class P4UserMap:
def __init__(self):
self.userMapFromPerforceServer = False
+ self.myP4UserId = None
+
+ def p4UserId(self):
+ if self.myP4UserId:
+ return self.myP4UserId
+
+ results = p4CmdList("user -o")
+ for r in results:
+ if r.has_key('User'):
+ self.myP4UserId = r['User']
+ return r['User']
+ die("Could not find your p4 user id")
+
+ def p4UserIsMe(self, p4User):
+ # return True if the given p4 user is actually me
+ me = self.p4UserId()
+ if not p4User or p4User != me:
+ return False
+ else:
+ return True
def getUserCacheFilename(self):
home = os.environ.get("HOME", os.environ.get("USERPROFILE"))
self.verbose = False
self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true"
self.isWindows = (platform.system() == "Windows")
- self.myP4UserId = None
def check(self):
if len(p4CmdList("opened ...")) > 0:
def canChangeChangelists(self):
# check to see if we have p4 admin or super-user permissions, either of
# which are required to modify changelists.
- results = p4CmdList("protects %s" % self.depotPath)
+ results = p4CmdList(["protects", self.depotPath])
for r in results:
if r.has_key('perm'):
if r['perm'] == 'admin':
return 1
return 0
- def p4UserId(self):
- if self.myP4UserId:
- return self.myP4UserId
-
- results = p4CmdList("user -o")
- for r in results:
- if r.has_key('User'):
- self.myP4UserId = r['User']
- return r['User']
- die("Could not find your p4 user id")
-
- def p4UserIsMe(self, p4User):
- # return True if the given p4 user is actually me
- me = self.p4UserId()
- if not p4User or p4User != me:
- return False
- else:
- return True
-
def prepareSubmitTemplate(self):
# remove lines in the Files section that show changes to files outside the depot path we're committing into
template = ""
return True
+class View(object):
+ """Represent a p4 view ("p4 help views"), and map files in a
+ repo according to the view."""
+
+ class Path(object):
+ """A depot or client path, possibly containing wildcards.
+ The only one supported is ... at the end, currently.
+ Initialize with the full path, with //depot or //client."""
+
+ def __init__(self, path, is_depot):
+ self.path = path
+ self.is_depot = is_depot
+ self.find_wildcards()
+ # remember the prefix bit, useful for relative mappings
+ m = re.match("(//[^/]+/)", self.path)
+ if not m:
+ die("Path %s does not start with //prefix/" % self.path)
+ prefix = m.group(1)
+ if not self.is_depot:
+ # strip //client/ on client paths
+ self.path = self.path[len(prefix):]
+
+ def find_wildcards(self):
+ """Make sure wildcards are valid, and set up internal
+ variables."""
+
+ self.ends_triple_dot = False
+ # There are three wildcards allowed in p4 views
+ # (see "p4 help views"). This code knows how to
+ # handle "..." (only at the end), but cannot deal with
+ # "%%n" or "*". Only check the depot_side, as p4 should
+ # validate that the client_side matches too.
+ if re.search(r'%%[1-9]', self.path):
+ die("Can't handle %%n wildcards in view: %s" % self.path)
+ if self.path.find("*") >= 0:
+ die("Can't handle * wildcards in view: %s" % self.path)
+ triple_dot_index = self.path.find("...")
+ if triple_dot_index >= 0:
+ if triple_dot_index != len(self.path) - 3:
+ die("Can handle only single ... wildcard, at end: %s" %
+ self.path)
+ self.ends_triple_dot = True
+
+ def ensure_compatible(self, other_path):
+ """Make sure the wildcards agree."""
+ if self.ends_triple_dot != other_path.ends_triple_dot:
+ die("Both paths must end with ... if either does;\n" +
+ "paths: %s %s" % (self.path, other_path.path))
+
+ def match_wildcards(self, test_path):
+ """See if this test_path matches us, and fill in the value
+ of the wildcards if so. Returns a tuple of
+ (True|False, wildcards[]). For now, only the ... at end
+ is supported, so at most one wildcard."""
+ if self.ends_triple_dot:
+ dotless = self.path[:-3]
+ if test_path.startswith(dotless):
+ wildcard = test_path[len(dotless):]
+ return (True, [ wildcard ])
+ else:
+ if test_path == self.path:
+ return (True, [])
+ return (False, [])
+
+ def match(self, test_path):
+ """Just return if it matches; don't bother with the wildcards."""
+ b, _ = self.match_wildcards(test_path)
+ return b
+
+ def fill_in_wildcards(self, wildcards):
+ """Return the relative path, with the wildcards filled in
+ if there are any."""
