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authorPete Wyckoff <pw@padd.com>2012-04-09 00:18:00 (GMT)
committerJunio C Hamano <gitster@pobox.com>2012-04-09 21:59:40 (GMT)
commitb6f930576469052af87e96b549c37630b56aab93 (patch)
treea544a06b42479575fd794c3be5b27327762f8e3b /git-p4.py
parente8dde3e5f9ddb7cf95a6ff3cea6cf07c3a2db80d (diff)
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git-p4: move to toplevel
Move git-p4 out of contrib/fast-import into the main code base, aside other foreign SCM tools. Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'git-p4.py')
-rwxr-xr-xgit-p4.py2758
1 files changed, 2758 insertions, 0 deletions
diff --git a/git-p4.py b/git-p4.py
new file mode 100755
index 0000000..c5362c4
--- /dev/null
+++ b/git-p4.py
@@ -0,0 +1,2758 @@
+#!/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, subprocess, shelve
+import tempfile, getopt, os.path, time, platform
+import re, shutil
+
+verbose = False
+
+
+def p4_build_cmd(cmd):
+ """Build a suitable p4 command line.
+
+ This consolidates building and returning a p4 command line into one
+ location. It means that hooking into the environment, or other configuration
+ can be done more easily.
+ """
+ real_cmd = ["p4"]
+
+ user = gitConfig("git-p4.user")
+ if len(user) > 0:
+ real_cmd += ["-u",user]
+
+ password = gitConfig("git-p4.password")
+ if len(password) > 0:
+ real_cmd += ["-P", password]
+
+ port = gitConfig("git-p4.port")
+ if len(port) > 0:
+ real_cmd += ["-p", port]
+
+ host = gitConfig("git-p4.host")
+ if len(host) > 0:
+ real_cmd += ["-H", host]
+
+ client = gitConfig("git-p4.client")
+ if len(client) > 0:
+ real_cmd += ["-c", client]
+
+
+ if isinstance(cmd,basestring):
+ real_cmd = ' '.join(real_cmd) + ' ' + cmd
+ else:
+ real_cmd += cmd
+ return real_cmd
+
+def chdir(dir):
+ # P4 uses the PWD environment variable rather than getcwd(). Since we're
+ # not using the shell, we have to set it ourselves. This path could
+ # be relative, so go there first, then figure out where we ended up.
+ os.chdir(dir)
+ os.environ['PWD'] = os.getcwd()
+
+def die(msg):
+ if verbose:
+ raise Exception(msg)
+ else:
+ sys.stderr.write(msg + "\n")
+ sys.exit(1)
+
+def write_pipe(c, stdin):
+ if verbose:
+ sys.stderr.write('Writing pipe: %s\n' % str(c))
+
+ expand = isinstance(c,basestring)
+ p = subprocess.Popen(c, stdin=subprocess.PIPE, shell=expand)
+ pipe = p.stdin
+ val = pipe.write(stdin)
+ pipe.close()
+ if p.wait():
+ die('Command failed: %s' % str(c))
+
+ return val
+
+def p4_write_pipe(c, stdin):
+ real_cmd = p4_build_cmd(c)
+ return write_pipe(real_cmd, stdin)
+
+def read_pipe(c, ignore_error=False):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % str(c))
+
+ expand = isinstance(c,basestring)
+ p = subprocess.Popen(c, stdout=subprocess.PIPE, shell=expand)
+ pipe = p.stdout
+ val = pipe.read()
+ if p.wait() and not ignore_error:
+ die('Command failed: %s' % str(c))
+
+ return val
+
+def p4_read_pipe(c, ignore_error=False):
+ real_cmd = p4_build_cmd(c)
+ return read_pipe(real_cmd, ignore_error)
+
+def read_pipe_lines(c):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % str(c))
+
+ expand = isinstance(c, basestring)
+ p = subprocess.Popen(c, stdout=subprocess.PIPE, shell=expand)
+ pipe = p.stdout
+ val = pipe.readlines()
+ if pipe.close() or p.wait():
+ die('Command failed: %s' % str(c))
+
+ return val
+
+def p4_read_pipe_lines(c):
+ """Specifically invoke p4 on the command supplied. """
+ real_cmd = p4_build_cmd(c)
+ return read_pipe_lines(real_cmd)
+
+def system(cmd):
+ expand = isinstance(cmd,basestring)
+ if verbose:
+ sys.stderr.write("executing %s\n" % str(cmd))
+ subprocess.check_call(cmd, shell=expand)
+
+def p4_system(cmd):
+ """Specifically invoke p4 as the system command. """
+ real_cmd = p4_build_cmd(cmd)
+ expand = isinstance(real_cmd, basestring)
+ subprocess.check_call(real_cmd, shell=expand)
+
+def p4_integrate(src, dest):
+ p4_system(["integrate", "-Dt", src, dest])
+
+def p4_sync(path):
+ p4_system(["sync", path])
+
+def p4_add(f):
+ p4_system(["add", f])
+
+def p4_delete(f):
+ p4_system(["delete", f])
+
+def p4_edit(f):
+ p4_system(["edit", f])
+
+def p4_revert(f):
+ p4_system(["revert", f])
+
+def p4_reopen(type, file):
+ p4_system(["reopen", "-t", type, file])
+
+#
+# Canonicalize the p4 type and return a tuple of the
+# base type, plus any modifiers. See "p4 help filetypes"
+# for a list and explanation.
