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raw | patch | inline | side by side (parent: 4addad2)
raw | patch | inline | side by side (parent: 4addad2)
| author | Han-Wen Nienhuys <hanwen@google.com> | |
| Wed, 23 May 2007 21:49:35 +0000 (18:49 -0300) | ||
| committer | Han-Wen Nienhuys <hanwen@google.com> | |
| Mon, 28 May 2007 15:50:04 +0000 (12:50 -0300) |
This enables importing just the interesting bits of large
repositories.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
repositories.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
| contrib/fast-import/git-p4 | patch | blob | history |
index cf9db73da6a7d02c831f8a49cb68cf7bc1e313e5..ad145e8595407695e15ac81bd33ca46c158dd9c1 100755 (executable)
logMessage += log
return logMessage
-def extractDepotPathAndChangeFromGitLog(log):
+def extractDepotPathsAndChangeFromGitLog(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-path").split(',')
+ return paths, values.get("change")
def gitBranchExists(branch):
proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE);
line = line.strip()
ref = refPrefix + line
log = extractLogMessageFromGitCommit(ref)
- depotPath, change = extractDepotPathAndChangeFromGitLog(log)
+ depotPaths, change = extractDepotPathsAndChangeFromGitLog(log)
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
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)
+ depotPaths, change = extractDepotPathsAndChangeFromGitLog(log)
if changed:
print "%s rewound to %s" % (ref, change)
depotPath = ""
if gitBranchExists("p4"):
- [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
+ [depotPaths, dummy] = extractDepotPathsAndChangeFromGitLog(extractLogMessageFromGitCommit("p4"))
if len(depotPath) == 0 and gitBranchExists("origin"):
- [depotPath, dummy] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
+ [depotPaths, dummy] = extractDepotPathsAndChangeFromGitLog(extractLogMessageFromGitCommit("origin"))
if len(depotPath) == 0:
print "Internal error: cannot locate perforce depot path from existing branches"
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("--keep-path", dest="keepRepoPath")
+ optparse.make_option("--keep-path", dest="keepRepoPath", action='store_true')
]
self.description = """Imports from Perforce into a git repository.\n
example:
self.importIntoRemotes = True
self.maxChanges = ""
self.isWindows = (platform.system() == "Windows")
- self.depotPath = None
self.keepRepoPath = False
+ self.depotPaths = None
if gitConfig("git-p4.syncFromOrigin") == "false":
self.syncWithOrigin = False
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, prefix):
+ def stripRepoPath(self, path, prefixes):
if self.keepRepoPath:
- prefix = re.sub("^(//[^/]+/).*", r'\1', prefix)
+ prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
+
+ for p in prefixes:
+ if path.startswith(p):
+ path = path[len(p):]
- return path[len(prefix):]
+ 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 = self.stripRepoPath(path, self.depotPath)
+ relPath = self.stripRepoPath(path, self.depotPaths)
for branch in self.knownBranches.keys():
return branches
- def commit(self, details, files, branch, branchPrefix, parent = ""):
+ def commit(self, details, files, branch, branchPrefixes, parent = ""):
epoch = details["time"]
author = details["user"]
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("\n[git-p4: depot-path = \"%s\": change = %s]\n"
+ % (','.join (branchPrefixes), details["change"]))
self.gitStream.write("EOT\n\n")
if len(parent) > 0:
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"])
+
+
+ if not [p for p in branchPrefixes if path.startswith(p)]:
continue
rev = file["rev"]
depotPath = path + "#" + rev
- relPath = self.stripRepoPath(path, branchPrefix)
+ relPath = self.stripRepoPath(path, branchPrefixes)
action = file["action"]
if file["type"] == "apple":
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):
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:
print "Label changes: %s" % self.labels.keys()
def getBranchMapping(self):
+
+ ## FIXME - what's a P4 projectName ?
