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>
10 # TODO: * Consider making --with-origin the default, assuming that the git
11 # protocol is always more efficient. (needs manual testing first :)
14 import optparse
, sys
, os
, marshal
, popen2
, subprocess
, shelve
15 import tempfile
, getopt
, sha
, os
.path
, time
, platform
18 gitdir
= os
.environ
.get("GIT_DIR", "")
21 return os
.popen(command
, "rb");
24 cmd
= "p4 -G %s" % cmd
25 pipe
= os
.popen(cmd
, "rb")
30 entry
= marshal
.load(pipe
)
45 def p4Where(depotPath
):
46 if not depotPath
.endswith("/"):
48 output
= p4Cmd("where %s..." % depotPath
)
49 if output
["code"] == "error":
53 clientPath
= output
.get("path")
54 elif "data" in output
:
55 data
= output
.get("data")
56 lastSpace
= data
.rfind(" ")
57 clientPath
= data
[lastSpace
+ 1:]
59 if clientPath
.endswith("..."):
60 clientPath
= clientPath
[:-3]
64 sys
.stderr
.write(msg
+ "\n")
67 def currentGitBranch():
68 return mypopen("git name-rev HEAD").read().split(" ")[1][:-1]
70 def isValidGitDir(path
):
71 if os
.path
.exists(path
+ "/HEAD") and os
.path
.exists(path
+ "/refs") and os
.path
.exists(path
+ "/objects"):
75 def parseRevision(ref
):
76 return mypopen("git rev-parse %s" % ref
).read()[:-1]
79 if os
.system(cmd
) != 0:
80 die("command failed: %s" % cmd
)
82 def extractLogMessageFromGitCommit(commit
):
85 for log
in mypopen("git cat-file commit %s" % commit
).readlines():
94 def extractDepotPathAndChangeFromGitLog(log
):
96 for line
in log
.split("\n"):
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()
103 equalPos
= assignment
.find("=")
105 variable
= assignment
[:equalPos
].strip()
106 value
= assignment
[equalPos
+ 1:].strip()
107 if value
.startswith("\"") and value
.endswith("\""):
109 values
[variable
] = value
111 return values
.get("depot-path"), values
.get("change")
113 def gitBranchExists(branch
):
114 proc
= subprocess
.Popen(["git", "rev-parse", branch
], stderr
=subprocess
.PIPE
, stdout
=subprocess
.PIPE
);
115 return proc
.wait() == 0;
119 self
.usage
= "usage: %prog [options]"
122 class P4Debug(Command
):
124 Command
.__init
__(self
)
127 self
.description
= "A tool to debug the output of p4 -G."
128 self
.needsGit
= False
131 for output
in p4CmdList(" ".join(args
)):
135 class P4RollBack(Command
):
137 Command
.__init
__(self
)
139 optparse
.make_option("--verbose", dest
="verbose", action
="store_true"),
140 optparse
.make_option("--local", dest
="rollbackLocalBranches", action
="store_true")
142 self
.description
= "A tool to debug the multi-branch import. Don't use :)"
144 self
.rollbackLocalBranches
= False
149 maxChange
= int(args
[0])
151 if self
.rollbackLocalBranches
:
152 refPrefix
= "refs/heads/"
153 lines
= mypopen("git rev-parse --symbolic --branches").readlines()
155 refPrefix
= "refs/remotes/"
156 lines
= mypopen("git rev-parse --symbolic --remotes").readlines()
159 if self
.rollbackLocalBranches
or (line
.startswith("p4/") and line
!= "p4/HEAD\n"):
160 ref
= refPrefix
+ line
[:-1]
161 log
= extractLogMessageFromGitCommit(ref
)
162 depotPath
, change
= extractDepotPathAndChangeFromGitLog(log
)
165 if len(p4Cmd("changes -m 1 %s...@%s" % (depotPath
, maxChange
))) == 0:
166 print "Branch %s did not exist at change %s, deleting." % (ref
, maxChange
)
167 system("git update-ref -d %s `git rev-parse %s`" % (ref
, ref
))
170 while len(change
) > 0 and int(change
) > maxChange
:
173 print "%s is at %s ; rewinding towards %s" % (ref
, change
, maxChange
)
174 system("git update-ref %s \"%s^\"" % (ref
, ref
))
175 log
= extractLogMessageFromGitCommit(ref
)
176 depotPath
, change
= extractDepotPathAndChangeFromGitLog(log
)
179 print "%s rewound to %s" % (ref
, change
)
183 class P4Submit(Command
):
185 Command
.__init
__(self
)
187 optparse
.make_option("--continue", action
="store_false", dest
="firstTime"),
188 optparse
.make_option("--origin", dest
="origin"),
189 optparse
.make_option("--reset", action
="store_true", dest
="reset"),
190 optparse
.make_option("--log-substitutions", dest
="substFile"),
191 optparse
.make_option("--noninteractive", action
="store_false"),
192 optparse
.make_option("--dry-run", action
="store_true"),
193 optparse
.make_option("--direct", dest
="directSubmit", action
="store_true"),
195 self
.description
= "Submit changes from git to the perforce depot."
