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#!/usr/bin/env python
#
# git-p4.py -- A tool for bidirectional operation between a Perforce depot and git.
#
# Author: Simon Hausmann <simon@lst.de>
# Copyright: 2007 Simon Hausmann <simon@lst.de>
# 2007 Trolltech ASA
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
#
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
import zipfile
import zlib
import ctypes
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
# Only labels/tags matching this will be imported/exported
defaultLabelRegexp = r'[a-zA-Z0-9_\-.]+$'
# Grab changes in blocks of this many revisions, unless otherwise requested
defaultBlockSize = 512
def p4_build_cmd(cmd):
"""Build a suitable p4 command line.
This consolidates building and returning a p4 command line into one
location. It means that hooking into the environment, or other configuration
can be done more easily.
"""
real_cmd = ["p4"]
user = gitConfig("git-p4.user")
if len(user) > 0:
real_cmd += ["-u",user]
password = gitConfig("git-p4.password")
if len(password) > 0:
real_cmd += ["-P", password]
port = gitConfig("git-p4.port")
if len(port) > 0:
real_cmd += ["-p", port]
host = gitConfig("git-p4.host")
if len(host) > 0:
real_cmd += ["-H", host]
client = gitConfig("git-p4.client")
if len(client) > 0:
real_cmd += ["-c", client]
if isinstance(cmd,basestring):
real_cmd = ' '.join(real_cmd) + ' ' + cmd
else:
real_cmd += cmd
return real_cmd
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 calcDiskFree():
"""Return free space in bytes on the disk of the given dirname."""
if platform.system() == 'Windows':
free_bytes = ctypes.c_ulonglong(0)
ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(os.getcwd()), None, None, ctypes.pointer(free_bytes))
return free_bytes.value
else:
st = os.statvfs(os.getcwd())
return st.f_bavail * st.f_frsize
def die(msg):
if verbose:
raise Exception(msg)
else:
sys.stderr.write(msg + "\n")
sys.exit(1)
def write_pipe(c, stdin):
if verbose:
sys.stderr.write('Writing pipe: %s\n' % str(c))
expand = isinstance(c,basestring)
p = subprocess.Popen(c, stdin=subprocess.PIPE, shell=expand)
pipe = p.stdin
val = pipe.write(stdin)
pipe.close()
if p.wait():
die('Command failed: %s' % str(c))
return val
def p4_write_pipe(c, stdin):
real_cmd = p4_build_cmd(c)
return write_pipe(real_cmd, stdin)
def read_pipe(c, ignore_error=False):
if verbose:
sys.stderr.write('Reading pipe: %s\n' % str(c))
expand = isinstance(c,basestring)
p = subprocess.Popen(c, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=expand)
(out, err) = p.communicate()
if p.returncode != 0 and not ignore_error:
die('Command failed: %s\nError: %s' % (str(c), err))
return out
def p4_read_pipe(c, ignore_error=False):
real_cmd = p4_build_cmd(c)
return read_pipe(real_cmd, ignore_error)
def read_pipe_lines(c):
if verbose:
sys.stderr.write('Reading pipe: %s\n' % str(c))
expand = isinstance(c, basestring)
p = subprocess.Popen(c, stdout=subprocess.PIPE, shell=expand)
pipe = p.stdout
val = pipe.readlines()
if pipe.close() or p.wait():
die('Command failed: %s' % str(c))
return val
def p4_read_pipe_lines(c):
"""Specifically invoke p4 on the command supplied. """
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 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, ignore_error=False):
expand = isinstance(cmd,basestring)
if verbose:
sys.stderr.write("executing %s\n" % str(cmd))
retcode = subprocess.call(cmd, shell=expand)
if retcode and not ignore_error:
raise CalledProcessError(retcode, cmd)
return retcode
def p4_system(cmd):
"""Specifically invoke p4 as the system command. """
real_cmd = p4_build_cmd(cmd)
expand = isinstance(real_cmd, basestring)
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)])
def p4_sync(f, *options):
p4_system(["sync"] + list(options) + [wildcard_encode(f)])
def p4_add(f):
# forcibly add file names with wildcards
if wildcard_present(f):
p4_system(["add", "-f", f])
else:
p4_system(["add", f])
def p4_delete(f):
p4_system(["delete", wildcard_encode(f)])
def p4_edit(f, *options):
p4_system(["edit"] + list(options) + [wildcard_encode(f)])
def p4_revert(f):
p4_system(["revert", wildcard_encode(f)])
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)])
def p4_last_change():
results = p4CmdList(["changes", "-m", "1"])
return int(results[0]['change'])
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"