+#
+def split_p4_type(p4type):
+
+ p4_filetypes_historical = {
+ "ctempobj": "binary+Sw",
+ "ctext": "text+C",
+ "cxtext": "text+Cx",
+ "ktext": "text+k",
+ "kxtext": "text+kx",
+ "ltext": "text+F",
+ "tempobj": "binary+FSw",
+ "ubinary": "binary+F",
+ "uresource": "resource+F",
+ "uxbinary": "binary+Fx",
+ "xbinary": "binary+x",
+ "xltext": "text+Fx",
+ "xtempobj": "binary+Swx",
+ "xtext": "text+x",
+ "xunicode": "unicode+x",
+ "xutf16": "utf16+x",
+ }
+ if p4type in p4_filetypes_historical:
+ p4type = p4_filetypes_historical[p4type]
+ mods = ""
+ s = p4type.split("+")
+ base = s[0]
+ mods = ""
+ if len(s) > 1:
+ mods = s[1]
+ return (base, mods)
+
+#
+# return the raw p4 type of a file (text, text+ko, etc)
+#
+def p4_type(file):
+ results = p4CmdList(["fstat", "-T", "headType", file])
+ return results[0]['headType']
+
+#
+# Given a type base and modifier, return a regexp matching
+# the keywords that can be expanded in the file
+#
+def p4_keywords_regexp_for_type(base, type_mods):
+ if base in ("text", "unicode", "binary"):
+ kwords = None
+ if "ko" in type_mods:
+ kwords = 'Id|Header'
+ elif "k" in type_mods:
+ kwords = 'Id|Header|Author|Date|DateTime|Change|File|Revision'
+ else:
+ return None
+ pattern = r"""
+ \$ # Starts with a dollar, followed by...
+ (%s) # one of the keywords, followed by...
+ (:[^$]+)? # possibly an old expansion, followed by...
+ \$ # another dollar
+ """ % kwords
+ return pattern
+ else:
+ return None
+
+#
+# Given a file, return a regexp matching the possible
+# RCS keywords that will be expanded, or None for files
+# with kw expansion turned off.
+#
+def p4_keywords_regexp_for_file(file):
+ if not os.path.exists(file):
+ return None
+ else:
+ (type_base, type_mods) = split_p4_type(p4_type(file))
+ return p4_keywords_regexp_for_type(type_base, type_mods)
+
+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]
+
+ p4_reopen(p4Type, file)
+
+def getP4OpenedType(file):
+ # Returns the perforce file type for the given file.
+
+ result = p4_read_pipe(["opened", 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', cb=None):
+
+ if isinstance(cmd,basestring):
+ cmd = "-G " + cmd
+ expand = True
+ else:
+ cmd = ["-G"] + cmd
+ expand = False
+
+ cmd = p4_build_cmd(cmd)
+ if verbose:
+ sys.stderr.write("Opening pipe: %s\n" % str(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)
+ if isinstance(stdin,basestring):
+ stdin_file.write(stdin)
+ else:
+ for i in stdin:
+ stdin_file.write(i + '\n')
+ stdin_file.flush()
+ stdin_file.seek(0)
+
+ p4 = subprocess.Popen(cmd,
+ shell=expand,
+ stdin=stdin_file,
+ stdout=subprocess.PIPE)
+
+ result = []
+ try:
+ while True:
+ entry = marshal.load(p4.stdout)
+ if cb is not None:
+ cb(entry)
+ else:
+ 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 += "/"
+ depotPath = depotPath + "..."
+ outputList = p4CmdList(["where", depotPath])
+ output = None
+ for entry in outputList:
+ if "depotFile" in entry:
+ if entry["depotFile"] == depotPath:
+ output = entry
+ break
+ elif "data" in entry:
+ data = entry.get("data")
+ space = data.find(" ")
+ if data[:space] == depotPath:
+ output = entry
+ break
+ if output == None:
+ return ""
+ 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 branchExists(ref):
+ rev = read_pipe(["git", "rev-parse", "-q", "--verify", ref],
+ ignore_error=True)
+ return len(rev) > 0
+
+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;
+
+_gitConfig = {}
+def gitConfig(key, args = None): # set args to "--bool", for instance
+ if not _gitConfig.has_key(key):
+ argsFilter = ""
+ if args != None:
+ argsFilter = "%s " % args
+ cmd = "git config %s%s" % (argsFilter, key)
+ _gitConfig[key] = read_pipe(cmd, ignore_error=True).strip()
+ return _gitConfig[key]
+
+def gitConfigList(key):
+ if not _gitConfig.has_key(key):
+ _gitConfig[key] = read_pipe("git config --get-all %s" % key, ignore_error=True).strip().split(os.linesep)
+ return _gitConfig[key]
+
+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
+ cmd = ['changes']
+ for p in depotPaths:
+ cmd += ["%s...%s" % (p, changeRange)]
+ output = p4_read_pipe_lines(cmd)
+
+ changes = {}
+ for line in output:
+ changeNum = int(line.split(" ")[1])
+ changes[changeNum] = True
+
+ changelist = changes.keys()
+ changelist.sort()
+ return changelist
+
+def p4PathStartsWith(path, prefix):
+ # This method tries to remedy a potential mixed-case issue:
+ #
+ # If UserA adds //depot/DirA/file1
+ # and UserB adds //depot/dira/file2
+ #
+ # we may or may not have a problem. If you have core.ignorecase=true,
+ # we treat DirA and dira as the same directory
+ ignorecase = gitConfig("core.ignorecase", "--bool") == "true"
+ if ignorecase:
+ return path.lower().startswith(prefix.lower())
+ return path.startswith(prefix)
+
+def getClientSpec():
+ """Look at the p4 client spec, create a View() object that contains
+ all the mappings, and return it."""
+
+ specList = p4CmdList("client -o")
+ if len(specList) != 1:
+ die('Output from "client -o" is %d lines, expecting 1' %
+ len(specList))
+
+ # dictionary of all client parameters
+ entry = specList[0]
+
+ # just the keys that start with "View"
+ view_keys = [ k for k in entry.keys() if k.startswith("View") ]
+
+ # hold this new View
+ view = View()
+
+ # append the lines, in order, to the view
+ for view_num in range(len(view_keys)):
+ k = "View%d" % view_num
+ if k not in view_keys:
+ die("Expected view key %s missing" % k)
+ view.append(entry[k])
+
+ return view
+
+def getClientRoot():
+ """Grab the client directory."""
