real_cmd = p4_build_cmd(c)
return read_pipe_lines(real_cmd)
+def p4_has_command(cmd):
+ """Ask p4 for help on this command. If it returns an error, the
+ command does not exist in this version of p4."""
+ real_cmd = p4_build_cmd(["help", cmd])
+ p = subprocess.Popen(real_cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ p.communicate()
+ return p.returncode == 0
+
def system(cmd):
expand = isinstance(cmd,basestring)
if verbose:
def p4_reopen(type, f):
p4_system(["reopen", "-t", type, wildcard_encode(f)])
+def p4_move(src, dest):
+ p4_system(["move", "-k", wildcard_encode(src), wildcard_encode(dest)])
+
#
# Canonicalize the p4 type and return a tuple of the
# base type, plus any modifiers. See "p4 help filetypes"
]
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.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true"
self.isWindows = (platform.system() == "Windows")
self.exportLabels = False
+ self.p4HasMoveCommand = p4_has_command("move")
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):
+ def separate_jobs_from_description(self, message):
+ """Extract and return a possible Jobs field in the commit
+ message. It goes into a separate section in the p4 change
+ specification.
+
+ A jobs line starts with "Jobs:" and looks like a new field
+ in a form. Values are white-space separated on the same
+ line or on following lines that start with a tab.
+
+ This does not parse and extract the full git commit message
+ like a p4 form. It just sees the Jobs: line as a marker
+ to pass everything from then on directly into the p4 form,
+ but outside the description section.
+
+ Return a tuple (stripped log message, jobs string)."""
+
+ m = re.search(r'^Jobs:', message, re.MULTILINE)
+ if m is None:
+ return (message, None)
+
+ jobtext = message[m.start():]
+ stripped_message = message[:m.start()].rstrip()
+ return (stripped_message, jobtext)
+
+ def prepareLogMessage(self, template, message, jobs):
+ """Edits the template returned from "p4 change -o" to insert
+ the message in the Description field, and the jobs text in
+ the Jobs field."""
result = ""
inDescriptionSection = False
if inDescriptionSection:
if line.startswith("Files:") or line.startswith("Jobs:"):
inDescriptionSection = False
+ # insert Jobs section
+ if jobs:
+ result += jobs + "\n"
else:
continue
else:
return 0
def prepareSubmitTemplate(self):
- # remove lines in the Files section that show changes to files outside the depot path we're committing into
+ """Run "p4 change -o" to grab a change specification template.
+ This does not use "p4 -G", as it is nice to keep the submission
+ template in original order, since a human might edit it.
+
+ 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']):
(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))
+ diff = read_pipe_lines("git diff-tree -r %s \"%s^\" \"%s\"" % (self.diffOpts, id, id))
filesToAdd = set()
filesToDelete = set()
editedFiles = set()
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 self.p4HasMoveCommand:
+ p4_edit(src) # src must be open before move
+ p4_move(src, dest) # opens for (move/delete, move/add)
else:
- pureRenameCopy.add(dest)
+ p4_integrate(src, dest)
+ if diff['src_sha1'] != diff['dst_sha1']:
+ p4_edit(dest)
+ else:
+ pureRenameCopy.add(dest)
if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
- p4_edit(dest)
+ if not self.p4HasMoveCommand:
+ p4_edit(dest) # with move: already open, writable
filesToChangeExecBit[dest] = diff['dst_mode']
- os.unlink(dest)
+ if not self.p4HasMoveCommand:
+ os.unlink(dest)
+ filesToDelete.add(src)
editedFiles.add(dest)
- filesToDelete.add(src)
else:
die("unknown modifier %s for %s" % (modifier, path))
logMessage = extractLogMessageFromGitCommit(id)
logMessage = logMessage.strip()
+ (logMessage, jobs) = self.separate_jobs_from_description(logMessage)
template = self.prepareSubmitTemplate()
+ submitTemplate = self.prepareLogMessage(template, logMessage, jobs)
- 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',
- wildcard_encode(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 option --preserve-user to modify authorship.\n"
- submitTemplate += "######## Variable 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)
+ 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',
+ wildcard_encode(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 option --preserve-user to modify authorship.\n"
+ submitTemplate += "######## Variable 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.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)
-
- # The rename/copy happened by applying a patch that created a
- # new file. This leaves it writable, which confuses p4.
- for f in pureRenameCopy:
- p4_sync(f, "-f")
-
- 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)
+ 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)
+
+ # The rename/copy happened by applying a patch that created a
+ # new file. This leaves it writable, which confuses p4.
+ for f in pureRenameCopy:
+ p4_sync(f, "-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))
+ # 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)
# Export git tags as p4 labels. Create a p4 label and then tag
# with that.
if self.preserveUser:
self.checkValidP4Users(commits)
+ #
+ # Build up a set of options to be passed to diff when
+ # submitting each commit to p4.
+ #
+ if self.detectRenames:
+ # command-line -M arg
+ self.diffOpts = "-M"
+ else:
+ # If not explicitly set check the config variable
+ detectRenames = gitConfig("git-p4.detectRenames")
+
+ if detectRenames.lower() == "false" or detectRenames == "":
+ self.diffOpts = ""
+ elif detectRenames.lower() == "true":
+ self.diffOpts = "-M"
+ else:
+ self.diffOpts = "-M%s" % detectRenames
+
+ # no command-line arg for -C or --find-copies-harder, just
+ # config variables
+ detectCopies = gitConfig("git-p4.detectCopies")
+ if detectCopies.lower() == "false" or detectCopies == "":
+ pass
+ elif detectCopies.lower() == "true":
+ self.diffOpts += " -C"
+ else:
+ self.diffOpts += " -C%s" % detectCopies
+
+ if gitConfig("git-p4.detectCopiesHarder", "--bool") == "true":
+ self.diffOpts += " --find-copies-harder"
+
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!"
return files
def stripRepoPath(self, path, prefixes):
- if self.useClientSpec:
- return self.clientSpecDirs.map_in_client(path)
+ """When streaming files, this is called to map a p4 depot path
+ to where it should go in git. The prefixes are either
+ self.depotPaths, or self.branchPrefixes in the case of
+ branch detection."""