196 self
.usage
+= " [name of git branch to submit into perforce depot]"
197 self
.firstTime
= True
199 self
.interactive
= True
202 self
.firstTime
= True
204 self
.directSubmit
= False
206 self
.logSubstitutions
= {}
207 self
.logSubstitutions
["<enter description here>"] = "%log%"
208 self
.logSubstitutions
["\tDetails:"] = "\tDetails: %log%"
211 if len(p4CmdList("opened ...")) > 0:
212 die("You have files opened with perforce! Close them before starting the sync.")
215 if len(self
.config
) > 0 and not self
.reset
:
216 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
)
219 if self
.directSubmit
:
222 for line
in mypopen("git rev-list --no-merges %s..%s" % (self
.origin
, self
.master
)).readlines():
223 commits
.append(line
[:-1])
226 self
.config
["commits"] = commits
228 def prepareLogMessage(self
, template
, message
):
231 for line
in template
.split("\n"):
232 if line
.startswith("#"):
233 result
+= line
+ "\n"
237 for key
in self
.logSubstitutions
.keys():
238 if line
.find(key
) != -1:
239 value
= self
.logSubstitutions
[key
]
240 value
= value
.replace("%log%", message
)
241 if value
!= "@remove@":
242 result
+= line
.replace(key
, value
) + "\n"
247 result
+= line
+ "\n"
252 if self
.directSubmit
:
253 print "Applying local change in working directory/index"
254 diff
= self
.diffStatus
256 print "Applying %s" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
257 diff
= mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
259 filesToDelete
= set()
263 path
= line
[1:].strip()
265 system("p4 edit \"%s\"" % path
)
266 editedFiles
.add(path
)
267 elif modifier
== "A":
269 if path
in filesToDelete
:
270 filesToDelete
.remove(path
)
271 elif modifier
== "D":
272 filesToDelete
.add(path
)
273 if path
in filesToAdd
:
274 filesToAdd
.remove(path
)
276 die("unknown modifier %s for %s" % (modifier
, path
))
278 if self
.directSubmit
:
279 diffcmd
= "cat \"%s\"" % self
.diffFile
281 diffcmd
= "git format-patch -k --stdout \"%s^\"..\"%s\"" % (id, id)
282 patchcmd
= diffcmd
+ " | git apply "
283 tryPatchCmd
= patchcmd
+ "--check -"
284 applyPatchCmd
= patchcmd
+ "--check --apply -"
286 if os
.system(tryPatchCmd
) != 0:
287 print "Unfortunately applying the change failed!"
288 print "What do you want to do?"
290 while response
!= "s" and response
!= "a" and response
!= "w":
291 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) ")
293 print "Skipping! Good luck with the next patches..."
295 elif response
== "a":
296 os
.system(applyPatchCmd
)
297 if len(filesToAdd
) > 0:
298 print "You may also want to call p4 add on the following files:"
299 print " ".join(filesToAdd
)
300 if len(filesToDelete
):
301 print "The following files should be scheduled for deletion with p4 delete:"
302 print " ".join(filesToDelete
)
303 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
304 elif response
== "w":
305 system(diffcmd
+ " > patch.txt")
306 print "Patch saved to patch.txt in %s !" % self
.clientPath
307 die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
309 system(applyPatchCmd
)
312 system("p4 add %s" % f
)
313 for f
in filesToDelete
:
314 system("p4 revert %s" % f
)
315 system("p4 delete %s" % f
)
318 if not self
.directSubmit
:
319 logMessage
= extractLogMessageFromGitCommit(id)
320 logMessage
= logMessage
.replace("\n", "\n\t")
321 logMessage
= logMessage
[:-1]
323 template
= mypopen("p4 change -o").read()
326 submitTemplate
= self
.prepareLogMessage(template
, logMessage
)
327 diff
= mypopen("p4 diff -du ...").read()
329 for newFile
in filesToAdd
:
330 diff
+= "==== new file ====\n"
331 diff
+= "--- /dev/null\n"
332 diff
+= "+++ %s\n" % newFile
333 f
= open(newFile
, "r")
334 for line
in f
.readlines():
338 separatorLine
= "######## everything below this line is just the diff #######"
339 if platform
.system() == "Windows":
340 separatorLine
+= "\r"
341 separatorLine
+= "\n"
344 firstIteration
= True
345 while response
== "e":
346 if not firstIteration
:
347 response
= raw_input("Do you want to submit this change? [y]es/[e]dit/[n]o/[s]kip ")
348 firstIteration
= False
350 [handle
, fileName
] = tempfile
.mkstemp()
351 tmpFile
= os
.fdopen(handle
, "w+")
352 tmpFile
.write(submitTemplate
+ separatorLine
+ diff
)
355 if platform
.system() == "Windows":
356 defaultEditor
= "notepad"
357 editor
= os
.environ
.get("EDITOR", defaultEditor
);
358 system(editor
+ " " + fileName
)
359 tmpFile
= open(fileName
, "rb")
360 message
= tmpFile
.read()
363 submitTemplate
= message
[:message
.index(separatorLine
)]
365 if response
== "y" or response
== "yes":
368 raw_input("Press return to continue...")
370 if self
.directSubmit
:
371 print "Submitting to git first"
372 os
.chdir(self
.oldWorkingDirectory
)
373 pipe
= os
.popen("git commit -a -F -", "wb")
374 pipe
.write(submitTemplate
)
376 os
.chdir(self
.clientPath
)
378 pipe
= os
.popen("p4 submit -i", "wb")
379 pipe
.write(submitTemplate
)
381 elif response
== "s":
382 for f
in editedFiles
:
383 system("p4 revert \"%s\"" % f
);
385 system("p4 revert \"%s\"" % f
);
387 for f
in filesToDelete
:
388 system("p4 delete \"%s\"" % f
);
391 print "Not submitting!"
392 self
.interactive
= False
394 fileName
= "submit.txt"
395 file = open(fileName
, "w+")
396 file.write(self
.prepareLogMessage(template
, logMessage
))
398 print "Perforce submit template written as %s. Please review/edit and then use p4 submit -i < %s to submit directly!" % (fileName
, fileName
)
402 # make gitdir absolute so we can cd out into the perforce checkout
403 gitdir
= os
.path
.abspath(gitdir
)
404 os
.environ
["GIT_DIR"] = gitdir
407 self
.master
= currentGitBranch()
408 if len(self
.master
) == 0 or not os
.path
.exists("%s/refs/heads/%s" % (gitdir
, self
.master
)):
409 die("Detecting current git branch failed!")
411 self
.master
= args
[0]
416 if gitBranchExists("p4"):
417 [depotPath
, dummy
] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
418 if len(depotPath
) == 0 and gitBranchExists("origin"):
419 [depotPath
, dummy
] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
421 if len(depotPath
) == 0:
422 print "Internal error: cannot locate perforce depot path from existing branches"
425 self
.clientPath
= p4Where(depotPath
)
427 if len(self
.clientPath
) == 0:
428 print "Error: Cannot locate perforce checkout of %s in client view" % depotPath
431 print "Perforce checkout for depot path %s located at %s" % (depotPath
, self
.clientPath
)
432 self
.oldWorkingDirectory
= os
.getcwd()
434 if self
.directSubmit
:
435 self
.diffStatus
= mypopen("git diff -r --name-status HEAD").readlines()
436 if len(self
.diffStatus
) == 0:
437 print "No changes in working directory to submit."
439 patch
= mypopen("git diff -p --binary --diff-filter=ACMRTUXB HEAD").read()
440 self
.diffFile
= gitdir
+ "/p4-git-diff"
441 f
= open(self
.diffFile
, "wb")
445 os
.chdir(self
.clientPath
)
446 response
= raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self
.clientPath
)
447 if response
== "y" or response
== "yes":
448 system("p4 sync ...")
450 if len(self
.origin
) == 0:
451 if gitBranchExists("p4"):
454 self
.origin
= "origin"
457 self
.firstTime
= True
459 if len(self
.substFile
) > 0:
460 for line
in open(self
.substFile
, "r").readlines():
461 tokens
= line
[:-1].split("=")
462 self
.logSubstitutions
[tokens
[0]] = tokens
[1]
465 self
.configFile
= gitdir
+ "/p4-git-sync.cfg"
466 self
.config
= shelve
.open(self
.configFile
, writeback
=True)
471 commits
= self
.config
.get("commits", [])
473 while len(commits
) > 0:
474 self
.firstTime
= False
476 commits
= commits
[1:]
477 self
.config
["commits"] = commits
479 if not self
.interactive
:
484 if self
.directSubmit
:
485 os
.remove(self
.diffFile
)
487 if len(commits
) == 0:
489 print "No changes found to apply between %s and current HEAD" % self
.origin
491 print "All changes applied!"