+
+ output = p4CmdList("client -o")
+ if len(output) != 1:
+ die('Output from "client -o" is %d lines, expecting 1' % len(output))
+
+ entry = output[0]
+ if "Root" not in entry:
+ die('Client has no "Root"')
+
+ return entry["Root"]
+
+class Command:
+ def __init__(self):
+ self.usage = "usage: %prog [options]"
+ self.needsGit = True
+
+class P4UserMap:
+ def __init__(self):
+ self.userMapFromPerforceServer = False
+ self.myP4UserId = None
+
+ def p4UserId(self):
+ if self.myP4UserId:
+ return self.myP4UserId
+
+ results = p4CmdList("user -o")
+ for r in results:
+ if r.has_key('User'):
+ self.myP4UserId = r['User']
+ return r['User']
+ die("Could not find your p4 user id")
+
+ def p4UserIsMe(self, p4User):
+ # return True if the given p4 user is actually me
+ me = self.p4UserId()
+ if not p4User or p4User != me:
+ return False
+ else:
+ return True
+
+ 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 = {}
+ self.emails = {}
+
+ for output in p4CmdList("users"):
+ if not output.has_key("User"):
+ continue
+ self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
+ self.emails[output["Email"]] = output["User"]
+
+
+ s = ''
+ for (key, val) in self.users.items():
+ s += "%s\t%s\n" % (key.expandtabs(1), val.expandtabs(1))
+
+ 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()
+
+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(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, P4UserMap):
+ def __init__(self):
+ Command.__init__(self)
+ P4UserMap.__init__(self)
+ self.options = [
+ optparse.make_option("--verbose", dest="verbose", action="store_true"),
+ optparse.make_option("--origin", dest="origin"),
+ optparse.make_option("-M", dest="detectRenames", action="store_true"),
+ # preserve the user, requires relevant p4 permissions
+ optparse.make_option("--preserve-user", dest="preserveUser", 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.detectRenames = False
+ self.verbose = False
+ self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true"
+ 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:") or line.startswith("Jobs:"):
+ 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 patchRCSKeywords(self, file, pattern):
+ # Attempt to zap the RCS keywords in a p4 controlled file matching the given pattern
+ (handle, outFileName) = tempfile.mkstemp(dir='.')
+ try:
+ outFile = os.fdopen(handle, "w+")
+ inFile = open(file, "r")
+ regexp = re.compile(pattern, re.VERBOSE)
+ for line in inFile.readlines():
+ line = regexp.sub(r'$\1$', line)
+ outFile.write(line)
+ inFile.close()
+ outFile.close()
+ # Forcibly overwrite the original file
+ os.unlink(file)
+ shutil.move(outFileName, file)
+ except:
+ # cleanup our temporary file
+ os.unlink(outFileName)
+ print "Failed to strip RCS keywords in %s" % file
+ raise
+
+ print "Patched up RCS keywords in %s" % file
+
+ def p4UserForCommit(self,id):
+ # Return the tuple (perforce user,git email) for a given git commit id
+ self.getUserMapFromPerforceServer()
+ gitEmail = read_pipe("git log --max-count=1 --format='%%ae' %s" % id)
+ gitEmail = gitEmail.strip()
+ if not self.emails.has_key(gitEmail):
+ return (None,gitEmail)
+ else:
+ return (self.emails[gitEmail],gitEmail)
+
+ def checkValidP4Users(self,commits):
+ # check if any git authors cannot be mapped to p4 users
+ for id in commits:
+ (user,email) = self.p4UserForCommit(id)
+ if not user:
+ msg = "Cannot find p4 user for email %s in commit %s." % (email, id)
+ if gitConfig('git-p4.allowMissingP4Users').lower() == "true":
+ print "%s" % msg
+ else:
+ die("Error: %s\nSet git-p4.allowMissingP4Users to true to allow this." % msg)
+
+ def lastP4Changelist(self):
+ # Get back the last changelist number submitted in this client spec. This
+ # then gets used to patch up the username in the change. If the same
+ # client spec is being used by multiple processes then this might go
+ # wrong.
+ results = p4CmdList("client -o") # find the current client
+ client = None
+ for r in results:
+ if r.has_key('Client'):
+ client = r['Client']
+ break
+ if not client:
+ die("could not get client spec")
+ results = p4CmdList(["changes", "-c", client, "-m", "1"])
+ for r in results:
+ if r.has_key('change'):
+ return r['change']
+ die("Could not get changelist number for last submit - cannot patch up user details")
+
+ def modifyChangelistUser(self, changelist, newUser):
+ # fixup the user field of a changelist after it has been submitted.
+ changes = p4CmdList("change -o %s" % changelist)
+ if len(changes) != 1:
+ die("Bad output from p4 change modifying %s to user %s" %
+ (changelist, newUser))
+
+ c = changes[0]
+ if c['User'] == newUser: return # nothing to do
+ c['User'] = newUser
+ input = marshal.dumps(c)
+
+ result = p4CmdList("change -f -i", stdin=input)
+ for r in result:
+ if r.has_key('code'):
+ if r['code'] == 'error':
+ die("Could not modify user field of changelist %s to %s:%s" % (changelist, newUser, r['data']))
+ if r.has_key('data'):
+ print("Updated user field for changelist %s to %s" % (changelist, newUser))
+ return
+ die("Could not modify user field of changelist %s to %s" % (changelist, newUser))
+
+ def canChangeChangelists(self):
+ # check to see if we have p4 admin or super-user permissions, either of
+ # which are required to modify changelists.
+ results = p4CmdList(["protects", self.depotPath])
+ for r in results:
+ if r.has_key('perm'):
+ if r['perm'] == 'admin':
+ return 1
+ if r['perm'] == 'super':
+ return 1
+ return 0
+
+ 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 p4_read_pipe_lines(['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 p4PathStartsWith(path, self.depotPath):
+ continue
+ else:
+ inFilesSection = False
+ else:
+ if line.startswith("Files:"):
+ inFilesSection = True
+
+ template += line
+
+ return template
+
+ def edit_template(self, template_file):
+ """Invoke the editor to let the user change the submission
+ message. Return true if okay to continue with the submit."""
