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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> | |
6 | # Copyright: 2007 Simon Hausmann <hausmann@kde.org> | |
7 | # 2007 Trolltech ASA | |
8 | # License: MIT <http://www.opensource.org/licenses/mit-license.php> | |
9 | # | |
10 | # TODO: * Consider making --with-origin the default, assuming that the git | |
11 | # protocol is always more efficient. (needs manual testing first :) | |
12 | # | |
13 | ||
14 | import optparse, sys, os, marshal, popen2, subprocess, shelve | |
15 | import tempfile, getopt, sha, os.path, time, platform | |
16 | from sets import Set; | |
17 | ||
18 | gitdir = os.environ.get("GIT_DIR", "") | |
19 | ||
20 | def mypopen(command): | |
21 | return os.popen(command, "rb"); | |
22 | ||
23 | def 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 | ||
38 | def p4Cmd(cmd): | |
39 | list = p4CmdList(cmd) | |
40 | result = {} | |
41 | for entry in list: | |
42 | result.update(entry) | |
43 | return result; | |
44 | ||
45 | def p4Where(depotPath): | |
46 | if not depotPath.endswith("/"): | |
47 | depotPath += "/" | |
48 | output = p4Cmd("where %s..." % depotPath) | |
49 | if output["code"] == "error": | |
50 | return "" | |
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 | ||
63 | def die(msg): | |
64 | sys.stderr.write(msg + "\n") | |
65 | sys.exit(1) | |
66 | ||
67 | def currentGitBranch(): | |
68 | return mypopen("git name-rev HEAD").read().split(" ")[1][:-1] | |
69 | ||
70 | def 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 | ||
75 | def parseRevision(ref): | |
76 | return mypopen("git rev-parse %s" % ref).read()[:-1] | |
77 | ||
78 | def system(cmd): | |
79 | if os.system(cmd) != 0: | |
80 | die("command failed: %s" % cmd) | |
81 | ||
82 | def extractLogMessageFromGitCommit(commit): | |
83 | logMessage = "" | |
84 | foundTitle = False | |
85 | for log in mypopen("git cat-file commit %s" % commit).readlines(): | |
86 | if not foundTitle: | |
87 | if len(log) == 1: | |
88 | foundTitle = True | |
89 | continue | |
90 | ||
91 | logMessage += log | |
92 | return logMessage | |
93 | ||
94 | def 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 | ||
113 | def gitBranchExists(branch): | |
114 | proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE); | |
115 | return proc.wait() == 0; | |
116 | ||
117 | class Command: | |
118 | def __init__(self): | |
119 | self.usage = "usage: %prog [options]" | |
120 | self.needsGit = True | |
121 | ||
122 | class P4Debug(Command): | |
123 | def __init__(self): | |
124 | Command.__init__(self) | |
125 | self.options = [ | |
126 | ] | |
127 | self.description = "A tool to debug the output of p4 -G." | |
128 | self.needsGit = False | |
129 | ||
130 | def run(self, args): | |
131 | for output in p4CmdList(" ".join(args)): | |
132 | print output | |
133 | return True | |
134 | ||
135 | class P4RollBack(Command): | |
136 | def __init__(self): | |
137 | Command.__init__(self) | |
138 | self.options = [ | |
139 | optparse.make_option("--verbose", dest="verbose", action="store_true") | |
140 | ] | |
141 | self.description = "A tool to debug the multi-branch import. Don't use :)" | |
142 | self.verbose = False | |
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 | |
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 | ||
160 | while len(change) > 0 and int(change) > maxChange: | |
161 | changed = True | |
162 | if self.verbose: | |
163 | print "%s is at %s ; rewinding towards %s" % (ref, change, maxChange) | |
164 | system("git update-ref %s \"%s^\"" % (ref, ref)) | |
165 | log = extractLogMessageFromGitCommit(ref) | |
166 | depotPath, change = extractDepotPathAndChangeFromGitLog(log) | |
167 | ||
168 | if changed: | |
169 | print "%s rewound to %s" % (ref, change) | |
170 | ||
171 | return True | |
172 | ||
173 | class P4Submit(Command): | |
174 | def __init__(self): | |
175 | Command.__init__(self) | |
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"), | |
180 | optparse.make_option("--log-substitutions", dest="substFile"), | |
181 | optparse.make_option("--noninteractive", action="store_false"), | |
182 | optparse.make_option("--dry-run", action="store_true"), | |
183 | optparse.make_option("--direct", dest="directSubmit", action="store_true"), | |
184 | ] | |
185 | self.description = "Submit changes from git to the perforce depot." | |
186 | self.usage += " [name of git branch to submit into perforce depot]" | |
187 | self.firstTime = True | |
188 | self.reset = False | |