492 os
.chdir(self
.oldWorkingDirectory
)
493 response
= raw_input("Do you want to sync from Perforce now using git-p4 rebase? [y]es/[n]o ")
494 if response
== "y" or response
== "yes":
497 os
.remove(self
.configFile
)
501 class P4Sync(Command
):
503 Command
.__init
__(self
)
505 optparse
.make_option("--branch", dest
="branch"),
506 optparse
.make_option("--detect-branches", dest
="detectBranches", action
="store_true"),
507 optparse
.make_option("--changesfile", dest
="changesFile"),
508 optparse
.make_option("--silent", dest
="silent", action
="store_true"),
509 optparse
.make_option("--detect-labels", dest
="detectLabels", action
="store_true"),
510 optparse
.make_option("--with-origin", dest
="syncWithOrigin", action
="store_true"),
511 optparse
.make_option("--verbose", dest
="verbose", action
="store_true"),
512 optparse
.make_option("--import-local", dest
="importIntoRemotes", action
="store_false"),
513 optparse
.make_option("--max-changes", dest
="maxChanges")
515 self
.description
= """Imports from Perforce into a git repository.\n
517 //depot/my/project/ -- to import the current head
518 //depot/my/project/@all -- to import everything
519 //depot/my/project/@1,6 -- to import only from revision 1 to 6
521 (a ... is not needed in the path p4 specification, it's added implicitly)"""
523 self
.usage
+= " //depot/path[@revRange]"
526 self
.createdBranches
= Set()
527 self
.committedChanges
= Set()
529 self
.detectBranches
= False
530 self
.detectLabels
= False
531 self
.changesFile
= ""
532 self
.syncWithOrigin
= False
534 self
.importIntoRemotes
= True
537 def p4File(self
, depotPath
):
538 return os
.popen("p4 print -q \"%s\"" % depotPath
, "rb").read()
540 def extractFilesFromCommit(self
, commit
):
543 while commit
.has_key("depotFile%s" % fnum
):
544 path
= commit
["depotFile%s" % fnum
]
545 if not path
.startswith(self
.depotPath
):
546 # if not self.silent:
547 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
553 file["rev"] = commit
["rev%s" % fnum
]
554 file["action"] = commit
["action%s" % fnum
]
555 file["type"] = commit
["type%s" % fnum
]
560 def splitFilesIntoBranches(self
, commit
):
564 while commit
.has_key("depotFile%s" % fnum
):
565 path
= commit
["depotFile%s" % fnum
]
566 if not path
.startswith(self
.depotPath
):
567 # if not self.silent:
568 # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
574 file["rev"] = commit
["rev%s" % fnum
]
575 file["action"] = commit
["action%s" % fnum
]
576 file["type"] = commit
["type%s" % fnum
]
579 relPath
= path
[len(self
.depotPath
):]
581 for branch
in self
.knownBranches
.keys():
582 if relPath
.startswith(branch
+ "/"): # add a trailing slash so that a commit into qt/4.2foo doesn't end up in qt/4.2
583 if branch
not in branches
:
584 branches
[branch
] = []
585 branches
[branch
].append(file)
589 def commit(self
, details
, files
, branch
, branchPrefix
, parent
= ""):
590 epoch
= details
["time"]
591 author
= details
["user"]
594 print "commit into %s" % branch
596 self
.gitStream
.write("commit %s\n" % branch
)
597 # gitStream.write("mark :%s\n" % details["change"])
598 self
.committedChanges
.add(int(details
["change"]))
600 if author
not in self
.users
:
601 self
.getUserMapFromPerforceServer()
602 if author
in self
.users
:
603 committer
= "%s %s %s" % (self
.users
[author
], epoch
, self
.tz
)
605 committer
= "%s <a@b> %s %s" % (author
, epoch
, self
.tz
)
607 self
.gitStream
.write("committer %s\n" % committer
)
609 self
.gitStream
.write("data <<EOT\n")
610 self
.gitStream
.write(details
["desc"])
611 self
.gitStream
.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix
, details
["change"]))
612 self
.gitStream
.write("EOT\n\n")
616 print "parent %s" % parent
617 self
.gitStream
.write("from %s\n" % parent
)
621 if not path
.startswith(branchPrefix
):
623 # print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
626 depotPath
= path
+ "#" + rev
627 relPath
= path
[len(branchPrefix
):]
628 action
= file["action"]
630 if file["type"] == "apple":
