git-commit-vandalism/contrib/fast-import/git-p4
Simon Hausmann 1c9d393d30 Removed ancient and unused code to find the last imported revision from previous imports
to use for the current import by looking at the p4 tags. The current approach of using
the log message works better.

Signed-off-by: Simon Hausmann <simon@lst.de>
2007-05-17 20:15:47 +02:00

1166 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>
#
# TODO: Add an option to sync/rebase to fetch and rebase from origin first.
#
import optparse, sys, os, marshal, popen2, subprocess, shelve
import tempfile, getopt, sha, os.path, time, platform
from sets import Set;
gitdir = os.environ.get("GIT_DIR", "")
def mypopen(command):
return os.popen(command, "rb");
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 mypopen("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 parseRevision(ref):
return mypopen("git rev-parse %s" % ref).read()[:-1]
def system(cmd):
if os.system(cmd) != 0:
die("command failed: %s" % cmd)
def extractLogMessageFromGitCommit(commit):
logMessage = ""
foundTitle = False
for log in mypopen("git cat-file commit %s" % commit).readlines():
if not foundTitle:
if len(log) == 1:
foundTitle = True
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):
proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE);
return proc.wait() == 0;
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 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"),
]
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.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\nIf you want to start submitting again from scratch maybe you want to call git-p4 submit --reset" % self.configFile)
commits = []
for line in mypopen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
commits.append(line[:-1])
commits.reverse()
self.config["commits"] = commits
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" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
diff = mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
filesToAdd = set()
filesToDelete = set()
editedFiles = set()
for line in diff:
modifier = line[0]
path = line[1:].strip()
if modifier == "M":
system("p4 edit \"%s\"" % path)
editedFiles.add(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))
diffcmd = "git diff-tree -p --diff-filter=ACMRTUXB \"%s^\" \"%s\"" % (id, id)
patchcmd = diffcmd + " | patch -p1"
if os.system(patchcmd + " --dry-run --silent") != 0:
print "Unfortunately applying the change failed!"
print "What do you want to do?"
response = "x"
while response != "s" and response != "a" and response != "w":
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) ")
if response == "s":
print "Skipping! Good luck with the next patches..."
return
elif response == "a":
os.system(patchcmd)
if len(filesToAdd) > 0:
print "You may also want to call p4 add on the following files:"
print " ".join(filesToAdd)
if len(filesToDelete):
print "The following files should be scheduled for deletion with p4 delete:"
print " ".join(filesToDelete)
die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
elif response == "w":
system(diffcmd + " > patch.txt")
print "Patch saved to patch.txt in %s !" % self.clientPath
die("Please resolve and submit the conflict manually and continue afterwards with git-p4 submit --continue")
system(patchcmd)
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 = mypopen("p4 change -o").read()
if self.interactive:
submitTemplate = self.prepareLogMessage(template, logMessage)
diff = mypopen("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 #######"
if platform.system() == "Windows":
separatorLine += "\r"
separatorLine += "\n"
response = "e"
firstIteration = True
while response == "e":
if not firstIteration:
response = raw_input("Do you want to submit this change? [y]es/[e]dit/[n]o/[s]kip ")
firstIteration = False
if response == "e":
[handle, fileName] = tempfile.mkstemp()
tmpFile = os.fdopen(handle, "w+")
tmpFile.write(submitTemplate + separatorLine + diff)
tmpFile.close()
defaultEditor = "vi"
if platform.system() == "Windows":
defaultEditor = "notepad"
editor = os.environ.get("EDITOR", defaultEditor);
system(editor + " " + fileName)
tmpFile = open(fileName, "rb")
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", "wb")
pipe.write(submitTemplate)
pipe.close()
elif response == "s":
for f in editedFiles:
system("p4 revert \"%s\"" % f);
for f in filesToAdd:
system("p4 revert \"%s\"" % f);
system("rm %s" %f)
for f in filesToDelete:
system("p4 delete \"%s\"" % f);
return
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)
self.clientPath = p4Where(depotPath)
if len(self.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, self.clientPath)
oldWorkingDirectory = os.getcwd()
os.chdir(self.clientPath)
response = raw_input("Do you want to sync %s with p4 sync? [y]es/[n]o " % self.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!"