- if self.keepRepoPath:
- prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
+ if self.useClientSpec:
+ # branch detection moves files up a level (the branch name)
+ # from what client spec interpretation gives
+ path = self.clientSpecDirs.map_in_client(path)
+ if self.detectBranches:
+ for b in self.knownBranches:
+ if path.startswith(b + "/"):
+ path = path[len(b)+1:]
+
+ elif self.keepRepoPath:
+ # Preserve everything in relative path name except leading
+ # //depot/; just look at first prefix as they all should
+ # be in the same depot.
+ depot = re.sub("^(//[^/]+/).*", r'\1', prefixes[0])
+ if p4PathStartsWith(path, depot):
+ path = path[len(depot):]
- for p in prefixes:
- if p4PathStartsWith(path, p):
- path = path[len(p):]
+ else:
+ for p in prefixes:
+ if p4PathStartsWith(path, p):
+ path = path[len(p):]
+ break
+ path = wildcard_decode(path)
return path
def splitFilesIntoBranches(self, commit):
+ """Look at each depotFile in the commit to figure out to what
+ branch it belongs."""
+
branches = {}
fnum = 0
while commit.has_key("depotFile%s" % fnum):
file["type"] = commit["type%s" % fnum]
fnum = fnum + 1
- relPath = self.stripRepoPath(path, self.depotPaths)
- relPath = wildcard_decode(relPath)
+ # start with the full relative path where this file would
+ # go in a p4 client
+ if self.useClientSpec:
+ relPath = self.clientSpecDirs.map_in_client(path)
+ else:
+ 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
+ # add a trailing slash so that a commit into qt/4.2foo
+ # doesn't end up in qt/4.2, e.g.
if relPath.startswith(branch + "/"):
if branch not in branches:
branches[branch] = []
def streamOneP4File(self, file, contents):
relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
- relPath = wildcard_decode(relPath)
if verbose:
sys.stderr.write("%s\n" % relPath)
def streamOneP4Deletion(self, file):
relPath = self.stripRepoPath(file['path'], self.branchPrefixes)
- relPath = wildcard_decode(relPath)
if verbose:
sys.stderr.write("delete %s\n" % relPath)
self.gitStream.write("D %s\n" % relPath)
gitStream.write(description)
gitStream.write("\n")
- def commit(self, details, files, branch, branchPrefixes, parent = ""):
+ def commit(self, details, files, branch, parent = ""):
epoch = details["time"]
author = details["user"]
- self.branchPrefixes = branchPrefixes
if self.verbose:
print "commit into %s" % branch
# create a commit.
new_files = []
for f in files:
- if [p for p in branchPrefixes if p4PathStartsWith(f['path'], p)]:
+ if [p for p in self.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("data <<EOT\n")
self.gitStream.write(details["desc"])
- self.gitStream.write("\n[git-p4: depot-paths = \"%s\": change = %s"
- % (','.join (branchPrefixes), details["change"]))
+ self.gitStream.write("\n[git-p4: depot-paths = \"%s\": change = %s" %
+ (','.join(self.branchPrefixes), details["change"]))
if len(details['options']) > 0:
self.gitStream.write(": options = %s" % details['options'])
self.gitStream.write("]\nEOT\n\n")
print "Change %s is labelled %s" % (change, labelDetails)
files = p4CmdList(["files"] + ["%s...@%s" % (p, change)
- for p in branchPrefixes])
+ for p in self.branchPrefixes])
if len(files) == len(labelRevisions):
for branch in branches.keys():
## HACK --hwn
branchPrefix = self.depotPaths[0] + branch + "/"
+ self.branchPrefixes = [ branchPrefix ]
parent = ""
tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change))
if self.verbose:
print "Creating temporary branch: " + tempBranch
- self.commit(description, filesForCommit, tempBranch, [branchPrefix])
+ self.commit(description, filesForCommit, tempBranch)
self.tempBranches.append(tempBranch)
self.checkpoint()
blob = self.searchParent(parent, branch, tempBranch)
if blob:
- self.commit(description, filesForCommit, branch, [branchPrefix], blob)
+ self.commit(description, filesForCommit, branch, 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)
+ self.commit(description, filesForCommit, branch, parent)
else:
files = self.extractFilesFromCommit(description)
- self.commit(description, files, self.branch, self.depotPaths,
+ self.commit(description, files, self.branch,
self.initialParent)
self.initialParent = ""
except IOError:
self.updateOptionDict(details)
try:
- self.commit(details, self.extractFilesFromCommit(details), self.branch, self.depotPaths)
+ self.commit(details, self.extractFilesFromCommit(details), self.branch)
except IOError:
print "IO error with git fast-import. Is your git version recent enough?"
print self.gitError.read()
self.depotPaths = newPaths
+ # --detect-branches may change this for each branch
+ self.branchPrefixes = self.depotPaths
+
self.loadUserMapFromCache()
self.labels = {}
if self.detectLabels: