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-rwxr-xr-xgit-p4.py431
1 files changed, 318 insertions, 113 deletions
diff --git a/git-p4.py b/git-p4.py
index 7d6c928c3f..911bbce6c5 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -7,10 +7,36 @@
# 2007 Trolltech ASA
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
#
-
-import optparse, sys, os, marshal, subprocess, shelve
-import tempfile, getopt, os.path, time, platform
-import re, shutil
+import sys
+if sys.hexversion < 0x02040000:
+ # The limiter is the subprocess module
+ sys.stderr.write("git-p4: requires Python 2.4 or later.\n")
+ sys.exit(1)
+import os
+import optparse
+import marshal
+import subprocess
+import tempfile
+import time
+import platform
+import re
+import shutil
+import stat
+
+try:
+ from subprocess import CalledProcessError
+except ImportError:
+ # from python2.7:subprocess.py
+ # Exception classes used by this module.
+ class CalledProcessError(Exception):
+ """This exception is raised when a process run by check_call() returns
+ a non-zero exit status. The exit status will be stored in the
+ returncode attribute."""
+ def __init__(self, returncode, cmd):
+ self.returncode = returncode
+ self.cmd = cmd
+ def __str__(self):
+ return "Command '%s' returned non-zero exit status %d" % (self.cmd, self.returncode)
verbose = False
@@ -53,12 +79,27 @@ def p4_build_cmd(cmd):
real_cmd += cmd
return real_cmd
-def chdir(dir):
- # P4 uses the PWD environment variable rather than getcwd(). Since we're
- # not using the shell, we have to set it ourselves. This path could
- # be relative, so go there first, then figure out where we ended up.
- os.chdir(dir)
- os.environ['PWD'] = os.getcwd()
+def chdir(path, is_client_path=False):
+ """Do chdir to the given path, and set the PWD environment
+ variable for use by P4. It does not look at getcwd() output.
+ Since we're not using the shell, it is necessary to set the
+ PWD environment variable explicitly.
+
+ Normally, expand the path to force it to be absolute. This
+ addresses the use of relative path names inside P4 settings,
+ e.g. P4CONFIG=.p4config. P4 does not simply open the filename
+ as given; it looks for .p4config using PWD.
+
+ If is_client_path, the path was handed to us directly by p4,
+ and may be a symbolic link. Do not call os.getcwd() in this
+ case, because it will cause p4 to think that PWD is not inside
+ the client path.
+ """
+
+ os.chdir(path)
+ if not is_client_path:
+ path = os.getcwd()
+ os.environ['PWD'] = path
def die(msg):
if verbose:
@@ -129,17 +170,56 @@ def p4_has_command(cmd):
p.communicate()
return p.returncode == 0
+def p4_has_move_command():
+ """See if the move command exists, that it supports -k, and that
+ it has not been administratively disabled. The arguments
+ must be correct, but the filenames do not have to exist. Use
+ ones with wildcards so even if they exist, it will fail."""
+
+ if not p4_has_command("move"):
+ return False
+ cmd = p4_build_cmd(["move", "-k", "@from", "@to"])
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ (out, err) = p.communicate()
+ # return code will be 1 in either case
+ if err.find("Invalid option") >= 0:
+ return False
+ if err.find("disabled") >= 0:
+ return False
+ # assume it failed because @... was invalid changelist
+ return True
+
def system(cmd):
expand = isinstance(cmd,basestring)
if verbose:
sys.stderr.write("executing %s\n" % str(cmd))
- subprocess.check_call(cmd, shell=expand)
+ retcode = subprocess.call(cmd, shell=expand)
+ if retcode:
+ raise CalledProcessError(retcode, cmd)
def p4_system(cmd):
"""Specifically invoke p4 as the system command. """
real_cmd = p4_build_cmd(cmd)
expand = isinstance(real_cmd, basestring)
- subprocess.check_call(real_cmd, shell=expand)
+ retcode = subprocess.call(real_cmd, shell=expand)
+ if retcode:
+ raise CalledProcessError(retcode, real_cmd)
+
+_p4_version_string = None
+def p4_version_string():
+ """Read the version string, showing just the last line, which
+ hopefully is the interesting version bit.
+
+ $ p4 -V
+ Perforce - The Fast Software Configuration Management System.
+ Copyright 1995-2011 Perforce Software. All rights reserved.
+ Rev. P4/NTX86/2011.1/393975 (2011/12/16).
+ """
+ global _p4_version_string
+ if not _p4_version_string:
+ a = p4_read_pipe_lines(["-V"])
+ _p4_version_string = a[-1].rstrip()
+ return _p4_version_string
def p4_integrate(src, dest):
p4_system(["integrate", "-Dt", wildcard_encode(src), wildcard_encode(dest)])
@@ -169,6 +249,29 @@ def p4_reopen(type, f):
def p4_move(src, dest):
p4_system(["move", "-k", wildcard_encode(src), wildcard_encode(dest)])
+def p4_describe(change):
+ """Make sure it returns a valid result by checking for
+ the presence of field "time". Return a dict of the
+ results."""
+
+ ds = p4CmdList(["describe", "-s", str(change)])
+ if len(ds) != 1:
+ die("p4 describe -s %d did not return 1 result: %s" % (change, str(ds)))
+
+ d = ds[0]
+
+ if "p4ExitCode" in d:
+ die("p4 describe -s %d exited with %d: %s" % (change, d["p4ExitCode"],
+ str(d)))
+ if "code" in d:
+ if d["code"] == "error":
+ die("p4 describe -s %d returned error code: %s" % (change, str(d)))
+
+ if "time" not in d:
+ die("p4 describe -s %d returned no \"time\": %s" % (change, str(d)))
+
+ return d
+
#
# Canonicalize the p4 type and return a tuple of the
# base type, plus any modifiers. See "p4 help filetypes"
@@ -491,43 +594,75 @@ def gitBranchExists(branch):
return proc.wait() == 0;
_gitConfig = {}
-def gitConfig(key, args = None): # set args to "--bool", for instance
+
+def gitConfig(key):
if not _gitConfig.has_key(key):
- argsFilter = ""
- if args != None:
- argsFilter = "%s " % args
- cmd = "git config %s%s" % (argsFilter, key)
- _gitConfig[key] = read_pipe(cmd, ignore_error=True).strip()
+ cmd = [ "git", "config", key ]
+ s = read_pipe(cmd, ignore_error=True)
+ _gitConfig[key] = s.strip()
+ return _gitConfig[key]
+
+def gitConfigBool(key):
+ """Return a bool, using git config --bool. It is True only if the
+ variable is set to true, and False if set to false or not present
+ in the config."""
+
+ if not _gitConfig.has_key(key):
+ cmd = [ "git", "config", "--bool", key ]
+ s = read_pipe(cmd, ignore_error=True)
+ v = s.strip()
+ _gitConfig[key] = v == "true"
return _gitConfig[key]
def gitConfigList(key):
if not _gitConfig.has_key(key):
- _gitConfig[key] = read_pipe("git config --get-all %s" % key, ignore_error=True).strip().split(os.linesep)
+ s = read_pipe(["git", "config", "--get-all", key], ignore_error=True)
+ _gitConfig[key] = s.strip().split(os.linesep)
return _gitConfig[key]
-def p4BranchesInGit(branchesAreInRemotes = True):
+def p4BranchesInGit(branchesAreInRemotes=True):
+ """Find all the branches whose names start with "p4/", looking
+ in remotes or heads as specified by the argument. Return
+ a dictionary of { branch: revision } for each one found.
+ The branch names are the short names, without any
+ "p4/" prefix."""