189 | self.interactive = True | |
190 | self.dryRun = False | |
191 | self.substFile = "" | |
192 | self.firstTime = True | |
193 | self.origin = "" | |
194 | self.directSubmit = False | |
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: | |
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) | |
207 | ||
208 | commits = [] | |
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() | |
215 | ||
216 | self.config["commits"] = commits | |
217 | ||
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): | |
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() | |
248 | filesToAdd = set() | |
249 | filesToDelete = set() | |
250 | editedFiles = set() | |
251 | for line in diff: | |
252 | modifier = line[0] | |
253 | path = line[1:].strip() | |
254 | if modifier == "M": | |
255 | system("p4 edit \"%s\"" % path) | |
256 | editedFiles.add(path) | |
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 | ||
268 | if self.directSubmit: | |
269 | diffcmd = "cat \"%s\"" % self.diffFile | |
270 | else: | |
271 | diffcmd = "git format-patch -k --stdout \"%s^\"..\"%s\"" % (id, id) | |
272 | patchcmd = diffcmd + " | git apply " | |
273 | tryPatchCmd = patchcmd + "--check -" | |
274 | applyPatchCmd = patchcmd + "--check --apply -" | |
275 | ||
276 | if os.system(tryPatchCmd) != 0: | |
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": | |
286 | os.system(applyPatchCmd) | |
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 | ||
299 | system(applyPatchCmd) | |
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 | ||
307 | logMessage = "" | |
308 | if not self.directSubmit: | |
309 | logMessage = extractLogMessageFromGitCommit(id) | |
310 | logMessage = logMessage.replace("\n", "\n\t") | |
311 | logMessage = logMessage[:-1] | |
312 | ||
313 | template = mypopen("p4 change -o").read() | |
314 | ||
315 | if self.interactive: | |
316 | submitTemplate = self.prepareLogMessage(template, logMessage) | |
317 | diff = mypopen("p4 diff -du ...").read() | |
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 | ||
328 | separatorLine = "######## everything below this line is just the diff #######" | |
329 | if platform.system() == "Windows": | |
330 | separatorLine += "\r" | |
331 | separatorLine += "\n" | |
332 | ||
333 | response = "e" | |
334 | firstIteration = True | |
335 | while response == "e": | |
336 | if not firstIteration: | |
337 | response = raw_input("Do you want to submit this change? [y]es/[e]dit/[n]o/[s]kip ") | |
338 | firstIteration = False | |
339 | if response == "e": | |
340 | [handle, fileName] = tempfile.mkstemp() | |
341 | tmpFile = os.fdopen(handle, "w+") | |
342 | tmpFile.write(submitTemplate + separatorLine + diff) | |
343 | tmpFile.close() | |
344 | defaultEditor = "vi" | |
345 | if platform.system() == "Windows": | |
346 | defaultEditor = "notepad" | |
347 | editor = os.environ.get("EDITOR", defaultEditor); | |
348 | system(editor + " " + fileName) | |
349 | tmpFile = open(fileName, "rb") | |
350 | message = tmpFile.read() | |
351 | tmpFile.close() | |
352 | os.remove(fileName) | |
353 | submitTemplate = message[:message.index(separatorLine)] | |
354 | ||
355 | if response == "y" or response == "yes": | |
356 | if self.dryRun: | |
357 | print submitTemplate | |
358 | raw_input("Press return to continue...") | |
359 | else: | |
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() | |
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 | |
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): | |
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 | |
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 | ||
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 | ||
415 | self.clientPath = p4Where(depotPath) | |
416 | ||
417 | if len(self.clientPath) == 0: | |
418 | print "Error: Cannot locate perforce checkout of %s in client view" % depotPath | |
419 | sys.exit(128) | |
420 | ||
421 | print "Perforce checkout for depot path %s located at %s" % (depotPath, self.clientPath) | |
422 | self.oldWorkingDirectory = os.getcwd() | |
423 | ||
424 | if self.directSubmit: | |
425 | self.diffStatus = mypopen("git diff -r --name-status HEAD").readlines() | |
426 | if len(self.diffStatus) == 0: | |
427 | print "No changes in working directory to submit." | |
428 | return True | |
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 | ||
435 | os.chdir(self.clientPath) | |
436 | response = raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self.clientPath) | |
