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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 /contrib/fast-import
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 'contrib/fast-import')
-rwxr-xr-xcontrib/fast-import/git-p42758
-rw-r--r--contrib/fast-import/git-p4.README12
-rw-r--r--contrib/fast-import/git-p4.bat1
3 files changed, 12 insertions, 2759 deletions
diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4
deleted file mode 100755
index c5362c4..0000000
--- a/contrib/fast-import/git-p4
+++ /dev/null
@@ -1,2758 +0,0 @@
-#!/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()
diff --git a/contrib/fast-import/git-p4.README b/contrib/fast-import/git-p4.README
new file mode 100644
index 0000000..cec5ecf
--- /dev/null
+++ b/contrib/fast-import/git-p4.README
@@ -0,0 +1,12 @@
+The git-p4 script moved to the top-level of the git source directory.
+
+Invoke it as any other git command, like "git p4 clone", for instance.
+
+Note that the top-level git-p4.py script is now the source. It is
+built using make to git-p4, which will be installed.
+
+Windows users can copy the git-p4.py source script directly, possibly
+invoking it through a batch file called "git-p4.bat" in the same folder.
+It should contain just one line:
+
+ @python "%~d0%~p0git-p4.py" %*
diff --git a/contrib/fast-import/git-p4.bat b/contrib/fast-import/git-p4.bat
deleted file mode 100644
index 9f97e88..0000000
--- a/contrib/fast-import/git-p4.bat
+++ /dev/null
@@ -1 +0,0 @@
-@python "%~d0%~p0git-p4" %*