+
branches = {}
cmdline = "git rev-parse --symbolic "
if branchesAreInRemotes:
- cmdline += " --remotes"
+ cmdline += "--remotes"
else:
- cmdline += " --branches"
+ cmdline += "--branches"
for line in read_pipe_lines(cmdline):
line = line.strip()
- ## only import to p4/
- if not line.startswith('p4/') or line == "p4/HEAD":
+ # only import to p4/
+ if not line.startswith('p4/'):
+ continue
+ # special symbolic ref to p4/master
+ if line == "p4/HEAD":
continue
- branch = line
- # strip off p4
- branch = re.sub ("^p4/", "", line)
+ # strip off p4/ prefix
+ branch = line[len("p4/"):]
branches[branch] = parseRevision(line)
+
return branches
+def branch_exists(branch):
+ """Make sure that the given ref name really exists."""
+
+ cmd = [ "git", "rev-parse", "--symbolic", "--verify", branch ]
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ out, _ = p.communicate()
+ if p.returncode:
+ return False
+ # expect exactly one line of output: the branch name
+ return out.rstrip() == branch
+
def findUpstreamBranchPoint(head = "HEAD"):
branches = p4BranchesInGit()
# map from depot-path to branch name
@@ -629,8 +764,7 @@ def p4PathStartsWith(path, prefix):
#
# we may or may not have a problem. If you have core.ignorecase=true,
# we treat DirA and dira as the same directory
- ignorecase = gitConfig("core.ignorecase", "--bool") == "true"
- if ignorecase:
+ if gitConfigBool("core.ignorecase"):
return path.lower().startswith(prefix.lower())
return path.startswith(prefix)
@@ -700,7 +834,8 @@ def wildcard_encode(path):
return path
def wildcard_present(path):
- return path.translate(None, "*#@%") != path
+ m = re.search("[*#@%]", path)
+ return m is not None
class Command:
def __init__(self):
@@ -859,19 +994,21 @@ class P4Submit(Command, P4UserMap):
optparse.make_option("--dry-run", "-n", dest="dry_run", action="store_true"),
optparse.make_option("--prepare-p4-only", dest="prepare_p4_only", action="store_true"),
optparse.make_option("--conflict", dest="conflict_behavior",
- choices=self.conflict_behavior_choices)
+ choices=self.conflict_behavior_choices),
+ optparse.make_option("--branch", dest="branch"),
]
self.description = "Submit changes from git to the perforce depot."
self.usage += " [name of git branch to submit into perforce depot]"
self.origin = ""
self.detectRenames = False
- self.preserveUser = gitConfig("git-p4.preserveUser").lower() == "true"
+ self.preserveUser = gitConfigBool("git-p4.preserveUser")
self.dry_run = False
self.prepare_p4_only = False
self.conflict_behavior = None
self.isWindows = (platform.system() == "Windows")
self.exportLabels = False
- self.p4HasMoveCommand = p4_has_command("move")
+ self.p4HasMoveCommand = p4_has_move_command()
+ self.branch = None
def check(self):
if len(p4CmdList("opened ...")) > 0:
@@ -959,7 +1096,8 @@ class P4Submit(Command, P4UserMap):
def p4UserForCommit(self,id):
# Return the tuple (perforce user,git email) for a given git commit id
self.getUserMapFromPerforceServer()
- gitEmail = read_pipe("git log --max-count=1 --format='%%ae' %s" % id)
+ gitEmail = read_pipe(["git", "log", "--max-count=1",
+ "--format=%ae", id])
gitEmail = gitEmail.strip()
if not self.emails.has_key(gitEmail):
return (None,gitEmail)
@@ -972,7 +1110,7 @@ class P4Submit(Command, P4UserMap):
(user,email) = self.p4UserForCommit(id)
if not user:
msg = "Cannot find p4 user for email %s in commit %s." % (email, id)
- if gitConfig('git-p4.allowMissingP4Users').lower() == "true":
+ if gitConfigBool("git-p4.allowMissingP4Users"):
print "%s" % msg
else:
die("Error: %s\nSet git-p4.allowMissingP4Users to true to allow this." % msg)
@@ -1067,7 +1205,7 @@ class P4Submit(Command, P4UserMap):
message. Return true if okay to continue with the submit."""
