#
# git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
#
-# Author: Simon Hausmann <hausmann@kde.org>
-# Copyright: 2007 Simon Hausmann <hausmann@kde.org>
+# Author: Simon Hausmann <simon@lst.de>
+# Copyright: 2007 Simon Hausmann <simon@lst.de>
# 2007 Trolltech ASA
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
#
import optparse, sys, os, marshal, popen2, subprocess, shelve
import tempfile, getopt, sha, os.path, time, platform
import re
+
from sets import Set;
-gitdir = os.environ.get("GIT_DIR", "")
+verbose = False
+
+def die(msg):
+ if verbose:
+ raise Exception(msg)
+ else:
+ sys.stderr.write(msg + "\n")
+ sys.exit(1)
+
+def write_pipe(c, str):
+ if verbose:
+ sys.stderr.write('Writing pipe: %s\n' % c)
+
+ pipe = os.popen(c, 'w')
+ val = pipe.write(str)
+ if pipe.close():
+ die('Command failed: %s' % c)
+
+ return val
+
+def read_pipe(c, ignore_error=False):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % c)
+
+ pipe = os.popen(c, 'rb')
+ val = pipe.read()
+ if pipe.close() and not ignore_error:
+ die('Command failed: %s' % c)
+
+ return val
-def mypopen(command):
- return os.popen(command, "rb");
-def p4CmdList(cmd):
+def read_pipe_lines(c):
+ if verbose:
+ sys.stderr.write('Reading pipe: %s\n' % c)
+ ## todo: check return status
+ pipe = os.popen(c, 'rb')
+ val = pipe.readlines()
+ if pipe.close():
+ die('Command failed: %s' % c)
+
+ return val
+
+def system(cmd):
+ if verbose:
+ sys.stderr.write("executing %s\n" % cmd)
+ if os.system(cmd) != 0:
+ die("command failed: %s" % cmd)
+
+def p4CmdList(cmd, stdin=None, stdin_mode='w+b'):
cmd = "p4 -G %s" % cmd
- pipe = os.popen(cmd, "rb")
+ if verbose:
+ sys.stderr.write("Opening pipe: %s\n" % cmd)
+
+ # Use a temporary file to avoid deadlocks without
+ # subprocess.communicate(), which would put another copy
+ # of stdout into memory.
+ stdin_file = None
+ if stdin is not None:
+ stdin_file = tempfile.TemporaryFile(prefix='p4-stdin', mode=stdin_mode)
+ stdin_file.write(stdin)
+ stdin_file.flush()
+ stdin_file.seek(0)
+
+ p4 = subprocess.Popen(cmd, shell=True,
+ stdin=stdin_file,
+ stdout=subprocess.PIPE)
result = []
try:
while True:
- entry = marshal.load(pipe)
+ entry = marshal.load(p4.stdout)
result.append(entry)
except EOFError:
pass
- exitCode = pipe.close()
- if exitCode != None:
+ exitCode = p4.wait()
+ if exitCode != 0:
entry = {}
entry["p4ExitCode"] = exitCode
result.append(entry)
clientPath = clientPath[:-3]
return clientPath
-def die(msg):
- sys.stderr.write(msg + "\n")
- sys.exit(1)
-
def currentGitBranch():
- return mypopen("git name-rev HEAD").read().split(" ")[1][:-1]
+ 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"):
+ if (os.path.exists(path + "/HEAD")
+ and os.path.exists(path + "/refs") and os.path.exists(path + "/objects")):
return True;
return False
def parseRevision(ref):
- return mypopen("git rev-parse %s" % ref).read()[:-1]
-
-def system(cmd):
- if os.system(cmd) != 0:
- die("command failed: %s" % cmd)
+ return read_pipe("git rev-parse %s" % ref).strip()
def extractLogMessageFromGitCommit(commit):
logMessage = ""
+
+ ## fixme: title is first line of commit, not 1st paragraph.
