3 # git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
5 # Author: Simon Hausmann <hausmann@kde.org>
6 # Copyright: 2007 Simon Hausmann <hausmann@kde.org>
8 # License: MIT <http://www.opensource.org/licenses/mit-license.php>
11 import optparse, sys, os, marshal, popen2, subprocess, shelve
12 import tempfile, getopt, sha, os.path, time, platform
15 gitdir = os.environ.get("GIT_DIR", "")
18 return os.popen(command, "rb");
21 cmd = "p4 -G %s" % cmd
22 pipe = os.popen(cmd, "rb")
27 entry = marshal.load(pipe)
42 def p4Where(depotPath):
43 if not depotPath.endswith("/"):
45 output = p4Cmd("where %s..." % depotPath)
48 clientPath = output.get("path")
49 elif "data" in output:
50 data = output.get("data")
51 lastSpace = data.rfind(" ")
52 clientPath = data[lastSpace + 1:]
54 if clientPath.endswith("..."):
55 clientPath = clientPath[:-3]
59 sys.stderr.write(msg + "\n")
62 def currentGitBranch():
63 return mypopen("git name-rev HEAD").read().split(" ")[1][:-1]
65 def isValidGitDir(path):
66 if os.path.exists(path + "/HEAD") and os.path.exists(path + "/refs") and os.path.exists(path + "/objects"):
70 def parseRevision(ref):
71 return mypopen("git rev-parse %s" % ref).read()[:-1]
74 if os.system(cmd) != 0:
75 die("command failed: %s" % cmd)
77 def extractLogMessageFromGitCommit(commit):
80 for log in mypopen("git cat-file commit %s" % commit).readlines():
89 def extractDepotPathAndChangeFromGitLog(log):
91 for line in log.split("\n"):
93 if line.startswith("[git-p4:") and line.endswith("]"):
94 line = line[8:-1].strip()
95 for assignment in line.split(":"):
96 variable = assignment.strip()
98 equalPos = assignment.find("=")
100 variable = assignment[:equalPos].strip()
101 value = assignment[equalPos + 1:].strip()
102 if value.startswith("\"") and value.endswith("\""):
104 values[variable] = value
106 return values.get("depot-path"), values.get("change")
108 def gitBranchExists(branch):
109 proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE);
110 return proc.wait() == 0;
114 self.usage = "usage: %prog [options]"
117 class P4Debug(Command):
119 Command.__init__(self)
122 self.description = "A tool to debug the output of p4 -G."
123 self.needsGit = False
126 for output in p4CmdList(" ".join(args)):
130 class P4Submit(Command):
132 Command.__init__(self)
134 optparse.make_option("--continue", action="store_false", dest="firstTime"),
135 optparse.make_option("--origin", dest="origin"),
136 optparse.make_option("--reset", action="store_true", dest="reset"),
137 optparse.make_option("--log-substitutions", dest="substFile"),
138 optparse.make_option("--noninteractive", action="store_false"),
139 optparse.make_option("--dry-run", action="store_true"),
141 self.description = "Submit changes from git to the perforce depot."
142 self.usage += " [name of git branch to submit into perforce depot]"
143 self.firstTime = True
145 self.interactive = True
148 self.firstTime = True
151 self.logSubstitutions = {}
152 self.logSubstitutions["<enter description here>"] = "%log%"
153 self.logSubstitutions["\tDetails:"] = "\tDetails: %log%"
156 if len(p4CmdList("opened ...")) > 0:
157 die("You have files opened with perforce! Close them before starting the sync.")
