git-commit-vandalism/contrib/fast-import/git-p4
Simon Hausmann c45b1cfe1e Fix file determination for #head imports
Signed-off-by: Simon Hausmann <simon@lst.de>
2007-04-08 10:13:32 +02:00

1194 lines
42 KiB
Python
Executable File

#!/usr/bin/env python
#
# git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
#
# Author: Simon Hausmann <hausmann@kde.org>
# Copyright: 2007 Simon Hausmann <hausmann@kde.org>
# 2007 Trolltech ASA
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
#
import optparse, sys, os, marshal, popen2, shelve
import tempfile, getopt, sha, os.path, time
from sets import Set;
gitdir = os.environ.get("GIT_DIR", "")
def p4CmdList(cmd):
cmd = "p4 -G %s" % cmd
pipe = os.popen(cmd, "rb")
result = []
try:
while True:
entry = marshal.load(pipe)
result.append(entry)
except EOFError:
pass
pipe.close()
return result
def p4Cmd(cmd):
list = p4CmdList(cmd)
result = {}
for entry in list:
result.update(entry)
return result;
def p4Where(depotPath):
if not depotPath.endswith("/"):
depotPath += "/"
output = p4Cmd("where %s..." % depotPath)
clientPath = ""
if "path" in output:
clientPath = output.get("path")
elif "data" in output:
data = output.get("data")
lastSpace = data.rfind(" ")
clientPath = data[lastSpace + 1:]
if clientPath.endswith("..."):
clientPath = clientPath[:-3]
return clientPath
def die(msg):
sys.stderr.write(msg + "\n")
sys.exit(1)
def currentGitBranch():
return os.popen("git name-rev HEAD").read().split(" ")[1][:-1]
def isValidGitDir(path):
if os.path.exists(path + "/HEAD") and os.path.exists(path + "/refs") and os.path.exists(path + "/objects"):
return True;
return False
def system(cmd):
if os.system(cmd) != 0:
die("command failed: %s" % cmd)
def extractLogMessageFromGitCommit(commit):
logMessage = ""
foundTitle = False
for log in os.popen("git cat-file commit %s" % commit).readlines():
if not foundTitle:
if len(log) == 1:
foundTitle = 1
continue
logMessage += log
return logMessage
def extractDepotPathAndChangeFromGitLog(log):
values = {}
for line in log.split("\n"):
line = line.strip()
if line.startswith("[git-p4:") and line.endswith("]"):
line = line[8:-1].strip()
for assignment in line.split(":"):
variable = assignment.strip()
value = ""
equalPos = assignment.find("=")
if equalPos != -1:
variable = assignment[:equalPos].strip()
value = assignment[equalPos + 1:].strip()
if value.startswith("\"") and value.endswith("\""):
value = value[1:-1]
values[variable] = value
return values.get("depot-path"), values.get("change")
def gitBranchExists(branch):
if os.system("git rev-parse %s 2>/dev/null >/dev/null" % branch) == 0:
return True
return False
class Command:
def __init__(self):
self.usage = "usage: %prog [options]"
self.needsGit = True
class P4Debug(Command):
def __init__(self):
Command.__init__(self)
self.options = [
]
self.description = "A tool to debug the output of p4 -G."
self.needsGit = False
def run(self, args):
for output in p4CmdList(" ".join(args)):
print output
return True
class P4CleanTags(Command):
def __init__(self):
Command.__init__(self)
self.options = [
# optparse.make_option("--branch", dest="branch", default="refs/heads/master")
]
self.description = "A tool to remove stale unused tags from incremental perforce imports."
def run(self, args):
branch = currentGitBranch()
print "Cleaning out stale p4 import tags..."
sout, sin, serr = popen2.popen3("git name-rev --tags `git rev-parse %s`" % branch)
output = sout.read()
try:
tagIdx = output.index(" tags/p4/")
except:
print "Cannot find any p4/* tag. Nothing to do."
sys.exit(0)
try:
caretIdx = output.index("^")
except:
caretIdx = len(output) - 1
rev = int(output[tagIdx + 9 : caretIdx])
allTags = os.popen("git tag -l p4/").readlines()
for i in range(len(allTags)):
allTags[i] = int(allTags[i][3:-1])
allTags.sort()
allTags.remove(rev)
for rev in allTags:
print os.popen("git tag -d p4/%s" % rev).read()
print "%s tags removed." % len(allTags)
return True
class P4Submit(Command):
def __init__(self):
Command.__init__(self)
self.options = [
optparse.make_option("--continue", action="store_false", dest="firstTime"),
optparse.make_option("--origin", dest="origin"),
optparse.make_option("--reset", action="store_true", dest="reset"),
optparse.make_option("--log-substitutions", dest="substFile"),
optparse.make_option("--noninteractive", action="store_false"),
optparse.make_option("--dry-run", action="store_true"),
optparse.make_option("--apply-as-patch", action="store_true", dest="applyAsPatch")
]
self.description = "Submit changes from git to the perforce depot."
self.usage += " [name of git branch to submit into perforce depot]"
self.firstTime = True
self.reset = False
self.interactive = True
self.dryRun = False
self.substFile = ""
self.firstTime = True
self.origin = ""
self.applyAsPatch = True
self.logSubstitutions = {}
self.logSubstitutions["<enter description here>"] = "%log%"
self.logSubstitutions["\tDetails:"] = "\tDetails: %log%"
def check(self):
if len(p4CmdList("opened ...")) > 0:
die("You have files opened with perforce! Close them before starting the sync.")
def start(self):
if len(self.config) > 0 and not self.reset:
die("Cannot start sync. Previous sync config found at %s" % self.configFile)
commits = []
for line in os.popen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
commits.append(line[:-1])
commits.reverse()
self.config["commits"] = commits
if not self.applyAsPatch:
print "Creating temporary p4-sync branch from %s ..." % self.origin
system("git checkout -f -b p4-sync %s" % self.origin)
def prepareLogMessage(self, template, message):
result = ""
for line in template.split("\n"):
if line.startswith("#"):
result += line + "\n"
continue
substituted = False
for key in self.logSubstitutions.keys():
if line.find(key) != -1:
value = self.logSubstitutions[key]
value = value.replace("%log%", message)
if value != "@remove@":
result += line.replace(key, value) + "\n"
substituted = True
break
if not substituted:
result += line + "\n"
return result
def apply(self, id):
print "Applying %s" % (os.popen("git log --max-count=1 --pretty=oneline %s" % id).read())
diff = os.popen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
filesToAdd = set()
filesToDelete = set()
for line in diff:
modifier = line[0]
path = line[1:].strip()
if modifier == "M":
system("p4 edit %s" % path)
elif modifier == "A":
filesToAdd.add(path)
if path in filesToDelete:
filesToDelete.remove(path)
elif modifier == "D":
filesToDelete.add(path)
if path in filesToAdd:
filesToAdd.remove(path)
else:
die("unknown modifier %s for %s" % (modifier, path))
if self.applyAsPatch:
system("git diff-tree -p --diff-filter=ACMRTUXB \"%s^\" \"%s\" | patch -p1" % (id, id))
else:
system("git diff-files --name-only -z | git update-index --remove -z --stdin")
system("git cherry-pick --no-commit \"%s\"" % id)
for f in filesToAdd:
system("p4 add %s" % f)
for f in filesToDelete:
system("p4 revert %s" % f)
system("p4 delete %s" % f)
logMessage = extractLogMessageFromGitCommit(id)
logMessage = logMessage.replace("\n", "\n\t")
logMessage = logMessage[:-1]
template = os.popen("p4 change -o").read()
if self.interactive:
submitTemplate = self.prepareLogMessage(template, logMessage)
diff = os.popen("p4 diff -du ...").read()
for newFile in filesToAdd:
diff += "==== new file ====\n"
diff += "--- /dev/null\n"
diff += "+++ %s\n" % newFile
f = open(newFile, "r")
for line in f.readlines():
diff += "+" + line
f.close()
separatorLine = "######## everything below this line is just the diff #######\n"
response = "e"
firstIteration = True
while response == "e":
if not firstIteration:
response = raw_input("Do you want to submit this change (y/e/n)? ")
firstIteration = False
if response == "e":
[handle, fileName] = tempfile.mkstemp()
tmpFile = os.fdopen(handle, "w+")
tmpFile.write(submitTemplate + separatorLine + diff)
tmpFile.close()
editor = os.environ.get("EDITOR", "vi")
system(editor + " " + fileName)
tmpFile = open(fileName, "r")
message = tmpFile.read()
tmpFile.close()
os.remove(fileName)
submitTemplate = message[:message.index(separatorLine)]
if response == "y" or response == "yes":
if self.dryRun:
print submitTemplate
raw_input("Press return to continue...")