631 print "\nfile %s is a strange apple file that forks. Ignoring!" % path
634 if action
== "delete":
635 self
.gitStream
.write("D %s\n" % relPath
)
638 if file["type"].startswith("x"):
641 data
= self
.p4File(depotPath
)
643 self
.gitStream
.write("M %s inline %s\n" % (mode
, relPath
))
644 self
.gitStream
.write("data %s\n" % len(data
))
645 self
.gitStream
.write(data
)
646 self
.gitStream
.write("\n")
648 self
.gitStream
.write("\n")
650 change
= int(details
["change"])
652 if self
.labels
.has_key(change
):
653 label
= self
.labels
[change
]
654 labelDetails
= label
[0]
655 labelRevisions
= label
[1]
657 print "Change %s is labelled %s" % (change
, labelDetails
)
659 files
= p4CmdList("files %s...@%s" % (branchPrefix
, change
))
661 if len(files
) == len(labelRevisions
):
665 if info
["action"] == "delete":
667 cleanedFiles
[info
["depotFile"]] = info
["rev"]
669 if cleanedFiles
== labelRevisions
:
670 self
.gitStream
.write("tag tag_%s\n" % labelDetails
["label"])
671 self
.gitStream
.write("from %s\n" % branch
)
673 owner
= labelDetails
["Owner"]
675 if author
in self
.users
:
676 tagger
= "%s %s %s" % (self
.users
[owner
], epoch
, self
.tz
)
678 tagger
= "%s <a@b> %s %s" % (owner
, epoch
, self
.tz
)
679 self
.gitStream
.write("tagger %s\n" % tagger
)
680 self
.gitStream
.write("data <<EOT\n")
681 self
.gitStream
.write(labelDetails
["Description"])
682 self
.gitStream
.write("EOT\n\n")
686 print "Tag %s does not match with change %s: files do not match." % (labelDetails
["label"], change
)
690 print "Tag %s does not match with change %s: file count is different." % (labelDetails
["label"], change
)
692 def getUserMapFromPerforceServer(self
):
695 for output
in p4CmdList("users"):
696 if not output
.has_key("User"):
698 self
.users
[output
["User"]] = output
["FullName"] + " <" + output
["Email"] + ">"
700 cache
= open(gitdir
+ "/p4-usercache.txt", "wb")
701 for user
in self
.users
.keys():
702 cache
.write("%s\t%s\n" % (user
, self
.users
[user
]))
705 def loadUserMapFromCache(self
):
708 cache
= open(gitdir
+ "/p4-usercache.txt", "rb")
709 lines
= cache
.readlines()
712 entry
= line
[:-1].split("\t")
713 self
.users
[entry
[0]] = entry
[1]
715 self
.getUserMapFromPerforceServer()
720 l
= p4CmdList("labels %s..." % self
.depotPath
)
721 if len(l
) > 0 and not self
.silent
:
722 print "Finding files belonging to labels in %s" % self
.depotPath
725 label
= output
["label"]
729 print "Querying files for label %s" % label
730 for file in p4CmdList("files %s...@%s" % (self
.depotPath
, label
)):
731 revisions
[file["depotFile"]] = file["rev"]
732 change
= int(file["change"])
733 if change
> newestChange
:
734 newestChange
= change
736 self
.labels
[newestChange
] = [output
, revisions
]
739 print "Label changes: %s" % self
.labels
.keys()
741 def getBranchMapping(self
):
742 self
.projectName
= self
.depotPath
[self
.depotPath
[:-1].rfind("/") + 1:]
744 for info
in p4CmdList("branches"):
745 details
= p4Cmd("branch -o %s" % info
["branch"])
747 while details
.has_key("View%s" % viewIdx
):
748 paths
= details
["View%s" % viewIdx
].split(" ")
749 viewIdx
= viewIdx
+ 1
750 # require standard //depot/foo/... //depot/bar/... mapping
751 if len(paths
) != 2 or not paths
[0].endswith("/...") or not paths
[1].endswith("/..."):
754 destination
= paths
[1]
755 if source
.startswith(self
.depotPath
) and destination
.startswith(self
.depotPath
):
756 source
= source
[len(self
.depotPath
):-4]
757 destination
= destination
[len(self
.depotPath
):-4]
758 if destination
not in self
.knownBranches
:
759 self
.knownBranches
[destination
] = source
760 if source
not in self
.knownBranches
:
761 self
.knownBranches
[source
] = source
763 def listExistingP4GitBranches(self
):
764 self
.p4BranchesInGit
= []
766 cmdline
= "git rev-parse --symbolic "
767 if self
.importIntoRemotes
:
768 cmdline
+= " --remotes"
770 cmdline
+= " --branches"
772 for line
in mypopen(cmdline
).readlines():
773 if self
.importIntoRemotes
and ((not line
.startswith("p4/")) or line
== "p4/HEAD\n"):
775 if self
.importIntoRemotes
:
780 self