# if configured to skip the editing part, just submit
- if gitConfig("git-p4.skipSubmitEdit") == "true":
+ if gitConfigBool("git-p4.skipSubmitEdit"):
return True
# look at the modification time, to check later if the user saved
@@ -1083,7 +1221,7 @@ class P4Submit(Command, P4UserMap):
# If the file was not saved, prompt to see if this patch should
# be skipped. But skip this verification step if configured so.
- if gitConfig("git-p4.skipSubmitEditCheck") == "true":
+ if gitConfigBool("git-p4.skipSubmitEditCheck"):
return True
# modification time updated means user saved the file
@@ -1141,6 +1279,9 @@ class P4Submit(Command, P4UserMap):
p4_edit(dest)
pureRenameCopy.discard(dest)
filesToChangeExecBit[dest] = diff['dst_mode']
+ if self.isWindows:
+ # turn off read-only attribute
+ os.chmod(dest, stat.S_IWRITE)
os.unlink(dest)
editedFiles.add(dest)
elif modifier == "R":
@@ -1159,6 +1300,8 @@ class P4Submit(Command, P4UserMap):
p4_edit(dest) # with move: already open, writable
filesToChangeExecBit[dest] = diff['dst_mode']
if not self.p4HasMoveCommand:
+ if self.isWindows:
+ os.chmod(dest, stat.S_IWRITE)
os.unlink(dest)
filesToDelete.add(src)
editedFiles.add(dest)
@@ -1178,7 +1321,7 @@ class P4Submit(Command, P4UserMap):
# Patch failed, maybe it's just RCS keyword woes. Look through
# the patch to see if that's possible.
- if gitConfig("git-p4.attemptRCSCleanup","--bool") == "true":
+ if gitConfigBool("git-p4.attemptRCSCleanup"):
file = None
pattern = None
kwfiles = {}
@@ -1199,6 +1342,10 @@ class P4Submit(Command, P4UserMap):
for file in kwfiles:
if verbose:
print "zapping %s with %s" % (line,pattern)
+ # File is being deleted, so not open in p4. Must
+ # disable the read-only bit on windows.
+ if self.isWindows and file not in editedFiles:
+ os.chmod(file, stat.S_IWRITE)
self.patchRCSKeywords(file, kwfiles[file])
fixed_rcs_keywords = True
@@ -1469,7 +1616,7 @@ class P4Submit(Command, P4UserMap):
sys.exit(128)
self.useClientSpec = False
- if gitConfig("git-p4.useclientspec", "--bool") == "true":
+ if gitConfigBool("git-p4.useclientspec"):
self.useClientSpec = True
if self.useClientSpec:
self.clientSpecDirs = getClientSpec()
@@ -1492,7 +1639,7 @@ class P4Submit(Command, P4UserMap):
new_client_dir = True
os.makedirs(self.clientPath)
- chdir(self.clientPath)
+ chdir(self.clientPath, is_client_path=True)
if self.dry_run:
print "Would synchronize p4 checkout in %s" % self.clientPath
else:
@@ -1505,11 +1652,11 @@ class P4Submit(Command, P4UserMap):
self.check()
commits = []
- for line in read_pipe_lines("git rev-list --no-merges %s..%s" % (self.origin, self.master)):
+ for line in read_pipe_lines(["git", "rev-list", "--no-merges", "%s..%s" % (self.origin, self.master)]):
commits.append(line.strip())
commits.reverse()
- if self.preserveUser or (gitConfig("git-p4.skipUserNameCheck") == "true"):
+ if self.preserveUser or gitConfigBool("git-p4.skipUserNameCheck"):
self.checkAuthorship = False
else:
self.checkAuthorship = True
@@ -1545,7 +1692,7 @@ class P4Submit(Command, P4UserMap):
else:
self.diffOpts += " -C%s" % detectCopies
- if gitConfig("git-p4.detectCopiesHarder", "--bool") == "true":
+ if gitConfigBool("git-p4.detectCopiesHarder"):
self.diffOpts += " --find-copies-harder"
#
@@ -1608,6 +1755,8 @@ class P4Submit(Command, P4UserMap):
print "All commits applied!"