foundTitle = False
- for log in mypopen("git cat-file commit %s" % commit).readlines():
+ for log in read_pipe_lines("git cat-file commit %s" % commit):
if not foundTitle:
if len(log) == 1:
foundTitle = True
logMessage += log
return logMessage
-def extractDepotPathAndChangeFromGitLog(log):
+def extractSettingsGitLog(log):
values = {}
for line in log.split("\n"):
line = line.strip()
- if line.startswith("[git-p4:") and line.endswith("]"):
- line = line[8:-1].strip()
- for assignment in line.split(":"):
- variable = assignment.strip()
- value = ""
- equalPos = assignment.find("=")
- if equalPos != -1:
- variable = assignment[:equalPos].strip()
- value = assignment[equalPos + 1:].strip()
- if value.startswith("\"") and value.endswith("\""):
- value = value[1:-1]
- values[variable] = value
-
- return values.get("depot-path"), values.get("change")
+ 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);
+ proc = subprocess.Popen(["git", "rev-parse", branch],
+ stderr=subprocess.PIPE, stdout=subprocess.PIPE);
return proc.wait() == 0;
def gitConfig(key):
- return mypopen("git config %s" % key).read()[:-1]
+ return read_pipe("git config %s" % key, ignore_error=True).strip()
+
+def p4BranchesInGit(branchesAreInRemotes = True):
+ branches = {}
+
+ cmdline = "git rev-parse --symbolic "
+ if branchesAreInRemotes:
+ cmdline += " --remotes"
+ else:
+ cmdline += " --branches"
+
+ for line in read_pipe_lines(cmdline):
+ line = line.strip()
+
+ ## only import to p4/
+ if not line.startswith('p4/') or line == "p4/HEAD":
+ continue
+ branch = line
+
+ # strip off p4
+ branch = re.sub ("^p4/", "", line)
+
+ branches[branch] = parseRevision(line)
+ return branches
+
+def findUpstreamBranchPoint(head = "HEAD"):
+ branches = p4BranchesInGit()
+ # map from depot-path to branch name
+ branchByDepotPath = {}
+ for branch in branches.keys():
+ tip = branches[branch]
+ log = extractLogMessageFromGitCommit(tip)
+ settings = extractSettingsGitLog(log)
+ if settings.has_key("depot-paths"):
+ paths = ",".join(settings["depot-paths"])
+ branchByDepotPath[paths] = "remotes/p4/" + branch
+
+ settings = None
+ parent = 0
+ while parent < 65535:
+ commit = head + "~%s" % parent
+ log = extractLogMessageFromGitCommit(commit)
+ settings = extractSettingsGitLog(log)
+ if settings.has_key("depot-paths"):
+ paths = ",".join(settings["depot-paths"])
+ if branchByDepotPath.has_key(paths):
+ return [branchByDepotPath[paths], settings]
+
+ parent = parent + 1
+
+ return ["", settings]
class Command:
def __init__(self):
def __init__(self):
Command.__init__(self)
self.options = [
- ]
+ optparse.make_option("--verbose", dest="verbose", action="store_true",
+ default=False),
+ ]
self.description = "A tool to debug the output of p4 -G."
self.needsGit = False
+ self.verbose = False
def run(self, args):
+ j = 0
for output in p4CmdList(" ".join(args)):
+ print 'Element: %d' % j
+ j += 1
print output
return True
if self.rollbackLocalBranches:
refPrefix = "refs/heads/"
- lines = mypopen("git rev-parse --symbolic --branches").readlines()
+ lines = read_pipe_lines("git rev-parse --symbolic --branches")
else:
refPrefix = "refs/remotes/"
- lines = mypopen("git rev-parse --symbolic --remotes").readlines()
+ 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"):
- ref = refPrefix + line[:-1]
+ line = line.strip()
+ ref = refPrefix + line
log = extractLogMessageFromGitCommit(ref)
- depotPath, change = extractDepotPathAndChangeFromGitLog(log)
+ settings = extractSettingsGitLog(log)
+
+ depotPaths = settings['depot-paths']
+ change = settings['change']
+
changed = False
- if len(p4Cmd("changes -m 1 %s...@%s" % (depotPath, maxChange))) == 0:
+ 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 len(change) > 0 and int(change) > maxChange:
+ 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)
- depotPath, change = extractDepotPathAndChangeFromGitLog(log)
+ settings = extractSettingsGitLog(log)
+
+
+ depotPaths = settings['depot-paths']
+ change = settings['change']
if changed:
print "%s rewound to %s" % (ref, change)
Command.__init__(self)
self.options = [
optparse.make_option("--continue", action="store_false", dest="firstTime"),
+ optparse.make_option("--verbose", dest="verbose", action="store_true"),
optparse.make_option("--origin", dest="origin"),
optparse.make_option("--reset", action="store_true", dest="reset"),
optparse.make_option("--log-substitutions", dest="substFile"),
self.origin = ""
self.directSubmit = False
self.trustMeLikeAFool = False
+ self.verbose = False
+ self.isWindows = (platform.system() == "Windows")
self.logSubstitutions = {}
self.logSubstitutions["<enter description here>"] = "%log%"
if self.directSubmit:
commits.append("0")
else:
- for line in mypopen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
- commits.append(line[:-1])
+ for line in read_pipe_lines("git rev-list --no-merges %s..%s" % (self.origin, self.master)):
+ commits.append(line.strip())
commits.reverse()
self.config["commits"] = commits
print "Applying local change in working directory/index"
diff = self.diffStatus
else:
- print "Applying %s" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
- diff = mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
+ print "Applying %s" % (read_pipe("git log --max-count=1 --pretty=oneline %s" % id))
+ diff = read_pipe_lines("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id))
filesToAdd = set()
filesToDelete = set()
editedFiles = set()
system(applyPatchCmd)
for f in filesToAdd:
- system("p4 add %s" % f)
+ system("p4 add \"%s\"" % f)
for f in filesToDelete:
- system("p4 revert %s" % f)
- system("p4 delete %s" % f)
+ system("p4 revert \"%s\"" % f)
+ system("p4 delete \"%s\"" % f)
logMessage = ""
if not self.directSubmit:
logMessage = extractLogMessageFromGitCommit(id)
logMessage = logMessage.replace("\n", "\n\t")
- logMessage = logMessage[:-1]
+ if self.isWindows:
+ logMessage = logMessage.replace("\n", "\r\n")
+ logMessage = logMessage.strip()
- template = mypopen("p4 change -o").read()
+ template = read_pipe("p4 change -o")
if self.interactive:
submitTemplate = self.prepareLogMessage(template, logMessage)
- diff = mypopen("p4 diff -du ...").read()
+ diff = read_pipe("p4 diff -du ...")