160 if len(self.config) > 0 and not self.reset:
161 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)
164 for line in mypopen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
165 commits.append(line[:-1])
168 self.config["commits"] = commits
170 def prepareLogMessage(self, template, message):
173 for line in template.split("\n"):
174 if line.startswith("#"):
175 result += line + "\n"
179 for key in self.logSubstitutions.keys():
180 if line.find(key) != -1:
181 value = self.logSubstitutions[key]
182 value = value.replace("%log%", message)
183 if value != "@remove@":
184 result += line.replace(key, value) + "\n"
189 result += line + "\n"
194 print "Applying %s" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
195 diff = mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
197 filesToDelete = set()
201 path = line[1:].strip()
203 system("p4 edit \"%s\"" % path)
204 editedFiles.add(path)
205 elif modifier == "A":
207 if path in filesToDelete:
208 filesToDelete.remove(path)
209 elif modifier == "D":
210 filesToDelete.add(path)
211 if path in filesToAdd:
212 filesToAdd.remove(path)
214 die("unknown modifier %s for %s" % (modifier, path))
216 diffcmd = "git diff-tree -p --diff-filter=ACMRTUXB \"%s^\" \"%s\"" % (id, id)
217 patchcmd = diffcmd + " | patch -p1"
219 if os.system(patchcmd + " --dry-run --silent") != 0:
220 print "Unfortunately applying the change failed!"
221 print "What do you want to do?"
223 while response != "s" and response != "a" and response != "w":
224 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) ")
226 print "Skipping! Good luck with the next patches..."
228 elif response == "a":
230 if len(filesToAdd) > 0:
231 print "You may also want to call p4 add on the following files:"
232 print " ".join(filesToAdd)
233 if len(filesToDelete):
234 print "The following files should be scheduled for deletion with p4 delete:"
235 print " ".join(filesToDelete)
236 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
237 elif response == "w":
238 system(diffcmd + " > patch.txt")
239 print "Patch saved to patch.txt in %s !" % self.clientPath
240 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
245 system("p4 add %s" % f)
246 for f in filesToDelete:
247 system("p4 revert %s" % f)
248 system("p4 delete %s" % f)
250 logMessage = extractLogMessageFromGitCommit(id)
251 logMessage = logMessage.replace("\n", "\n\t")
252 logMessage = logMessage[:-1]
254 template = mypopen("p4 change -o").read()
257 submitTemplate = self.prepareLogMessage(template, logMessage)
258 diff = mypopen("p4 diff -du ...").read()
260 for newFile in filesToAdd:
261 diff += "==== new file ====\n"
262 diff += "--- /dev/null\n"
263 diff += "+++ %s\n" % newFile
264 f = open(newFile, "r")
265 for line in f.readlines():
269 separatorLine = "######## everything below this line is just the diff #######"
270 if platform.system() == "Windows":
271 separatorLine += "\r"
272 separatorLine += "\n"
275 firstIteration = True
276 while response == "e":
277 if not firstIteration:
278 response = raw_input("Do you want to submit this change? [y]es/[e]dit/[n]o/[s]kip ")
279 firstIteration = False
281 [handle, fileName] = tempfile.mkstemp()
282 tmpFile = os.fdopen(handle, "w+")
283 tmpFile.write(submitTemplate + separatorLine + diff)
286 if platform.system() == "Windows":
287 defaultEditor = "notepad"
288 editor = os.environ.get("EDITOR", defaultEditor);
289 system(editor + " " + fileName)
290 tmpFile = open(fileName, "rb")
291 message = tmpFile.read()
294 submitTemplate = message[:message.index(separatorLine)]
296 if response == "y" or response == "yes":
299 raw_input("Press return to continue...")
301 pipe = os.popen("p4 submit -i", "wb")
302 pipe.write(submitTemplate)
304 elif response == "s":
305 for f in editedFiles:
306 system("p4 revert \"%s\"" % f);
308 system("p4 revert \"%s\"" % f);
310 for f in filesToDelete:
311 system("p4 delete \"%s\"" % f);
314 print "Not submitting!"
315 self.interactive = False
317 fileName = "submit.txt"
318 file = open(fileName, "w+")
319 file.write(self.prepareLogMessage(template, logMessage))
321 print "Perforce submit template written as %s. Please review/edit and then use p4 submit -i < %s to submit directly!" % (fileName, fileName)
325 # make gitdir absolute so we can cd out into the perforce checkout
326 gitdir = os.path.abspath(gitdir)
327 os.environ["GIT_DIR"] = gitdir
330 self.master = currentGitBranch()
331 if len(self.master) == 0 or not os.path.exists("%s/refs/heads/%s" % (gitdir, self.master)):
332 die("Detecting current git branch failed!")