sync = P4Sync()
+ if self.branch:
+ sync.branch = self.branch
sync.run([])
rebase = P4Rebase()
@@ -1627,7 +1776,7 @@ class P4Submit(Command, P4UserMap):
"--format=format:%h %s", c])
print "You will have to do 'git p4 sync' and rebase."
- if gitConfig("git-p4.exportLabels", "--bool") == "true":
+ if gitConfigBool("git-p4.exportLabels"):
self.exportLabels = True
if self.exportLabels:
@@ -1897,7 +2046,6 @@ class P4Sync(Command, P4UserMap):
self.syncWithOrigin = True
self.importIntoRemotes = True
self.maxChanges = ""
- self.isWindows = (platform.system() == "Windows")
self.keepRepoPath = False
self.depotPaths = None
self.p4BranchesInGit = []
@@ -2042,7 +2190,14 @@ class P4Sync(Command, P4UserMap):
# operations. utf16 is converted to ascii or utf8, perhaps.
# But ascii text saved as -t utf16 is completely mangled.
# Invoke print -o to get the real contents.
+ #
+ # On windows, the newlines will always be mangled by print, so put
+ # them back too. This is not needed to the cygwin windows version,
+ # just the native "NT" type.
+ #
text = p4_read_pipe(['print', '-q', '-o', '-', file['depotFile']])
+ if p4_version_string().find("/NT") >= 0:
+ text = text.replace("\r\n", "\n")
contents = [ text ]
if type_base == "apple":
@@ -2058,15 +2213,6 @@ class P4Sync(Command, P4UserMap):
print "\nIgnoring apple filetype file %s" % file['depotFile']
return
- # Perhaps windows wants unicode, utf16 newlines translated too;
- # but this is not doing it.
- if self.isWindows and type_base == "text":
- mangled = []
- for data in contents:
- data = data.replace("\r\n", "\n")
- mangled.append(data)
- contents = mangled
-
# Note that we do not try to de-mangle keywords on utf16 files,
# even though in theory somebody may want that.
pattern = p4_keywords_regexp_for_type(type_base, type_mods)
@@ -2097,6 +2243,29 @@ class P4Sync(Command, P4UserMap):
# handle another chunk of streaming data
def streamP4FilesCb(self, marshalled):
+ # catch p4 errors and complain
+ err = None
+ if "code" in marshalled:
+ if marshalled["code"] == "error":
+ if "data" in marshalled:
+ err = marshalled["data"].rstrip()
+ if err:
+ f = None
+ if self.stream_have_file_info:
+ if "depotFile" in self.stream_file:
+ f = self.stream_file["depotFile"]
+ # force a failure in fast-import, else an empty
+ # commit will be made
+ self.gitStream.write("\n")
+ self.gitStream.write("die-now\n")
+ self.gitStream.close()
+ # ignore errors, but make sure it exits first
+ self.importProcess.wait()
+ if f:
+ die("Error from p4 print for %s: %s" % (f, err))
+ else:
+ die("Error from p4 print: %s" % err)
+
if marshalled.has_key('depotFile') and self.stream_have_file_info:
# start of a new file - output the old one first
self.streamOneP4File(self.stream_file, self.stream_contents)
@@ -2341,7 +2510,7 @@ class P4Sync(Command, P4UserMap):
try:
tmwhen = time.strptime(labelDetails['Update'], "%Y/%m/%d %H:%M:%S")
except ValueError:
- print "Could not convert label time %s" % labelDetail['Update']
+ print "Could not convert label time %s" % labelDetails['Update']
tmwhen = 1
when = int(time.mktime(tmwhen))
@@ -2438,13 +2607,6 @@ class P4Sync(Command, P4UserMap):
branch = branch[len(self.projectName):]
self.knownBranches[branch] = branch
- def listExistingP4GitBranches(self):
- # branches holds mapping from name to commit