else:
pipe = os.popen("p4 submit -i", "w")
pipe.write(submitTemplate)
pipe.close()
else:
print "Not submitting!"
self.interactive = False
else:
fileName = "submit.txt"
file = open(fileName, "w+")
file.write(self.prepareLogMessage(template, logMessage))
file.close()
print "Perforce submit template written as %s. Please review/edit and then use p4 submit -i < %s to submit directly!" % (fileName, fileName)
def run(self, args):
global gitdir
# make gitdir absolute so we can cd out into the perforce checkout
gitdir = os.path.abspath(gitdir)
os.environ["GIT_DIR"] = gitdir
if len(args) == 0:
self.master = currentGitBranch()
if len(self.master) == 0 or not os.path.exists("%s/refs/heads/%s" % (gitdir, self.master)):
die("Detecting current git branch failed!")
elif len(args) == 1:
self.master = args[0]
else:
return False
depotPath = ""
if gitBranchExists("p4"):
[depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
if len(depotPath) == 0 and gitBranchExists("origin"):
[depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
if len(depotPath) == 0:
print "Internal error: cannot locate perforce depot path from existing branches"
sys.exit(128)
clientPath = p4Where(depotPath)
if len(clientPath) == 0:
print "Error: Cannot locate perforce checkout of %s in client view" % depotPath
sys.exit(128)
print "Perforce checkout for depot path %s located at %s" % (depotPath, clientPath)
os.chdir(clientPath)
response = raw_input("Do you want to sync %s with p4 sync? (y/n) " % clientPath)
if response == "y" or response == "yes":
system("p4 sync ...")
if len(self.origin) == 0:
if gitBranchExists("p4"):
self.origin = "p4"
else:
self.origin = "origin"
if self.reset:
self.firstTime = True
if len(self.substFile) > 0:
for line in open(self.substFile, "r").readlines():
tokens = line[:-1].split("=")
self.logSubstitutions[tokens[0]] = tokens[1]
self.check()
self.configFile = gitdir + "/p4-git-sync.cfg"
self.config = shelve.open(self.configFile, writeback=True)
if self.firstTime:
self.start()
commits = self.config.get("commits", [])
while len(commits) > 0:
self.firstTime = False
commit = commits[0]
commits = commits[1:]
self.config["commits"] = commits
self.apply(commit)
if not self.interactive:
break
self.config.close()
if len(commits) == 0:
if self.firstTime:
print "No changes found to apply between %s and current HEAD" % self.origin
else:
print "All changes applied!"
if not self.applyAsPatch:
print "Deleting temporary p4-sync branch and going back to %s" % self.master
system("git checkout %s" % self.master)
system("git branch -D p4-sync")
print "Cleaning out your perforce checkout by doing p4 edit ... ; p4 revert ..."