334 self.master = args[0]
339 if gitBranchExists("p4"):
340 [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
341 if len(depotPath) == 0 and gitBranchExists("origin"):
342 [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
344 if len(depotPath) == 0:
345 print "Internal error: cannot locate perforce depot path from existing branches"
348 self.clientPath = p4Where(depotPath)
350 if len(self.clientPath) == 0:
351 print "Error: Cannot locate perforce checkout of %s in client view" % depotPath
354 print "Perforce checkout for depot path %s located at %s" % (depotPath, self.clientPath)
355 oldWorkingDirectory = os.getcwd()
356 os.chdir(self.clientPath)
357 response = raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self.clientPath)
358 if response == "y" or response == "yes":
359 system("p4 sync ...")
361 if len(self.origin) == 0:
362 if gitBranchExists("p4"):
365 self.origin = "origin"
368 self.firstTime = True
370 if len(self.substFile) > 0:
371 for line in open(self.substFile, "r").readlines():
372 tokens = line[:-1].split("=")
373 self.logSubstitutions[tokens[0]] = tokens[1]
376 self.configFile = gitdir + "/p4-git-sync.cfg"
377 self.config = shelve.open(self.configFile, writeback=True)
382 commits = self.config.get("commits", [])
384 while len(commits) > 0:
385 self.firstTime = False
387 commits = commits[1:]
388 self.config["commits"] = commits
390 if not self.interactive:
395 if len(commits) == 0:
397 print "No changes found to apply between %s and current HEAD" % self.origin
399 print "All changes applied!"
400 response = raw_input("Do you want to sync from Perforce now using git-p4 rebase? [y]es/[n]o ")
401 if response == "y" or response == "yes":
402 os.chdir(oldWorkingDirectory)
405 os.remove(self.configFile)
409 class P4Sync(Command):
411 Command.__init__(self)
413 optparse.make_option("--branch", dest="branch"),
414 optparse.make_option("--detect-branches", dest="detectBranches", action="store_true"),
415 optparse.make_option("--changesfile", dest="changesFile"),
416 optparse.make_option("--silent", dest="silent", action="store_true"),
417 optparse.make_option("--detect-labels", dest="detectLabels", action="store_true"),
418 optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true"),
419 optparse.make_option("--verbose", dest="verbose", action="store_true")
421 self.description = """Imports from Perforce into a git repository.\n
423 //depot/my/project/ -- to import the current head
424 //depot/my/project/@all -- to import everything
425 //depot/my/project/@1,6 -- to import only from revision 1 to 6
427 (a ... is not needed in the path p4 specification, it's added implicitly)"""
429 self.usage += " //depot/path[@revRange]"
432 self.createdBranches = Set()
433 self.committedChanges = Set()
435 self.detectBranches = False
436 self.detectLabels = False
437 self.changesFile = ""
438 self.syncWithOrigin = False
441 def p4File(self, depotPath):
442 return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
444 def extractFilesFromCommit(self, commit):
447 while commit.has_key("depotFile%s" % fnum):
448 path = commit["depotFile%s" % fnum]
449 if not path.startswith(self.depotPath):
450 # if not self.silent:
451 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
457 file["rev"] = commit["rev%s" % fnum]
458 file["action"] = commit["action%s" % fnum]
459 file["type"] = commit["type%s" % fnum]
464 def splitFilesIntoBranches(self, commit):
468 while commit.has_key("depotFile%s" % fnum):
469 path = commit["depotFile%s" % fnum]
470 if not path.startswith(self.depotPath):
471 # if not self.silent:
472 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
478 file["rev"] = commit["rev%s" % fnum]
479 file["action"] = commit["action%s" % fnum]
480 file["type"] = commit["type%s" % fnum]