+
+ # if configured to skip the editing part, just submit
+ if gitConfig("git-p4.skipSubmitEdit") == "true":
+ return True
+
+ # look at the modification time, to check later if the user saved
+ # the file
+ mtime = os.stat(template_file).st_mtime
+
+ # invoke the editor
+ if os.environ.has_key("P4EDITOR"):
+ editor = os.environ.get("P4EDITOR")
+ else:
+ editor = read_pipe("git var GIT_EDITOR").strip()
+ system(editor + " " + template_file)
+
+ # If the file was not saved, prompt to see if this patch should
+ # be skipped. But skip this verification step if configured so.
+ if gitConfig("git-p4.skipSubmitEditCheck") == "true":
+ return True
+
+ # modification time updated means user saved the file
+ if os.stat(template_file).st_mtime > mtime:
+ return True
+
+ while True:
+ response = raw_input("Submit template unchanged. Submit anyway? [y]es, [n]o (skip this patch) ")
+ if response == 'y':
+ return True
+ if response == 'n':
+ return False
+
+ def applyCommit(self, id):
+ print "Applying %s" % (read_pipe("git log --max-count=1 --pretty=oneline %s" % id))
+
+ (p4User, gitEmail) = self.p4UserForCommit(id)
+
+ if not self.detectRenames:
+ # If not explicitly set check the config variable
+ self.detectRenames = gitConfig("git-p4.detectRenames")
+
+ if self.detectRenames.lower() == "false" or self.detectRenames == "":
+ diffOpts = ""
+ elif self.detectRenames.lower() == "true":
+ diffOpts = "-M"
+ else:
+ diffOpts = "-M%s" % self.detectRenames
+
+ detectCopies = gitConfig("git-p4.detectCopies")
+ if detectCopies.lower() == "true":
+ diffOpts += " -C"
+ elif detectCopies != "" and detectCopies.lower() != "false":
+ diffOpts += " -C%s" % detectCopies
+
+ if gitConfig("git-p4.detectCopiesHarder", "--bool") == "true":
+ diffOpts += " --find-copies-harder"
+
+ 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":
+ p4_edit(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 == "C":
+ src, dest = diff['src'], diff['dst']
+ p4_integrate(src, dest)
+ if diff['src_sha1'] != diff['dst_sha1']:
+ p4_edit(dest)
+ if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
+ p4_edit(dest)
+ filesToChangeExecBit[dest] = diff['dst_mode']
+ os.unlink(dest)
+ editedFiles.add(dest)
+ elif modifier == "R":
+ src, dest = diff['src'], diff['dst']
+ p4_integrate(src, dest)
+ if diff['src_sha1'] != diff['dst_sha1']:
+ p4_edit(dest)
+ if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
+ p4_edit(dest)
+ 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 -"
+ patch_succeeded = True
+
+ if os.system(tryPatchCmd) != 0:
+ fixed_rcs_keywords = False
+ patch_succeeded = False
+ print "Unfortunately applying the change failed!"
+
+ # Patch failed, maybe it's just RCS keyword woes. Look through
+ # the patch to see if that's possible.
+ if gitConfig("git-p4.attemptRCSCleanup","--bool") == "true":
+ file = None
+ pattern = None
+ kwfiles = {}
+ for file in editedFiles | filesToDelete:
+ # did this file's delta contain RCS keywords?
+ pattern = p4_keywords_regexp_for_file(file)
+
+ if pattern:
+ # this file is a possibility...look for RCS keywords.
+ regexp = re.compile(pattern, re.VERBOSE)
+ for line in read_pipe_lines(["git", "diff", "%s^..%s" % (id, id), file]):
+ if regexp.search(line):
+ if verbose:
+ print "got keyword match on %s in %s in %s" % (pattern, line, file)
+ kwfiles[file] = pattern
+ break
+
+ for file in kwfiles:
+ if verbose:
+ print "zapping %s with %s" % (line,pattern)
+ self.patchRCSKeywords(file, kwfiles[file])
+ fixed_rcs_keywords = True
+
+ if fixed_rcs_keywords:
+ print "Retrying the patch with RCS keywords cleaned up"
+ if os.system(tryPatchCmd) == 0:
+ patch_succeeded = True
+
+ if not patch_succeeded:
+ 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:
+ p4_revert(f)
+ for f in filesToAdd:
+ os.remove(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:
+ p4_add(f)
+ for f in filesToDelete:
+ p4_revert(f)
+ p4_delete(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 self.preserveUser:
+ submitTemplate = submitTemplate + ("\n######## Actual user %s, modified after commit\n" % p4User)
+
+ if os.environ.has_key("P4DIFF"):
+ del(os.environ["P4DIFF"])
+ diff = ""
+ for editedFile in editedFiles:
+ diff += p4_read_pipe(['diff', '-du', editedFile])
+
+ 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()
+
+ if self.checkAuthorship and not self.p4UserIsMe(p4User):
+ submitTemplate += "######## git author %s does not match your p4 account.\n" % gitEmail
+ submitTemplate += "######## Use git-p4 option --preserve-user to modify authorship\n"
+ submitTemplate += "######## Use git-p4 config git-p4.skipUserNameCheck hides this message.\n"
+
+ 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()
+
+ if self.edit_template(fileName):
+ # read the edited message and submit
+ tmpFile = open(fileName, "rb")
+ message = tmpFile.read()
+ tmpFile.close()
+ submitTemplate = message[:message.index(separatorLine)]
+ if self.isWindows:
+ submitTemplate = submitTemplate.replace("\r\n", "\n")
+ p4_write_pipe(['submit', '-i'], submitTemplate)
+
+ if self.preserveUser:
+ if p4User:
+ # Get last changelist number. Cannot easily get it from
+ # the submit command output as the output is
+ # unmarshalled.
+ changelist = self.lastP4Changelist()
+ self.modifyChangelistUser(changelist, p4User)
+ else:
+ # skip this patch
+ print "Submission cancelled, undoing p4 changes."
+ for f in editedFiles:
+ p4_revert(f)
+ for f in filesToAdd:
+ p4_revert(f)
+ os.remove(f)
+
+ os.remove(fileName)
+ 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]
+ if not branchExists(self.master):
+ die("Branch %s does not exist" % self.master)
+ 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.preserveUser:
+ if not self.canChangeChangelists():
+ die("Cannot preserve user names without p4 super-user or admin permissions")
+
+ 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.useClientSpec = False
+ if gitConfig("git-p4.useclientspec", "--bool") == "true":
+ self.useClientSpec = True
+ if self.useClientSpec:
+ self.clientSpecDirs = getClientSpec()
+
+ if self.useClientSpec:
+ # all files are relative to the client spec
+ self.clientPath = getClientRoot()
+ else:
+ self.clientPath = p4Where(self.depotPath)
+
+ if self.clientPath == "":
+ die("Error: Cannot locate perforce checkout of %s in client view" % self.depotPath)
+
+ print "Perforce checkout for depot path %s located at %s" % (self.depotPath, self.clientPath)
+ self.oldWorkingDirectory = os.getcwd()
+
+ # ensure the clientPath exists
+ if not os.path.exists(self.clientPath):
+ os.makedirs(self.clientPath)
+
+ chdir(self.clientPath)
+ print "Synchronizing p4 checkout..."
+ 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()
+
+ if self.preserveUser or (gitConfig("git-p4.skipUserNameCheck") == "true"):
+ self.checkAuthorship = False
+ else:
+ self.checkAuthorship = True
+
+ if self.preserveUser:
+ self.checkValidP4Users(commits)
+
+ 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!"
+ chdir(self.oldWorkingDirectory)
+
+ sync = P4Sync()
+ sync.run([])
+
+ rebase = P4Rebase()
+ rebase.rebase()
+
+ return True
+
+class View(object):
+ """Represent a p4 view ("p4 help views"), and map files in a
+ repo according to the view."""
+
+ class Path(object):
+ """A depot or client path, possibly containing wildcards.
+ The only one supported is ... at the end, currently.
+ Initialize with the full path, with //depot or //client."""
+
+ def __init__(self, path, is_depot):
+ self.path = path
+ self.is_depot = is_depot
+ self.find_wildcards()
+ # remember the prefix bit, useful for relative mappings
+ m = re.match("(//[^/]+/)", self.path)
+ if not m:
+ die("Path %s does not start with //prefix/" % self.path)
+ prefix = m.group(1)
+ if not self.is_depot:
+ # strip //client/ on client paths
+ self.path = self.path[len(prefix):]
+
+ def find_wildcards(self):
+ """Make sure wildcards are valid, and set up internal
+ variables."""
+
+ self.ends_triple_dot = False
+ # There are three wildcards allowed in p4 views
+ # (see "p4 help views"). This code knows how to
+ # handle "..." (only at the end), but cannot deal with
+ # "%%n" or "*". Only check the depot_side, as p4 should
+ # validate that the client_side matches too.
+ if re.search(r'%%[1-9]', self.path):
+ die("Can't handle %%n wildcards in view: %s" % self.path)
+ if self.path.find("*") >= 0:
+ die("Can't handle * wildcards in view: %s" % self.path)
+ triple_dot_index = self.path.find("...")
+ if triple_dot_index >= 0:
+ if triple_dot_index != len(self.path) - 3:
+ die("Can handle only single ... wildcard, at end: %s" %
+ self.path)
+ self.ends_triple_dot = True
+
+ def ensure_compatible(self, other_path):
+ """Make sure the wildcards agree."""
+ if self.ends_triple_dot != other_path.ends_triple_dot:
+ die("Both paths must end with ... if either does;\n" +
+ "paths: %s %s" % (self.path, other_path.path))
+
+ def match_wildcards(self, test_path):
+ """See if this test_path matches us, and fill in the value
+ of the wildcards if so. Returns a tuple of
+ (True|False, wildcards[]). For now, only the ... at end
+ is supported, so at most one wildcard."""
+ if self.ends_triple_dot:
+ dotless = self.path[:-3]
+ if test_path.startswith(dotless):
+ wildcard = test_path[len(dotless):]
+ return (True, [ wildcard ])
+ else:
+ if test_path == self.path:
+ return (True, [])
+ return (False, [])
+
+ def match(self, test_path):
+ """Just return if it matches; don't bother with the wildcards."""
+ b, _ = self.match_wildcards(test_path)
+ return b
+
+ def fill_in_wildcards(self, wildcards):
+ """Return the relative path, with the wildcards filled in
+ if there are any."""
+ if self.ends_triple_dot:
+ return self.path[:-3] + wildcards[0]
+ else:
+ return self.path
+
+ class Mapping(object):
+ def __init__(self, depot_side, client_side, overlay, exclude):
+ # depot_side is without the trailing /... if it had one
+ self.depot_side = View.Path(depot_side, is_depot=True)
+ self.client_side = View.Path(client_side, is_depot=False)
+ self.overlay = overlay # started with "+"
+ self.exclude = exclude # started with "-"
+ assert not (self.overlay and self.exclude)
+ self.depot_side.ensure_compatible(self.client_side)
+
+ def __str__(self):
+ c = " "
+ if self.overlay:
+ c = "+"
+ if self.exclude:
+ c = "-"
+ return "View.Mapping: %s%s -> %s" % \
+ (c, self.depot_side.path, self.client_side.path)
+
+ def map_depot_to_client(self, depot_path):
+ """Calculate the client path if using this mapping on the
+ given depot path; does not consider the effect of other
+ mappings in a view. Even excluded mappings are returned."""
+ matches, wildcards = self.depot_side.match_wildcards(depot_path)
+ if not matches:
+ return ""
+ client_path = self.client_side.fill_in_wildcards(wildcards)
+ return client_path
+
+ #
+ # View methods
+ #
+ def __init__(self):
+ self.mappings = []
+
+ def append(self, view_line):
+ """Parse a view line, splitting it into depot and client
+ sides. Append to self.mappings, preserving order."""
+
+ # Split the view line into exactly two words. P4 enforces
+ # structure on these lines that simplifies this quite a bit.