+ if self.ends_triple_dot:
+ return self.path[:-3] + wildcards[0]
+ else:
+ return self.path
+
+ class Mapping(object):
+ def __init__(self, depot_side, client_side, overlay, exclude):
+ # depot_side is without the trailing /... if it had one
+ self.depot_side = View.Path(depot_side, is_depot=True)
+ self.client_side = View.Path(client_side, is_depot=False)
+ self.overlay = overlay # started with "+"
+ self.exclude = exclude # started with "-"
+ assert not (self.overlay and self.exclude)
+ self.depot_side.ensure_compatible(self.client_side)
+
+ def __str__(self):
+ c = " "
+ if self.overlay:
+ c = "+"
+ if self.exclude:
+ c = "-"
+ return "View.Mapping: %s%s -> %s" % \
+ (c, self.depot_side.path, self.client_side.path)
+
+ def map_depot_to_client(self, depot_path):
+ """Calculate the client path if using this mapping on the
+ given depot path; does not consider the effect of other
+ mappings in a view. Even excluded mappings are returned."""
+ matches, wildcards = self.depot_side.match_wildcards(depot_path)
+ if not matches:
+ return ""
+ client_path = self.client_side.fill_in_wildcards(wildcards)
+ return client_path
+
+ #
+ # View methods
+ #
+ def __init__(self):
+ self.mappings = []
+
+ def append(self, view_line):
+ """Parse a view line, splitting it into depot and client
+ sides. Append to self.mappings, preserving order."""
+
+ # Split the view line into exactly two words. P4 enforces
+ # structure on these lines that simplifies this quite a bit.
+ #
+ # Either or both words may be double-quoted.
+ # Single quotes do not matter.
+ # Double-quote marks cannot occur inside the words.
+ # A + or - prefix is also inside the quotes.
+ # There are no quotes unless they contain a space.
+ # The line is already white-space stripped.
+ # The two words are separated by a single space.
+ #
+ if view_line[0] == '"':
+ # First word is double quoted. Find its end.
+ close_quote_index = view_line.find('"', 1)
+ if close_quote_index <= 0:
+ die("No first-word closing quote found: %s" % view_line)
+ depot_side = view_line[1:close_quote_index]
+ # skip closing quote and space
+ rhs_index = close_quote_index + 1 + 1
+ else:
+ space_index = view_line.find(" ")
+ if space_index <= 0:
+ die("No word-splitting space found: %s" % view_line)
+ depot_side = view_line[0:space_index]
+ rhs_index = space_index + 1
+
+ if view_line[rhs_index] == '"':
+ # Second word is double quoted. Make sure there is a
+ # double quote at the end too.
+ if not view_line.endswith('"'):
+ die("View line with rhs quote should end with one: %s" %
+ view_line)
+ # skip the quotes
+ client_side = view_line[rhs_index+1:-1]
+ else:
+ client_side = view_line[rhs_index:]
+
+ # prefix + means overlay on previous mapping
+ overlay = False
+ if depot_side.startswith("+"):
+ overlay = True
+ depot_side = depot_side[1:]
+
+ # prefix - means exclude this path
+ exclude = False
+ if depot_side.startswith("-"):
+ exclude = True
+ depot_side = depot_side[1:]
+
+ m = View.Mapping(depot_side, client_side, overlay, exclude)
+ self.mappings.append(m)
+
+ def map_in_client(self, depot_path):
+ """Return the relative location in the client where this
+ depot file should live. Returns "" if the file should
+ not be mapped in the client."""
+
+ paths_filled = []
+ client_path = ""
+
+ # look at later entries first
+ for m in self.mappings[::-1]:
+
+ # see where will this path end up in the client
+ p = m.map_depot_to_client(depot_path)
+
+ if p == "":
+ # Depot path does not belong in client. Must remember
+ # this, as previous items should not cause files to
+ # exist in this path either. Remember that the list is
+ # being walked from the end, which has higher precedence.
+ # Overlap mappings do not exclude previous mappings.
+ if not m.overlay:
+ paths_filled.append(m.client_side)
+
+ else:
+ # This mapping matched; no need to search any further.
+ # But, the mapping could be rejected if the client path
+ # has already been claimed by an earlier mapping (i.e.
+ # one later in the list, which we are walking backwards).
+ already_mapped_in_client = False
+ for f in paths_filled:
+ # this is View.Path.match
+ if f.match(p):
+ already_mapped_in_client = True
+ break
+ if not already_mapped_in_client:
+ # Include this file, unless it is from a line that
+ # explicitly said to exclude it.