483 relPath = path[len(self.depotPath):]
485 for branch in self.knownBranches.keys():
486 if relPath.startswith(branch):
487 if branch not in branches:
488 branches[branch] = []
489 branches[branch].append(file)
493 def commit(self, details, files, branch, branchPrefix, parent = ""):
494 epoch = details["time"]
495 author = details["user"]
498 print "commit into %s" % branch
500 self.gitStream.write("commit %s\n" % branch)
501 # gitStream.write("mark :%s\n" % details["change"])
502 self.committedChanges.add(int(details["change"]))
504 if author not in self.users:
505 self.getUserMapFromPerforceServer()
506 if author in self.users:
507 committer = "%s %s %s" % (self.users[author], epoch, self.tz)
509 committer = "%s <a@b> %s %s" % (author, epoch, self.tz)
511 self.gitStream.write("committer %s\n" % committer)
513 self.gitStream.write("data <<EOT\n")
514 self.gitStream.write(details["desc"])
515 self.gitStream.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix, details["change"]))
516 self.gitStream.write("EOT\n\n")
520 print "parent %s" % parent
521 self.gitStream.write("from %s\n" % parent)
525 if not path.startswith(branchPrefix):
527 # print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
530 depotPath = path + "#" + rev
531 relPath = path[len(branchPrefix):]
532 action = file["action"]
534 if file["type"] == "apple":
535 print "\nfile %s is a strange apple file that forks. Ignoring!" % path
538 if action == "delete":
539 self.gitStream.write("D %s\n" % relPath)
542 if file["type"].startswith("x"):
545 data = self.p4File(depotPath)
547 self.gitStream.write("M %s inline %s\n" % (mode, relPath))
548 self.gitStream.write("data %s\n" % len(data))
549 self.gitStream.write(data)
550 self.gitStream.write("\n")
552 self.gitStream.write("\n")
554 change = int(details["change"])
556 if self.labels.has_key(change):
557 label = self.labels[change]
558 labelDetails = label[0]
559 labelRevisions = label[1]
561 print "Change %s is labelled %s" % (change, labelDetails)
563 files = p4CmdList("files %s...@%s" % (branchPrefix, change))
565 if len(files) == len(labelRevisions):
569 if info["action"] == "delete":
571 cleanedFiles[info["depotFile"]] = info["rev"]
573 if cleanedFiles == labelRevisions:
574 self.gitStream.write("tag tag_%s\n" % labelDetails["label"])
575 self.gitStream.write("from %s\n" % branch)
577 owner = labelDetails["Owner"]
579 if author in self.users:
580 tagger = "%s %s %s" % (self.users[owner], epoch, self.tz)
582 tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz)
583 self.gitStream.write("tagger %s\n" % tagger)
584 self.gitStream.write("data <<EOT\n")
585 self.gitStream.write(labelDetails["Description"])
586 self.gitStream.write("EOT\n\n")
590 print "Tag %s does not match with change %s: files do not match." % (labelDetails["label"], change)
594 print "Tag %s does not match with change %s: file count is different." % (labelDetails["label"], change)
596 def getUserMapFromPerforceServer(self):
599 for output in p4CmdList("users"):
600 if not output.has_key("User"):
602 self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
604 cache = open(gitdir + "/p4-usercache.txt", "wb")
605 for user in self.users.keys():
606 cache.write("%s\t%s\n" % (user, self.users[user]))
609 def loadUserMapFromCache(self):
612 cache = open(gitdir + "/p4-usercache.txt", "rb")
613 lines = cache.readlines()
616 entry = line[:-1].split("\t")
617 self.users[entry[0]] = entry[1]
619 self.getUserMapFromPerforceServer()
624 l = p4CmdList("labels %s..." % self.depotPath)
625 if len(l) > 0 and not self.silent:
626 print "Finding files belonging to labels in %s" % self.depotPath
629 label = output["label"]
633 print "Querying files for label %s" % label