+ #
+ # Either or both words may be double-quoted.
+ # Single quotes do not matter.
+ # Double-quote marks cannot occur inside the words.
+ # A + or - prefix is also inside the quotes.
+ # There are no quotes unless they contain a space.
+ # The line is already white-space stripped.
+ # The two words are separated by a single space.
+ #
+ if view_line[0] == '"':
+ # First word is double quoted. Find its end.
+ close_quote_index = view_line.find('"', 1)
+ if close_quote_index <= 0:
+ die("No first-word closing quote found: %s" % view_line)
+ depot_side = view_line[1:close_quote_index]
+ # skip closing quote and space
+ rhs_index = close_quote_index + 1 + 1
+ else:
+ space_index = view_line.find(" ")
+ if space_index <= 0:
+ die("No word-splitting space found: %s" % view_line)
+ depot_side = view_line[0:space_index]
+ rhs_index = space_index + 1
+
+ if view_line[rhs_index] == '"':
+ # Second word is double quoted. Make sure there is a
+ # double quote at the end too.
+ if not view_line.endswith('"'):
+ die("View line with rhs quote should end with one: %s" %
+ view_line)
+ # skip the quotes
+ client_side = view_line[rhs_index+1:-1]
+ else:
+ client_side = view_line[rhs_index:]
+
+ # prefix + means overlay on previous mapping
+ overlay = False
+ if depot_side.startswith("+"):
+ overlay = True
+ depot_side = depot_side[1:]
+
+ # prefix - means exclude this path
+ exclude = False
+ if depot_side.startswith("-"):
+ exclude = True
+ depot_side = depot_side[1:]
+
+ m = View.Mapping(depot_side, client_side, overlay, exclude)
+ self.mappings.append(m)
+
+ def map_in_client(self, depot_path):
+ """Return the relative location in the client where this
+ depot file should live. Returns "" if the file should
+ not be mapped in the client."""
+
+ paths_filled = []
+ client_path = ""
+
+ # look at later entries first
+ for m in self.mappings[::-1]:
+
+ # see where will this path end up in the client
+ p = m.map_depot_to_client(depot_path)
+
+ if p == "":
+ # Depot path does not belong in client. Must remember
+ # this, as previous items should not cause files to
+ # exist in this path either. Remember that the list is
+ # being walked from the end, which has higher precedence.
+ # Overlap mappings do not exclude previous mappings.
+ if not m.overlay:
+ paths_filled.append(m.client_side)
+
+ else:
+ # This mapping matched; no need to search any further.
+ # But, the mapping could be rejected if the client path
+ # has already been claimed by an earlier mapping (i.e.
+ # one later in the list, which we are walking backwards).
+ already_mapped_in_client = False
+ for f in paths_filled:
+ # this is View.Path.match
+ if f.match(p):
+ already_mapped_in_client = True
+ break
+ if not already_mapped_in_client:
+ # Include this file, unless it is from a line that
+ # explicitly said to exclude it.
+ if not m.exclude:
+ client_path = p
+
+ # a match, even if rejected, always stops the search
+ break
+
+ return client_path
+
+class P4Sync(Command, P4UserMap):
+ delete_actions = ( "delete", "move/delete", "purge" )
+
+ def __init__(self):
+ Command.__init__(self)
+ P4UserMap.__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.useClientSpec_from_options = False
+ self.clientSpecDirs = None
+ self.tempBranches = []
+ self.tempBranchLocation = "git-p4-tmp"
+
+ if gitConfig("git-p4.syncFromOrigin") == "false":
+ self.syncWithOrigin = False
+
+ #
+ # P4 wildcards are not allowed in filenames. P4 complains
+ # if you simply add them, but you can force it with "-f", in
+ # which case it translates them into %xx encoding internally.
+ # Search for and fix just these four characters. Do % last so
+ # that fixing it does not inadvertently create new %-escapes.
+ #
+ def wildcard_decode(self, path):
+ # Cannot have * in a filename in windows; untested as to
+ # what p4 would do in such a case.
+ if not self.isWindows:
+ path = path.replace("%2A", "*")
+ path = path.replace("%23", "#") \
+ .replace("%40", "@") \
+ .replace("%25", "%")
+ return path
+
+ # Force a checkpoint in fast-import and wait for it to finish
+ def checkpoint(self):
+ self.gitStream.write("checkpoint\n\n")
+ self.gitStream.write("progress checkpoint\n\n")
+ out = self.gitOutput.readline()
+ if self.verbose:
+ print "checkpoint finished: " + out
+
+ 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 p4PathStartsWith(path, p)]:
+ found = False
+ else:
+ found = [p for p in self.depotPaths
+ if p4PathStartsWith(path, 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.useClientSpec:
+ return self.clientSpecDirs.map_in_client(path)
+
+ if self.keepRepoPath:
+ prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
+
+ for p in prefixes:
+ if p4PathStartsWith(path, 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 p4PathStartsWith(path, 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
+
+ # output one file from the P4 stream
+ # - helper for streamP4Files
+
+ def streamOneP4File(self, file, contents):
+ relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
+ relPath = self.wildcard_decode(relPath)
+ if verbose:
+ sys.stderr.write("%s\n" % relPath)
+
+ (type_base, type_mods) = split_p4_type(file["type"])
+
+ git_mode = "100644"
+ if "x" in type_mods:
+ git_mode = "100755"
+ if type_base == "symlink":
+ git_mode = "120000"
+ # p4 print on a symlink contains "target\n"; remove the newline
+ data = ''.join(contents)
+ contents = [data[:-1]]
+
+ if type_base == "utf16":
+ # p4 delivers different text in the python output to -G
+ # than it does when using "print -o", or normal p4 client
+ # operations. utf16 is converted to ascii or utf8, perhaps.
+ # But ascii text saved as -t utf16 is completely mangled.
+ # Invoke print -o to get the real contents.
