if os.system(cmd) != 0:
die("command failed: %s" % cmd)
+def isP4Exec(kind):
+ """Determine if a Perforce 'kind' should have execute permission
+
+ 'p4 help filetypes' gives a list of the types. If it starts with 'x',
+ or x follows one of a few letters. Otherwise, if there is an 'x' after
+ a plus sign, it is also executable"""
+ return (re.search(r"(^[cku]?x)|\+.*x", kind) != None)
+
def p4CmdList(cmd, stdin=None, stdin_mode='w+b'):
cmd = "p4 -G %s" % cmd
if verbose:
data = file['data']
mode = "644"
- if file["type"].startswith("x"):
+ if isP4Exec(file["type"]):
mode = "755"
elif file["type"] == "symlink":
mode = "120000"
self.keepRepoPath = (d.has_key('options')
and ('keepRepoPath' in d['options']))
+ def gitRefForBranch(self, branch):
+ if branch == "main":
+ return self.refPrefix + "master"
+
+ if len(branch) <= 0:
+ return branch
+
+ return self.refPrefix + self.projectName + branch
+
+ def gitCommitByP4Change(self, ref, change):
+ if self.verbose:
+ print "looking in ref " + ref + " for change %s using bisect..." % change
+
+ earliestCommit = ""
+ latestCommit = parseRevision(ref)
+
+ while True:
+ if self.verbose:
+ print "trying: earliest %s latest %s" % (earliestCommit, latestCommit)
+ next = read_pipe("git rev-list --bisect %s %s" % (latestCommit, earliestCommit)).strip()
+ if len(next) == 0:
+ if self.verbose:
+ print "argh"
+ return ""
+ log = extractLogMessageFromGitCommit(next)
+ settings = extractSettingsGitLog(log)
+ currentChange = int(settings['change'])
+ if self.verbose:
+ print "current change %s" % currentChange
+
+ if currentChange == change:
+ if self.verbose:
+ print "found %s" % next
+ return next
+
+ if currentChange < change:
+ earliestCommit = "^%s" % next
+ else:
+ latestCommit = "%s" % next
+
+ return ""
+
+ def importNewBranch(self, branch, maxChange):
+ # make fast-import flush all changes to disk and update the refs using the checkpoint
+ # command so that we can try to find the branch parent in the git history
+ self.gitStream.write("checkpoint\n\n");
+ self.gitStream.flush();
+ branchPrefix = self.depotPaths[0] + branch + "/"
+ range = "@1,%s" % maxChange
+ #print "prefix" + branchPrefix
+ changes = p4ChangesForPaths([branchPrefix], range)
+ if len(changes) <= 0:
+ return False
+ firstChange = changes[0]
+ #print "first change in branch: %s" % firstChange
+ sourceBranch = self.knownBranches[branch]
+ sourceDepotPath = self.depotPaths[0] + sourceBranch
+ sourceRef = self.gitRefForBranch(sourceBranch)
+ #print "source " + sourceBranch
+
+ branchParentChange = int(p4Cmd("changes -m 1 %s...@1,%s" % (sourceDepotPath, firstChange))["change"])
+ #print "branch parent: %s" % branchParentChange
+ gitParent = self.gitCommitByP4Change(sourceRef, branchParentChange)
+ if len(gitParent) > 0:
+ self.initialParents[self.gitRefForBranch(branch)] = gitParent
+ #print "parent git commit: %s" % gitParent
+
+ self.importChanges(changes)
+ return True
+
+ def importChanges(self, changes):
+ cnt = 1
+ for change in changes:
+ description = p4Cmd("describe %s" % change)
+ self.updateOptionDict(description)
+
+ if not self.silent:
+ sys.stdout.write("\rImporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
+ sys.stdout.flush()
+ cnt = cnt + 1
+
+ try:
+ if self.detectBranches:
+ branches = self.splitFilesIntoBranches(description)
+ for branch in branches.keys():
+ ## HACK --hwn
+ branchPrefix = self.depotPaths[0] + branch + "/"
+
+ parent = ""
+
+ filesForCommit = branches[branch]
+
+ if self.verbose:
+ print "branch is %s" % branch
+
+ self.updatedBranches.add(branch)
+
+ if branch not in self.createdBranches:
+ self.createdBranches.add(branch)
+ parent = self.knownBranches[branch]
+ if parent == branch:
+ parent = ""
+ else:
+ fullBranch = self.projectName + branch
+ if fullBranch not in self.p4BranchesInGit:
+ if not self.silent:
+ print("\n Importing new branch %s" % fullBranch);
+ if self.importNewBranch(branch, change - 1):
+ parent = ""
+ self.p4BranchesInGit.append(fullBranch)
+ if not self.silent:
+ print("\n Resuming with change %s" % change);
+
+ if self.verbose:
+ print "parent determined through known branches: %s" % parent
+
+ branch = self.gitRefForBranch(branch)
+ parent = self.gitRefForBranch(parent)
+
+ if self.verbose:
+ print "looking for initial parent for %s; current parent is %s" % (branch, parent)
+