# for a list and explanation.
#
def split_p4_type(p4type):
p4_filetypes_historical = {
"ctempobj": "binary+Sw",
"ctext": "text+C",
"cxtext": "text+Cx",
"ktext": "text+k",
"kxtext": "text+kx",
"ltext": "text+F",
"tempobj": "binary+FSw",
"ubinary": "binary+F",
"uresource": "resource+F",
"uxbinary": "binary+Fx",
"xbinary": "binary+x",
"xltext": "text+Fx",
"xtempobj": "binary+Swx",
"xtext": "text+x",
"xunicode": "unicode+x",
"xutf16": "utf16+x",
}
if p4type in p4_filetypes_historical:
p4type = p4_filetypes_historical[p4type]
mods = ""
s = p4type.split("+")
base = s[0]
mods = ""
if len(s) > 1:
mods = s[1]
return (base, mods)
#
# return the raw p4 type of a file (text, text+ko, etc)
#
def p4_type(f):
results = p4CmdList(["fstat", "-T", "headType", wildcard_encode(f)])
return results[0]['headType']
#
# Given a type base and modifier, return a regexp matching
# the keywords that can be expanded in the file
#
def p4_keywords_regexp_for_type(base, type_mods):
if base in ("text", "unicode", "binary"):
kwords = None
if "ko" in type_mods:
kwords = 'Id|Header'
elif "k" in type_mods:
kwords = 'Id|Header|Author|Date|DateTime|Change|File|Revision'
else:
return None
pattern = r"""
\$ # Starts with a dollar, followed by...
(%s) # one of the keywords, followed by...
(:[^$\n]+)? # possibly an old expansion, followed by...
\$ # another dollar
""" % kwords
return pattern
else:
return None
#
# Given a file, return a regexp matching the possible
# RCS keywords that will be expanded, or None for files
# with kw expansion turned off.
#
def p4_keywords_regexp_for_file(file):
if not os.path.exists(file):
return None
else:
(type_base, type_mods) = split_p4_type(p4_type(file))
return p4_keywords_regexp_for_type(type_base, type_mods)
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]
p4_reopen(p4Type, file)
def getP4OpenedType(file):
# Returns the perforce file type for the given file.
result = p4_read_pipe(["opened", wildcard_encode(file)])
match = re.match(".*\((.+)\)( \*exclusive\*)?\r?$", result)
if match:
return match.group(1)
else:
die("Could not determine file type for %s (result: '%s')" % (file, result))
# Return the set of all p4 labels
def getP4Labels(depotPaths):
labels = set()
if isinstance(depotPaths,basestring):
depotPaths = [depotPaths]
for l in p4CmdList(["labels"] + ["%s..." % p for p in depotPaths]):
label = l['label']
labels.add(label)
return labels
# Return the set of all git tags
def getGitTags():
gitTags = set()
for line in read_pipe_lines(["git", "tag"]):
tag = line.strip()
gitTags.add(tag)
return gitTags
def diffTreePattern():
# This is a simple generator for the diff tree regex pattern. This could be
# a class variable if this and parseDiffTreeEntry were a part of a class.
pattern = re.compile(':(\d+) (\d+) (\w+) (\w+) ([A-Z])(\d+)?\t(.*?)((\t(.*))|$)')
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', cb=None):
if isinstance(cmd,basestring):
cmd = "-G " + cmd
expand = True
else:
cmd = ["-G"] + cmd
expand = False
cmd = p4_build_cmd(cmd)
if verbose:
sys.stderr.write("Opening pipe: %s\n" % str(cmd))
# Use a temporary file to avoid deadlocks without
# subprocess.communicate(), which would put another copy
# of stdout into memory.
stdin_file = None
if stdin is not None:
stdin_file = tempfile.TemporaryFile(prefix='p4-stdin', mode=stdin_mode)
if isinstance(stdin,basestring):
stdin_file.write(stdin)
else:
for i in stdin:
stdin_file.write(i + '\n')
stdin_file.flush()
stdin_file.seek(0)
p4 = subprocess.Popen(cmd,
shell=expand,
stdin=stdin_file,
stdout=subprocess.PIPE)
result = []
try:
while True:
entry = marshal.load(p4.stdout)
if cb is not None:
cb(entry)
else:
result.append(entry)
except EOFError:
pass
exitCode = p4.wait()
if exitCode != 0:
entry = {}
entry["p4ExitCode"] = exitCode
result.append(entry)
return result
def p4Cmd(cmd):
list = p4CmdList(cmd)
result = {}
for entry in list:
result.update(entry)
return result;
def p4Where(depotPath):
if not depotPath.endswith("/"):
depotPath += "/"
depotPathLong = depotPath + "..."