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 | ||
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 | ||
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 | ||
474 | if self.directSubmit: | |
475 | os.remove(self.diffFile) | |
476 | ||
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!" | |
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 ") | |
484 | if response == "y" or response == "yes": | |
485 | rebase = P4Rebase() | |
486 | rebase.run([]) | |
487 | os.remove(self.configFile) | |
488 | ||
489 | return True | |
490 | ||
491 | class P4Sync(Command): | |
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"), | |
499 | optparse.make_option("--detect-labels", dest="detectLabels", action="store_true"), | |
500 | optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true"), | |
501 | optparse.make_option("--verbose", dest="verbose", action="store_true") | |
502 | ] | |
503 | self.description = """Imports from Perforce into a git repository.\n | |
504 | example: | |
505 | //depot/my/project/ -- to import the current head | |
506 | //depot/my/project/@all -- to import everything | |
507 | //depot/my/project/@1,6 -- to import only from revision 1 to 6 | |
508 | ||
509 | (a ... is not needed in the path p4 specification, it's added implicitly)""" | |
510 | ||
511 | self.usage += " //depot/path[@revRange]" | |
512 | ||
513 | self.silent = False | |
514 | self.createdBranches = Set() | |
515 | self.committedChanges = Set() | |
516 | self.branch = "" | |
517 | self.detectBranches = False | |
518 | self.detectLabels = False | |
519 | self.changesFile = "" | |
520 | self.syncWithOrigin = False | |
521 | self.verbose = False | |
522 | ||
523 | def p4File(self, depotPath): | |
524 | return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read() | |
525 | ||
526 | def extractFilesFromCommit(self, commit): | |
527 | files = [] | |
528 | fnum = 0 | |
529 | while commit.has_key("depotFile%s" % fnum): | |
530 | path = commit["depotFile%s" % fnum] | |
531 | if not path.startswith(self.depotPath): | |
532 | # if not self.silent: | |
533 | # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change) | |
534 | fnum = fnum + 1 | |
535 | continue | |
536 | ||
537 | file = {} | |
538 | file["path"] = path | |
539 | file["rev"] = commit["rev%s" % fnum] | |
540 | file["action"] = commit["action%s" % fnum] | |
541 | file["type"] = commit["type%s" % fnum] | |
542 | files.append(file) | |
543 | fnum = fnum + 1 | |
544 | return files | |
545 | ||
546 | def splitFilesIntoBranches(self, commit): | |
547 | branches = {} | |
548 | ||
549 | fnum = 0 | |
550 | while commit.has_key("depotFile%s" % fnum): | |
551 | path = commit["depotFile%s" % fnum] | |
552 | if not path.startswith(self.depotPath): | |
553 | # if not self.silent: | |
554 | # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change) | |
555 | fnum = fnum + 1 | |
556 | continue | |
557 | ||
558 | file = {} | |
559 | file["path"] = path | |
560 | file["rev"] = commit["rev%s" % fnum] | |
561 | file["action"] = commit["action%s" % fnum] | |
562 | file["type"] = commit["type%s" % fnum] | |
563 | fnum = fnum + 1 | |
564 | ||
565 | relPath = path[len(self.depotPath):] | |
566 | ||
567 | for branch in self.knownBranches.keys(): | |
568 | if relPath.startswith(branch + "/"): # add a trailing slash so that a commit into qt/4.2foo doesn't end up in qt/4.2 | |
569 | if branch not in branches: | |
570 | branches[branch] = [] | |
571 | branches[branch].append(file) | |
572 | ||
573 | return branches | |
574 | ||
575 | def commit(self, details, files, branch, branchPrefix, parent = ""): | |
576 | epoch = details["time"] | |
577 | author = details["user"] | |
578 | ||
579 | if self.verbose: | |
580 | print "commit into %s" % branch | |
581 | ||
582 | self.gitStream.write("commit %s\n" % branch) | |
583 | # gitStream.write("mark :%s\n" % details["change"]) | |
584 | self.committedChanges.add(int(details["change"])) | |
585 | committer = "" | |
586 | if author not in self.users: | |
587 | self.getUserMapFromPerforceServer() | |
588 | if author in self.users: | |
589 | committer = "%s %s %s" % (self.users[author], epoch, self.tz) | |
590 | else: | |
591 | committer = "%s <a@b> %s %s" % (author, epoch, self.tz) | |
592 | ||
593 | self.gitStream.write("committer %s\n" % committer) | |
594 | ||
595 | self.gitStream.write("data <<EOT\n") | |
596 | self.gitStream.write(details["desc"]) | |
597 | self.gitStream.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix, details["change"])) | |