.p4BranchesInGit
.append(branch
)
781 self
.initialParents
[self
.refPrefix
+ branch
] = parseRevision(line
[:-1])
785 self
.changeRange
= ""
786 self
.initialParent
= ""
787 self
.previousDepotPath
= ""
788 # map from branch depot path to parent branch
789 self
.knownBranches
= {}
790 self
.initialParents
= {}
792 if self
.importIntoRemotes
:
793 self
.refPrefix
= "refs/remotes/p4/"
795 self
.refPrefix
= "refs/heads/"
797 createP4HeadRef
= False;
799 if self
.syncWithOrigin
and gitBranchExists("origin") and gitBranchExists(self
.refPrefix
+ "master") and not self
.detectBranches
and self
.importIntoRemotes
:
800 ### needs to be ported to multi branch import
802 print "Syncing with origin first as requested by calling git fetch origin"
803 system("git fetch origin")
804 [originPreviousDepotPath
, originP4Change
] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
805 [p4PreviousDepotPath
, p4Change
] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
806 if len(originPreviousDepotPath
) > 0 and len(originP4Change
) > 0 and len(p4Change
) > 0:
807 if originPreviousDepotPath
== p4PreviousDepotPath
:
808 originP4Change
= int(originP4Change
)
809 p4Change
= int(p4Change
)
810 if originP4Change
> p4Change
:
811 print "origin (%s) is newer than p4 (%s). Updating p4 branch from origin." % (originP4Change
, p4Change
)
812 system("git update-ref " + self
.refPrefix
+ "master origin");
814 print "Cannot sync with origin. It was imported from %s while remotes/p4 was imported from %s" % (originPreviousDepotPath
, p4PreviousDepotPath
)
816 if len(self
.branch
) == 0:
817 self
.branch
= self
.refPrefix
+ "master"
818 if gitBranchExists("refs/heads/p4") and self
.importIntoRemotes
:
819 system("git update-ref %s refs/heads/p4" % self
.branch
)
820 system("git branch -D p4");
821 # create it /after/ importing, when master exists
822 if not gitBranchExists(self
.refPrefix
+ "HEAD") and self
.importIntoRemotes
:
823 createP4HeadRef
= True
825 # this needs to be called after the conversion from heads/p4 to remotes/p4/master
826 self
.listExistingP4GitBranches()
827 if len(self
.p4BranchesInGit
) > 1 and not self
.silent
:
828 print "Importing from/into multiple branches"
829 self
.detectBranches
= True
832 if not gitBranchExists(self
.branch
) and gitBranchExists("origin") and not self
.detectBranches
:
833 ### needs to be ported to multi branch import
835 print "Creating %s branch in git repository based on origin" % self
.branch
837 if not branch
.startswith("refs"):
838 branch
= "refs/heads/" + branch
839 system("git update-ref %s origin" % branch
)
842 print "branches: %s" % self
.p4BranchesInGit
845 for branch
in self
.p4BranchesInGit
:
846 depotPath
, change
= extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(self
.refPrefix
+ branch
))
849 print "path %s change %s" % (depotPath
, change
)
851 if len(depotPath
) > 0 and len(change
) > 0:
852 change
= int(change
) + 1
853 p4Change
= max(p4Change
, change
)
855 if len(self
.previousDepotPath
) == 0:
856 self
.previousDepotPath
= depotPath
859 l
= min(len(self
.previousDepotPath
), len(depotPath
))
860 while i
< l
and self
.previousDepotPath
[i
] == depotPath
[i
]:
862 self
.previousDepotPath
= self
.previousDepotPath
[:i
]
865 self
.depotPath
= self
.previousDepotPath
866 self
.changeRange
= "@%s,#head" % p4Change
867 self
.initialParent
= parseRevision(self
.branch
)
868 if not self
.silent
and not self
.detectBranches
:
869 print "Performing incremental import into %s git branch" % self
.branch
871 if not self
.branch
.startswith("refs/"):
872 self
.branch
= "refs/heads/" + self
.branch
874 if len(self
.depotPath
) != 0:
875 self
.depotPath
= self
.depotPath
[:-1]
877 if len(args
) == 0 and len(self
.depotPath
) != 0:
879 print "Depot path: %s" % self
.depotPath
883 if len(self
.depotPath
) != 0 and self
.depotPath
!= args
[0]:
884 print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self
.depotPath
, args
[0])
886 self
.depotPath
= args
[0]
891 if self
.depotPath
.find("@") != -1:
892 atIdx
= self
.depotPath
.index("@")