+ if len(parent) == 0 and branch in self.initialParents:
+ parent = self.initialParents[branch]
+ del self.initialParents[branch]
+
+ self.commit(description, filesForCommit, branch, [branchPrefix], parent)
+ else:
+ files = self.extractFilesFromCommit(description)
+ self.commit(description, files, self.branch, self.depotPaths,
+ self.initialParent)
+ self.initialParent = ""
+ except IOError:
+ print self.gitError.read()
+ sys.exit(1)
+
+ def importHeadRevision(self, revision):
+ print "Doing initial import of %s from revision %s into %s" % (' '.join(self.depotPaths), revision, self.branch)
+
+ details = { "user" : "git perforce import user", "time" : int(time.time()) }
+ details["desc"] = ("Initial import of %s from the state at revision %s"
+ % (' '.join(self.depotPaths), revision))
+ details["change"] = revision
+ newestRevision = 0
+
+ fileCnt = 0
+ for info in p4CmdList("files "
+ + ' '.join(["%s...%s"
+ % (p, revision)
+ for p in self.depotPaths])):
+
+ if info['code'] == 'error':
+ sys.stderr.write("p4 returned an error: %s\n"
+ % info['data'])
+ sys.exit(1)
+
+
+ change = int(info["change"])
+ if change > newestRevision:
+ newestRevision = change
+
+ if info["action"] == "delete":
+ # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
+ #fileCnt = fileCnt + 1
+ continue
+
+ for prop in ["depotFile", "rev", "action", "type" ]:
+ details["%s%s" % (prop, fileCnt)] = info[prop]
+
+ fileCnt = fileCnt + 1
+
+ details["change"] = newestRevision
+ self.updateOptionDict(details)
+ try:
+ self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
+ except IOError:
+ print "IO error with git fast-import. Is your git version recent enough?"
+ print self.gitError.read()
+
+
def run(self, args):
self.depotPaths = []
self.changeRange = ""
self.depotPaths = sorted(args)
- self.revision = ""
+ revision = ""
self.users = {}
newPaths = []
if self.changeRange == "@all":
self.changeRange = ""
elif ',' not in self.changeRange:
- self.revision = self.changeRange
+ revision = self.changeRange
self.changeRange = ""
p = p[:atIdx]
elif p.find("#") != -1:
hashIdx = p.index("#")
- self.revision = p[hashIdx:]
+ revision = p[hashIdx:]
p = p[:hashIdx]
elif self.previousDepotPaths == []:
- self.revision = "#head"
+ revision = "#head"
p = re.sub ("\.\.\.$", "", p)
if not p.endswith("/"):
self.gitStream = importProcess.stdin
self.gitError = importProcess.stderr
- 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"
- % (' '.join(self.depotPaths), self.revision))
- details["change"] = self.revision
- newestRevision = 0
-
- fileCnt = 0
- 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
-
- if info["action"] == "delete":
- # don't increase the file cnt, otherwise details["depotFile123"] will have gaps!
- #fileCnt = fileCnt + 1
- continue
-
- for prop in ["depotFile", "rev", "action", "type" ]:
- details["%s%s" % (prop, fileCnt)] = info[prop]
-
- fileCnt = fileCnt + 1
-
- details["change"] = newestRevision
- self.updateOptionDict(details)
- try:
- self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
- except IOError:
- print "IO error with git fast-import. Is your git version recent enough?"
- print self.gitError.read()
-
+ if revision:
+ self.importHeadRevision(revision)
else:
changes = []
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)))
- 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 = ""
- elif self.verbose:
- print "parent determined through known branches: %s" % parent
-
- # main branch? use master
- 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
- if len(parent) > 0:
- parent = self.refPrefix + parent
-
- if self.verbose:
- print "looking for initial parent for %s; current parent is %s" % (branch, parent)
-
- if len(parent) == 0 and branch in self.initialParents:
- parent = self.initialParents[branch]
- del self.initialParents[branch]
-
- self.commit(description, filesForCommit, branch, [branchPrefix], parent)
- else:
- files = self.extractFilesFromCommit(description)
- self.commit(description, files, self.branch, self.depotPaths,
- self.initialParent)
- self.initialParent = ""
- except IOError:
- print self.gitError.read()
- sys.exit(1)
+ self.importChanges(changes)
if not self.silent:
print ""
sys.stdout.write("%s " % b)
sys.stdout.write("\n")
-
self.gitStream.close()
if importProcess.wait() != 0:
die("fast-import failed: %s" % self.gitError.read())