system("p4 edit ... >/dev/null")
system("p4 revert ... >/dev/null")
os.remove(self.configFile)
return True
class P4Sync(Command):
def __init__(self):
Command.__init__(self)
self.options = [
optparse.make_option("--branch", dest="branch"),
optparse.make_option("--detect-branches", dest="detectBranches", action="store_true"),
optparse.make_option("--changesfile", dest="changesFile"),
optparse.make_option("--silent", dest="silent", action="store_true"),
optparse.make_option("--known-branches", dest="knownBranches"),
optparse.make_option("--data-cache", dest="dataCache", action="store_true"),
optparse.make_option("--command-cache", dest="commandCache", action="store_true"),
optparse.make_option("--detect-labels", dest="detectLabels", action="store_true")
]
self.description = """Imports from Perforce into a git repository.\n
example:
//depot/my/project/ -- to import the current head
//depot/my/project/@all -- to import everything
//depot/my/project/@1,6 -- to import only from revision 1 to 6
(a ... is not needed in the path p4 specification, it's added implicitly)"""
self.usage += " //depot/path[@revRange]"
self.dataCache = False
self.commandCache = False
self.silent = False
self.knownBranches = Set()
self.createdBranches = Set()
self.committedChanges = Set()
self.branch = ""
self.detectBranches = False
self.detectLabels = False
self.changesFile = ""
self.tagLastChange = True
def p4File(self, depotPath):
return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
def extractFilesFromCommit(self, commit):
files = []
fnum = 0
while commit.has_key("depotFile%s" % fnum):
path = commit["depotFile%s" % fnum]
if not path.startswith(self.globalPrefix):
# if not self.silent:
# print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.globalPrefix, change)
fnum = fnum + 1
continue
file = {}
file["path"] = path
file["rev"] = commit["rev%s" % fnum]
file["action"] = commit["action%s" % fnum]
file["type"] = commit["type%s" % fnum]
files.append(file)
fnum = fnum + 1
return files
def isSubPathOf(self, first, second):
if not first.startswith(second):
return False
if first == second:
return True
return first[len(second)] == "/"
def branchesForCommit(self, files):
branches = Set()
for file in files:
relativePath = file["path"][len(self.globalPrefix):]
# strip off the filename
relativePath = relativePath[0:relativePath.rfind("/")]
# if len(branches) == 0:
# branches.add(relativePath)
# knownBranches.add(relativePath)
# continue
###### this needs more testing :)
knownBranch = False
for branch in branches:
if relativePath == branch:
knownBranch = True
break
# if relativePath.startswith(branch):
if self.isSubPathOf(relativePath, branch):
knownBranch = True
break
# if branch.startswith(relativePath):
if self.isSubPathOf(branch, relativePath):
branches.remove(branch)
break
if knownBranch:
continue
for branch in self.knownBranches:
#if relativePath.startswith(branch):
if self.isSubPathOf(relativePath, branch):
if len(branches) == 0:
relativePath = branch
else:
knownBranch = True
break
if knownBranch:
continue
branches.add(relativePath)
self.knownBranches.add(relativePath)
return branches
def findBranchParent(self, branchPrefix, files):
for file in files:
path = file["path"]
if not path.startswith(branchPrefix):
continue
action = file["action"]
if action != "integrate" and action != "branch":
continue
rev = file["rev"]
depotPath = path + "#" + rev
log = p4CmdList("filelog \"%s\"" % depotPath)
if len(log) != 1:
print "eek! I got confused by the filelog of %s" % depotPath
sys.exit(1);
log = log[0]
if log["action0"] != action:
print "eek! wrong action in filelog for %s : found %s, expected %s" % (depotPath, log["action0"], action)
sys.exit(1);
branchAction = log["how0,0"]
# if branchAction == "branch into" or branchAction == "ignored":
# continue # ignore for branching
if not branchAction.endswith(" from"):
continue # ignore for branching
# print "eek! file %s was not branched from but instead: %s" % (depotPath, branchAction)
# sys.exit(1);
source = log["file0,0"]
if source.startswith(branchPrefix):