893 self
.changeRange
= self
.depotPath
[atIdx
:]
894 if self
.changeRange
== "@all":
895 self
.changeRange
= ""
896 elif self
.changeRange
.find(",") == -1:
897 self
.revision
= self
.changeRange
898 self
.changeRange
= ""
899 self
.depotPath
= self
.depotPath
[0:atIdx
]
900 elif self
.depotPath
.find("#") != -1:
901 hashIdx
= self
.depotPath
.index("#")
902 self
.revision
= self
.depotPath
[hashIdx
:]
903 self
.depotPath
= self
.depotPath
[0:hashIdx
]
904 elif len(self
.previousDepotPath
) == 0:
905 self
.revision
= "#head"
907 if self
.depotPath
.endswith("..."):
908 self
.depotPath
= self
.depotPath
[:-3]
910 if not self
.depotPath
.endswith("/"):
911 self
.depotPath
+= "/"
913 self
.loadUserMapFromCache()
915 if self
.detectLabels
:
918 if self
.detectBranches
:
919 self
.getBranchMapping();
921 print "p4-git branches: %s" % self
.p4BranchesInGit
922 print "initial parents: %s" % self
.initialParents
923 for b
in self
.p4BranchesInGit
:
925 b
= b
[len(self
.projectName
):]
926 self
.createdBranches
.add(b
)
928 self
.tz
= "%+03d%02d" % (- time
.timezone
/ 3600, ((- time
.timezone
% 3600) / 60))
930 importProcess
= subprocess
.Popen(["git", "fast-import"], stdin
=subprocess
.PIPE
, stdout
=subprocess
.PIPE
, stderr
=subprocess
.PIPE
);
931 self
.gitOutput
= importProcess
.stdout
932 self
.gitStream
= importProcess
.stdin
933 self
.gitError
= importProcess
.stderr
935 if len(self
.revision
) > 0:
936 print "Doing initial import of %s from revision %s" % (self
.depotPath
, self
.revision
)
938 details
= { "user" : "git perforce import user", "time" : int(time
.time()) }
939 details
["desc"] = "Initial import of %s from the state at revision %s" % (self
.depotPath
, self
.revision
)
940 details
["change"] = self
.revision
944 for info
in p4CmdList("files %s...%s" % (self
.depotPath
, self
.revision
)):
945 change
= int(info
["change"])
946 if change
> newestRevision
:
947 newestRevision
= change
949 if info
["action"] == "delete":
950 # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
951 #fileCnt = fileCnt + 1
954 for prop
in [ "depotFile", "rev", "action", "type" ]:
955 details
["%s%s" % (prop
, fileCnt
)] = info
[prop
]
957 fileCnt
= fileCnt
+ 1
959 details
["change"] = newestRevision
962 self
.commit(details
, self
.extractFilesFromCommit(details
), self
.branch
, self
.depotPath
)
964 print "IO error with git fast-import. Is your git version recent enough?"
965 print self
.gitError
.read()
970 if len(self
.changesFile
) > 0:
971 output
= open(self
.changesFile
).readlines()
974 changeSet
.add(int(line
))
976 for change
in changeSet
:
977 changes
.append(change
)
982 print "Getting p4 changes for %s...%s" % (self
.depotPath
, self
.changeRange
)
983 output
= mypopen("p4 changes %s...%s" % (self
.depotPath
, self
.changeRange
)).readlines()
986 changeNum
= line
.split(" ")[1]
987 changes
.append(changeNum
)
991 if len(self
.maxChanges
) > 0:
992 changes
= changes
[0:min(int(self
.maxChanges
), len(changes
))]
994 if len(changes
) == 0:
996 print "No changes to import!"
999 self
.updatedBranches
= set()
1002 for change
in changes
:
1003 description
= p4Cmd("describe %s" % change
)
1006 sys
.stdout
.write("\rImporting revision %s (%s%%)" % (change
, cnt
* 100 / len(changes
)))
1011 if self
.detectBranches
:
1012 branches
= self
.splitFilesIntoBranches(description
)
1013 for branch
in branches
.keys():
1014 branchPrefix
= self
.depotPath
+ branch
+ "/"
1018 filesForCommit
= branches
[branch
]
1021 print "branch is %s" % branch
1023 self
.updatedBranches
.add(branch
)
1025 if branch
not in self
.createdBranches
:
1026 self
.createdBranches
.add(branch
)
1027 parent
= self
.knownBranches
[branch
]
1028 if parent
== branch
:
1031 print "parent determined through known branches: %s" % parent
1033 # main branch? use master
1034 if branch
== "main":
1037 branch
= self
.projectName
+ branch
1039 if parent
== "main":
1041 elif len(parent
) > 0:
1042 parent
= self
.projectName
+ parent
1044 branch
= self
.refPrefix
+ branch
1046 parent
= self
.refPrefix
+ parent