- branches = p4BranchesInGit(self.importIntoRemotes)
- self.p4BranchesInGit = branches.keys()
- for branch in branches.keys():
- self.initialParents[self.refPrefix + branch] = branches[branch]
-
def updateOptionDict(self, d):
option_keys = {}
if self.keepRepoPath:
@@ -2528,7 +2690,8 @@ class P4Sync(Command, P4UserMap):
def searchParent(self, parent, branch, target):
parentFound = False
- for blob in read_pipe_lines(["git", "rev-list", "--reverse", "--no-merges", parent]):
+ 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
@@ -2543,7 +2706,7 @@ class P4Sync(Command, P4UserMap):
def importChanges(self, changes):
cnt = 1
for change in changes:
- description = p4Cmd(["describe", str(change)])
+ description = p4_describe(change)
self.updateOptionDict(description)
if not self.silent:
@@ -2599,7 +2762,7 @@ class P4Sync(Command, P4UserMap):
blob = None
if len(parent) > 0:
- tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change))
+ tempBranch = "%s/%d" % (self.tempBranchLocation, change)
if self.verbose:
print "Creating temporary branch: " + tempBranch
self.commit(description, filesForCommit, tempBranch)
@@ -2616,6 +2779,7 @@ class P4Sync(Command, P4UserMap):
files = self.extractFilesFromCommit(description)
self.commit(description, files, self.branch,
self.initialParent)
+ # only needed once, to connect to the previous commit
self.initialParent = ""
except IOError:
print self.gitError.read()
@@ -2667,14 +2831,8 @@ class P4Sync(Command, P4UserMap):
# Use time from top-most change so that all git p4 clones of
# the same p4 repo have the same commit SHA1s.
- res = p4CmdList("describe -s %d" % newestRevision)
- newestTime = None
- for r in res:
- if r.has_key('time'):
- newestTime = int(r['time'])
- if newestTime is None:
- die("\"describe -s\" on newest change %d did not give a time")
- details["time"] = newestTime
+ res = p4_describe(newestRevision)
+ details["time"] = res["time"]
self.updateOptionDict(details)
try:
@@ -2687,41 +2845,38 @@ class P4Sync(Command, P4UserMap):
def run(self, args):
self.depotPaths = []
self.changeRange = ""
- self.initialParent = ""
self.previousDepotPaths = []
+ self.hasOrigin = False
# map from branch depot path to parent branch
self.knownBranches = {}
self.initialParents = {}
- self.hasOrigin = originP4BranchesExist()
- if not self.syncWithOrigin:
- self.hasOrigin = False
if self.importIntoRemotes:
self.refPrefix = "refs/remotes/p4/"
else:
self.refPrefix = "refs/heads/p4/"
- if self.syncWithOrigin and self.hasOrigin:
- if not self.silent:
- print "Syncing with origin first by calling git fetch origin"
- system("git fetch origin")
+ if self.syncWithOrigin:
+ self.hasOrigin = originP4BranchesExist()
+ if self.hasOrigin:
+ if not self.silent:
+ print 'Syncing with origin first, using "git fetch origin"'
+ system("git fetch origin")
+ branch_arg_given = bool(self.branch)
if len(self.branch) == 0:
self.branch = self.refPrefix + "master"
if gitBranchExists("refs/heads/p4") and self.importIntoRemotes:
system("git update-ref %s refs/heads/p4" % self.branch)
- system("git branch -D p4");
- # create it /after/ importing, when master exists
- if not gitBranchExists(self.refPrefix + "HEAD") and self.importIntoRemotes and gitBranchExists(self.branch):