598 | self.gitStream.write("EOT\n\n") | |
599 | ||
600 | if len(parent) > 0: | |
601 | if self.verbose: | |
602 | print "parent %s" % parent | |
603 | self.gitStream.write("from %s\n" % parent) | |
604 | ||
605 | for file in files: | |
606 | path = file["path"] | |
607 | if not path.startswith(branchPrefix): | |
608 | # if not silent: | |
609 | # print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"]) | |
610 | continue | |
611 | rev = file["rev"] | |
612 | depotPath = path + "#" + rev | |
613 | relPath = path[len(branchPrefix):] | |
614 | action = file["action"] | |
615 | ||
616 | if file["type"] == "apple": | |
617 | print "\nfile %s is a strange apple file that forks. Ignoring!" % path | |
618 | continue | |
619 | ||
620 | if action == "delete": | |
621 | self.gitStream.write("D %s\n" % relPath) | |
622 | else: | |
623 | mode = 644 | |
624 | if file["type"].startswith("x"): | |
625 | mode = 755 | |
626 | ||
627 | data = self.p4File(depotPath) | |
628 | ||
629 | self.gitStream.write("M %s inline %s\n" % (mode, relPath)) | |
630 | self.gitStream.write("data %s\n" % len(data)) | |
631 | self.gitStream.write(data) | |
632 | self.gitStream.write("\n") | |
633 | ||
634 | self.gitStream.write("\n") | |
635 | ||
636 | change = int(details["change"]) | |
637 | ||
638 | if self.labels.has_key(change): | |
639 | label = self.labels[change] | |
640 | labelDetails = label[0] | |
641 | labelRevisions = label[1] | |
642 | if self.verbose: | |
643 | print "Change %s is labelled %s" % (change, labelDetails) | |
644 | ||
645 | files = p4CmdList("files %s...@%s" % (branchPrefix, change)) | |
646 | ||
647 | if len(files) == len(labelRevisions): | |
648 | ||
649 | cleanedFiles = {} | |
650 | for info in files: | |
651 | if info["action"] == "delete": | |
652 | continue | |
653 | cleanedFiles[info["depotFile"]] = info["rev"] | |
654 | ||
655 | if cleanedFiles == labelRevisions: | |
656 | self.gitStream.write("tag tag_%s\n" % labelDetails["label"]) | |
657 | self.gitStream.write("from %s\n" % branch) | |
658 | ||
659 | owner = labelDetails["Owner"] | |
660 | tagger = "" | |
661 | if author in self.users: | |
662 | tagger = "%s %s %s" % (self.users[owner], epoch, self.tz) | |
663 | else: | |
664 | tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz) | |
665 | self.gitStream.write("tagger %s\n" % tagger) | |
666 | self.gitStream.write("data <<EOT\n") | |
667 | self.gitStream.write(labelDetails["Description"]) | |
668 | self.gitStream.write("EOT\n\n") | |
669 | ||
670 | else: | |
671 | if not self.silent: | |
672 | print "Tag %s does not match with change %s: files do not match." % (labelDetails["label"], change) | |
673 | ||
674 | else: | |
675 | if not self.silent: | |
676 | print "Tag %s does not match with change %s: file count is different." % (labelDetails["label"], change) | |
677 | ||
678 | def getUserMapFromPerforceServer(self): | |
679 | self.users = {} | |
680 | ||
681 | for output in p4CmdList("users"): | |
682 | if not output.has_key("User"): | |
683 | continue | |
684 | self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">" | |
685 | ||
686 | cache = open(gitdir + "/p4-usercache.txt", "wb") | |
687 | for user in self.users.keys(): | |
688 | cache.write("%s\t%s\n" % (user, self.users[user])) | |
689 | cache.close(); | |
690 | ||
691 | def loadUserMapFromCache(self): | |
692 | self.users = {} | |
693 | try: | |
694 | cache = open(gitdir + "/p4-usercache.txt", "rb") | |
695 | lines = cache.readlines() | |
696 | cache.close() | |
697 | for line in lines: | |
698 | entry = line[:-1].split("\t") | |
699 | self.users[entry[0]] = entry[1] | |
700 | except IOError: | |
701 | self.getUserMapFromPerforceServer() | |
702 | ||
703 | def getLabels(self): | |
704 | self.labels = {} | |
705 | ||
706 | l = p4CmdList("labels %s..." % self.depotPath) | |
707 | if len(l) > 0 and not self.silent: | |
708 | print "Finding files belonging to labels in %s" % self.depotPath | |
709 | ||
710 | for output in l: | |
711 | label = output["label"] | |
712 | revisions = {} | |
713 | newestChange = 0 | |
714 | if self.verbose: | |
715 | print "Querying files for label %s" % label | |
716 | for file in p4CmdList("files %s...@%s" % (self.depotPath, label)): | |
717 | revisions[file["depotFile"]] = file["rev"] | |
718 | change = int(file["change"]) | |
719 | if change > newestChange: | |
720 | newestChange = change | |
721 | ||
722 | self.labels[newestChange] = [output, revisions] | |
723 | ||