continue
lastSourceRev = log["erev0,0"]
sourceLog = p4CmdList("filelog -m 1 \"%s%s\"" % (source, lastSourceRev))
if len(sourceLog) != 1:
print "eek! I got confused by the source filelog of %s%s" % (source, lastSourceRev)
sys.exit(1);
sourceLog = sourceLog[0]
relPath = source[len(self.globalPrefix):]
# strip off the filename
relPath = relPath[0:relPath.rfind("/")]
for branch in self.knownBranches:
if self.isSubPathOf(relPath, branch):
# print "determined parent branch branch %s due to change in file %s" % (branch, source)
return branch
# else:
# print "%s is not a subpath of branch %s" % (relPath, branch)
return ""
def commit(self, details, files, branch, branchPrefix, parent = "", merged = ""):
epoch = details["time"]
author = details["user"]
self.gitStream.write("commit %s\n" % branch)
# gitStream.write("mark :%s\n" % details["change"])
self.committedChanges.add(int(details["change"]))
committer = ""
if author in self.users:
committer = "%s %s %s" % (self.users[author], epoch, self.tz)
else:
committer = "%s <a@b> %s %s" % (author, epoch, self.tz)
self.gitStream.write("committer %s\n" % committer)
self.gitStream.write("data <<EOT\n")
self.gitStream.write(details["desc"])
self.gitStream.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix, details["change"]))
self.gitStream.write("EOT\n\n")
if len(parent) > 0:
self.gitStream.write("from %s\n" % parent)
if len(merged) > 0:
self.gitStream.write("merge %s\n" % merged)
for file in files:
path = file["path"]
if not path.startswith(branchPrefix):
# if not silent:
# print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
continue
rev = file["rev"]
depotPath = path + "#" + rev
relPath = path[len(branchPrefix):]
action = file["action"]
if file["type"] == "apple":
print "\nfile %s is a strange apple file that forks. Ignoring!" % path
continue
if action == "delete":
self.gitStream.write("D %s\n" % relPath)
else:
mode = 644
if file["type"].startswith("x"):
mode = 755
data = self.p4File(depotPath)
self.gitStream.write("M %s inline %s\n" % (mode, relPath))
self.gitStream.write("data %s\n" % len(data))
self.gitStream.write(data)
self.gitStream.write("\n")
self.gitStream.write("\n")
change = int(details["change"])
self.lastChange = change
if change in self.labels:
label = self.labels[change]
labelDetails = label[0]
labelRevisions = label[1]
files = p4CmdList("files %s...@%s" % (branchPrefix, change))
if len(files) == len(labelRevisions):
cleanedFiles = {}
for info in files:
if info["action"] == "delete":
continue
cleanedFiles[info["depotFile"]] = info["rev"]
if cleanedFiles == labelRevisions:
self.gitStream.write("tag tag_%s\n" % labelDetails["label"])
self.gitStream.write("from %s\n" % branch)
owner = labelDetails["Owner"]
tagger = ""
if author in self.users:
tagger = "%s %s %s" % (self.users[owner], epoch, self.tz)
else:
tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz)
self.gitStream.write("tagger %s\n" % tagger)
self.gitStream.write("data <<EOT\n")
self.gitStream.write(labelDetails["Description"])
self.gitStream.write("EOT\n\n")
else:
if not self.silent:
print "Tag %s does not match with change %s: files do not match." % (labelDetails["label"], change)
else:
if not self.silent:
print "Tag %s does not match with change %s: file count is different." % (labelDetails["label"], change)
def extractFilesInCommitToBranch(self, files, branchPrefix):
newFiles = []
for file in files:
path = file["path"]
if path.startswith(branchPrefix):
newFiles.append(file)
return newFiles
def findBranchSourceHeuristic(self, files, branch, branchPrefix):
for file in files:
action = file["action"]
if action != "integrate" and action != "branch":
continue
path = file["path"]
rev = file["rev"]
depotPath = path + "#" + rev
log = p4CmdList("filelog \"%s\"" % depotPath)
if len(log) != 1:
print "eek! I got confused by the filelog of %s" % depotPath
sys.exit(1);
log = log[0]
if log["action0"] != action:
print "eek! wrong action in filelog for %s : found %s, expected %s" % (depotPath, log["action0"], action)
sys.exit(1);