for newFile in filesToAdd:
diff += "==== new file ====\n"
tmpFile.close()
os.remove(fileName)
submitTemplate = message[:message.index(separatorLine)]
+ if self.isWindows:
+ submitTemplate = submitTemplate.replace("\r\n", "\n")
if response == "y" or response == "yes":
if self.dryRun:
if self.directSubmit:
print "Submitting to git first"
os.chdir(self.oldWorkingDirectory)
- pipe = os.popen("git commit -a -F -", "wb")
- pipe.write(submitTemplate)
- pipe.close()
+ write_pipe("git commit -a -F -", submitTemplate)
os.chdir(self.clientPath)
- pipe = os.popen("p4 submit -i", "wb")
- pipe.write(submitTemplate)
- pipe.close()
+ write_pipe("p4 submit -i", submitTemplate)
elif response == "s":
for f in editedFiles:
system("p4 revert \"%s\"" % f);
% (fileName, fileName))
def run(self, args):
- global gitdir
- # make gitdir absolute so we can cd out into the perforce checkout
- gitdir = os.path.abspath(gitdir)
- os.environ["GIT_DIR"] = gitdir
-
if len(args) == 0:
self.master = currentGitBranch()
if len(self.master) == 0 or not gitBranchExists("refs/heads/%s" % self.master):
else:
return False
- depotPath = ""
- if gitBranchExists("p4"):
- [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
- if len(depotPath) == 0 and gitBranchExists("origin"):
- [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
+ [upstream, settings] = findUpstreamBranchPoint()
+ depotPath = settings['depot-paths'][0]
+ if len(self.origin) == 0:
+ self.origin = upstream
+
+ if self.verbose:
+ print "Origin branch is " + self.origin
if len(depotPath) == 0:
print "Internal error: cannot locate perforce depot path from existing branches"
self.oldWorkingDirectory = os.getcwd()
if self.directSubmit:
- self.diffStatus = mypopen("git diff -r --name-status HEAD").readlines()
+ self.diffStatus = read_pipe_lines("git diff -r --name-status HEAD")
if len(self.diffStatus) == 0:
print "No changes in working directory to submit."
return True
- patch = mypopen("git diff -p --binary --diff-filter=ACMRTUXB HEAD").read()
- self.diffFile = gitdir + "/p4-git-diff"
+ patch = read_pipe("git diff -p --binary --diff-filter=ACMRTUXB HEAD")
+ self.diffFile = self.gitdir + "/p4-git-diff"
f = open(self.diffFile, "wb")
f.write(patch)
f.close();
if response == "y" or response == "yes":
system("p4 sync ...")
- if len(self.origin) == 0:
- if gitBranchExists("p4"):
- self.origin = "p4"
- else:
- self.origin = "origin"
-
if self.reset:
self.firstTime = True
if len(self.substFile) > 0:
for line in open(self.substFile, "r").readlines():
- tokens = line[:-1].split("=")
+ tokens = line.strip().split("=")
self.logSubstitutions[tokens[0]] = tokens[1]
self.check()
- self.configFile = gitdir + "/p4-git-sync.cfg"
+ self.configFile = self.gitdir + "/p4-git-sync.cfg"
self.config = shelve.open(self.configFile, writeback=True)
if self.firstTime:
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"),
- optparse.make_option("--max-changes", dest="maxChanges")
+ 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")
]
self.description = """Imports from Perforce into a git repository.\n
example:
(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.importIntoRemotes = True
self.maxChanges = ""
self.isWindows = (platform.system() == "Windows")
+ self.keepRepoPath = False
+ self.depotPaths = None
+ self.p4BranchesInGit = []
if gitConfig("git-p4.syncFromOrigin") == "false":
self.syncWithOrigin = False
- def p4File(self, depotPath):
- return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
-
def extractFilesFromCommit(self, commit):
files = []
fnum = 0
while commit.has_key("depotFile%s" % fnum):
path = commit["depotFile%s" % fnum]
- if not path.startswith(self.depotPath):
- # if not self.silent:
- # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
+
+ found = [p for p in self.depotPaths
+ if path.startswith (p)]
+ if not found:
fnum = fnum + 1
continue
fnum = fnum + 1
return files
+ def stripRepoPath(self, path, prefixes):
+ if self.keepRepoPath:
+ prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
+
+ for p in prefixes:
+ if path.startswith(p):
+ path = path[len(p):]
+
+ return path
+
def splitFilesIntoBranches(self, commit):
branches = {}
-
fnum = 0
while commit.has_key("depotFile%s" % fnum):
path = commit["depotFile%s" % fnum]
- if not path.startswith(self.depotPath):
- # if not self.silent:
- # print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, self.depotPath, change)
+ found = [p for p in self.depotPaths
+ if path.startswith (p)]
+ if not found:
fnum = fnum + 1
continue
file["type"] = commit["type%s" % fnum]
fnum = fnum + 1
- relPath = path[len(self.depotPath):]
+ relPath = self.stripRepoPath(path, self.depotPaths)
for branch in self.knownBranches.keys():
- if relPath.startswith(branch + "/"): # add a trailing slash so that a commit into qt/4.2foo doesn't end up in qt/4.2
+
+ # 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
- def commit(self, details, files, branch, branchPrefix, parent = ""):
+ ## Should move this out, doesn't use SELF.