self.projectName = self.depotPath[self.depotPath.strip().rfind("/") + 1:]
for info in p4CmdList("branches"):
remoteHead = self.refPrefix + headName
originHead = "origin/" + headName
- [originPreviousDepotPath, originP4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(originHead))
- if len(originPreviousDepotPath) == 0 or len(originP4Change) == 0:
+ [originPreviousDepotPaths, originP4Change] = extractDepotPathsAndChangeFromGitLog(extractLogMessageFromGitCommit(originHead))
+ if len(originPreviousDepotPaths) == 0 or len(originP4Change) == 0:
continue
update = False
print "creating %s" % remoteHead
update = True
else:
- [p4PreviousDepotPath, p4Change] = extractDepotPathAndChangeFromGitLog(extractLogMessageFromGitCommit(remoteHead))
+ [p4PreviousDepotPaths, p4Change] = extractDepotPathsAndChangeFromGitLog(extractLogMessageFromGitCommit(remoteHead))
if len(p4Change) > 0:
- if originPreviousDepotPath == p4PreviousDepotPath:
+ if originPreviousDepotPaths == p4PreviousDepotPaths:
originP4Change = int(originP4Change)
p4Change = int(p4Change)
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, originPreviousDepotPath, remoteHead, p4PreviousDepotPath)
+ print "Ignoring: %s was imported from %s while %s was imported from %s" % (originHead, originPreviousDepotPaths, remoteHead, p4PreviousDepotPaths)
if update:
system("git update-ref %s %s" % (remoteHead, originHead))
+
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 = {}
if not gitBranchExists(self.refPrefix + "HEAD") and self.importIntoRemotes:
system("git symbolic-ref %sHEAD %s" % (self.refPrefix, self.branch))
- if len(args) == 0:
+ 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)
+ (depotPaths, change) = extractDepotPathsAndChangeFromGitLog(logMsg)
if self.verbose:
- print "path %s change %s" % (depotPath, change)
+ print "path %s change %s" % (','.join(depotPaths), change)
- if len(depotPath) > 0 and len(change) > 0:
+ if len(depotPaths) > 0 and len(change) > 0:
change = int(change) + 1
p4Change = max(p4Change, change)
- if len(self.previousDepotPath) == 0:
- self.previousDepotPath = depotPath
+ if len(self.previousDepotPaths) == 0:
+ 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]
+ ## FIXME
+ paths = []
+ for (prev, cur) in zip(self.previousDepotPaths, depotPaths):
+ for i in range(0, max(len(cur), len(prev))):
+ if cur[i] <> prev[i]:
+ break
+
+ paths.append (cur[:i])
+
+ self.previousDepotPaths = paths
if p4Change > 0:
- self.depotPath = self.previousDepotPath
+ self.depotPaths = self.previousDepotPaths
self.changeRange = "@%s,#head" % p4Change
self.initialParent = parseRevision(self.branch)
if not self.silent and not self.detectBranches:
if not self.branch.startswith("refs/"):
self.branch = "refs/heads/" + self.branch
- if len(self.depotPath) != 0:
- self.depotPath = self.depotPath.strip()
-
- 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 = 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"
-
- self.depotPath = re.sub ("\.\.\.$", "", self.depotPath)
- 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 self.changeRange.find(",") == -1:
+ 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 = {}
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)
+ print "Doing initial import of %s from revision %s" % (' '.join(self.depotPaths), self.revision)
details = { "user" : "git perforce import user", "time" : int(time.time()) }
details["desc"] = ("Initial import of %s from the state at revision %s"
- % (self.depotPath, self.revision))
+ % (' '.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])):
change = int(info["change"])
if change > newestRevision:
newestRevision = change
details["change"] = newestRevision
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 = read_pipe_lines("p4 changes %s...%s" % (self.depotPath, self.changeRange))
+ print "Getting p4 changes for %s...%s" % (`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]
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
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()
if len(args) < 1:
return False
- depotPath = args[0]
destination = ""
- if len(args) == 2:
+ if self.keepRepoPath:
+ destination = args[-1]
+ args = args[:-1]
+ elif 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"/$", "", depotDir)
+ depotPaths = args
+ for p in depotPaths:
+ if not p.startswith("//"):
+ return False
if not destination:
+ depotPath = args[0]
+ depotDir = re.sub("(@[^@]*)$", "", depotPath)
+ depotDir = re.sub("(#[^#]*)$", "", depotDir)
+ depotDir = re.sub(r"\.\.\.$,", "", depotDir)
+ depotDir = re.sub(r"/$", "", depotDir)
+
destination = os.path.split(depotDir)[1]
- print "Importing from %s into %s" % (depotPath, destination)
+ print "Importing from %s into %s" % (`depotPaths`, destination)
os.makedirs(destination)
os.chdir(destination)
system("git init")
gitdir = os.getcwd() + "/.git"
- if not P4Sync.run(self, [depotPath]):
+ if not P4Sync.run(self, depotPaths):
return False
if self.branch != "master":
if gitBranchExists("refs/remotes/p4/master"):