724 | if self.verbose: | |
725 | print "Label changes: %s" % self.labels.keys() | |
726 | ||
727 | def getBranchMapping(self): | |
728 | self.projectName = self.depotPath[self.depotPath[:-1].rfind("/") + 1:] | |
729 | ||
730 | for info in p4CmdList("branches"): | |
731 | details = p4Cmd("branch -o %s" % info["branch"]) | |
732 | viewIdx = 0 | |
733 | while details.has_key("View%s" % viewIdx): | |
734 | paths = details["View%s" % viewIdx].split(" ") | |
735 | viewIdx = viewIdx + 1 | |
736 | # require standard //depot/foo/... //depot/bar/... mapping | |
737 | if len(paths) != 2 or not paths[0].endswith("/...") or not paths[1].endswith("/..."): | |
738 | continue | |
739 | source = paths[0] | |
740 | destination = paths[1] | |
741 | if source.startswith(self.depotPath) and destination.startswith(self.depotPath): | |
742 | source = source[len(self.depotPath):-4] | |
743 | destination = destination[len(self.depotPath):-4] | |
744 | if destination not in self.knownBranches: | |
745 | self.knownBranches[destination] = source | |
746 | if source not in self.knownBranches: | |
747 | self.knownBranches[source] = source | |
748 | ||
749 | def listExistingP4GitBranches(self): | |
750 | self.p4BranchesInGit = [] | |
751 | ||
752 | for line in mypopen("git rev-parse --symbolic --remotes").readlines(): | |
753 | if line.startswith("p4/") and line != "p4/HEAD\n": | |
754 | branch = line[3:-1] | |
755 | self.p4BranchesInGit.append(branch) | |
756 | self.initialParents["refs/remotes/p4/" + branch] = parseRevision(line[:-1]) | |
757 | ||
758 | def run(self, args): | |
759 | self.depotPath = "" | |
760 | self.changeRange = "" | |
761 | self.initialParent = "" | |
762 | self.previousDepotPath = "" | |
763 | # map from branch depot path to parent branch | |
764 | self.knownBranches = {} | |
765 | self.initialParents = {} | |
766 | ||
767 | createP4HeadRef = False; | |
768 | ||
769 | if self.syncWithOrigin and gitBranchExists("origin") and gitBranchExists("refs/remotes/p4/master") and not self.detectBranches: | |
770 | ### needs to be ported to multi branch import | |
771 | ||
772 | print "Syncing with origin first as requested by calling git fetch origin" | |
773 | system("git fetch origin") | |
774 | [originPreviousDepotPath, originP4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin")) | |
775 | [p4PreviousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4")) | |
776 | if len(originPreviousDepotPath) > 0 and len(originP4Change) > 0 and len(p4Change) > 0: | |
777 | if originPreviousDepotPath == p4PreviousDepotPath: | |
778 | originP4Change = int(originP4Change) | |
779 | p4Change = int(p4Change) | |
780 | if originP4Change > p4Change: | |
781 | print "origin (%s) is newer than p4 (%s). Updating p4 branch from origin." % (originP4Change, p4Change) | |
782 | system("git update-ref refs/remotes/p4/master origin"); | |
783 | else: | |
784 | print "Cannot sync with origin. It was imported from %s while remotes/p4 was imported from %s" % (originPreviousDepotPath, p4PreviousDepotPath) | |
785 | ||
786 | if len(self.branch) == 0: | |
787 | self.branch = "refs/remotes/p4/master" | |
788 | if gitBranchExists("refs/heads/p4"): | |
789 | system("git update-ref %s refs/heads/p4" % self.branch) | |
790 | system("git branch -D p4"); | |
791 | # create it /after/ importing, when master exists | |
792 | if not gitBranchExists("refs/remotes/p4/HEAD"): | |
793 | createP4HeadRef = True | |
794 | ||
795 | # this needs to be called after the conversion from heads/p4 to remotes/p4/master | |
796 | self.listExistingP4GitBranches() | |
797 | if len(self.p4BranchesInGit) > 1 and not self.silent: | |
798 | print "Importing from/into multiple branches" | |
799 | self.detectBranches = True | |
800 | ||
801 | if len(args) == 0: | |
802 | if not gitBranchExists(self.branch) and gitBranchExists("origin") and not self.detectBranches: | |
803 | ### needs to be ported to multi branch import | |
804 | if not self.silent: | |
805 | print "Creating %s branch in git repository based on origin" % self.branch | |
806 | branch = self.branch | |
807 | if not branch.startswith("refs"): | |
808 | branch = "refs/heads/" + branch | |
809 | system("git update-ref %s origin" % branch) | |
810 | ||
811 | if self.verbose: | |
812 | print "branches: %s" % self.p4BranchesInGit | |
813 | ||
814 | p4Change = 0 | |
815 | for branch in self.p4BranchesInGit: | |
816 | depotPath, change = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("refs/remotes/p4/" + branch)) | |