+ def readP4Files(self, files):
+ files = [f for f in files
+ if f['action'] != 'delete']
+
+ if not files:
+ return
+
+ filedata = p4CmdList('-x - print',
+ stdin='\n'.join(['%s#%s' % (f['path'], f['rev'])
+ for f in files]),
+ stdin_mode='w+')
+ if "p4ExitCode" in filedata[0]:
+ die("Problems executing p4. Error: [%d]."
+ % (filedata[0]['p4ExitCode']));
+
+ j = 0;
+ contents = {}
+ while j < len(filedata):
+ stat = filedata[j]
+ j += 1
+ text = ''
+ while j < len(filedata) and filedata[j]['code'] in ('text',
+ 'binary'):
+ text += filedata[j]['data']
+ j += 1
+
+
+ if not stat.has_key('depotFile'):
+ sys.stderr.write("p4 print fails with: %s\n" % repr(stat))
+ continue
+
+ contents[stat['depotFile']] = text
+
+ for f in files:
+ assert not f.has_key('data')
+ f['data'] = contents[f['path']]
+
+ def commit(self, details, files, branch, branchPrefixes, parent = ""):
epoch = details["time"]
author = details["user"]
if self.verbose:
print "commit into %s" % branch
+ # start with reading files; if that fails, we should not
+ # create a commit.
+ new_files = []
+ for f in files:
+ if [p for p in branchPrefixes if f['path'].startswith(p)]:
+ new_files.append (f)
+ else:
+ sys.stderr.write("Ignoring file outside of prefix: %s\n" % path)
+ files = new_files
+ self.readP4Files(files)
+
+
+
+
self.gitStream.write("commit %s\n" % branch)
- # gitStream.write("mark :%s\n" % details["change"])
+# gitStream.write("mark :%s\n" % details["change"])
self.committedChanges.add(int(details["change"]))
committer = ""
if author not in self.users:
self.gitStream.write("data <<EOT\n")
self.gitStream.write(details["desc"])
- self.gitStream.write("\n[git-p4: depot-path = \"%s\": change = %s]\n" % (branchPrefix, details["change"]))
- self.gitStream.write("EOT\n\n")
+ 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:
self.gitStream.write("from %s\n" % parent)
for file in files:
- path = file["path"]
- if not path.startswith(branchPrefix):
- # print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
- continue
- rev = file["rev"]
- depotPath = path + "#" + rev
- relPath = path[len(branchPrefix):]
- action = file["action"]
-
if file["type"] == "apple":
- print "\nfile %s is a strange apple file that forks. Ignoring!" % path
+ print "\nfile %s is a strange apple file that forks. Ignoring!" % file['path']
continue
- if action == "delete":
+ relPath = self.stripRepoPath(file['path'], branchPrefixes)
+ if file["action"] == "delete":
self.gitStream.write("D %s\n" % relPath)
else:
mode = 644
if file["type"].startswith("x"):
mode = 755
- data = self.p4File(depotPath)
+ data = file['data']
if self.isWindows and file["type"].endswith("text"):
data = data.replace("\r\n", "\n")
- self.gitStream.write("M %s inline %s\n" % (mode, relPath))
+ self.gitStream.write("M %d inline %s\n" % (mode, relPath))
self.gitStream.write("data %s\n" % len(data))
self.gitStream.write(data)
self.gitStream.write("\n")
if self.verbose:
print "Change %s is labelled %s" % (change, labelDetails)
- files = p4CmdList("files %s...@%s" % (branchPrefix, change))
+ files = p4CmdList("files " + ' '.join (["%s...@%s" % (p, change)
+ for p in branchPrefixes]))
if len(files) == len(labelRevisions):
print ("Tag %s does not match with change %s: file count is different."
% (labelDetails["label"], change))
+ def getUserCacheFilename(self):
+ return os.environ["HOME"] + "/.gitp4-usercache.txt"
+
def getUserMapFromPerforceServer(self):
if self.userMapFromPerforceServer:
return
continue
self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
- cache = open(gitdir + "/p4-usercache.txt", "wb")
- for user in self.users.keys():
- cache.write("%s\t%s\n" % (user, self.users[user]))
- cache.close();
+
+ s = ''
+ for (key, val) in self.users.items():
+ s += "%s\t%s\n" % (key, val)
+
+ open(self.getUserCacheFilename(), "wb").write(s)
self.userMapFromPerforceServer = True
def loadUserMapFromCache(self):
self.users = {}
self.userMapFromPerforceServer = False
try:
- cache = open(gitdir + "/p4-usercache.txt", "rb")
+ cache = open(self.getUserCacheFilename(), "rb")
lines = cache.readlines()
cache.close()
for line in lines:
- entry = line[:-1].split("\t")
+ entry = line.strip().split("\t")
self.users[entry[0]] = entry[1]
except IOError:
self.getUserMapFromPerforceServer()
def getLabels(self):
self.labels = {}
- l = p4CmdList("labels %s..." % self.depotPath)
+ l = p4CmdList("labels %s..." % ' '.join (self.depotPaths))
if len(l) > 0 and not self.silent:
- print "Finding files belonging to labels in %s" % self.depotPath
+ print "Finding files belonging to labels in %s" % `self.depotPath`
for output in l:
label = output["label"]
newestChange = 0
if self.verbose:
print "Querying files for label %s" % label
- for file in p4CmdList("files %s...@%s" % (self.depotPath, label)):
+ for file in p4CmdList("files "
+ + ' '.join (["%s...@%s" % (p, label)
+ for p in self.depotPaths])):
revisions[file["depotFile"]] = file["rev"]
change = int(file["change"])
if change > newestChange:
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):
- self.projectName = self.depotPath[self.depotPath[:-1].rfind("/") + 1:]
+ lostAndFoundBranches = set()
for info in p4CmdList("branches"):
details = p4Cmd("branch -o %s" % info["branch"])
continue
source = paths[0]
destination = paths[1]
- if source.startswith(self.depotPath) and destination.startswith(self.depotPath):
- source = source[len(self.depotPath):-4]
- destination = destination[len(self.depotPath):-4]
- if destination not in self.knownBranches:
- self.knownBranches[destination] = source
+ ## HACK
+ if source.startswith(self.depotPaths[0]) and destination.startswith(self.depotPaths[0]):
+ source = source[len(self.depotPaths[0]):-4]
+ destination = destination[len(self.depotPaths[0]):-4]
+
+ if destination in self.knownBranches:
+ if not self.silent:
+ print "p4 branch %s defines a mapping from %s to %s" % (info["branch"], source, destination)
+ print "but there exists another mapping from %s to %s already!" % (self.knownBranches[destination], destination)
+ continue
+
+ self.knownBranches[destination] = source
+
+ lostAndFoundBranches.discard(destination)
+
if source not in self.knownBranches:
- self.knownBranches[source] = source
+ lostAndFoundBranches.add(source)
+
+
+ for branch in lostAndFoundBranches:
+ self.knownBranches[branch] = branch
def listExistingP4GitBranches(self):
self.p4BranchesInGit = []
else:
cmdline += " --branches"
- for line in mypopen(cmdline).readlines():
- if self.importIntoRemotes and ((not line.startswith("p4/")) or line == "p4/HEAD\n"):
+ for line in read_pipe_lines(cmdline):
+ line = line.strip()
+
+ ## only import to p4/
+ if not line.startswith('p4/') or line == "p4/HEAD":
continue
- if self.importIntoRemotes:
- # strip off p4
- branch = line[3:-1]
- else:
- branch = line[:-1]
+ branch = line
+
+ # strip off p4
+ branch = re.sub ("^p4/", "", line)
+
self.p4BranchesInGit.append(branch)
- self.initialParents[self.refPrefix + branch] = parseRevision(line[:-1])
+ self.initialParents[self.refPrefix + branch] = parseRevision(line)
def createOrUpdateBranchesFromOrigin(self):
if not self.silent:
- print "Creating/updating branch(es) in %s based on origin branch(es)" % self.refPrefix
+ print ("Creating/updating branch(es) in %s based on origin branch(es)"
+ % self.refPrefix)
+
+ originPrefix = "origin/p4/"
- for line in mypopen("git rev-parse --symbolic --remotes"):
- if (not line.startswith("origin/")) or line.endswith("HEAD\n"):
+ 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("origin/"):-1]
+ headName = line[len(originPrefix):]
remoteHead = self.refPrefix + headName
- originHead = "origin/" + headName
+ originHead = line
- [originPreviousDepotPath, originP4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(originHead))
- if len(originPreviousDepotPath) == 0 or len(originP4Change) == 0:
+ original = extractSettingsGitLog(extractLogMessageFromGitCommit(originHead))
+ if (not original.has_key('depot-paths')
+ or not original.has_key('change')):
continue
update = False
print "creating %s" % remoteHead
update = True
else:
- [p4PreviousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(remoteHead))
- if len(p4Change) > 0:
- if originPreviousDepotPath == p4PreviousDepotPath:
- originP4Change = int(originP4Change)
- p4Change = int(p4Change)
+ 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)
+ 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, originPreviousDepotPath, remoteHead, p4PreviousDepotPath)
+ 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 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 run(self, args):
- self.depotPath = ""
+ self.depotPaths = []
self.changeRange = ""
self.initialParent = ""
- self.previousDepotPath = ""
+ self.previousDepotPaths = []
# map from branch depot path to parent branch
self.knownBranches = {}
self.initialParents = {}
- self.hasOrigin = gitBranchExists("origin")
+ self.hasOrigin = gitBranchExists("origin") or gitBranchExists("origin/p4") or gitBranchExists("origin/p4/master")
+ if not self.syncWithOrigin:
+ self.hasOrigin = False
if self.importIntoRemotes:
self.refPrefix = "refs/remotes/p4/"
else:
- self.refPrefix = "refs/heads/"
+ self.refPrefix = "refs/heads/p4/"
if self.syncWithOrigin and self.hasOrigin:
if not self.silent:
if not gitBranchExists(self.refPrefix + "HEAD") and self.importIntoRemotes:
system("git symbolic-ref %sHEAD %s" % (self.refPrefix, self.branch))
- if len(args) == 0:
+ # TODO: should always look at previous commits,
+ # merge with previous imports, if possible.