- system("git symbolic-ref %sHEAD %s" % (self.refPrefix, self.branch))
+ system("git branch -D p4")
# accept either the command-line option, or the configuration variable
if self.useClientSpec:
# will use this after clone to set the variable
self.useClientSpec_from_options = True
else:
- if gitConfig("git-p4.useclientspec", "--bool") == "true":
+ if gitConfigBool("git-p4.useclientspec"):
self.useClientSpec = True
if self.useClientSpec:
self.clientSpecDirs = getClientSpec()
@@ -2731,12 +2886,25 @@ class P4Sync(Command, P4UserMap):
if args == []:
if self.hasOrigin:
createOrUpdateBranchesFromOrigin(self.refPrefix, self.silent)
- self.listExistingP4GitBranches()
+
+ # branches holds mapping from branch name to sha1
+ branches = p4BranchesInGit(self.importIntoRemotes)
+
+ # restrict to just this one, disabling detect-branches
+ if branch_arg_given:
+ short = self.branch.split("/")[-1]
+ if short in branches:
+ self.p4BranchesInGit = [ short ]
+ else:
+ self.p4BranchesInGit = branches.keys()
if len(self.p4BranchesInGit) > 1:
if not self.silent:
print "Importing from/into multiple branches"
self.detectBranches = True
+ for branch in branches.keys():
+ self.initialParents[self.refPrefix + branch] = \
+ branches[branch]
if self.verbose:
print "branches: %s" % self.p4BranchesInGit
@@ -2773,13 +2941,21 @@ class P4Sync(Command, P4UserMap):
if p4Change > 0:
self.depotPaths = sorted(self.previousDepotPaths)
self.changeRange = "@%s,#head" % p4Change
- if not self.detectBranches:
- self.initialParent = parseRevision(self.branch)
if not self.silent and not self.detectBranches:
print "Performing incremental import into %s git branch" % self.branch
+ # accept multiple ref name abbreviations:
+ # refs/foo/bar/branch -> use it exactly
+ # p4/branch -> prepend refs/remotes/ or refs/heads/
+ # branch -> prepend refs/remotes/p4/ or refs/heads/p4/
if not self.branch.startswith("refs/"):
- self.branch = "refs/heads/" + self.branch
+ if self.importIntoRemotes:
+ prepend = "refs/remotes/"
+ else:
+ prepend = "refs/heads/"
+ if not self.branch.startswith("p4/"):
+ prepend += "p4/"
+ self.branch = prepend + self.branch
if len(args) == 0 and self.depotPaths:
if not self.silent:
@@ -2864,12 +3040,13 @@ class P4Sync(Command, P4UserMap):
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);
- self.gitOutput = importProcess.stdout
- self.gitStream = importProcess.stdin
- self.gitError = importProcess.stderr
+ self.importProcess = subprocess.Popen(["git", "fast-import"],
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE);
+ self.gitOutput = self.importProcess.stdout
+ self.gitStream = self.importProcess.stdin
+ self.gitError = self.importProcess.stderr
if revision:
self.importHeadRevision(revision)
@@ -2889,8 +3066,21 @@ class P4Sync(Command, P4UserMap):
else:
# catch "git p4 sync" with no new branches, in a repo that
# does not have any existing p4 branches
- if len(args) == 0 and not self.p4BranchesInGit:
- die("No remote p4 branches. Perhaps you never did \"git p4 clone\" in here.");
+ if len(args) == 0:
+ if not self.p4BranchesInGit:
+ die("No remote p4 branches. Perhaps you never did \"git p4 clone\" in here.")
+
+ # The default branch is master, unless --branch is used to
+ # specify something else. Make sure it exists, or complain
+ # nicely about how to use --branch.
