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+#!/usr/bin/env python
+#
+# git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
+#
+# Author: Simon Hausmann <simon@lst.de>
+# Copyright: 2007 Simon Hausmann <simon@lst.de>
+# 2007 Trolltech ASA
+# License: MIT <http://www.opensource.org/licenses/mit-license.php>
+#
+
+import optparse, sys, os, marshal, popen2, subprocess, shelve
+import tempfile, getopt, sha, os.path, time, platform
+import re
+
+from sets import Set;
+
+verbose = False
+
+def die(msg):
+ if verbose:
+ raise Exception(msg)
+ else:
+ sys.stderr.write(msg + "\n")
+ sys.exit(1)
+
+def write_pipe(c, str):
+ if verbose:
+ sys.stderr.write('Writing pipe: %s\n' % c)
+
+ pipe = os.popen(c, 'w')
+ val = pipe.write(str)
+ if pipe.close():
+ die('Command failed: %s' % c)
+
+ return val
+
+def read_pipe(c, ignore_error=False):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % c)
+
+ pipe = os.popen(c, 'rb')
+ val = pipe.read()
+ if pipe.close() and not ignore_error:
+ die('Command failed: %s' % c)
+
+ return val
+
+
+def read_pipe_lines(c):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % c)
+ ## todo: check return status
+ pipe = os.popen(c, 'rb')
+ val = pipe.readlines()
+ if pipe.close():
+ die('Command failed: %s' % c)
+
+ return val
+
+def system(cmd):
+ if verbose:
+ sys.stderr.write("executing %s\n" % cmd)
+ if os.system(cmd) != 0:
+ die("command failed: %s" % cmd)
+
+def isP4Exec(kind):
+ """Determine if a Perforce 'kind' should have execute permission
+
+ 'p4 help filetypes' gives a list of the types. If it starts with 'x',
+ or x follows one of a few letters. Otherwise, if there is an 'x' after
+ a plus sign, it is also executable"""
+ return (re.search(r"(^[cku]?x)|\+.*x", kind) != None)
+
+def setP4ExecBit(file, mode):
+ # Reopens an already open file and changes the execute bit to match
+ # the execute bit setting in the passed in mode.
+
+ p4Type = "+x"
+
+ if not isModeExec(mode):
+ p4Type = getP4OpenedType(file)
+ p4Type = re.sub('^([cku]?)x(.*)', '\\1\\2', p4Type)
+ p4Type = re.sub('(.*?\+.*?)x(.*?)', '\\1\\2', p4Type)
+ if p4Type[-1] == "+":
+ p4Type = p4Type[0:-1]
+
+ system("p4 reopen -t %s %s" % (p4Type, file))
+
+def getP4OpenedType(file):
+ # Returns the perforce file type for the given file.
+
+ result = read_pipe("p4 opened %s" % file)
+ match = re.match(".*\((.+)\)\r?$", result)
+ if match:
+ return match.group(1)
+ else:
+ die("Could not determine file type for %s (result: '%s')" % (file, result))
+
+def diffTreePattern():
+ # This is a simple generator for the diff tree regex pattern. This could be
+ # a class variable if this and parseDiffTreeEntry were a part of a class.
+ pattern = re.compile(':(\d+) (\d+) (\w+) (\w+) ([A-Z])(\d+)?\t(.*?)((\t(.*))|$)')
+ while True:
+ yield pattern
+
+def parseDiffTreeEntry(entry):
+ """Parses a single diff tree entry into its component elements.
+
+ See git-diff-tree(1) manpage for details about the format of the diff
+ output. This method returns a dictionary with the following elements:
+
+ src_mode - The mode of the source file
+ dst_mode - The mode of the destination file
+ src_sha1 - The sha1 for the source file
+ dst_sha1 - The sha1 fr the destination file
+ status - The one letter status of the diff (i.e. 'A', 'M', 'D', etc)
+ status_score - The score for the status (applicable for 'C' and 'R'
+ statuses). This is None if there is no score.
+ src - The path for the source file.
+ dst - The path for the destination file. This is only present for
+ copy or renames. If it is not present, this is None.
+
+ If the pattern is not matched, None is returned."""
+
+ match = diffTreePattern().next().match(entry)
+ if match:
+ return {
+ 'src_mode': match.group(1),
+ 'dst_mode': match.group(2),
+ 'src_sha1': match.group(3),
+ 'dst_sha1': match.group(4),
+ 'status': match.group(5),
+ 'status_score': match.group(6),
+ 'src': match.group(7),
+ 'dst': match.group(10)
+ }
+ return None
+
+def isModeExec(mode):
+ # Returns True if the given git mode represents an executable file,
+ # otherwise False.
+ return mode[-3:] == "755"
+
+def isModeExecChanged(src_mode, dst_mode):
+ return isModeExec(src_mode) != isModeExec(dst_mode)
+
+def p4CmdList(cmd, stdin=None, stdin_mode='w+b'):
+ cmd = "p4 -G %s" % cmd
+ if verbose:
+ sys.stderr.write("Opening pipe: %s\n" % cmd)
+
+ # Use a temporary file to avoid deadlocks without
+ # subprocess.communicate(), which would put another copy
+ # of stdout into memory.
+ stdin_file = None
+ if stdin is not None:
+ stdin_file = tempfile.TemporaryFile(prefix='p4-stdin', mode=stdin_mode)
+ stdin_file.write(stdin)
+ stdin_file.flush()
+ stdin_file.seek(0)
+
+ p4 = subprocess.Popen(cmd, shell=True,
+ stdin=stdin_file,
+ stdout=subprocess.PIPE)
+
+ result = []
+ try:
+ while True:
+ entry = marshal.load(p4.stdout)
+ result.append(entry)
+ except EOFError:
+ pass
+ exitCode = p4.wait()
+ if exitCode != 0:
+ entry = {}
+ entry["p4ExitCode"] = exitCode
+ result.append(entry)
+
+ 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)
+ if output["code"] == "error":
+ return ""
+ 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 currentGitBranch():
+ return read_pipe("git name-rev HEAD").split(" ")[1].strip()
+
+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 read_pipe("git rev-parse %s" % ref).strip()
+
+def extractLogMessageFromGitCommit(commit):
+ logMessage = ""
+
+ ## fixme: title is first line of commit, not 1st paragraph.