817 | ||
818 | if self.verbose: | |
819 | print "path %s change %s" % (depotPath, change) | |
820 | ||
821 | if len(depotPath) > 0 and len(change) > 0: | |
822 | change = int(change) + 1 | |
823 | p4Change = max(p4Change, change) | |
824 | ||
825 | if len(self.previousDepotPath) == 0: | |
826 | self.previousDepotPath = depotPath | |
827 | else: | |
828 | i = 0 | |
829 | l = min(len(self.previousDepotPath), len(depotPath)) | |
830 | while i < l and self.previousDepotPath[i] == depotPath[i]: | |
831 | i = i + 1 | |
832 | self.previousDepotPath = self.previousDepotPath[:i] | |
833 | ||
834 | if p4Change > 0: | |
835 | self.depotPath = self.previousDepotPath | |
836 | self.changeRange = "@%s,#head" % p4Change | |
837 | self.initialParent = parseRevision(self.branch) | |
838 | if not self.silent and not self.detectBranches: | |
839 | print "Performing incremental import into %s git branch" % self.branch | |
840 | ||
841 | if not self.branch.startswith("refs/"): | |
842 | self.branch = "refs/heads/" + self.branch | |
843 | ||
844 | if len(self.depotPath) != 0: | |
845 | self.depotPath = self.depotPath[:-1] | |
846 | ||
847 | if len(args) == 0 and len(self.depotPath) != 0: | |
848 | if not self.silent: | |
849 | print "Depot path: %s" % self.depotPath | |
850 | elif len(args) != 1: | |
851 | return False | |
852 | else: | |
853 | if len(self.depotPath) != 0 and self.depotPath != args[0]: | |
854 | print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self.depotPath, args[0]) | |
855 | sys.exit(1) | |
856 | self.depotPath = args[0] | |
857 | ||
858 | self.revision = "" | |
859 | self.users = {} | |
860 | ||
861 | if self.depotPath.find("@") != -1: | |
862 | atIdx = self.depotPath.index("@") | |
863 | self.changeRange = self.depotPath[atIdx:] | |
864 | if self.changeRange == "@all": | |
865 | self.changeRange = "" | |
866 | elif self.changeRange.find(",") == -1: | |
867 | self.revision = self.changeRange | |
868 | self.changeRange = "" | |
869 | self.depotPath = self.depotPath[0:atIdx] | |
870 | elif self.depotPath.find("#") != -1: | |
871 | hashIdx = self.depotPath.index("#") | |
872 | self.revision = self.depotPath[hashIdx:] | |
873 | self.depotPath = self.depotPath[0:hashIdx] | |
874 | elif len(self.previousDepotPath) == 0: | |
875 | self.revision = "#head" | |
876 | ||
877 | if self.depotPath.endswith("..."): | |
878 | self.depotPath = self.depotPath[:-3] | |
879 | ||
880 | if not self.depotPath.endswith("/"): | |
881 | self.depotPath += "/" | |
882 | ||
883 | self.loadUserMapFromCache() | |
884 | self.labels = {} | |
885 | if self.detectLabels: | |
886 | self.getLabels(); | |
887 | ||
888 | if self.detectBranches: | |
889 | self.getBranchMapping(); | |
890 | if self.verbose: | |
891 | print "p4-git branches: %s" % self.p4BranchesInGit | |
892 | print "initial parents: %s" % self.initialParents | |
893 | for b in self.p4BranchesInGit: | |
894 | if b != "master": | |
895 | b = b[len(self.projectName):] | |
896 | self.createdBranches.add(b) | |
897 | ||
898 | self.tz = "%+03d%02d" % (- time.timezone / 3600, ((- time.timezone % 3600) / 60)) | |
899 | ||
900 | importProcess = subprocess.Popen(["git", "fast-import"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE); | |
901 | self.gitOutput = importProcess.stdout | |
902 | self.gitStream = importProcess.stdin | |
903 | self.gitError = importProcess.stderr | |
904 | ||
905 | if len(self.revision) > 0: | |
906 | print "Doing initial import of %s from revision %s" % (self.depotPath, self.revision) | |
907 | ||
908 | details = { "user" : "git perforce import user", "time" : int(time.time()) } | |
909 | details["desc"] = "Initial import of %s from the state at revision %s" % (self.depotPath, self.revision) | |
910 | details["change"] = self.revision | |
911 | newestRevision = 0 | |
912 | ||
913 | fileCnt = 0 | |
914 | for info in p4CmdList("files %s...%s" % (self.depotPath, self.revision)): | |
915 | change = int(info["change"]) | |
916 | if change > newestRevision: | |
917 | newestRevision = change | |
918 | ||
919 | if info["action"] == "delete": | |
920 | # don't increase the file cnt, otherwise details["depotFile123"] will have gaps! | |
921 | #fileCnt = fileCnt + 1 | |
922 | continue | |
923 | ||
924 | for prop in [ "depotFile", "rev", "action", "type" ]: | |
925 | details["%s%s" % (prop, fileCnt)] = info[prop] | |
926 | ||
927 | fileCnt = fileCnt + 1 | |
928 | ||
929 | details["change"] = newestRevision | |
930 | ||
931 | try: | |