+ if not m.exclude:
+ client_path = p
+
+ # a match, even if rejected, always stops the search
+ break
+
+ return client_path
+
class P4Sync(Command, P4UserMap):
delete_actions = ( "delete", "move/delete", "purge" )
self.p4BranchesInGit = []
self.cloneExclude = []
self.useClientSpec = False
- self.clientSpecDirs = []
+ self.clientSpecDirs = None
+ self.tempBranches = []
+ self.tempBranchLocation = "git-p4-tmp"
if gitConfig("git-p4.syncFromOrigin") == "false":
self.syncWithOrigin = False
.replace("%25", "%")
return path
+ # Force a checkpoint in fast-import and wait for it to finish
+ def checkpoint(self):
+ self.gitStream.write("checkpoint\n\n")
+ self.gitStream.write("progress checkpoint\n\n")
+ out = self.gitOutput.readline()
+ if self.verbose:
+ print "checkpoint finished: " + out
+
def extractFilesFromCommit(self, commit):
self.cloneExclude = [re.sub(r"\.\.\.$", "", path)
for path in self.cloneExclude]
def stripRepoPath(self, path, prefixes):
if self.useClientSpec:
-
- # if using the client spec, we use the output directory
- # specified in the client. For example, a view
- # //depot/foo/branch/... //client/branch/foo/...
- # will end up putting all foo/branch files into
- # branch/foo/
- for val in self.clientSpecDirs:
- if path.startswith(val[0]):
- # replace the depot path with the client path
- path = path.replace(val[0], val[1][1])
- # now strip out the client (//client/...)
- path = re.sub("^(//[^/]+/)", '', path)
- # the rest is all path
- return path
+ return self.clientSpecDirs.map_in_client(path)
if self.keepRepoPath:
prefixes = [re.sub("^(//[^/]+/).*", r'\1', prefixes[0])]
filesToDelete = []
for f in files:
- includeFile = True
- for val in self.clientSpecDirs:
- if f['path'].startswith(val[0]):
- if val[1][0] <= 0:
- includeFile = False
- break
+ # if using a client spec, only add the files that have
+ # a path in the client
+ if self.clientSpecDirs:
+ if self.clientSpecDirs.map_in_client(f['path']) == "":
+ continue
- if includeFile:
- filesForCommit.append(f)
- if f['action'] in self.delete_actions:
- filesToDelete.append(f)
- else:
- filesToRead.append(f)
+ filesForCommit.append(f)
+ if f['action'] in self.delete_actions:
+ filesToDelete.append(f)
+ else:
+ filesToRead.append(f)
# deleted files...
for f in filesToDelete:
if self.stream_file.has_key('depotFile'):
self.streamOneP4File(self.stream_file, self.stream_contents)
+ def make_email(self, userid):
+ if userid in self.users:
+ return self.users[userid]
+ else:
+ return "%s <a@b>" % userid
+
def commit(self, details, files, branch, branchPrefixes, parent = ""):
epoch = details["time"]
author = details["user"]
committer = ""
if author not in self.users:
self.getUserMapFromPerforceServer()
- if author in self.users:
- committer = "%s %s %s" % (self.users[author], epoch, self.tz)
- else:
- committer = "%s <a@b> %s %s" % (author, epoch, self.tz)
+ committer = "%s %s %s" % (self.make_email(author), epoch, self.tz)
self.gitStream.write("committer %s\n" % committer)
self.gitStream.write("from %s\n" % branch)
owner = labelDetails["Owner"]
- tagger = ""
- if author in self.users:
- tagger = "%s %s %s" % (self.users[owner], epoch, self.tz)
+
+ # Try to use the owner of the p4 label, or failing that,
+ # the current p4 user id.