+ foundTitle = False
+ for log in read_pipe_lines("git cat-file commit %s" % commit):
+ if not foundTitle:
+ if len(log) == 1:
+ foundTitle = True
+ continue
+
+ logMessage += log
+ return logMessage
+
+def extractSettingsGitLog(log):
+ values = {}
+ for line in log.split("\n"):
+ line = line.strip()
+ m = re.search (r"^ *\[git-p4: (.*)\]$", line)
+ if not m:
+ continue
+
+ assignments = m.group(1).split (':')
+ for a in assignments:
+ vals = a.split ('=')
+ key = vals[0].strip()
+ val = ('='.join (vals[1:])).strip()
+ if val.endswith ('\"') and val.startswith('"'):
+ val = val[1:-1]
+
+ values[key] = val
+
+ paths = values.get("depot-paths")
+ if not paths:
+ paths = values.get("depot-path")
+ if paths:
+ values['depot-paths'] = paths.split(',')
+ return values
+
+def gitBranchExists(branch):
+ proc = subprocess.Popen(["git", "rev-parse", branch],
+ stderr=subprocess.PIPE, stdout=subprocess.PIPE);
+ return proc.wait() == 0;
+
+def gitConfig(key):
+ return read_pipe("git config %s" % key, ignore_error=True).strip()
+
+def p4BranchesInGit(branchesAreInRemotes = True):
+ branches = {}
+
+ cmdline = "git rev-parse --symbolic "
+ if branchesAreInRemotes:
+ cmdline += " --remotes"
+ else:
+ cmdline += " --branches"
+
+ for line in read_pipe_lines(cmdline):
+ line = line.strip()
+
+ ## only import to p4/
+ if not line.startswith('p4/') or line == "p4/HEAD":
+ continue
+ branch = line
+
+ # strip off p4
+ branch = re.sub ("^p4/", "", line)
+
+ branches[branch] = parseRevision(line)
+ return branches
+
+def findUpstreamBranchPoint(head = "HEAD"):
+ branches = p4BranchesInGit()
+ # map from depot-path to branch name
+ branchByDepotPath = {}
+ for branch in branches.keys():
+ tip = branches[branch]
+ log = extractLogMessageFromGitCommit(tip)
+ settings = extractSettingsGitLog(log)
+ if settings.has_key("depot-paths"):
+ paths = ",".join(settings["depot-paths"])
+ branchByDepotPath[paths] = "remotes/p4/" + branch
+
+ settings = None
+ parent = 0
+ while parent < 65535:
+ commit = head + "~%s" % parent
+ log = extractLogMessageFromGitCommit(commit)
+ settings = extractSettingsGitLog(log)
+ if settings.has_key("depot-paths"):
+ paths = ",".join(settings["depot-paths"])
+ if branchByDepotPath.has_key(paths):
+ return [branchByDepotPath[paths], settings]
+
+ parent = parent + 1
+
+ return ["", settings]
+
+def createOrUpdateBranchesFromOrigin(localRefPrefix = "refs/remotes/p4/", silent=True):
+ if not silent:
+ print ("Creating/updating branch(es) in %s based on origin branch(es)"
+ % localRefPrefix)
+
+ originPrefix = "origin/p4/"
+
+ for line in read_pipe_lines("git rev-parse --symbolic --remotes"):
+ line = line.strip()
+ if (not line.startswith(originPrefix)) or line.endswith("HEAD"):
+ continue
+
+ headName = line[len(originPrefix):]
+ remoteHead = localRefPrefix + headName
+ originHead = line
+
+ original = extractSettingsGitLog(extractLogMessageFromGitCommit(originHead))
+ if (not original.has_key('depot-paths')
+ or not original.has_key('change')):
+ continue
+
+ update = False
+ if not gitBranchExists(remoteHead):
+ if verbose:
+ print "creating %s" % remoteHead
+ update = True
+ else:
+ settings = extractSettingsGitLog(extractLogMessageFromGitCommit(remoteHead))
+ if settings.has_key('change') > 0:
+ if settings['depot-paths'] == original['depot-paths']:
+ originP4Change = int(original['change'])
+ p4Change = int(settings['change'])
+ if originP4Change > p4Change:
+ print ("%s (%s) is newer than %s (%s). "
+ "Updating p4 branch from origin."
+ % (originHead, originP4Change,
+ remoteHead, p4Change))
+ update = True
+ else:
+ print ("Ignoring: %s was imported from %s while "
+ "%s was imported from %s"
+ % (originHead, ','.join(original['depot-paths']),
+ remoteHead, ','.join(settings['depot-paths'])))
+
+ if update:
+ system("git update-ref %s %s" % (remoteHead, originHead))
+
+def originP4BranchesExist():
+ return gitBranchExists("origin") or gitBranchExists("origin/p4") or gitBranchExists("origin/p4/master")
+
+def p4ChangesForPaths(depotPaths, changeRange):
+ assert depotPaths
+ output = read_pipe_lines("p4 changes " + ' '.join (["%s...%s" % (p, changeRange)
+ for p in depotPaths]))
+
+ changes = []
+ for line in output:
+ changeNum = line.split(" ")[1]
+ changes.append(int(changeNum))
+
+ changes.sort()
+ return changes
+
+class Command:
+ def __init__(self):
+ self.usage = "usage: %prog [options]"
+ self.needsGit = True
+
+class P4Debug(Command):
+ def __init__(self):
+ Command.__init__(self)
+ self.options = [
+ optparse.make_option("--verbose", dest="verbose", action="store_true",
+ default=False),
+ ]
+ self.description = "A tool to debug the output of p4 -G."
+ self.needsGit = False
+ self.verbose = False
+
+ def run(self, args):
+ j = 0
+ for output in p4CmdList(" ".join(args)):
+ print 'Element: %d' % j
+ j += 1
+ print output
+ return True
+
+class P4RollBack(Command):
+ def __init__(self):
+ Command.__init__(self)
+ self.options = [
+ optparse.make_option("--verbose", dest="verbose", action="store_true"),
+ optparse.make_option("--local", dest="rollbackLocalBranches", action="store_true")
+ ]
+ self.description = "A tool to debug the multi-branch import. Don't use :)"
+ self.verbose = False
+ self.rollbackLocalBranches = False
+
+ def run(self, args):
+ if len(args) != 1:
+ return False
+ maxChange = int(args[0])
+
+ if "p4ExitCode" in p4Cmd("changes -m 1"):
+ die("Problems executing p4");
+
+ if self.rollbackLocalBranches:
+ refPrefix = "refs/heads/"
+ lines = read_pipe_lines("git rev-parse --symbolic --branches")
+ else:
+ refPrefix = "refs/remotes/"
+ lines = read_pipe_lines("git rev-parse --symbolic --remotes")
+
+ for line in lines:
+ if self.rollbackLocalBranches or (line.startswith("p4/") and line != "p4/HEAD\n"):
+ line = line.strip()
+ ref = refPrefix + line
+ log = extractLogMessageFromGitCommit(ref)
+ settings = extractSettingsGitLog(log)
+
+ depotPaths = settings['depot-paths']
+ change = settings['change']
+
+ changed = False
+
+ if len(p4Cmd("changes -m 1 " + ' '.join (['%s...@%s' % (p, maxChange)
+ for p in depotPaths]))) == 0:
+ print "Branch %s did not exist at change %s, deleting." % (ref, maxChange)
+ system("git update-ref -d %s `git rev-parse %s`" % (ref, ref))
+ continue
+
+ while change and int(change) > maxChange:
+ changed = True
+ if self.verbose:
+ print "%s is at %s ; rewinding towards %s" % (ref, change, maxChange)
+ system("git update-ref %s \"%s^\"" % (ref, ref))
+ log = extractLogMessageFromGitCommit(ref)
+ settings = extractSettingsGitLog(log)
+
+
+ depotPaths = settings['depot-paths']
+ change = settings['change']
+
+ if changed:
+ print "%s rewound to %s" % (ref, change)
+
+ return True
+
+class P4Submit(Command):
+ def __init__(self):
+ Command.__init__(self)
+ self.options = [
+ optparse.make_option("--verbose", dest="verbose", action="store_true"),
+ optparse.make_option("--origin", dest="origin"),
+ optparse.make_option("-M", dest="detectRename", 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.interactive = True
+ self.origin = ""
+ self.detectRename = False
+ self.verbose = False
+ self.isWindows = (platform.system() == "Windows")
+
+ def check(self):
+ if len(p4CmdList("opened ...")) > 0:
+ die("You have files opened with perforce! Close them before starting the sync.")
+
+ # replaces everything between 'Description:' and the next P4 submit template field with the
+ # commit message
+ def prepareLogMessage(self, template, message):
+ result = ""
+
+ inDescriptionSection = False
+
+ for line in template.split("\n"):
+ if line.startswith("#"):
+ result += line + "\n"
+ continue
+
+ if inDescriptionSection:
+ if line.startswith("Files:"):
+ inDescriptionSection = False
+ else:
+ continue
+ else:
+ if line.startswith("Description:"):
+ inDescriptionSection = True
+ line += "\n"
+ for messageLine in message.split("\n"):
+ line += "\t" + messageLine + "\n"
+
+ result += line + "\n"
+
+ return result
+
+ def prepareSubmitTemplate(self):
+ # remove lines in the Files section that show changes to files outside the depot path we're committing into
+ template = ""
+ inFilesSection = False
+ for line in read_pipe_lines("p4 change -o"):
+ if line.endswith("\r\n"):
+ line = line[:-2] + "\n"
+ if inFilesSection:
+ if line.startswith("\t"):
+ # path starts and ends with a tab
+ path = line[1:]
+ lastTab = path.rfind("\t")
+ if lastTab != -1:
+ path = path[:lastTab]
+ if not path.startswith(self.depotPath):
+ continue
+ else:
+ inFilesSection = False
+ else:
+ if line.startswith("Files:"):
+ inFilesSection = True
+
+ template += line
+
+ return template
+
+ def applyCommit(self, id):
+ print "Applying %s" % (read_pipe("git log --max-count=1 --pretty=oneline %s" % id))
+ diffOpts = ("", "-M")[self.detectRename]
+ diff = read_pipe_lines("git diff-tree -r %s \"%s^\" \"%s\"" % (diffOpts, id, id))
+ filesToAdd = set()
+ filesToDelete = set()
+ editedFiles = set()
+ filesToChangeExecBit = {}
+ for line in diff:
+ diff = parseDiffTreeEntry(line)
+ modifier = diff['status']
+ path = diff['src']
+ if modifier == "M":
+ system("p4 edit \"%s\"" % path)
+ if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
+ filesToChangeExecBit[path] = diff['dst_mode']
+ editedFiles.add(path)
+ elif modifier == "A":
+ filesToAdd.add(path)
+ filesToChangeExecBit[path] = diff['dst_mode']
+ if path in filesToDelete:
+ filesToDelete.remove(path)
+ elif modifier == "D":
+ filesToDelete.add(path)
+ if path in filesToAdd:
+ filesToAdd.remove(path)
+ elif modifier == "R":
+ src, dest = diff['src'], diff['dst']
+ system("p4 integrate -Dt \"%s\" \"%s\"" % (src, dest))
+ system("p4 edit \"%s\"" % (dest))
+ if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
+ filesToChangeExecBit[dest] = diff['dst_mode']
+ os.unlink(dest)
+ editedFiles.add(dest)
+ filesToDelete.add(src)
+ else:
+ die("unknown modifier %s for %s" % (modifier, path))
+
+ diffcmd = "git format-patch -k --stdout \"%s^\"..\"%s\"" % (id, id)
+ patchcmd = diffcmd + " | git apply "
+ tryPatchCmd = patchcmd + "--check -"
+ applyPatchCmd = patchcmd + "--check --apply -"
+
+ if os.system(tryPatchCmd) != 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..."
+ for f in editedFiles:
+ system("p4 revert \"%s\"" % f);
+ for f in filesToAdd:
+ system("rm %s" %f)
+ return
+ elif response == "a":
+ os.system(applyPatchCmd)
+ 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(applyPatchCmd)
+
+ for f in filesToAdd:
+ system("p4 add \"%s\"" % f)
+ for f in filesToDelete:
+ system("p4 revert \"%s\"" % f)
+ system("p4 delete \"%s\"" % f)
+
+ # Set/clear executable bits
+ for f in filesToChangeExecBit.keys():
+ mode = filesToChangeExecBit[f]
+ setP4ExecBit(f, mode)
+
+ logMessage = extractLogMessageFromGitCommit(id)
+ logMessage = logMessage.strip()
+
+ template = self.prepareSubmitTemplate()
+
+ if self.interactive:
+ submitTemplate = self.prepareLogMessage(template, logMessage)
+ if os.environ.has_key("P4DIFF"):
+ del(os.environ["P4DIFF"])
+ diff = read_pipe("p4 diff -du ...")