932 | self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPath) | |
933 | except IOError: | |
934 | print "IO error with git fast-import. Is your git version recent enough?" | |
935 | print self.gitError.read() | |
936 | ||
937 | else: | |
938 | changes = [] | |
939 | ||
940 | if len(self.changesFile) > 0: | |
941 | output = open(self.changesFile).readlines() | |
942 | changeSet = Set() | |
943 | for line in output: | |
944 | changeSet.add(int(line)) | |
945 | ||
946 | for change in changeSet: | |
947 | changes.append(change) | |
948 | ||
949 | changes.sort() | |
950 | else: | |
951 | if self.verbose: | |
952 | print "Getting p4 changes for %s...%s" % (self.depotPath, self.changeRange) | |
953 | output = mypopen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines() | |
954 | ||
955 | for line in output: | |
956 | changeNum = line.split(" ")[1] | |
957 | changes.append(changeNum) | |
958 | ||
959 | changes.reverse() | |
960 | ||
961 | if len(changes) == 0: | |
962 | if not self.silent: | |
963 | print "No changes to import!" | |
964 | return True | |
965 | ||
966 | self.updatedBranches = set() | |
967 | ||
968 | cnt = 1 | |
969 | for change in changes: | |
970 | description = p4Cmd("describe %s" % change) | |
971 | ||
972 | if not self.silent: | |
973 | sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes))) | |
974 | sys.stdout.flush() | |
975 | cnt = cnt + 1 | |
976 | ||
977 | try: | |
978 | if self.detectBranches: | |
979 | branches = self.splitFilesIntoBranches(description) | |
980 | for branch in branches.keys(): | |
981 | branchPrefix = self.depotPath + branch + "/" | |
982 | ||
983 | parent = "" | |
984 | ||
985 | filesForCommit = branches[branch] | |
986 | ||
987 | if self.verbose: | |
988 | print "branch is %s" % branch | |
989 | ||
990 | self.updatedBranches.add(branch) | |
991 | ||
992 | if branch not in self.createdBranches: | |
993 | self.createdBranches.add(branch) | |
994 | parent = self.knownBranches[branch] | |
995 | if parent == branch: | |
996 | parent = "" | |
997 | elif self.verbose: | |
998 | print "parent determined through known branches: %s" % parent | |
999 | ||
1000 | # main branch? use master | |
1001 | if branch == "main": | |
1002 | branch = "master" | |
1003 | else: | |
1004 | branch = self.projectName + branch | |
1005 | ||
1006 | if parent == "main": | |
1007 | parent = "master" | |
1008 | elif len(parent) > 0: | |
1009 | parent = self.projectName + parent | |
1010 | ||
1011 | branch = "refs/remotes/p4/" + branch | |
1012 | if len(parent) > 0: | |
1013 | parent = "refs/remotes/p4/" + parent | |
1014 | ||
1015 | if self.verbose: | |
1016 | print "looking for initial parent for %s; current parent is %s" % (branch, parent) | |
1017 | ||
1018 | if len(parent) == 0 and branch in self.initialParents: | |
1019 | parent = self.initialParents[branch] | |
1020 | del self.initialParents[branch] | |
1021 | ||
1022 | self.commit(description, filesForCommit, branch, branchPrefix, parent) | |
1023 | else: | |
1024 | files = self.extractFilesFromCommit(description) | |
1025 | self.commit(description, files, self.branch, self.depotPath, self.initialParent) | |
1026 | self.initialParent = "" | |
1027 | except IOError: | |
1028 | print self.gitError.read() | |
1029 | sys.exit(1) | |
1030 | ||
1031 | if not self.silent: | |
1032 | print "" | |
1033 | if len(self.updatedBranches) > 0: | |
1034 | sys.stdout.write("Updated branches: ") | |
1035 | for b in self.updatedBranches: | |
1036 | sys.stdout.write("%s " % b) | |
1037 | sys.stdout.write("\n") | |
1038 | ||
1039 | ||
1040 | self.gitStream.close() | |
1041 | if importProcess.wait() != 0: | |
1042 | die("fast-import failed: %s" % self.gitError.read()) | |
1043 | self.gitOutput.close() | |
1044 | self.gitError.close() | |
1045 | ||
1046 | if createP4HeadRef: | |
1047 | system("git symbolic-ref refs/remotes/p4/HEAD %s" % self.branch) | |
1048 | ||
1049 | return True | |
1050 | ||
1051 | class P4Rebase(Command): | |
1052 | def __init__(self): | |
1053 | Command.__init__(self) | |
1054 | self.options = [ optparse.make_option("--with-origin", dest="syncWithOrigin", action="store_true") ] | |
1055 | self.description = "Fetches the latest revision from perforce and rebases the current work (branch) against it" | |
1056 | self.syncWithOrigin = False | |
1057 | ||
1058 | def run(self, args): | |
1059 | sync = P4Sync() | |
1060 | sync.syncWithOrigin = self.syncWithOrigin | |
1061 | sync.run([]) | |
1062 | print "Rebasing the current branch" | |