+ text = p4_read_pipe(['print', '-q', '-o', '-', file['depotFile']])
+ contents = [ text ]
+
+ if type_base == "apple":
+ # Apple filetype files will be streamed as a concatenation of
+ # its appledouble header and the contents. This is useless
+ # on both macs and non-macs. If using "print -q -o xx", it
+ # will create "xx" with the data, and "%xx" with the header.
+ # This is also not very useful.
+ #
+ # Ideally, someday, this script can learn how to generate
+ # appledouble files directly and import those to git, but
+ # non-mac machines can never find a use for apple filetype.
+ print "\nIgnoring apple filetype file %s" % file['depotFile']
+ return
+
+ # Perhaps windows wants unicode, utf16 newlines translated too;
+ # but this is not doing it.
+ if self.isWindows and type_base == "text":
+ mangled = []
+ for data in contents:
+ data = data.replace("\r\n", "\n")
+ mangled.append(data)
+ contents = mangled
+
+ # Note that we do not try to de-mangle keywords on utf16 files,
+ # even though in theory somebody may want that.
+ pattern = p4_keywords_regexp_for_type(type_base, type_mods)
+ if pattern:
+ regexp = re.compile(pattern, re.VERBOSE)
+ text = ''.join(contents)
+ text = regexp.sub(r'$\1$', text)
+ contents = [ text ]
+
+ self.gitStream.write("M %s inline %s\n" % (git_mode, relPath))
+
+ # total length...
+ length = 0
+ for d in contents:
+ length = length + len(d)
+
+ self.gitStream.write("data %d\n" % length)
+ for d in contents:
+ self.gitStream.write(d)
+ self.gitStream.write("\n")
+
+ def streamOneP4Deletion(self, file):
+ relPath = self.stripRepoPath(file['path'], self.branchPrefixes)
+ if verbose:
+ sys.stderr.write("delete %s\n" % relPath)
+ self.gitStream.write("D %s\n" % relPath)
+
+ # handle another chunk of streaming data
+ def streamP4FilesCb(self, marshalled):
+
+ if marshalled.has_key('depotFile') and self.stream_have_file_info:
+ # start of a new file - output the old one first
+ self.streamOneP4File(self.stream_file, self.stream_contents)
+ self.stream_file = {}
+ self.stream_contents = []
+ self.stream_have_file_info = False
+
+ # pick up the new file information... for the
+ # 'data' field we need to append to our array
+ for k in marshalled.keys():
+ if k == 'data':
+ self.stream_contents.append(marshalled['data'])
+ else:
+ self.stream_file[k] = marshalled[k]
+
+ self.stream_have_file_info = True
+
+ # Stream directly from "p4 files" into "git fast-import"
+ def streamP4Files(self, files):
+ filesForCommit = []
+ filesToRead = []
+ filesToDelete = []
+
+ for f in files:
+ # if using a client spec, only add the files that have
+ # a path in the client
+ if self.clientSpecDirs:
+ if self.clientSpecDirs.map_in_client(f['path']) == "":
+ continue
+
+ filesForCommit.append(f)
+ if f['action'] in self.delete_actions:
+ filesToDelete.append(f)
+ else:
+ filesToRead.append(f)
+
+ # deleted files...
+ for f in filesToDelete:
+ self.streamOneP4Deletion(f)
+
+ if len(filesToRead) > 0:
+ self.stream_file = {}
+ self.stream_contents = []
+ self.stream_have_file_info = False
+
+ # curry self argument
+ def streamP4FilesCbSelf(entry):
+ self.streamP4FilesCb(entry)
+
+ fileArgs = ['%s#%s' % (f['path'], f['rev']) for f in filesToRead]
+
+ p4CmdList(["-x", "-", "print"],
+ stdin=fileArgs,
+ cb=streamP4FilesCbSelf)
+
+ # do the last chunk
+ if self.stream_file.has_key('depotFile'):
+ self.streamOneP4File(self.stream_file, self.stream_contents)
+
+ def make_email(self, userid):
+ if userid in self.users:
+ return self.users[userid]
+ else:
+ return "%s <a@b>" % userid
+
+ def commit(self, details, files, branch, branchPrefixes, parent = ""):
+ epoch = details["time"]
+ author = details["user"]
+ self.branchPrefixes = branchPrefixes
+
+ 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 p4PathStartsWith(f['path'], p)]:
+ new_files.append (f)
+ else:
+ sys.stderr.write("Ignoring file outside of prefix: %s\n" % f['path'])
+
+ 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()
+ committer = "%s %s %s" % (self.make_email(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)
+
+ self.streamP4Files(new_files)
+ 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"] + ["%s...@%s" % (p, change)
+ for p in branchPrefixes])
+
+ if len(files) == len(labelRevisions):
+
+ cleanedFiles = {}
+ for info in files:
+ if info["action"] in self.delete_actions:
+ 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"]
+
+ # Try to use the owner of the p4 label, or failing that,
+ # the current p4 user id.
+ if owner:
+ email = self.make_email(owner)
+ else:
+ email = self.make_email(self.p4UserId())
+ tagger = "%s %s %s" % (email, epoch, self.tz)
+
+ self.gitStream.write("tagger %s\n" % tagger)
+
+ description = labelDetails["Description"]
+ self.gitStream.write("data %d\n" % len(description))
+ self.gitStream.write(description)
+ self.gitStream.write("\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 getLabels(self):
+ self.labels = {}
+
+ l = p4CmdList(["labels"] + ["%s..." % p for p in 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"] +
+ ["%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()
+
+ user = gitConfig("git-p4.branchUser")
+ if len(user) > 0:
+ command = "branches -u %s" % user
+ else:
+ command = "branches"
+
+ for info in p4CmdList(command):
+ details = p4Cmd(["branch", "-o", 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 p4PathStartsWith(source, self.depotPaths[0]) and p4PathStartsWith(destination, 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)
+
+ # Perforce does not strictly require branches to be defined, so we also
+ # check git config for a branch list.