+
+ newdiff = ""
+ for newFile in filesToAdd:
+ newdiff += "==== new file ====\n"
+ newdiff += "--- /dev/null\n"
+ newdiff += "+++ %s\n" % newFile
+ f = open(newFile, "r")
+ for line in f.readlines():
+ newdiff += "+" + line
+ f.close()
+
+ separatorLine = "######## everything below this line is just the diff #######\n"
+
+ [handle, fileName] = tempfile.mkstemp()
+ tmpFile = os.fdopen(handle, "w+")
+ if self.isWindows:
+ submitTemplate = submitTemplate.replace("\n", "\r\n")
+ separatorLine = separatorLine.replace("\n", "\r\n")
+ newdiff = newdiff.replace("\n", "\r\n")
+ tmpFile.write(submitTemplate + separatorLine + diff + newdiff)
+ tmpFile.close()
+ defaultEditor = "vi"
+ if platform.system() == "Windows":
+ defaultEditor = "notepad"
+ if os.environ.has_key("P4EDITOR"):
+ editor = os.environ.get("P4EDITOR")
+ else:
+ 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 self.isWindows:
+ submitTemplate = submitTemplate.replace("\r\n", "\n")
+
+ write_pipe("p4 submit -i", submitTemplate)
+ 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):
+ if len(args) == 0:
+ self.master = currentGitBranch()
+ if len(self.master) == 0 or not gitBranchExists("refs/heads/%s" % self.master):
+ die("Detecting current git branch failed!")
+ elif len(args) == 1:
+ self.master = args[0]
+ else:
+ return False
+
+ allowSubmit = gitConfig("git-p4.allowSubmit")
+ if len(allowSubmit) > 0 and not self.master in allowSubmit.split(","):
+ die("%s is not in git-p4.allowSubmit" % self.master)
+
+ [upstream, settings] = findUpstreamBranchPoint()
+ self.depotPath = settings['depot-paths'][0]
+ if len(self.origin) == 0:
+ self.origin = upstream
+
+ if self.verbose:
+ print "Origin branch is " + self.origin
+
+ if len(self.depotPath) == 0:
+ print "Internal error: cannot locate perforce depot path from existing branches"
+ sys.exit(128)
+
+ self.clientPath = p4Where(self.depotPath)
+
+ if len(self.clientPath) == 0:
+ print "Error: Cannot locate perforce checkout of %s in client view" % self.depotPath
+ sys.exit(128)
+
+ print "Perforce checkout for depot path %s located at %s" % (self.depotPath, self.clientPath)
+ self.oldWorkingDirectory = os.getcwd()
+
+ os.chdir(self.clientPath)
+ print "Syncronizing p4 checkout..."
+ system("p4 sync ...")
+
+ self.check()
+
+ commits = []
+ for line in read_pipe_lines("git rev-list --no-merges %s..%s" % (self.origin, self.master)):
+ commits.append(line.strip())
+ commits.reverse()
+
+ while len(commits) > 0:
+ commit = commits[0]
+ commits = commits[1:]
+ self.applyCommit(commit)
+ if not self.interactive:
+ break
+
+ if len(commits) == 0:
+ print "All changes applied!"
+ os.chdir(self.oldWorkingDirectory)
+
+ sync = P4Sync()
+ sync.run([])
+
+ rebase = P4Rebase()
+ rebase.rebase()
+
+ 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("--detect-labels", dest="detectLabels", action="store_true"),
+ optparse.make_option("--verbose", dest="verbose", action="store_true"),
+ optparse.make_option("--import-local", dest="importIntoRemotes", action="store_false",
+ help="Import into refs/heads/ , not refs/remotes"),
+ optparse.make_option("--max-changes", dest="maxChanges"),
+ optparse.make_option("--keep-path", dest="keepRepoPath", action='store_true',
+ help="Keep entire BRANCH/DIR/SUBDIR prefix during import"),
+ optparse.make_option("--use-client-spec", dest="useClientSpec", action='store_true',
+ help="Only sync files that are included in the Perforce Client Spec")
+ ]
+ 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.silent = False
+ self.createdBranches = Set()
+ self.committedChanges = Set()
+ self.branch = ""
+ self.detectBranches = False
+ self.detectLabels = False
+ self.changesFile = ""
+ self.syncWithOrigin = True
+ self.verbose = False
+ self.importIntoRemotes = True
+ self.maxChanges = ""
+ self.isWindows = (platform.system() == "Windows")
+ self.keepRepoPath = False
+ self.depotPaths = None
+ self.p4BranchesInGit = []
+ self.cloneExclude = []
+ self.useClientSpec = False
+ self.clientSpecDirs = []
+
+ if gitConfig("git-p4.syncFromOrigin") == "false":
+ self.syncWithOrigin = False
+
+ def extractFilesFromCommit(self, commit):
+ self.cloneExclude = [re.sub(r"\.\.\.$", "", path)
+ for path in self.cloneExclude]
+ files = []
+ fnum = 0
+ while commit.has_key("depotFile%s" % fnum):
+ path = commit["depotFile%s" % fnum]
+
+ if [p for p in self.cloneExclude
+ if path.startswith (p)]:
+ found = False
+ else:
+ found = [p for p in self.depotPaths
+ if path.startswith (p)]
+ if not found:
+ 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 stripRepoPath(self, path, prefixes):
+ if self.keepRepoPath:
+ prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
+
+ for p in prefixes:
+ if path.startswith(p):
+ path = path[len(p):]
+
+ return path
+
+ def splitFilesIntoBranches(self, commit):
+ branches = {}
+ fnum = 0
+ while commit.has_key("depotFile%s" % fnum):
+ path = commit["depotFile%s" % fnum]
+ found = [p for p in self.depotPaths
+ if path.startswith (p)]
+ if not found:
+ 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]
+ fnum = fnum + 1
+
+ relPath = self.stripRepoPath(path, self.depotPaths)
+
+ for branch in self.knownBranches.keys():
+
+ # add a trailing slash so that a commit into qt/4.2foo doesn't end up in qt/4.2
+ if relPath.startswith(branch + "/"):
+ if branch not in branches:
+ branches[branch] = []
+ branches[branch].append(file)
+ break
+
+ return branches
+
+ ## Should move this out, doesn't use SELF.
+ def readP4Files(self, files):
+ filesForCommit = []
+ filesToRead = []
+
+ for f in files:
+ includeFile = True
+ for val in self.clientSpecDirs:
+ if f['path'].startswith(val[0]):
+ if val[1] <= 0:
+ includeFile = False
+ break
+
+ if includeFile:
+ filesForCommit.append(f)
+ if f['action'] != 'delete':
+ filesToRead.append(f)
+
+ filedata = []
+ if len(filesToRead) > 0:
+ filedata = p4CmdList('-x - print',
+ stdin='\n'.join(['%s#%s' % (f['path'], f['rev'])
+ for f in filesToRead]),
+ stdin_mode='w+')
+
+ if "p4ExitCode" in filedata[0]:
+ die("Problems executing p4. Error: [%d]."