+ if not self.detectBranches:
+ if not branch_exists(self.branch):
+ if branch_arg_given:
+ die("Error: branch %s does not exist." % self.branch)
+ else:
+ die("Error: no branch %s; perhaps specify one with --branch." %
+ self.branch)
+
if self.verbose:
print "Getting p4 changes for %s...%s" % (', '.join(self.depotPaths),
self.changeRange)
@@ -2908,6 +3098,14 @@ class P4Sync(Command, P4UserMap):
self.updatedBranches = set()
+ if not self.detectBranches:
+ if args:
+ # start a new branch
+ self.initialParent = ""
+ else:
+ # build on a previous revision
+ self.initialParent = parseRevision(self.branch)
+
self.importChanges(changes)
if not self.silent:
@@ -2918,7 +3116,7 @@ class P4Sync(Command, P4UserMap):
sys.stdout.write("%s " % b)
sys.stdout.write("\n")
- if gitConfig("git-p4.importLabels", "--bool") == "true":
+ if gitConfigBool("git-p4.importLabels"):
self.importLabels = True
if self.importLabels:
@@ -2929,7 +3127,7 @@ class P4Sync(Command, P4UserMap):
self.importP4Labels(self.gitStream, missingP4Labels)
self.gitStream.close()
- if importProcess.wait() != 0:
+ if self.importProcess.wait() != 0:
die("fast-import failed: %s" % self.gitError.read())
self.gitOutput.close()
self.gitError.close()
@@ -2940,6 +3138,13 @@ class P4Sync(Command, P4UserMap):
read_pipe("git update-ref -d %s" % branch)
os.rmdir(os.path.join(os.environ.get("GIT_DIR", ".git"), self.tempBranchLocation))
+ # Create a symbolic ref p4/HEAD pointing to p4/<branch> to allow
+ # a convenient shortcut refname "p4".
+ if self.importIntoRemotes:
+ head_ref = self.refPrefix + "HEAD"
+ if not gitBranchExists(head_ref) and gitBranchExists(self.branch):
+ system(["git", "symbolic-ref", head_ref, self.branch])
+
return True
class P4Rebase(Command):
@@ -3029,6 +3234,7 @@ class P4Clone(P4Sync):
self.cloneExclude = ["/"+p for p in self.cloneExclude]
for p in depotPaths:
if not p.startswith("//"):
+ sys.stderr.write('Depot paths must start with "//": %s\n' % p)
return False
if not self.cloneDestination:
@@ -3043,21 +3249,21 @@ class P4Clone(P4Sync):
init_cmd = [ "git", "init" ]
if self.cloneBare:
init_cmd.append("--bare")
- subprocess.check_call(init_cmd)
+ retcode = subprocess.call(init_cmd)
+ if retcode:
+ raise CalledProcessError(retcode, init_cmd)
if not P4Sync.run(self, depotPaths):
return False
- if self.branch != "master":
- if self.importIntoRemotes:
- masterbranch = "refs/remotes/p4/master"
- else:
- masterbranch = "refs/heads/p4/master"
- if gitBranchExists(masterbranch):
- system("git branch master %s" % masterbranch)
- if not self.cloneBare:
- system("git checkout -f")
- else:
- print "Could not detect main branch. No checkout/master branch created."
+
+ # create a master branch and check out a work tree
+ if gitBranchExists(self.branch):
+ system([ "git", "branch", "master", self.branch ])
+ if not self.cloneBare:
+ system([ "git", "checkout", "-f" ])
+ else:
+ print 'Not checking out any branch, use ' \
+ '"git checkout -q -b master <branch>"'
# auto-set this variable if invoked with --use-client-spec
if self.useClientSpec_from_options:
@@ -3128,7 +3334,6 @@ def main():
printUsage(commands.keys())
sys.exit(2)
- cmd = ""
cmdName = sys.argv[1]
try:
klass = commands[cmdName]