branchAction = log["how0,0"]
if not branchAction.endswith(" from"):
continue # ignore for branching
# print "eek! file %s was not branched from but instead: %s" % (depotPath, branchAction)
# sys.exit(1);
source = log["file0,0"]
if source.startswith(branchPrefix):
continue
lastSourceRev = log["erev0,0"]
sourceLog = p4CmdList("filelog -m 1 \"%s%s\"" % (source, lastSourceRev))
if len(sourceLog) != 1:
print "eek! I got confused by the source filelog of %s%s" % (source, lastSourceRev)
sys.exit(1);
sourceLog = sourceLog[0]
relPath = source[len(self.globalPrefix):]
# strip off the filename
relPath = relPath[0:relPath.rfind("/")]
for candidate in self.knownBranches:
if self.isSubPathOf(relPath, candidate) and candidate != branch:
return candidate
return ""
def changeIsBranchMerge(self, sourceBranch, destinationBranch, change):
sourceFiles = {}
for file in p4CmdList("files %s...@%s" % (self.globalPrefix + sourceBranch + "/", change)):
if file["action"] == "delete":
continue
sourceFiles[file["depotFile"]] = file
destinationFiles = {}
for file in p4CmdList("files %s...@%s" % (self.globalPrefix + destinationBranch + "/", change)):
destinationFiles[file["depotFile"]] = file
for fileName in sourceFiles.keys():
integrations = []
deleted = False
integrationCount = 0
for integration in p4CmdList("integrated \"%s\"" % fileName):
toFile = integration["fromFile"] # yes, it's true, it's fromFile
if not toFile in destinationFiles:
continue
destFile = destinationFiles[toFile]
if destFile["action"] == "delete":
# print "file %s has been deleted in %s" % (fileName, toFile)
deleted = True
break
integrationCount += 1
if integration["how"] == "branch from":
continue
if int(integration["change"]) == change:
integrations.append(integration)
continue
if int(integration["change"]) > change:
continue
destRev = int(destFile["rev"])
startRev = integration["startFromRev"][1:]
if startRev == "none":
startRev = 0
else:
startRev = int(startRev)
endRev = integration["endFromRev"][1:]
if endRev == "none":
endRev = 0
else:
endRev = int(endRev)
initialBranch = (destRev == 1 and integration["how"] != "branch into")
inRange = (destRev >= startRev and destRev <= endRev)
newer = (destRev > startRev and destRev > endRev)
if initialBranch or inRange or newer:
integrations.append(integration)
if deleted:
continue
if len(integrations) == 0 and integrationCount > 1:
print "file %s was not integrated from %s into %s" % (fileName, sourceBranch, destinationBranch)
return False
return True
def getUserMap(self):
self.users = {}
for output in p4CmdList("users"):
if not output.has_key("User"):
continue
self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
def getLabels(self):
self.labels = {}
l = p4CmdList("labels %s..." % self.globalPrefix)
if len(l) > 0 and not silent:
print "Finding files belonging to labels in %s" % self.globalPrefix
for output in l:
label = output["label"]
revisions = {}
newestChange = 0
for file in p4CmdList("files //...@%s" % label):
revisions[file["depotFile"]] = file["rev"]
change = int(file["change"])
if change > newestChange:
newestChange = change
self.labels[newestChange] = [output, revisions]
def run(self, args):
self.globalPrefix = ""
self.changeRange = ""
self.initialParent = ""
if len(self.branch) == 0:
self.branch = "p4"
if len(args) == 0:
if not gitBranchExists(self.branch) and gitBranchExists("origin"):
if not self.silent:
print "Creating %s branch in git repository based on origin" % self.branch
system("git branch %s origin" % self.branch)
[self.previousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(self.branch))
if len(self.previousDepotPath) > 0 and len(p4Change) > 0:
p4Change = int(p4Change) + 1
self.globalPrefix = self.previousDepotPath
self.changeRange = "@%s,#head" % p4Change
self.initialParent = self.branch
self.tagLastChange = False
if not self.silent:
print "Performing incremental import into %s git branch" % self.branch
self.branch = "refs/heads/" + self.branch
if len(self.globalPrefix) == 0:
self.globalPrefix = self.previousDepotPath = os.popen("git repo-config --get p4.depotpath").read()