+ % (filedata[0]['p4ExitCode']));
+
+ j = 0;
+ contents = {}
+ while j < len(filedata):
+ stat = filedata[j]
+ j += 1
+ text = [];
+ while j < len(filedata) and filedata[j]['code'] in ('text', 'unicode', 'binary'):
+ text.append(filedata[j]['data'])
+ j += 1
+ text = ''.join(text)
+
+ if not stat.has_key('depotFile'):
+ sys.stderr.write("p4 print fails with: %s\n" % repr(stat))
+ continue
+
+ if stat['type'] in ('text+ko', 'unicode+ko', 'binary+ko'):
+ text = re.sub(r'(?i)\$(Id|Header):[^$]*\$',r'$\1$', text)
+ elif stat['type'] in ('text+k', 'ktext', 'kxtext', 'unicode+k', 'binary+k'):
+ text = re.sub(r'(?i)\$(Id|Header|Author|Date|DateTime|Change|File|Revision):[^$]*\$',r'$\1$', text)
+
+ contents[stat['depotFile']] = text
+
+ for f in filesForCommit:
+ path = f['path']
+ if contents.has_key(path):
+ f['data'] = contents[path]
+
+ return filesForCommit
+
+ def commit(self, details, files, branch, branchPrefixes, parent = ""):
+ epoch = details["time"]
+ author = details["user"]
+
+ if self.verbose:
+ print "commit into %s" % branch
+
+ # start with reading files; if that fails, we should not
+ # create a commit.
+ new_files = []
+ for f in files:
+ if [p for p in branchPrefixes if f['path'].startswith(p)]:
+ new_files.append (f)
+ else:
+ sys.stderr.write("Ignoring file outside of prefix: %s\n" % path)
+ files = self.readP4Files(new_files)
+
+ self.gitStream.write("commit %s\n" % branch)
+# gitStream.write("mark :%s\n" % details["change"])
+ self.committedChanges.add(int(details["change"]))
+ committer = ""
+ if author not in self.users:
+ self.getUserMapFromPerforceServer()
+ 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-paths = \"%s\": change = %s"
+ % (','.join (branchPrefixes), details["change"]))
+ if len(details['options']) > 0:
+ self.gitStream.write(": options = %s" % details['options'])
+ self.gitStream.write("]\nEOT\n\n")
+
+ if len(parent) > 0:
+ if self.verbose:
+ print "parent %s" % parent
+ self.gitStream.write("from %s\n" % parent)
+
+ for file in files:
+ if file["type"] == "apple":
+ print "\nfile %s is a strange apple file that forks. Ignoring!" % file['path']
+ continue
+
+ relPath = self.stripRepoPath(file['path'], branchPrefixes)
+ if file["action"] == "delete":
+ self.gitStream.write("D %s\n" % relPath)
+ else:
+ data = file['data']
+
+ mode = "644"
+ if isP4Exec(file["type"]):
+ mode = "755"
+ elif file["type"] == "symlink":
+ mode = "120000"
+ # p4 print on a symlink contains "target\n", so strip it off
+ data = data[:-1]
+
+ if self.isWindows and file["type"].endswith("text"):
+ data = data.replace("\r\n", "\n")
+
+ 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"])
+
+ if self.labels.has_key(change):
+ label = self.labels[change]
+ labelDetails = label[0]
+ labelRevisions = label[1]
+ if self.verbose:
+ print "Change %s is labelled %s" % (change, labelDetails)
+
+ files = p4CmdList("files " + ' '.join (["%s...@%s" % (p, change)
+ for p in branchPrefixes]))
+
+ 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 getUserCacheFilename(self):
+ home = os.environ.get("HOME", os.environ.get("USERPROFILE"))
+ return home + "/.gitp4-usercache.txt"
+
+ def getUserMapFromPerforceServer(self):
+ if self.userMapFromPerforceServer:
+ return
+ self.users = {}
+
+ for output in p4CmdList("users"):
+ if not output.has_key("User"):
+ continue
+ self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
+
+
+ s = ''
+ for (key, val) in self.users.items():
+ s += "%s\t%s\n" % (key, val)
+
+ open(self.getUserCacheFilename(), "wb").write(s)
+ self.userMapFromPerforceServer = True
+
+ def loadUserMapFromCache(self):
+ self.users = {}
+ self.userMapFromPerforceServer = False
+ try:
+ cache = open(self.getUserCacheFilename(), "rb")
+ lines = cache.readlines()
+ cache.close()
+ for line in lines:
+ entry = line.strip().split("\t")
+ self.users[entry[0]] = entry[1]
+ except IOError:
+ self.getUserMapFromPerforceServer()
+
+ def getLabels(self):
+ self.labels = {}
+
+ l = p4CmdList("labels %s..." % ' '.join (self.depotPaths))
+ if len(l) > 0 and not self.silent:
+ print "Finding files belonging to labels in %s" % `self.depotPaths`
+
+ for output in l:
+ label = output["label"]
+ revisions = {}
+ newestChange = 0
+ if self.verbose:
+ print "Querying files for label %s" % label
+ for file in p4CmdList("files "
+ + ' '.join (["%s...@%s" % (p, label)
+ for p in self.depotPaths])):
+ revisions[file["depotFile"]] = file["rev"]
+ change = int(file["change"])
+ if change > newestChange:
+ newestChange = change
+
+ self.labels[newestChange] = [output, revisions]
+
+ if self.verbose:
+ print "Label changes: %s" % self.labels.keys()
+
+ def guessProjectName(self):
+ for p in self.depotPaths:
+ if p.endswith("/"):
+ p = p[:-1]
+ p = p[p.strip().rfind("/") + 1:]
+ if not p.endswith("/"):
+ p += "/"
+ return p
+
+ def getBranchMapping(self):
+ lostAndFoundBranches = set()
+
+ for info in p4CmdList("branches"):
+ details = p4Cmd("branch -o %s" % info["branch"])
+ viewIdx = 0
+ while details.has_key("View%s" % viewIdx):
+ paths = details["View%s" % viewIdx].split(" ")
+ viewIdx = viewIdx + 1
+ # require standard //depot/foo/... //depot/bar/... mapping
+ if len(paths) != 2 or not paths[0].endswith("/...") or not paths[1].endswith("/..."):
+ continue
+ source = paths[0]
+ destination = paths[1]
+ ## HACK
+ if source.startswith(self.depotPaths[0]) and destination.startswith(self.depotPaths[0]):
+ source = source[len(self.depotPaths[0]):-4]
+ destination = destination[len(self.depotPaths[0]):-4]
+
+ if destination in self.knownBranches:
+ if not self.silent:
+ print "p4 branch %s defines a mapping from %s to %s" % (info["branch"], source, destination)
+ print "but there exists another mapping from %s to %s already!" % (self.knownBranches[destination], destination)
+ continue
+
+ self.knownBranches[destination] = source
+
+ lostAndFoundBranches.discard(destination)
+
+ if source not in self.knownBranches:
+ lostAndFoundBranches.add(source)
+
+
+ for branch in lostAndFoundBranches:
+ self.knownBranches[branch] = branch
+
+ def getBranchMappingFromGitBranches(self):
+ branches = p4BranchesInGit(self.importIntoRemotes)
+ for branch in branches.keys():
+ if branch == "master":
+ branch = "main"
+ else:
+ branch = branch[len(self.projectName):]
+ self.knownBranches[branch] = branch
+
+ def listExistingP4GitBranches(self):
+ # branches holds mapping from name to commit
+ branches = p4BranchesInGit(self.importIntoRemotes)
+ self.p4BranchesInGit = branches.keys()
+ for branch in branches.keys():
+ self.initialParents[self.refPrefix + branch] = branches[branch]
+
+ def updateOptionDict(self, d):
+ option_keys = {}
+ if self.keepRepoPath:
+ option_keys['keepRepoPath'] = 1
+
+ d["options"] = ' '.join(sorted(option_keys.keys()))
+
+ def readOptions(self, d):
+ self.keepRepoPath = (d.has_key('options')
+ and ('keepRepoPath' in d['options']))
+
+ def gitRefForBranch(self, branch):
+ if branch == "main":
+ return self.refPrefix + "master"
+
+ if len(branch) <= 0:
+ return branch
+
+ return self.refPrefix + self.projectName + branch
+
+ def gitCommitByP4Change(self, ref, change):
+ if self.verbose:
+ print "looking in ref " + ref + " for change %s using bisect..." % change
+
+ earliestCommit = ""
+ latestCommit = parseRevision(ref)
+
+ while True:
+ if self.verbose:
+ print "trying: earliest %s latest %s" % (earliestCommit, latestCommit)
+ next = read_pipe("git rev-list --bisect %s %s" % (latestCommit, earliestCommit)).strip()
+ if len(next) == 0:
+ if self.verbose:
+ print "argh"
+ return ""
+ log = extractLogMessageFromGitCommit(next)
+ settings = extractSettingsGitLog(log)
+ currentChange = int(settings['change'])
+ if self.verbose:
+ print "current change %s" % currentChange
+
+ if currentChange == change:
+ if self.verbose:
+ print "found %s" % next
+ return next
+
+ if currentChange < change:
+ earliestCommit = "^%s" % next
+ else:
+ latestCommit = "%s" % next
+
+ return ""
+
+ def importNewBranch(self, branch, maxChange):
+ # make fast-import flush all changes to disk and update the refs using the checkpoint
+ # command so that we can try to find the branch parent in the git history
+ self.gitStream.write("checkpoint\n\n");
+ self.gitStream.flush();
+ branchPrefix = self.depotPaths[0] + branch + "/"
+ range = "@1,%s" % maxChange
+ #print "prefix" + branchPrefix
+ changes = p4ChangesForPaths([branchPrefix], range)
+ if len(changes) <= 0:
+ return False
+ firstChange = changes[0]
+ #print "first change in branch: %s" % firstChange
+ sourceBranch = self.knownBranches[branch]
+ sourceDepotPath = self.depotPaths[0] + sourceBranch
+ sourceRef = self.gitRefForBranch(sourceBranch)
+ #print "source " + sourceBranch
+
+ branchParentChange = int(p4Cmd("changes -m 1 %s...@1,%s" % (sourceDepotPath, firstChange))["change"])
+ #print "branch parent: %s" % branchParentChange
+ gitParent = self.gitCommitByP4Change(sourceRef, branchParentChange)
+ if len(gitParent) > 0:
+ self.initialParents[self.gitRefForBranch(branch)] = gitParent
+ #print "parent git commit: %s" % gitParent
+
+ self.importChanges(changes)
+ return True
+
+ def importChanges(self, changes):
+ cnt = 1
+ for change in changes:
+ description = p4Cmd("describe %s" % change)
+ self.updateOptionDict(description)
+
+ if not self.silent:
+ sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
+ sys.stdout.flush()
+ cnt = cnt + 1
+
+ try:
+ if self.detectBranches:
+ branches = self.splitFilesIntoBranches(description)
+ for branch in branches.keys():
+ ## HACK --hwn
+ branchPrefix = self.depotPaths[0] + branch + "/"
+
+ parent = ""
+
+ filesForCommit = branches[branch]
+
+ if self.verbose:
+ print "branch is %s" % branch
+
+ self.updatedBranches.add(branch)
+
+ if branch not in self.createdBranches:
+ self.createdBranches.add(branch)
+ parent = self.knownBranches[branch]
+ if parent == branch:
+ parent = ""
+ else:
+ fullBranch = self.projectName + branch
+ if fullBranch not in self.p4BranchesInGit:
+ if not self.silent:
+ print("\n Importing new branch %s" % fullBranch);
+ if self.importNewBranch(branch, change - 1):
+ parent = ""
+ self.p4BranchesInGit.append(fullBranch)
+ if not self.silent:
+ print("\n Resuming with change %s" % change);
+
+ if self.verbose:
+ print "parent determined through known branches: %s" % parent
+
+ branch = self.gitRefForBranch(branch)
+ parent = self.gitRefForBranch(parent)
+
+ if self.verbose:
+ print "looking for initial parent for %s; current parent is %s" % (branch, parent)
+
+ if len(parent) == 0 and branch in self.initialParents:
+ parent = self.initialParents[branch]
+ del self.initialParents[branch]
+
+ self.commit(description, filesForCommit, branch, [branchPrefix], parent)
+ else:
+ files = self.extractFilesFromCommit(description)
+ self.commit(description, files, self.branch, self.depotPaths,
+ self.initialParent)
+ self.initialParent = ""
+ except IOError:
+ print self.gitError.read()
+ sys.exit(1)
+
+ def importHeadRevision(self, revision):
+ print "Doing initial import of %s from revision %s into %s" % (' '.join(self.depotPaths), revision, self.branch)
+
+ details = { "user" : "git perforce import user", "time" : int(time.time()) }
+ details["desc"] = ("Initial import of %s from the state at revision %s"
+ % (' '.join(self.depotPaths), revision))
+ details["change"] = revision
+ newestRevision = 0
+
+ fileCnt = 0
+ for info in p4CmdList("files "
+ + ' '.join(["%s...%s"
+ % (p, revision)
+ for p in self.depotPaths])):
+
+ if info['code'] == 'error':
+ sys.stderr.write("p4 returned an error: %s\n"
+ % info['data'])
+ sys.exit(1)
+
+
+ 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
+ self.updateOptionDict(details)
+ try:
+ self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
+ except IOError:
+ print "IO error with git fast-import. Is your git version recent enough?"
