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 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]
+
+ system("p4 reopen -t %s %s" % (p4Type, file))
+
+def getP4OpenedType(file):
+ # Returns the perforce file type for the given file.
+
+ result = read_pipe("p4 opened %s" % file)
+ match = re.match(".*\((.+)\)$", result)
+ if match:
+ return match.group(1)
+ else:
+ die("Could not determine file type for %s" % file)
+
+def diffTreePattern():
+ # This is a simple generator for the diff tree regex pattern. This could be
+ # a class variable if this and parseDiffTreeEntry were a part of a class.
+ pattern = re.compile(':(\d+) (\d+) (\w+) (\w+) ([A-Z])(\d+)?\t(.*?)((\t(.*))|$)')
+ 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'):
cmd = "p4 -G %s" % cmd
if verbose:
optparse.make_option("--dry-run", action="store_true"),
optparse.make_option("--direct", dest="directSubmit", action="store_true"),
optparse.make_option("--trust-me-like-a-fool", dest="trustMeLikeAFool", action="store_true"),
+ optparse.make_option("-M", dest="detectRename", 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.origin = ""
self.directSubmit = False
self.trustMeLikeAFool = False
+ self.detectRename = False
self.verbose = False
self.isWindows = (platform.system() == "Windows")
diff = self.diffStatus
else:
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))
+ diffOpts = ("", "-M")[self.detectRename]
+ 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:
- modifier = line[0]
- path = line[1:].strip()
+ diff = parseDiffTreeEntry(line)
+ modifier = diff['status']
+ path = diff['src']
if modifier == "M":
system("p4 edit \"%s\"" % 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 == "R":
+ src, dest = diff['src'], diff['dst']
+ system("p4 integrate -Dt \"%s\" \"%s\"" % (src, dest))
+ system("p4 edit \"%s\"" % (dest))
+ if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
+ filesToChangeExecBit[dest] = diff['dst_mode']
+ os.unlink(dest)
+ editedFiles.add(dest)
+ filesToDelete.add(src)
else:
die("unknown modifier %s for %s" % (modifier, path))
"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:
+ system("p4 revert \"%s\"" % f);
+ for f in filesToAdd:
+ system("rm %s" %f)
return
elif response == "a":
os.system(applyPatchCmd)
system("p4 revert \"%s\"" % f)
system("p4 delete \"%s\"" % f)
+ # Set/clear executable bits
+ for f in filesToChangeExecBit.keys():
+ mode = filesToChangeExecBit[f]
+ setP4ExecBit(f, mode)
+
logMessage = ""
if not self.directSubmit:
logMessage = extractLogMessageFromGitCommit(id)
data = file['data']
mode = "644"
- if file["type"].startswith("x"):
+ if isP4Exec(file["type"]):
mode = "755"
elif file["type"] == "symlink":
mode = "120000"
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.depotPaths`
for output in l:
label = output["label"]
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)
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:
parent = self.knownBranches[branch]
if parent == branch:
parent = ""
- elif self.verbose:
- print "parent determined through known branches: %s" % 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)
## FIXME - what's a P4 projectName ?
self.projectName = self.guessProjectName()
- if not self.hasOrigin:
- self.getBranchMapping();
+ if self.hasOrigin:
+ self.getBranchMappingFromGitBranches()
+ else:
+ self.getBranchMapping()
if self.verbose:
print "p4-git branches: %s" % self.p4BranchesInGit
print "initial parents: %s" % self.initialParents
commands = {
"debug" : P4Debug,
"submit" : P4Submit,
+ "commit" : P4Submit,
"sync" : P4Sync,
"rebase" : P4Rebase,
"clone" : P4Clone,