if len(self.globalPrefix) != 0:
self.globalPrefix = self.globalPrefix[:-1]
if len(args) == 0 and len(self.globalPrefix) != 0:
if not self.silent:
print "Depot path: %s" % self.globalPrefix
elif len(args) != 1:
return False
else:
if len(self.globalPrefix) != 0 and self.globalPrefix != args[0]:
print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self.globalPrefix, args[0])
sys.exit(1)
self.globalPrefix = args[0]
self.revision = ""
self.users = {}
self.lastChange = 0
self.initialTag = ""
if self.globalPrefix.find("@") != -1:
atIdx = self.globalPrefix.index("@")
self.changeRange = self.globalPrefix[atIdx:]
if self.changeRange == "@all":
self.changeRange = ""
elif self.changeRange.find(",") == -1:
self.revision = self.changeRange
self.changeRange = ""
self.globalPrefix = self.globalPrefix[0:atIdx]
elif self.globalPrefix.find("#") != -1:
hashIdx = self.globalPrefix.index("#")
self.revision = self.globalPrefix[hashIdx:]
self.globalPrefix = self.globalPrefix[0:hashIdx]
elif len(self.previousDepotPath) == 0:
self.revision = "#head"
if self.globalPrefix.endswith("..."):
self.globalPrefix = self.globalPrefix[:-3]
if not self.globalPrefix.endswith("/"):
self.globalPrefix += "/"
self.getUserMap()
self.labels = {}
if self.detectLabels:
self.getLabels();
if len(self.changeRange) == 0:
try:
sout, sin, serr = popen2.popen3("git name-rev --tags `git rev-parse %s`" % self.branch)
output = sout.read()
if output.endswith("\n"):
output = output[:-1]
tagIdx = output.index(" tags/p4/")
caretIdx = output.find("^")
endPos = len(output)
if caretIdx != -1:
endPos = caretIdx
self.rev = int(output[tagIdx + 9 : endPos]) + 1
self.changeRange = "@%s,#head" % self.rev
self.initialParent = os.popen("git rev-parse %s" % self.branch).read()[:-1]
self.initialTag = "p4/%s" % (int(self.rev) - 1)
except:
pass
self.tz = - time.timezone / 36
tzsign = ("%s" % self.tz)[0]
if tzsign != '+' and tzsign != '-':
self.tz = "+" + ("%s" % self.tz)
self.gitOutput, self.gitStream, self.gitError = popen2.popen3("git fast-import")
if len(self.revision) > 0:
print "Doing initial import of %s from revision %s" % (self.globalPrefix, self.revision)
details = { "user" : "git perforce import user", "time" : int(time.time()) }
details["desc"] = "Initial import of %s from the state at revision %s" % (self.globalPrefix, self.revision)
details["change"] = self.revision
newestRevision = 0
fileCnt = 0
for info in p4CmdList("files %s...%s" % (self.globalPrefix, self.revision)):
change = int(info["change"])
if change > newestRevision:
newestRevision = change
if info["action"] == "delete":
# don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
#fileCnt = fileCnt + 1
continue
for prop in [ "depotFile", "rev", "action", "type" ]:
details["%s%s" % (prop, fileCnt)] = info[prop]
fileCnt = fileCnt + 1
details["change"] = newestRevision
try:
self.commit(details, self.extractFilesFromCommit(details), self.branch, self.globalPrefix)
except IOError:
print self.gitError.read()
else:
changes = []
if len(self.changesFile) > 0:
output = open(self.changesFile).readlines()
changeSet = Set()
for line in output:
changeSet.add(int(line))
for change in changeSet:
changes.append(change)
changes.sort()
else:
output = os.popen("p4 changes %s...%s" % (self.globalPrefix, self.changeRange)).readlines()
for line in output:
changeNum = line.split(" ")[1]
changes.append(changeNum)
changes.reverse()
if len(changes) == 0:
if not self.silent:
print "no changes to import!"
return True
cnt = 1
for change in changes:
description = p4Cmd("describe %s" % change)
if not self.silent:
sys.stdout.write("\rimporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
sys.stdout.flush()
cnt = cnt + 1
try:
files = self.extractFilesFromCommit(description)
if self.detectBranches:
for branch in self.branchesForCommit(files):
self.knownBranches.add(branch)
branchPrefix = self.globalPrefix + branch + "/"
filesForCommit = self.extractFilesInCommitToBranch(files, branchPrefix)
merged = ""
parent = ""
########### remove cnt!!!