+ print self.gitError.read()
+
+
+ def getClientSpec(self):
+ specList = p4CmdList( "client -o" )
+ temp = {}
+ for entry in specList:
+ for k,v in entry.iteritems():
+ if k.startswith("View"):
+ if v.startswith('"'):
+ start = 1
+ else:
+ start = 0
+ index = v.find("...")
+ v = v[start:index]
+ if v.startswith("-"):
+ v = v[1:]
+ temp[v] = -len(v)
+ else:
+ temp[v] = len(v)
+ self.clientSpecDirs = temp.items()
+ self.clientSpecDirs.sort( lambda x, y: abs( y[1] ) - abs( x[1] ) )
+
+ def run(self, args):
+ self.depotPaths = []
+ self.changeRange = ""
+ self.initialParent = ""
+ self.previousDepotPaths = []
+
+ # map from branch depot path to parent branch
+ self.knownBranches = {}
+ self.initialParents = {}
+ self.hasOrigin = originP4BranchesExist()
+ if not self.syncWithOrigin:
+ self.hasOrigin = False
+
+ if self.importIntoRemotes:
+ self.refPrefix = "refs/remotes/p4/"
+ else:
+ self.refPrefix = "refs/heads/p4/"
+
+ if self.syncWithOrigin and self.hasOrigin:
+ if not self.silent:
+ print "Syncing with origin first by calling git fetch origin"
+ system("git fetch origin")
+
+ if len(self.branch) == 0:
+ self.branch = self.refPrefix + "master"
+ if gitBranchExists("refs/heads/p4") and self.importIntoRemotes:
+ system("git update-ref %s refs/heads/p4" % self.branch)
+ system("git branch -D p4");
+ # create it /after/ importing, when master exists
+ if not gitBranchExists(self.refPrefix + "HEAD") and self.importIntoRemotes and gitBranchExists(self.branch):
+ system("git symbolic-ref %sHEAD %s" % (self.refPrefix, self.branch))
+
+ if self.useClientSpec or gitConfig("p4.useclientspec") == "true":
+ self.getClientSpec()
+
+ # TODO: should always look at previous commits,
+ # merge with previous imports, if possible.
+ if args == []:
+ if self.hasOrigin:
+ createOrUpdateBranchesFromOrigin(self.refPrefix, self.silent)
+ self.listExistingP4GitBranches()
+
+ if len(self.p4BranchesInGit) > 1:
+ if not self.silent:
+ print "Importing from/into multiple branches"
+ self.detectBranches = True
+
+ if self.verbose:
+ print "branches: %s" % self.p4BranchesInGit
+
+ p4Change = 0
+ for branch in self.p4BranchesInGit:
+ logMsg = extractLogMessageFromGitCommit(self.refPrefix + branch)
+
+ settings = extractSettingsGitLog(logMsg)
+
+ self.readOptions(settings)
+ if (settings.has_key('depot-paths')
+ and settings.has_key ('change')):
+ change = int(settings['change']) + 1
+ p4Change = max(p4Change, change)
+
+ depotPaths = sorted(settings['depot-paths'])
+ if self.previousDepotPaths == []:
+ self.previousDepotPaths = depotPaths
+ else:
+ paths = []
+ for (prev, cur) in zip(self.previousDepotPaths, depotPaths):
+ for i in range(0, min(len(cur), len(prev))):
+ if cur[i] <> prev[i]:
+ i = i - 1
+ break
+
+ paths.append (cur[:i + 1])
+
+ self.previousDepotPaths = paths
+
+ if p4Change > 0:
+ self.depotPaths = sorted(self.previousDepotPaths)
+ self.changeRange = "@%s,#head" % p4Change
+ if not self.detectBranches:
+ self.initialParent = parseRevision(self.branch)
+ if not self.silent and not self.detectBranches:
+ print "Performing incremental import into %s git branch" % self.branch
+
+ if not self.branch.startswith("refs/"):
+ self.branch = "refs/heads/" + self.branch
+
+ if len(args) == 0 and self.depotPaths:
+ if not self.silent:
+ print "Depot paths: %s" % ' '.join(self.depotPaths)
+ else:
+ if self.depotPaths and self.depotPaths != args:
+ print ("previous import used depot path %s and now %s was specified. "
+ "This doesn't work!" % (' '.join (self.depotPaths),
+ ' '.join (args)))
+ sys.exit(1)
+
+ self.depotPaths = sorted(args)
+
+ revision = ""
+ self.users = {}
+
+ newPaths = []
+ for p in self.depotPaths:
+ if p.find("@") != -1:
+ atIdx = p.index("@")
+ self.changeRange = p[atIdx:]
+ if self.changeRange == "@all":
+ self.changeRange = ""
+ elif ',' not in self.changeRange:
+ revision = self.changeRange
+ self.changeRange = ""
+ p = p[:atIdx]
+ elif p.find("#") != -1:
+ hashIdx = p.index("#")
+ revision = p[hashIdx:]
+ p = p[:hashIdx]
+ elif self.previousDepotPaths == []:
+ revision = "#head"
+
+ p = re.sub ("\.\.\.$", "", p)
+ if not p.endswith("/"):
+ p += "/"
+
+ newPaths.append(p)
+
+ self.depotPaths = newPaths
+
+
+ self.loadUserMapFromCache()
+ self.labels = {}
+ if self.detectLabels:
+ self.getLabels();
+
+ if self.detectBranches:
+ ## FIXME - what's a P4 projectName ?
+ self.projectName = self.guessProjectName()
+
+ if self.hasOrigin:
+ self.getBranchMappingFromGitBranches()
+ else:
+ self.getBranchMapping()
+ if self.verbose:
+ print "p4-git branches: %s" % self.p4BranchesInGit
+ print "initial parents: %s" % self.initialParents
+ for b in self.p4BranchesInGit:
+ if b != "master":
+
+ ## FIXME
+ b = b[len(self.projectName):]
+ self.createdBranches.add(b)
+
+ 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 revision:
+ self.importHeadRevision(revision)
+ 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:
+ if self.verbose:
+ print "Getting p4 changes for %s...%s" % (', '.join(self.depotPaths),
+ self.changeRange)
+ changes = p4ChangesForPaths(self.depotPaths, self.changeRange)
+
+ if len(self.maxChanges) > 0:
+ changes = changes[:min(int(self.maxChanges), len(changes))]
+
+ if len(changes) == 0:
+ if not self.silent:
+ print "No changes to import!"