1063 | oldHead = mypopen("git rev-parse HEAD").read()[:-1] | |
1064 | system("git rebase p4") | |
1065 | system("git diff-tree --stat --summary -M %s HEAD" % oldHead) | |
1066 | return True | |
1067 | ||
1068 | class P4Clone(P4Sync): | |
1069 | def __init__(self): | |
1070 | P4Sync.__init__(self) | |
1071 | self.description = "Creates a new git repository and imports from Perforce into it" | |
1072 | self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]" | |
1073 | self.needsGit = False | |
1074 | ||
1075 | def run(self, args): | |
1076 | global gitdir | |
1077 | ||
1078 | if len(args) < 1: | |
1079 | return False | |
1080 | depotPath = args[0] | |
1081 | dir = "" | |
1082 | if len(args) == 2: | |
1083 | dir = args[1] | |
1084 | elif len(args) > 2: | |
1085 | return False | |
1086 | ||
1087 | if not depotPath.startswith("//"): | |
1088 | return False | |
1089 | ||
1090 | if len(dir) == 0: | |
1091 | dir = depotPath | |
1092 | atPos = dir.rfind("@") | |
1093 | if atPos != -1: | |
1094 | dir = dir[0:atPos] | |
1095 | hashPos = dir.rfind("#") | |
1096 | if hashPos != -1: | |
1097 | dir = dir[0:hashPos] | |
1098 | ||
1099 | if dir.endswith("..."): | |
1100 | dir = dir[:-3] | |
1101 | ||
1102 | if dir.endswith("/"): | |
1103 | dir = dir[:-1] | |
1104 | ||
1105 | slashPos = dir.rfind("/") | |
1106 | if slashPos != -1: | |
1107 | dir = dir[slashPos + 1:] | |
1108 | ||
1109 | print "Importing from %s into %s" % (depotPath, dir) | |
1110 | os.makedirs(dir) | |
1111 | os.chdir(dir) | |
1112 | system("git init") | |
1113 | gitdir = os.getcwd() + "/.git" | |
1114 | if not P4Sync.run(self, [depotPath]): | |
1115 | return False | |
1116 | if self.branch != "master": | |
1117 | if gitBranchExists("refs/remotes/p4/master"): | |
1118 | system("git branch master refs/remotes/p4/master") | |
1119 | system("git checkout -f") | |
1120 | else: | |
1121 | print "Could not detect main branch. No checkout/master branch created." | |
1122 | return True | |
1123 | ||
1124 | class HelpFormatter(optparse.IndentedHelpFormatter): | |
1125 | def __init__(self): | |
1126 | optparse.IndentedHelpFormatter.__init__(self) | |
1127 | ||
1128 | def format_description(self, description): | |
1129 | if description: | |
1130 | return description + "\n" | |
1131 | else: | |
1132 | return "" | |
1133 | ||
1134 | def printUsage(commands): | |
1135 | print "usage: %s <command> [options]" % sys.argv[0] | |
1136 | print "" | |
1137 | print "valid commands: %s" % ", ".join(commands) | |
1138 | print "" | |
1139 | print "Try %s <command> --help for command specific help." % sys.argv[0] | |
1140 | print "" | |
1141 | ||
1142 | commands = { | |
1143 | "debug" : P4Debug(), | |
1144 | "submit" : P4Submit(), | |
1145 | "sync" : P4Sync(), | |
1146 | "rebase" : P4Rebase(), | |
1147 | "clone" : P4Clone(), | |
1148 | "rollback" : P4RollBack() | |
1149 | } | |
1150 | ||
1151 | if len(sys.argv[1:]) == 0: | |
1152 | printUsage(commands.keys()) | |
1153 | sys.exit(2) | |
1154 | ||
1155 | cmd = "" | |
1156 | cmdName = sys.argv[1] | |
1157 | try: | |
1158 | cmd = commands[cmdName] | |
1159 | except KeyError: | |
1160 | print "unknown command %s" % cmdName | |
1161 | print "" | |
1162 | printUsage(commands.keys()) | |
1163 | sys.exit(2) | |
1164 | ||
1165 | options = cmd.options | |
1166 | cmd.gitdir = gitdir | |
1167 | ||
1168 | args = sys.argv[2:] | |
1169 | ||
1170 | if len(options) > 0: | |
1171 | options.append(optparse.make_option("--git-dir", dest="gitdir")) | |
1172 | ||
1173 | parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName), | |
1174 | options, | |
1175 | description = cmd.description, | |
1176 | formatter = HelpFormatter()) | |
1177 | ||
1178 | (cmd, args) = parser.parse_args(sys.argv[2:], cmd); | |
1179 | ||
1180 | if cmd.needsGit: | |
1181 | gitdir = cmd.gitdir | |
1182 | if len(gitdir) == 0: | |
1183 | gitdir = ".git" | |
1184 | if not isValidGitDir(gitdir): | |
1185 | gitdir = mypopen("git rev-parse --git-dir").read()[:-1] | |
1186 | if os.path.exists(gitdir): | |
1187 | cdup = mypopen("git rev-parse --show-cdup").read()[:-1]; | |
1188 | if len(cdup) > 0: | |
1189 | os.chdir(cdup); | |
1190 | ||
1191 | if not isValidGitDir(gitdir): | |
1192 | if isValidGitDir(gitdir + "/.git"): | |
1193 | gitdir += "/.git" | |
1194 | else: | |
1195 | die("fatal: cannot locate git repository at %s" % gitdir) | |
1196 | ||
1197 | os.environ["GIT_DIR"] = gitdir | |
1198 | ||
1199 | if not cmd.run(args): | |
1200 | parser.print_help() | |
1201 |