if branch not in self.createdBranches and cnt > 2:
self.createdBranches.add(branch)
parent = self.findBranchParent(branchPrefix, files)
if parent == branch:
parent = ""
# elif len(parent) > 0:
# print "%s branched off of %s" % (branch, parent)
if len(parent) == 0:
merged = self.findBranchSourceHeuristic(filesForCommit, branch, branchPrefix)
if len(merged) > 0:
print "change %s could be a merge from %s into %s" % (description["change"], merged, branch)
if not self.changeIsBranchMerge(merged, branch, int(description["change"])):
merged = ""
branch = "refs/heads/" + branch
if len(parent) > 0:
parent = "refs/heads/" + parent
if len(merged) > 0:
merged = "refs/heads/" + merged
self.commit(description, files, branch, branchPrefix, parent, merged)
else:
self.commit(description, files, self.branch, self.globalPrefix, self.initialParent)
self.initialParent = ""
except IOError:
print self.gitError.read()
sys.exit(1)
if not self.silent:
print ""
if self.tagLastChange:
self.gitStream.write("reset refs/tags/p4/%s\n" % self.lastChange)
self.gitStream.write("from %s\n\n" % self.branch);
self.gitStream.close()
self.gitOutput.close()
self.gitError.close()
os.popen("git repo-config p4.depotpath %s" % self.globalPrefix).read()
if len(self.initialTag) > 0:
os.popen("git tag -d %s" % self.initialTag).read()
return True
class P4Rebase(Command):
def __init__(self):
Command.__init__(self)
self.options = [ ]
self.description = "Fetches the latest revision from perforce and rebases the current work (branch) against it"
def run(self, args):
sync = P4Sync()
sync.run([])
print "Rebasing the current branch"
oldHead = os.popen("git rev-parse HEAD").read()[:-1]
system("git rebase p4")
system("git diff-tree --stat --summary -M %s HEAD" % oldHead)
return True
class P4Clone(P4Sync):
def __init__(self):
P4Sync.__init__(self)
self.description = "Creates a new git repository and imports from Perforce into it"
self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]"
self.needsGit = False
self.tagLastChange = False
def run(self, args):
if len(args) < 1:
return False
depotPath = args[0]
dir = ""
if len(args) == 2:
dir = args[1]
elif len(args) > 2:
return False
if not depotPath.startswith("//"):
return False
if len(dir) == 0:
dir = depotPath
atPos = dir.rfind("@")
if atPos != -1:
dir = dir[0:atPos]
hashPos = dir.rfind("#")
if hashPos != -1:
dir = dir[0:hashPos]
if dir.endswith("..."):
dir = dir[:-3]
if dir.endswith("/"):
dir = dir[:-1]
slashPos = dir.rfind("/")
if slashPos != -1:
dir = dir[slashPos + 1:]
print "Importing from %s into %s" % (depotPath, dir)
os.makedirs(dir)
os.chdir(dir)
system("git init")
if not P4Sync.run(self, [depotPath]):
return False
os.wait()
if self.branch != "master":
system("git branch master p4")
system("git checkout -f")
return True
class HelpFormatter(optparse.IndentedHelpFormatter):
def __init__(self):
optparse.IndentedHelpFormatter.__init__(self)
def format_description(self, description):
if description:
return description + "\n"
else:
return ""
def printUsage(commands):
print "usage: %s <command> [options]" % sys.argv[0]
print ""
print "valid commands: %s" % ", ".join(commands)
print ""
print "Try %s <command> --help for command specific help." % sys.argv[0]
print ""
commands = {
"debug" : P4Debug(),
"clean-tags" : P4CleanTags(),
"submit" : P4Submit(),
"sync" : P4Sync(),
"rebase" : P4Rebase(),
"clone" : P4Clone()
}
if len(sys.argv[1:]) == 0:
printUsage(commands.keys())
sys.exit(2)
cmd = ""
cmdName = sys.argv[1]
try:
cmd = commands[cmdName]
except KeyError:
print "unknown command %s" % cmdName
print ""
printUsage(commands.keys())
sys.exit(2)
options = cmd.options
cmd.gitdir = gitdir
args = sys.argv[2:]
if len(options) > 0:
options.append(optparse.make_option("--git-dir", dest="gitdir"))
parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName),
options,
description = cmd.description,
formatter = HelpFormatter())
(cmd, args) = parser.parse_args(sys.argv[2:], cmd);
if cmd.needsGit:
gitdir = cmd.gitdir
if len(gitdir) == 0:
gitdir = ".git"
if not isValidGitDir(gitdir):
cdup = os.popen("git rev-parse --show-cdup").read()[:-1]
if isValidGitDir(cdup + "/" + gitdir):
os.chdir(cdup)
if not isValidGitDir(gitdir):
if isValidGitDir(gitdir + "/.git"):
gitdir += "/.git"
else:
die("fatal: cannot locate git repository at %s" % gitdir)
os.environ["GIT_DIR"] = gitdir
if not cmd.run(args):
parser.print_help()