1049 print "looking for initial parent for %s; current parent is %s" % (branch
, parent
)
1051 if len(parent
) == 0 and branch
in self
.initialParents
:
1052 parent
= self
.initialParents
[branch
]
1053 del self
.initialParents
[branch
]
1055 self
.commit(description
, filesForCommit
, branch
, branchPrefix
, parent
)
1057 files
= self
.extractFilesFromCommit(description
)
1058 self
.commit(description
, files
, self
.branch
, self
.depotPath
, self
.initialParent
)
1059 self
.initialParent
= ""
1061 print self
.gitError
.read()
1066 if len(self
.updatedBranches
) > 0:
1067 sys
.stdout
.write("Updated branches: ")
1068 for b
in self
.updatedBranches
:
1069 sys
.stdout
.write("%s " % b
)
1070 sys
.stdout
.write("\n")
1073 self
.gitStream
.close()
1074 if importProcess
.wait() != 0:
1075 die("fast-import failed: %s" % self
.gitError
.read())
1076 self
.gitOutput
.close()
1077 self
.gitError
.close()
1080 system("git symbolic-ref %sHEAD %s" % (self
.refPrefix
, self
.branch
))
1084 class P4Rebase(Command
):
1086 Command
.__init
__(self
)
1087 self
.options
= [ optparse
.make_option("--with-origin", dest
="syncWithOrigin", action
="store_true") ]
1088 self
.description
= "Fetches the latest revision from perforce and rebases the current work (branch) against it"
1089 self
.syncWithOrigin
= False
1091 def run(self
, args
):
1093 sync
.syncWithOrigin
= self
.syncWithOrigin
1095 print "Rebasing the current branch"
1096 oldHead
= mypopen("git rev-parse HEAD").read()[:-1]
1097 system("git rebase p4")
1098 system("git diff-tree --stat --summary -M %s HEAD" % oldHead
)
1101 class P4Clone(P4Sync
):
1103 P4Sync
.__init
__(self
)
1104 self
.description
= "Creates a new git repository and imports from Perforce into it"
1105 self
.usage
= "usage: %prog [options] //depot/path[@revRange] [directory]"
1106 self
.needsGit
= False
1108 def run(self
, args
):
1120 if not depotPath
.startswith("//"):
1125 atPos
= dir.rfind("@")
1128 hashPos
= dir.rfind("#")
1130 dir = dir[0:hashPos
]
1132 if dir.endswith("..."):
1135 if dir.endswith("/"):
1138 slashPos
= dir.rfind("/")
1140 dir = dir[slashPos
+ 1:]
1142 print "Importing from %s into %s" % (depotPath
, dir)
1146 gitdir
= os
.getcwd() + "/.git"
1147 if not P4Sync
.run(self
, [depotPath
]):
1149 if self
.branch
!= "master":
1150 if gitBranchExists("refs/remotes/p4/master"):
1151 system("git branch master refs/remotes/p4/master")
1152 system("git checkout -f")
1154 print "Could not detect main branch. No checkout/master branch created."
1157 class HelpFormatter(optparse
.IndentedHelpFormatter
):
1159 optparse
.IndentedHelpFormatter
.__init
__(self
)
1161 def format_description(self
, description
):
1163 return description
+ "\n"
1167 def printUsage(commands
):
1168 print "usage: %s <command> [options]" % sys
.argv
[0]
1170 print "valid commands: %s" % ", ".join(commands
)
1172 print "Try %s <command> --help for command specific help." % sys
.argv
[0]
1176 "debug" : P4Debug(),
1177 "submit" : P4Submit(),
1179 "rebase" : P4Rebase(),
1180 "clone" : P4Clone(),
1181 "rollback" : P4RollBack()
1184 if len(sys
.argv
[1:]) == 0:
1185 printUsage(commands
.keys())
1189 cmdName
= sys
.argv
[1]
1191 cmd
= commands
[cmdName
]
1193 print "unknown command %s" % cmdName
1195 printUsage(commands
.keys())
1198 options
= cmd
.options
1203 if len(options
) > 0:
1204 options
.append(optparse
.make_option("--git-dir", dest
="gitdir"))
1206 parser
= optparse
.OptionParser(cmd
.usage
.replace("%prog", "%prog " + cmdName
),
1208 description
= cmd
.description
,
1209 formatter
= HelpFormatter())
1211 (cmd
, args
) = parser
.parse_args(sys
.argv
[2:], cmd
);
1215 if len(gitdir
) == 0:
1217 if not isValidGitDir(gitdir
):
1218 gitdir
= mypopen("git rev-parse --git-dir").read()[:-1]
1219 if os
.path
.exists(gitdir
):
1220 cdup
= mypopen("git rev-parse --show-cdup").read()[:-1];
1224 if not isValidGitDir(gitdir
):
1225 if isValidGitDir(gitdir
+ "/.git"):
1228 die("fatal: cannot locate git repository at %s" % gitdir
)
1230 os
.environ
["GIT_DIR"] = gitdir
1232 if not cmd
.run(args
):