+ if owner:
+ email = self.make_email(owner)
else:
- tagger = "%s <a@b> %s %s" % (owner, epoch, self.tz)
+ email = self.make_email(self.p4UserId())
+ tagger = "%s %s %s" % (email, epoch, self.tz)
+
self.gitStream.write("tagger %s\n" % tagger)
- self.gitStream.write("data <<EOT\n")
- self.gitStream.write(labelDetails["Description"])
- self.gitStream.write("EOT\n\n")
+
+ description = labelDetails["Description"]
+ self.gitStream.write("data %d\n" % len(description))
+ self.gitStream.write(description)
+ self.gitStream.write("\n")
else:
if not self.silent:
def getLabels(self):
self.labels = {}
- l = p4CmdList("labels %s..." % ' '.join (self.depotPaths))
+ l = p4CmdList(["labels"] + ["%s..." % p for p in self.depotPaths])
if len(l) > 0 and not self.silent:
print "Finding files belonging to labels in %s" % `self.depotPaths`
command = "branches"
for info in p4CmdList(command):
- details = p4Cmd("branch -o %s" % info["branch"])
+ details = p4Cmd(["branch", "-o", info["branch"]])
viewIdx = 0
while details.has_key("View%s" % viewIdx):
paths = details["View%s" % viewIdx].split(" ")
sourceRef = self.gitRefForBranch(sourceBranch)
#print "source " + sourceBranch
- branchParentChange = int(p4Cmd("changes -m 1 %s...@1,%s" % (sourceDepotPath, firstChange))["change"])
+ 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.importChanges(changes)
return True
+ def searchParent(self, parent, branch, target):
+ parentFound = False
+ for blob in read_pipe_lines(["git", "rev-list", "--reverse", "--no-merges", parent]):
+ blob = blob.strip()
+ if len(read_pipe(["git", "diff-tree", blob, target])) == 0:
+ parentFound = True
+ if self.verbose:
+ print "Found parent of %s in commit %s" % (branch, blob)
+ break
+ if parentFound:
+ return blob
+ else:
+ return None
+
def importChanges(self, changes):
cnt = 1
for change in changes:
- description = p4Cmd("describe %s" % change)
+ description = p4Cmd(["describe", str(change)])
self.updateOptionDict(description)
if not self.silent:
parent = self.initialParents[branch]
del self.initialParents[branch]
- self.commit(description, filesForCommit, branch, [branchPrefix], parent)
+ blob = None
+ if len(parent) > 0:
+ tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change))
+ if self.verbose:
+ print "Creating temporary branch: " + tempBranch
+ self.commit(description, filesForCommit, tempBranch, [branchPrefix])
+ self.tempBranches.append(tempBranch)
+ self.checkpoint()
+ blob = self.searchParent(parent, branch, tempBranch)
+ if blob:
+ self.commit(description, filesForCommit, branch, [branchPrefix], 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)
else:
files = self.extractFilesFromCommit(description)
self.commit(description, files, self.branch, self.depotPaths,
def getClientSpec(self):
- specList = p4CmdList( "client -o" )
- temp = {}
- for entry in specList:
- for k,v in entry.iteritems():
- if k.startswith("View"):
-
- # p4 has these %%1 to %%9 arguments in specs to
- # reorder paths; which we can't handle (yet :)
- if re.match('%%\d', v) != None:
- print "Sorry, can't handle %%n arguments in client specs"
- sys.exit(1)
-
- if v.startswith('"'):
- start = 1
- else:
- start = 0
- index = v.find("...")
-
- # save the "client view"; i.e the RHS of the view
- # line that tells the client where to put the
- # files for this view.
- cv = v[index+3:].strip() # +3 to remove previous '...'
-
- # if the client view doesn't end with a
- # ... wildcard, then we're going to mess up the
- # output directory, so fail gracefully.
- if not cv.endswith('...'):
- print 'Sorry, client view in "%s" needs to end with wildcard' % (k)
- sys.exit(1)
- cv=cv[:-3]
-
- # now save the view; +index means included, -index
- # means it should be filtered out.
- v = v[start:index]
- if v.startswith("-"):
- v = v[1:]
- include = -len(v)
- else:
- include = len(v)
+ specList = p4CmdList("client -o")
+ if len(specList) != 1:
+ die('Output from "client -o" is %d lines, expecting 1' %
+ len(specList))
- temp[v] = (include, cv)
+ # dictionary of all client parameters
+ entry = specList[0]
- self.clientSpecDirs = temp.items()
- self.clientSpecDirs.sort( lambda x, y: abs( y[1][0] ) - abs( x[1][0] ) )
+ # just the keys that start with "View"
+ view_keys = [ k for k in entry.keys() if k.startswith("View") ]
+
+ # hold this new View
+ view = View()
+
+ # append the lines, in order, to the view
+ for view_num in range(len(view_keys)):
+ k = "View%d" % view_num
+ if k not in view_keys:
+ die("Expected view key %s missing" % k)
+ view.append(entry[k])
+
+ self.clientSpecDirs = view
+ if self.verbose:
+ for i, m in enumerate(self.clientSpecDirs.mappings):
+ print "clientSpecDirs %d: %s" % (i, str(m))
def run(self, args):
self.depotPaths = []
self.gitOutput.close()
self.gitError.close()
+ # Cleanup temporary branches created during import
+ if self.tempBranches != []:
+ for branch in self.tempBranches:
+ read_pipe("git update-ref -d %s" % branch)
+ os.rmdir(os.path.join(os.environ.get("GIT_DIR", ".git"), self.tempBranchLocation))
+
return True
class P4Rebase(Command):