+ if args == []:
if self.hasOrigin:
self.createOrUpdateBranchesFromOrigin()
self.listExistingP4GitBranches()
p4Change = 0
for branch in self.p4BranchesInGit:
logMsg = extractLogMessageFromGitCommit(self.refPrefix + branch)
- (depotPath, change) = extractDepotPathAndChangeFromGitLog(logMsg)
- if self.verbose:
- print "path %s change %s" % (depotPath, change)
+ settings = extractSettingsGitLog(logMsg)
- if len(depotPath) > 0 and len(change) > 0:
- change = int(change) + 1
+ self.readOptions(settings)
+ if (settings.has_key('depot-paths')
+ and settings.has_key ('change')):
+ change = int(settings['change']) + 1
p4Change = max(p4Change, change)
- if len(self.previousDepotPath) == 0:
- self.previousDepotPath = depotPath
+ depotPaths = sorted(settings['depot-paths'])
+ if self.previousDepotPaths == []:
+ self.previousDepotPaths = depotPaths
else:
- i = 0
- l = min(len(self.previousDepotPath), len(depotPath))
- while i < l and self.previousDepotPath[i] == depotPath[i]:
- i = i + 1
- self.previousDepotPath = self.previousDepotPath[:i]
+ paths = []
+ for (prev, cur) in zip(self.previousDepotPaths, depotPaths):
+ for i in range(0, min(len(cur), len(prev))):
+ if cur[i] <> prev[i]:
+ i = i - 1
+ break
+
+ paths.append (cur[:i + 1])
+
+ self.previousDepotPaths = paths
if p4Change > 0:
- self.depotPath = self.previousDepotPath
+ self.depotPaths = sorted(self.previousDepotPaths)
self.changeRange = "@%s,#head" % p4Change
- self.initialParent = parseRevision(self.branch)
+ 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(self.depotPath) != 0:
- self.depotPath = self.depotPath[:-1]
-
- if len(args) == 0 and len(self.depotPath) != 0:
+ if len(args) == 0 and self.depotPaths:
if not self.silent:
- print "Depot path: %s" % self.depotPath
- elif len(args) != 1:
- return False
+ print "Depot paths: %s" % ' '.join(self.depotPaths)
else:
- if len(self.depotPath) != 0 and self.depotPath != args[0]:
+ if self.depotPaths and self.depotPaths != args:
print ("previous import used depot path %s and now %s was specified. "
- "This doesn't work!" % (self.depotPath, args[0]))
+ "This doesn't work!" % (' '.join (self.depotPaths),
+ ' '.join (args)))
sys.exit(1)
- self.depotPath = args[0]
+
+ self.depotPaths = sorted(args)
self.revision = ""
self.users = {}
- if self.depotPath.find("@") != -1:
- atIdx = self.depotPath.index("@")
- self.changeRange = self.depotPath[atIdx:]
- if self.changeRange == "@all":
- self.changeRange = ""
- elif self.changeRange.find(",") == -1:
- self.revision = self.changeRange
- self.changeRange = ""
- self.depotPath = self.depotPath[0:atIdx]
- elif self.depotPath.find("#") != -1:
- hashIdx = self.depotPath.index("#")
- self.revision = self.depotPath[hashIdx:]
- self.depotPath = self.depotPath[0:hashIdx]
- elif len(self.previousDepotPath) == 0:
- self.revision = "#head"
-
- if self.depotPath.endswith("..."):
- self.depotPath = self.depotPath[:-3]
-
- if not self.depotPath.endswith("/"):
- self.depotPath += "/"
+ 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:
+ self.revision = self.changeRange
+ self.changeRange = ""
+ p = p[0:atIdx]
+ elif p.find("#") != -1:
+ hashIdx = p.index("#")
+ self.revision = p[hashIdx:]
+ p = p[0:hashIdx]
+ elif self.previousDepotPaths == []:
+ self.revision = "#head"
+
+ p = re.sub ("\.\.\.$", "", p)
+ if not p.endswith("/"):
+ p += "/"
+
+ newPaths.append(p)
+
+ self.depotPaths = newPaths
+
self.loadUserMapFromCache()
self.labels = {}
self.getLabels();
if self.detectBranches:
- self.getBranchMapping();
+ ## FIXME - what's a P4 projectName ?
+ self.projectName = self.guessProjectName()
+
+ if not self.hasOrigin:
+ 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);
+ stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE);
self.gitOutput = importProcess.stdout
self.gitStream = importProcess.stdin
self.gitError = importProcess.stderr
- if len(self.revision) > 0:
- print "Doing initial import of %s from revision %s" % (self.depotPath, self.revision)
+ if self.revision:
+ print "Doing initial import of %s from revision %s into %s" % (' '.join(self.depotPaths), self.revision, self.branch)
details = { "user" : "git perforce import user", "time" : int(time.time()) }
details["desc"] = ("Initial import of %s from the state at revision %s"
- % (self.depotPath, self.revision))
+ % (' '.join(self.depotPaths), self.revision))
details["change"] = self.revision
newestRevision = 0
fileCnt = 0
- for info in p4CmdList("files %s...%s" % (self.depotPath, self.revision)):
+ for info in p4CmdList("files "
+ + ' '.join(["%s...%s"
+ % (p, self.revision)
+ for p in self.depotPaths])):
+
+ if info['code'] == 'error':
+ sys.stderr.write("p4 returned an error: %s\n"
+ % info['data'])
+ sys.exit(1)
+
+
change = int(info["change"])
if change > newestRevision:
newestRevision = change
#fileCnt = fileCnt + 1
continue
- for prop in [ "depotFile", "rev", "action", "type" ]:
+ for prop in ["depotFile", "rev", "action", "type" ]:
details["%s%s" % (prop, fileCnt)] = info[prop]
fileCnt = fileCnt + 1
details["change"] = newestRevision
-
+ self.updateOptionDict(details)
try:
- self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPath)
+ 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()
changes.sort()
else:
if self.verbose:
- print "Getting p4 changes for %s...%s" % (self.depotPath, self.changeRange)
- output = mypopen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines()
+ print "Getting p4 changes for %s...%s" % (', '.join(self.depotPaths),
+ self.changeRange)
+ assert self.depotPaths
+ output = read_pipe_lines("p4 changes " + ' '.join (["%s...%s" % (p, self.changeRange)
+ for p in self.depotPaths]))
for line in output:
changeNum = line.split(" ")[1]
print "No changes to import!"
return True
+ if not self.silent and not self.detectBranches:
+ print "Import destination: %s" % self.branch
+
self.updatedBranches = set()
cnt = 1
for change in changes:
description = p4Cmd("describe %s" % change)
+ self.updateOptionDict(description)
if not self.silent:
sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
if self.detectBranches:
branches = self.splitFilesIntoBranches(description)
for branch in branches.keys():
- branchPrefix = self.depotPath + branch + "/"
+ ## HACK --hwn
+ branchPrefix = self.depotPaths[0] + branch + "/"
parent = ""
if branch == "main":
branch = "master"
else:
+
+ ## FIXME
branch = self.projectName + branch
if parent == "main":
parent = "master"
elif len(parent) > 0:
+ ## FIXME
parent = self.projectName + parent
branch = self.refPrefix + branch
parent = self.initialParents[branch]
del self.initialParents[branch]
- self.commit(description, filesForCommit, branch, branchPrefix, parent)
+ self.commit(description, filesForCommit, branch, [branchPrefix], parent)
else:
files = self.extractFilesFromCommit(description)
- self.commit(description, files, self.branch, self.depotPath, self.initialParent)
+ self.commit(description, files, self.branch, self.depotPaths,
+ self.initialParent)
self.initialParent = ""
except IOError:
print self.gitError.read()
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([])
- print "Rebasing the current branch"
- oldHead = mypopen("git rev-parse HEAD").read()[:-1]
- system("git rebase p4")
+
+ [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]+$", "", upstream)
+
+ print "Rebasing the current branch onto %s" % upstream
+ oldHead = read_pipe("git rev-parse HEAD").strip()
+ system("git rebase %s" % upstream)
system("git diff-tree --stat --summary -M %s HEAD" % oldHead)
return True
def __init__(self):
P4Sync.__init__(self)
self.description = "Creates a new git repository and imports from Perforce into it"
- self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]"
+ self.usage = "usage: %prog [options] //depot/path[@revRange]"
+ self.options.append(
+ optparse.make_option("--destination", dest="cloneDestination",
+ action='store', default=None,
+ help="where to leave result of the clone"))
+ self.cloneDestination = None
self.needsGit = False
- def run(self, args):
- global gitdir
-
- if len(args) < 1:
- return False
+ def defaultDestination(self, args):
+ ## TODO: use common prefix of args?
depotPath = args[0]
- destination = ""
- if len(args) == 2:
- destination = args[1]
- elif len(args) > 2:
- return False
-
- if not depotPath.startswith("//"):
- return False
-
depotDir = re.sub("(@[^@]*)$", "", 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]
+
+ for p in depotPaths:
+ if not p.startswith("//"):
+ return False
- if not destination:
- destination = os.path.split(depotDir)[-1]
+ if not self.cloneDestination:
+ self.cloneDestination = self.defaultDestination(args)
- print "Importing from %s into %s" % (depotPath, destination)
- os.makedirs(destination)
- os.chdir(destination)
+ print "Importing from %s into %s" % (', '.join(depotPaths), self.cloneDestination)
+ if not os.path.exists(self.cloneDestination):
+ os.makedirs(self.cloneDestination)
+ os.chdir(self.cloneDestination)
system("git init")
- gitdir = os.getcwd() + "/.git"
- if not P4Sync.run(self, [depotPath]):
+ self.gitdir = os.getcwd() + "/.git"
+ if not P4Sync.run(self, depotPaths):
return False
if self.branch != "master":
if gitBranchExists("refs/remotes/p4/master"):
system("git checkout -f")
else:
print "Could not detect main branch. No checkout/master branch created."
+
+ return True
+
+class P4Branches(Command):
+ def __init__(self):
+ Command.__init__(self)
+ self.options = [ ]
+ self.description = ("Shows the git branches that hold imports and their "
+ + "corresponding perforce depot paths")
+ self.verbose = False
+
+ def run(self, args):
+ 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):
print ""
commands = {
- "debug" : P4Debug(),
- "submit" : P4Submit(),
- "sync" : P4Sync(),
- "rebase" : P4Rebase(),
- "clone" : P4Clone(),
- "rollback" : P4RollBack()
+ "debug" : P4Debug,
+ "submit" : P4Submit,
+ "sync" : P4Sync,
+ "rebase" : P4Rebase,
+ "clone" : P4Clone,
+ "rollback" : P4RollBack,
+ "branches" : P4Branches
}
-if len(sys.argv[1:]) == 0:
- printUsage(commands.keys())
- sys.exit(2)
-cmd = ""
-cmdName = sys.argv[1]
-try:
- cmd = commands[cmdName]
-except KeyError:
- print "unknown command %s" % cmdName
- print ""
- printUsage(commands.keys())
- sys.exit(2)
-
-options = cmd.options
-cmd.gitdir = gitdir
-
-args = sys.argv[2:]
-
-if len(options) > 0:
- options.append(optparse.make_option("--git-dir", dest="gitdir"))
-
- parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName),
- options,
- description = cmd.description,
- formatter = HelpFormatter())
-
- (cmd, args) = parser.parse_args(sys.argv[2:], cmd);
-
-if cmd.needsGit:
- gitdir = cmd.gitdir
- if len(gitdir) == 0:
- gitdir = ".git"
- if not isValidGitDir(gitdir):
- gitdir = mypopen("git rev-parse --git-dir").read()[:-1]
- if os.path.exists(gitdir):
- cdup = mypopen("git rev-parse --show-cdup").read()[:-1];
- if len(cdup) > 0:
- os.chdir(cdup);
-
- if not isValidGitDir(gitdir):
- if isValidGitDir(gitdir + "/.git"):
- gitdir += "/.git"
- else:
- die("fatal: cannot locate git repository at %s" % gitdir)
+def main():
+ if len(sys.argv[1:]) == 0:
+ printUsage(commands.keys())
+ sys.exit(2)
+
+ cmd = ""
+ cmdName = sys.argv[1]
+ try:
+ klass = commands[cmdName]
+ cmd = klass()
+ except KeyError:
+ print "unknown command %s" % cmdName
+ print ""
+ printUsage(commands.keys())
+ sys.exit(2)
+
+ options = cmd.options
+ cmd.gitdir = os.environ.get("GIT_DIR", None)
+
+ args = sys.argv[2:]
+
+ if len(options) > 0:
+ options.append(optparse.make_option("--git-dir", dest="gitdir"))
+
+ parser = optparse.OptionParser(cmd.usage.replace("%prog", "%prog " + cmdName),
+ options,
+ description = cmd.description,
+ formatter = HelpFormatter())
+
+ (cmd, args) = parser.parse_args(sys.argv[2:], cmd);
+ global verbose
+ verbose = cmd.verbose
+ if cmd.needsGit:
+ if cmd.gitdir == None:
+ cmd.gitdir = os.path.abspath(".git")
+ if not isValidGitDir(cmd.gitdir):
+ cmd.gitdir = read_pipe("git rev-parse --git-dir").strip()
+ if os.path.exists(cmd.gitdir):
+ cdup = read_pipe("git rev-parse --show-cdup").strip()
+ if len(cdup) > 0:
+ os.chdir(cdup);
+
+ if not isValidGitDir(cmd.gitdir):
+ if isValidGitDir(cmd.gitdir + "/.git"):
+ cmd.gitdir += "/.git"
+ else:
+ die("fatal: cannot locate git repository at %s" % cmd.gitdir)
+
+ os.environ["GIT_DIR"] = cmd.gitdir
- os.environ["GIT_DIR"] = gitdir
+ if not cmd.run(args):
+ parser.print_help()
-if not cmd.run(args):
- parser.print_help()
+if __name__ == '__main__':
+ main()