+ return True
+
+ if not self.silent and not self.detectBranches:
+ print "Import destination: %s" % self.branch
+
+ self.updatedBranches = set()
+
+ self.importChanges(changes)
+
+ if not self.silent:
+ print ""
+ if len(self.updatedBranches) > 0:
+ sys.stdout.write("Updated branches: ")
+ for b in self.updatedBranches:
+ sys.stdout.write("%s " % b)
+ sys.stdout.write("\n")
+
+ self.gitStream.close()
+ if importProcess.wait() != 0:
+ die("fast-import failed: %s" % self.gitError.read())
+ self.gitOutput.close()
+ self.gitError.close()
+
+ 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")
+ self.verbose = False
+
+ def run(self, args):
+ sync = P4Sync()
+ sync.run([])
+
+ return self.rebase()
+
+ def rebase(self):
+ if os.system("git update-index --refresh") != 0:
+ die("Some files in your working directory are modified and different than what is in your index. You can use git update-index <filename> to bring the index up-to-date or stash away all your changes with git stash.");
+ if len(read_pipe("git diff-index HEAD --")) > 0:
+ die("You have uncommited changes. Please commit them before rebasing or stash them away with git stash.");
+
+ [upstream, settings] = findUpstreamBranchPoint()
+ if len(upstream) == 0:
+ die("Cannot find upstream branchpoint for rebase")
+
+ # the branchpoint may be p4/foo~3, so strip off the parent
+ upstream = re.sub("~[0-9]+$", "", upstream)
+
+ print "Rebasing the current branch onto %s" % upstream
+ oldHead = read_pipe("git rev-parse HEAD").strip()
+ system("git rebase %s" % upstream)
+ 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]"
+ self.options += [
+ optparse.make_option("--destination", dest="cloneDestination",
+ action='store', default=None,
+ help="where to leave result of the clone"),
+ optparse.make_option("-/", dest="cloneExclude",
+ action="append", type="string",
+ help="exclude depot path")
+ ]
+ self.cloneDestination = None
+ self.needsGit = False
+
+ # This is required for the "append" cloneExclude action
+ def ensure_value(self, attr, value):
+ if not hasattr(self, attr) or getattr(self, attr) is None:
+ setattr(self, attr, value)
+ return getattr(self, attr)
+
+ def defaultDestination(self, args):
+ ## TODO: use common prefix of args?
+ depotPath = args[0]
+ depotDir = re.sub("(@[^@]*)$", "", depotPath)
+ depotDir = re.sub("(#[^#]*)$", "", depotDir)
+ depotDir = re.sub(r"\.\.\.$", "", depotDir)
+ depotDir = re.sub(r"/$", "", depotDir)
+ return os.path.split(depotDir)[1]
+
+ def run(self, args):
+ if len(args) < 1:
+ return False
+
+ if self.keepRepoPath and not self.cloneDestination:
+ sys.stderr.write("Must specify destination for --keep-path\n")
+ sys.exit(1)
+
+ depotPaths = args
+
+ if not self.cloneDestination and len(depotPaths) > 1:
+ self.cloneDestination = depotPaths[-1]
+ depotPaths = depotPaths[:-1]
+
+ self.cloneExclude = ["/"+p for p in self.cloneExclude]
+ for p in depotPaths:
+ if not p.startswith("//"):
+ return False
+
+ if not self.cloneDestination:
+ self.cloneDestination = self.defaultDestination(args)
+
+ print "Importing from %s into %s" % (', '.join(depotPaths), self.cloneDestination)
+ if not os.path.exists(self.cloneDestination):
+ os.makedirs(self.cloneDestination)
+ os.chdir(self.cloneDestination)
+ system("git init")
+ self.gitdir = os.getcwd() + "/.git"
+ if not P4Sync.run(self, depotPaths):
+ return False
+ if self.branch != "master":
+ if gitBranchExists("refs/remotes/p4/master"):
+ system("git branch master refs/remotes/p4/master")
+ system("git checkout -f")
+ else:
+ print "Could not detect main branch. No checkout/master branch created."
+
+ return True
+
+class P4Branches(Command):
+ def __init__(self):
+ Command.__init__(self)
+ self.options = [ ]
+ self.description = ("Shows the git branches that hold imports and their "
+ + "corresponding perforce depot paths")
+ self.verbose = False
+
+ def run(self, args):
+ if originP4BranchesExist():
+ createOrUpdateBranchesFromOrigin()
+
+ cmdline = "git rev-parse --symbolic "
+ cmdline += " --remotes"
+
+ for line in read_pipe_lines(cmdline):
+ line = line.strip()
+
+ if not line.startswith('p4/') or line == "p4/HEAD":
+ continue
+ branch = line
+
+ log = extractLogMessageFromGitCommit("refs/remotes/%s" % branch)
+ settings = extractSettingsGitLog(log)
+
+ print "%s <= %s (%s)" % (branch, ",".join(settings["depot-paths"]), settings["change"])
+ 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,
+ "commit" : P4Submit,
+ "sync" : P4Sync,
+ "rebase" : P4Rebase,
+ "clone" : P4Clone,
+ "rollback" : P4RollBack,
+ "branches" : P4Branches
+}
+
+
+def main():
+ if len(sys.argv[1:]) == 0:
+ printUsage(commands.keys())
+ sys.exit(2)
+
+ cmd = ""
+ cmdName = sys.argv[1]
+ try:
+ klass = commands[cmdName]
+ cmd = klass()
+ except KeyError:
+ print "unknown command %s" % cmdName
+ print ""
+ printUsage(commands.keys())
+ sys.exit(2)
+
+ options = cmd.options
+ cmd.gitdir = os.environ.get("GIT_DIR", None)
+
+ 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);
+ global verbose
+ verbose = cmd.verbose
+ if cmd.needsGit:
+ if cmd.gitdir == None:
+ cmd.gitdir = os.path.abspath(".git")
+ if not isValidGitDir(cmd.gitdir):
+ cmd.gitdir = read_pipe("git rev-parse --git-dir").strip()
+ if os.path.exists(cmd.gitdir):
+ cdup = read_pipe("git rev-parse --show-cdup").strip()
+ if len(cdup) > 0:
+ os.chdir(cdup);
+
+ if not isValidGitDir(cmd.gitdir):
+ if isValidGitDir(cmd.gitdir + "/.git"):
+ cmd.gitdir += "/.git"
+ else:
+ die("fatal: cannot locate git repository at %s" % cmd.gitdir)
+
+ os.environ["GIT_DIR"] = cmd.gitdir
+
+ if not cmd.run(args):
+ parser.print_help()
+
+
+if __name__ == '__main__':
+ main()