634 for file in p4CmdList("files %s...@%s" % (self.depotPath, label)):
635 revisions[file["depotFile"]] = file["rev"]
636 change = int(file["change"])
637 if change > newestChange:
638 newestChange = change
640 self.labels[newestChange] = [output, revisions]
643 print "Label changes: %s" % self.labels.keys()
645 def getBranchMapping(self):
646 self.projectName = self.depotPath[self.depotPath[:-1].rfind("/") + 1:]
648 for info in p4CmdList("branches"):
649 details = p4Cmd("branch -o %s" % info["branch"])
651 while details.has_key("View%s" % viewIdx):
652 paths = details["View%s" % viewIdx].split(" ")
653 viewIdx = viewIdx + 1
654 # require standard //depot/foo/... //depot/bar/... mapping
655 if len(paths) != 2 or not paths[0].endswith("/...") or not paths[1].endswith("/..."):
658 destination = paths[1]
659 if source.startswith(self.depotPath) and destination.startswith(self.depotPath):
660 source = source[len(self.depotPath):-4]
661 destination = destination[len(self.depotPath):-4]
662 if destination not in self.knownBranches:
663 self.knownBranches[destination] = source
664 if source not in self.knownBranches:
665 self.knownBranches[source] = source
667 def listExistingP4GitBranches(self):
668 self.p4BranchesInGit = []
670 for line in mypopen("git rev-parse --symbolic --remotes").readlines():
671 if line.startswith("p4/") and line != "p4/HEAD\n":
673 self.p4BranchesInGit.append(branch)
674 self.initialParents["refs/remotes/p4/" + branch] = parseRevision(line[:-1])
678 self.changeRange = ""
679 self.initialParent = ""
680 self.previousDepotPath = ""
681 # map from branch depot path to parent branch
682 self.knownBranches = {}
683 self.initialParents = {}
685 self.listExistingP4GitBranches()
687 if self.syncWithOrigin and gitBranchExists("origin") and gitBranchExists("refs/remotes/p4/master") and not self.detectBranches:
688 ### needs to be ported to multi branch import
690 print "Syncing with origin first as requested by calling git fetch origin"
691 system("git fetch origin")
692 [originPreviousDepotPath, originP4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
693 [p4PreviousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
694 if len(originPreviousDepotPath) > 0 and len(originP4Change) > 0 and len(p4Change) > 0:
695 if originPreviousDepotPath == p4PreviousDepotPath:
696 originP4Change = int(originP4Change)
697 p4Change = int(p4Change)
698 if originP4Change > p4Change:
699 print "origin (%s) is newer than p4 (%s). Updating p4 branch from origin." % (originP4Change, p4Change)
700 system("git update-ref refs/remotes/p4/master origin");
702 print "Cannot sync with origin. It was imported from %s while remotes/p4 was imported from %s" % (originPreviousDepotPath, p4PreviousDepotPath)
704 if len(self.branch) == 0:
705 self.branch = "refs/remotes/p4/master"
706 if gitBranchExists("refs/heads/p4"):
707 system("git update-ref %s refs/heads/p4" % self.branch)
708 system("git branch -D p4");
709 if not gitBranchExists("refs/remotes/p4/HEAD"):
710 system("git symbolic-ref refs/remotes/p4/HEAD %s" % self.branch)
713 if not gitBranchExists(self.branch) and gitBranchExists("origin") and not self.detectBranches:
714 ### needs to be ported to multi branch import
716 print "Creating %s branch in git repository based on origin" % self.branch
718 if not branch.startswith("refs"):
719 branch = "refs/heads/" + branch
720 system("git update-ref %s origin" % branch)
723 print "branches: %s" % self.p4BranchesInGit
726 for branch in self.p4BranchesInGit:
727 depotPath, change = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("refs/remotes/p4/" + branch))
730 print "path %s change %s" % (depotPath, change)
732 if len(depotPath) > 0 and len(change) > 0:
733 change = int(change) + 1
734 p4Change = max(p4Change, change)
