpFormatter())
1195
1196 (cmd, args) = parser.parse_args(sys.argv[2:], cmd);
86949eef 1197
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1198if cmd.needsGit:
1199 gitdir = cmd.gitdir
1200 if len(gitdir) == 0:
1201 gitdir = ".git"
1202 if not isValidGitDir(gitdir):
81f2373f 1203 gitdir = mypopen("git rev-parse --git-dir").read()[:-1]
dc1a93b6 1204 if os.path.exists(gitdir):
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1205 cdup = mypopen("git rev-parse --show-cdup").read()[:-1];
1206 if len(cdup) > 0:
1207 os.chdir(cdup);
4f5cf76a 1208
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1209 if not isValidGitDir(gitdir):
1210 if isValidGitDir(gitdir + "/.git"):
1211 gitdir += "/.git"
1212 else:
1213 die("fatal: cannot locate git repository at %s" % gitdir)
4f5cf76a 1214
8910ac0e 1215 os.environ["GIT_DIR"] = gitdir
4f5cf76a 1216
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1217if not cmd.run(args):
1218 parser.print_help()
1219