+ #
+ # Example of branch definition in git config file:
+ # [git-p4]
+ # branchList=main:branchA
+ # branchList=main:branchB
+ # branchList=branchA:branchC
+ configBranches = gitConfigList("git-p4.branchList")
+ for branch in configBranches:
+ if branch:
+ (source, destination) = branch.split(":")
+ 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 searchParent(self, parent, branch, target):
+ parentFound = False
+ for blob in read_pipe_lines(["git", "rev-list", "--reverse", "--no-merges", parent]):
+ blob = blob.strip()
+ if len(read_pipe(["git", "diff-tree", blob, target])) == 0:
+ parentFound = True
+ if self.verbose:
+ print "Found parent of %s in commit %s" % (branch, blob)
+ break
+ if parentFound:
+ return blob
+ else:
+ return None
+
+ def importChanges(self, changes):
+ cnt = 1
+ for change in changes:
+ description = p4Cmd(["describe", str(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]
+
+ blob = None
+ if len(parent) > 0:
+ tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change))
+ if self.verbose:
+ print "Creating temporary branch: " + tempBranch
+ self.commit(description, filesForCommit, tempBranch, [branchPrefix])
+ self.tempBranches.append(tempBranch)
+ self.checkpoint()
+ blob = self.searchParent(parent, branch, tempBranch)
+ if blob:
+ self.commit(description, filesForCommit, branch, [branchPrefix], blob)
+ else:
+ if self.verbose:
+ print "Parent of %s not found. Committing into head of %s" % (branch, parent)
+ 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 = {}
+ details["user"] = "git perforce import user"
+ details["desc"] = ("Initial import of %s from the state at revision %s\n"
+ % (' '.join(self.depotPaths), revision))
+ details["change"] = revision
+ newestRevision = 0
+
+ fileCnt = 0
+ fileArgs = ["%s...%s" % (p,revision) for p in self.depotPaths]
+
+ for info in p4CmdList(["files"] + fileArgs):
+
+ if 'code' in info and info['code'] == 'error':
+ sys.stderr.write("p4 returned an error: %s\n"
+ % info['data'])
+ if info['data'].find("must refer to client") >= 0:
+ sys.stderr.write("This particular p4 error is misleading.\n")
+ sys.stderr.write("Perhaps the depot path was misspelled.\n");
+ sys.stderr.write("Depot path: %s\n" % " ".join(self.depotPaths))
+ sys.exit(1)
+ if 'p4ExitCode' in info:
+ sys.stderr.write("p4 exitcode: %s\n" % info['p4ExitCode'])
+ sys.exit(1)
+
+
+ change = int(info["change"])
+ if change > newestRevision:
+ newestRevision = change
+
+ if info["action"] in self.delete_actions:
+ # 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
+
+ # Use time from top-most change so that all git-p4 clones of
+ # the same p4 repo have the same commit SHA1s.
+ res = p4CmdList("describe -s %d" % newestRevision)
+ newestTime = None
+ for r in res:
+ if r.has_key('time'):
+ newestTime = int(r['time'])
+ if newestTime is None:
+ die("\"describe -s\" on newest change %d did not give a time")
+ details["time"] = newestTime
+
+ 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 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))
+
+ # accept either the command-line option, or the configuration variable
+ if self.useClientSpec:
+ # will use this after clone to set the variable
+ self.useClientSpec_from_options = True
+ else:
+ if gitConfig("git-p4.useclientspec", "--bool") == "true":
+ self.useClientSpec = True
+ if self.useClientSpec:
+ self.clientSpecDirs = 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):
+ prev_list = prev.split("/")
+ cur_list = cur.split("/")
+ for i in range(0, min(len(cur_list), len(prev_list))):
+ if cur_list[i] <> prev_list[i]:
+ i = i - 1
+ break
+
+ paths.append ("/".join(cur_list[: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 = {}
+
+ # Make sure no revision specifiers are used when --changesfile
+ # is specified.
+ bad_changesfile = False
+ if len(self.changesFile) > 0:
+ for p in self.depotPaths:
+ if p.find("@") >= 0 or p.find("#") >= 0:
+ bad_changesfile = True
+ break
+ if bad_changesfile:
+ die("Option --changesfile is incompatible with revision specifiers")
+
+ 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 == []:
+ # pay attention to changesfile, if given, else import
+ # the entire p4 tree at the head revision
+ if len(self.changesFile) == 0:
+ 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:
+ # catch "git-p4 sync" with no new branches, in a repo that
+ # does not have any existing git-p4 branches
+ if len(args) == 0 and not self.p4BranchesInGit:
+ die("No remote p4 branches. Perhaps you never did \"git p4 clone\" in here.");
+ 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()
+
+ # Cleanup temporary branches created during import
+ if self.tempBranches != []:
+ for branch in self.tempBranches:
+ read_pipe("git update-ref -d %s" % branch)
+ os.rmdir(os.path.join(os.environ.get("GIT_DIR", ".git"), self.tempBranchLocation))
+
+ 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"),
+ optparse.make_option("--bare", dest="cloneBare",
+ action="store_true", default=False),
+ ]
+ self.cloneDestination = None
+ self.needsGit = False
+ self.cloneBare = 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)
+ chdir(self.cloneDestination)
+
+ init_cmd = [ "git", "init" ]
+ if self.cloneBare:
+ init_cmd.append("--bare")
+ subprocess.check_call(init_cmd)
+
+ if not P4Sync.run(self, depotPaths):
+ return False
+ if self.branch != "master":
+ if self.importIntoRemotes:
+ masterbranch = "refs/remotes/p4/master"
+ else:
+ masterbranch = "refs/heads/p4/master"
+ if gitBranchExists(masterbranch):
+ system("git branch master %s" % masterbranch)
+ if not self.cloneBare:
+ system("git checkout -f")
+ else:
+ print "Could not detect main branch. No checkout/master branch created."
+
+ # auto-set this variable if invoked with --use-client-spec
+ if self.useClientSpec_from_options:
+ system("git config --bool git-p4.useclientspec true")
+
+ 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:
+ if cmd.needsGit:
+ 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:
+ 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()
+ sys.exit(2)
+
+
+if __name__ == '__main__':
+ main()