736 if len(self.previousDepotPath) == 0:
737 self.previousDepotPath = depotPath
740 l = min(len(self.previousDepotPath), len(depotPath))
741 while i < l and self.previousDepotPath[i] == depotPath[i]:
743 self.previousDepotPath = self.previousDepotPath[:i]
746 self.depotPath = self.previousDepotPath
747 self.changeRange = "@%s,#head" % p4Change
748 self.initialParent = parseRevision(self.branch)
750 print "Performing incremental import into %s git branch" % self.branch
752 if not self.branch.startswith("refs/"):
753 self.branch = "refs/heads/" + self.branch
755 if len(self.depotPath) != 0:
756 self.depotPath = self.depotPath[:-1]
758 if len(args) == 0 and len(self.depotPath) != 0:
760 print "Depot path: %s" % self.depotPath
764 if len(self.depotPath) != 0 and self.depotPath != args[0]:
765 print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self.depotPath, args[0])
767 self.depotPath = args[0]
772 if self.depotPath.find("@") != -1:
773 atIdx = self.depotPath.index("@")
774 self.changeRange = self.depotPath[atIdx:]
775 if self.changeRange == "@all":
776 self.changeRange = ""
777 elif self.changeRange.find(",") == -1:
778 self.revision = self.changeRange
779 self.changeRange = ""
780 self.depotPath = self.depotPath[0:atIdx]
781 elif self.depotPath.find("#") != -1:
782 hashIdx = self.depotPath.index("#")
783 self.revision = self.depotPath[hashIdx:]
784 self.depotPath = self.depotPath[0:hashIdx]
785 elif len(self.previousDepotPath) == 0:
786 self.revision = "#head"
788 if self.depotPath.endswith("..."):
789 self.depotPath = self.depotPath[:-3]
791 if not self.depotPath.endswith("/"):
792 self.depotPath += "/"
794 self.loadUserMapFromCache()
796 if self.detectLabels:
799 if self.detectBranches:
800 self.getBranchMapping();
802 print "p4-git branches: %s" % self.p4BranchesInGit
803 print "initial parents: %s" % self.initialParents
804 for b in self.p4BranchesInGit:
806 b = b[len(self.projectName):]
807 self.createdBranches.add(b)
809 self.tz = "%+03d%02d" % (- time.timezone / 3600, ((- time.timezone % 3600) / 60))
811 importProcess = subprocess.Popen(["git", "fast-import"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE);
812 self.gitOutput = importProcess.stdout
813 self.gitStream = importProcess.stdin
814 self.gitError = importProcess.stderr
816 if len(self.revision) > 0:
817 print "Doing initial import of %s from revision %s" % (self.depotPath, self.revision)
819 details = { "user" : "git perforce import user", "time" : int(time.time()) }
820 details["desc"] = "Initial import of %s from the state at revision %s" % (self.depotPath, self.revision)
821 details["change"] = self.revision
825 for info in p4CmdList("files %s...%s" % (self.depotPath, self.revision)):
826 change = int(info["change"])
827 if change > newestRevision:
828 newestRevision = change
830 if info["action"] == "delete":
831 # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
832 #fileCnt = fileCnt + 1
835 for prop in [ "depotFile", "rev", "action", "type" ]:
836 details["%s%s" % (prop, fileCnt)] = info[prop]
838 fileCnt = fileCnt + 1
840 details["change"] = newestRevision
843 self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPath)
845 print "IO error with git fast-import. Is your git version recent enough?"
846 print self.gitError.read()
851 if len(self.changesFile) > 0:
852 output = open(self.changesFile).readlines()
855 changeSet.add(int(line))
857 for change in changeSet:
858 changes.append(change)
863 print "Getting p4 changes for %s...%s" % (self.depotPath, self.changeRange)
864 output = mypopen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines()
867 changeNum = line.split(" ")[1]
868 changes.append(changeNum)
872 if len(changes) == 0:
874 print "no changes to import!"