response = raw_input("Do you want to sync from Perforce now using git-p4 rebase? [y]es/[n]o ")
if response == "y" or response == "yes":
os.chdir(oldWorkingDirectory)
rebase = P4Rebase()
rebase.run([])
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 = ""
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.depotPath):
# if not self.silent:
# print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, 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.depotPath):]
# 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.depotPath):]
# 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.depotPath):]
# 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.depotPath + sourceBranch + "/", change)):
if file["action"] == "delete":
continue
sourceFiles[file["depotFile"]] = file
destinationFiles = {}
for file in p4CmdList("files %s...@%s" % (self.depotPath + 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.depotPath)
if len(l) > 0 and not self.silent:
print "Finding files belonging to labels in %s" % self.depotPath
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.depotPath = ""
self.changeRange = ""
self.initialParent = ""
self.previousDepotPath = ""
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.depotPath = self.previousDepotPath
self.changeRange = "@%s,#head" % p4Change
self.initialParent = parseRevision(self.branch)
if not self.silent:
print "Performing incremental import into %s git branch" % self.branch
if not self.branch.startswith("refs/"):
self.branch = "refs/heads/" + self.branch
if len(self.depotPath) != 0:
self.depotPath = self.depotPath[:-1]
if len(args) == 0 and len(self.depotPath) != 0:
if not self.silent:
print "Depot path: %s" % self.depotPath
elif len(args) != 1:
return False
else:
if len(self.depotPath) != 0 and self.depotPath != args[0]:
print "previous import used depot path %s and now %s was specified. this doesn't work!" % (self.depotPath, args[0])
sys.exit(1)
self.depotPath = args[0]
self.revision = ""
self.users = {}
self.lastChange = 0
if self.depotPath.find("@") != -1:
atIdx = self.depotPath.index("@")
self.changeRange = self.depotPath[atIdx:]
if self.changeRange == "@all":
self.changeRange = ""
elif self.changeRange.find(",") == -1:
self.revision = self.changeRange
self.changeRange = ""
self.depotPath = self.depotPath[0:atIdx]
elif self.depotPath.find("#") != -1:
hashIdx = self.depotPath.index("#")
self.revision = self.depotPath[hashIdx:]
self.depotPath = self.depotPath[0:hashIdx]
elif len(self.previousDepotPath) == 0:
self.revision = "#head"
if self.depotPath.endswith("..."):
self.depotPath = self.depotPath[:-3]
if not self.depotPath.endswith("/"):
self.depotPath += "/"
self.getUserMap()
self.labels = {}
if self.detectLabels:
self.getLabels();
self.tz = "%+03d%02d" % (- time.timezone / 3600, ((- time.timezone % 3600) / 60))
importProcess = subprocess.Popen(["git", "fast-import"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE);
self.gitOutput = importProcess.stdout
self.gitStream = importProcess.stdin
self.gitError = importProcess.stderr
if len(self.revision) > 0:
print "Doing initial import of %s from revision %s" % (self.depotPath, 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.depotPath, self.revision)
details["change"] = self.revision
newestRevision = 0
fileCnt = 0
for info in p4CmdList("files %s...%s" % (self.depotPath, 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.depotPath)
except IOError:
print "IO error with git fast-import. Is your git version recent enough?"
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 = mypopen("p4 changes %s...%s" % (self.depotPath, 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.depotPath + 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.depotPath, self.initialParent)
self.initialParent = ""
except IOError:
print self.gitError.read()
sys.exit(1)
if not self.silent:
print ""
self.gitStream.close()
self.gitOutput.close()
self.gitError.close()
importProcess.wait()
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 = mypopen("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
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
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(),
"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):
gitdir = mypopen("git rev-parse --git-dir").read()[:-1]
if os.path.exists(gitdir):
cdup = mypopen("git rev-parse --show-cdup").read()[:-1];
if len(cdup) > 0:
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()