878 for change in changes:
879 description = p4Cmd("describe %s" % change)
882 sys.stdout.write("\rimporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
887 if self.detectBranches:
888 branches = self.splitFilesIntoBranches(description)
889 for branch in branches.keys():
890 branchPrefix = self.depotPath + branch + "/"
894 filesForCommit = branches[branch]
897 print "branch is %s" % branch
899 if branch not in self.createdBranches:
900 self.createdBranches.add(branch)
901 parent = self.knownBranches[branch]
905 print "parent determined through known branches: %s" % parent
907 # main branch? use master
911 branch = self.projectName + branch
915 elif len(parent) > 0:
916 parent = self.projectName + parent
918 branch = "refs/remotes/p4/" + branch
920 parent = "refs/remotes/p4/" + parent
923 print "looking for initial parent for %s; current parent is %s" % (branch, parent)
925 if len(parent) == 0 and branch in self.initialParents:
926 parent = self.initialParents[branch]
927 del self.initialParents[branch]
929 self.commit(description, filesForCommit, branch, branchPrefix, parent)
931 files = self.extractFilesFromCommit(description)
932 self.commit(description, files, self.branch, self.depotPath, self.initialParent)
933 self.initialParent = ""
935 print self.gitError.read()
942 self.gitStream.close()
943 if importProcess.wait() != 0:
944 die("fast-import failed: %s" % self.gitError.read())
945 self.gitOutput.close()
946 self.gitError.close()
950 class P4Rebase(Command):
952 Command.__init__(self)
953 self.options = [ optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true") ]
954 self.description = "Fetches the latest revision from perforce and rebases the current work (branch) against it"
955 self.syncWithOrigin = False
959 sync.syncWithOrigin = self.syncWithOrigin
961 print "Rebasing the current branch"
962 oldHead = mypopen("git rev-parse HEAD").read()[:-1]
963 system("git rebase p4")
964 system("git diff-tree --stat --summary -M %s HEAD" % oldHead)
967 class P4Clone(P4Sync):
969 P4Sync.__init__(self)
970 self.description = "Creates a new git repository and imports from Perforce into it"
971 self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]"
972 self.needsGit = False
984 if not depotPath.startswith("//"):
989 atPos = dir.rfind("@")
992 hashPos = dir.rfind("#")
996 if dir.endswith("..."):
999 if dir.endswith("/"):
1002 slashPos = dir.rfind("/")
1004 dir = dir[slashPos + 1:]
1006 print "Importing from %s into %s" % (depotPath, dir)
1010 if not P4Sync.run(self, [depotPath]):
1012 if self.branch != "master":
1013 if gitBranchExists("refs/remotes/p4/master"):
1014 system("git branch master refs/remotes/p4/master")
1015 system("git checkout -f")
1017 print "Could not detect main branch. No checkout/master branch created."
1020 class HelpFormatter(optparse.IndentedHelpFormatter):
1022 optparse.IndentedHelpFormatter.__init__(self)
1024 def format_description(self, description):
1026 return description + "\n"
1030 def printUsage(commands):
1031 print "usage: %s <command> [options]" % sys.argv[0]
1033 print "valid commands: %s" % ", ".join(commands)
1035 print "Try %s <command> --help for command specific help." % sys.argv[0]
1039 "debug" : P4Debug(),
1040 "submit" : P4Submit(),
1042 "rebase" : P4Rebase(),
1046 if len(sys.argv[1:]) == 0:
1047 printUsage(commands.keys())
1051 cmdName = sys.argv[1]
1053 cmd = commands[cmdName]
1055 print "unknown command %s" % cmdName
1057 printUsage(commands.keys())
1060 options = cmd.options
1065 if len(options) > 0:
1066 options.append(optparse.make_option("--git-dir", dest="gitdir"))
1068 parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName),
1070 description = cmd.description,
1071 formatter = HelpFormatter())
1073 (cmd, args) = parser.parse_args(sys.argv[2:], cmd);
1077 if len(gitdir) == 0:
1079 if not isValidGitDir(gitdir):
1080 gitdir = mypopen("git rev-parse --git-dir").read()[:-1]
1081 if os.path.exists(gitdir):
1082 cdup = mypopen("git rev-parse --show-cdup").read()[:-1];
1086 if not isValidGitDir(gitdir):
1087 if isValidGitDir(gitdir + "/.git"):
1090 die("fatal: cannot locate git repository at %s" % gitdir)
1092 os.environ["GIT_DIR"] = gitdir
1094 if not cmd.run(args):