outputList = p4CmdList(["where", depotPathLong])
output = None
for entry in outputList:
if "depotFile" in entry:
# Search for the base client side depot path, as long as it starts with the branch's P4 path.
# The base path always ends with "/...".
if entry["depotFile"].find(depotPath) == 0 and entry["depotFile"][-4:] == "/...":
output = entry
break
elif "data" in entry:
data = entry.get("data")
space = data.find(" ")
if data[:space] == depotPath:
output = entry
break
if output == None:
return ""
if output["code"] == "error":
return ""
clientPath = ""
if "path" in output:
clientPath = output.get("path")
elif "data" in output:
data = output.get("data")
lastSpace = data.rfind(" ")
clientPath = data[lastSpace + 1:]
if clientPath.endswith("..."):
clientPath = clientPath[:-3]
return clientPath
def currentGitBranch():
retcode = system(["git", "symbolic-ref", "-q", "HEAD"], ignore_error=True)
if retcode != 0:
# on a detached head
return None
else:
return read_pipe(["git", "name-rev", "HEAD"]).split(" ")[1].strip()
def isValidGitDir(path):
if (os.path.exists(path + "/HEAD")
and os.path.exists(path + "/refs") and os.path.exists(path + "/objects")):
return True;
return False
def parseRevision(ref):
return read_pipe("git rev-parse %s" % ref).strip()
def branchExists(ref):
rev = read_pipe(["git", "rev-parse", "-q", "--verify", ref],
ignore_error=True)
return len(rev) > 0
def extractLogMessageFromGitCommit(commit):
logMessage = ""
## fixme: title is first line of commit, not 1st paragraph.
foundTitle = False
for log in read_pipe_lines("git cat-file commit %s" % commit):
if not foundTitle:
if len(log) == 1:
foundTitle = True
continue
logMessage += log
return logMessage
def extractSettingsGitLog(log):
values = {}
for line in log.split("\n"):
line = line.strip()
m = re.search (r"^ *\[git-p4: (.*)\]$", line)
if not m:
continue
assignments = m.group(1).split (':')
for a in assignments:
vals = a.split ('=')
key = vals[0].strip()
val = ('='.join (vals[1:])).strip()
if val.endswith ('\"') and val.startswith('"'):
val = val[1:-1]
values[key] = val
paths = values.get("depot-paths")
if not paths:
paths = values.get("depot-path")
if paths:
values['depot-paths'] = paths.split(',')
return values
def gitBranchExists(branch):
proc = subprocess.Popen(["git", "rev-parse", branch],
stderr=subprocess.PIPE, stdout=subprocess.PIPE);
return proc.wait() == 0;
_gitConfig = {}
def gitConfig(key, typeSpecifier=None):
if not _gitConfig.has_key(key):
cmd = [ "git", "config" ]
if typeSpecifier:
cmd += [ typeSpecifier ]
cmd += [ 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):
_gitConfig[key] = gitConfig(key, '--bool') == "true"
return _gitConfig[key]
def gitConfigInt(key):
if not _gitConfig.has_key(key):
cmd = [ "git", "config", "--int", key ]
s = read_pipe(cmd, ignore_error=True)
v = s.strip()
try:
_gitConfig[key] = int(gitConfig(key, '--int'))
except ValueError:
_gitConfig[key] = None
return _gitConfig[key]
def gitConfigList(key):
if not _gitConfig.has_key(key):
s = read_pipe(["git", "config", "--get-all", key], ignore_error=True)
_gitConfig[key] = s.strip().split(os.linesep)
if _gitConfig[key] == ['']:
_gitConfig[key] = []
return _gitConfig[key]
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"
else:
cmdline += "--branches"
for line in read_pipe_lines(cmdline):
line = line.strip()
# only import to p4/
if not line.startswith('p4/'):
continue
# special symbolic ref to p4/master
if line == "p4/HEAD":
continue
# 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
branchByDepotPath = {}
for branch in branches.keys():
tip = branches[branch]
log = extractLogMessageFromGitCommit(tip)
settings = extractSettingsGitLog(log)
if settings.has_key("depot-paths"):
paths = ",".join(settings["depot-paths"])
branchByDepotPath[paths] = "remotes/p4/" + branch
settings = None
parent = 0
while parent < 65535:
commit = head + "~%s" % parent
log = extractLogMessageFromGitCommit(commit)
settings = extractSettingsGitLog(log)
if settings.has_key("depot-paths"):
paths = ",".join(settings["depot-paths"])
if branchByDepotPath.has_key(paths):
return [branchByDepotPath[paths], settings]
parent = parent + 1
return ["", settings]
def createOrUpdateBranchesFromOrigin(localRefPrefix = "refs/remotes/p4/", silent=True):
if not silent:
print ("Creating/updating branch(es) in %s based on origin branch(es)"
% localRefPrefix)
originPrefix = "origin/p4/"
for line in read_pipe_lines("git rev-parse --symbolic --remotes"):
line = line.strip()
if (not line.startswith(originPrefix)) or line.endswith("HEAD"):
continue
headName = line[len(originPrefix):]
remoteHead = localRefPrefix + headName
originHead = line
original = extractSettingsGitLog(extractLogMessageFromGitCommit(originHead))
if (not original.has_key('depot-paths')
or not original.has_key('change')):
continue
update = False
if not gitBranchExists(remoteHead):
if verbose:
print "creating %s" % remoteHead
update = True
else:
settings = extractSettingsGitLog(extractLogMessageFromGitCommit(remoteHead))
if settings.has_key('change') > 0:
if settings['depot-paths'] == original['depot-paths']:
originP4Change = int(original['change'])
p4Change = int(settings['change'])
if originP4Change > p4Change:
print ("%s (%s) is newer than %s (%s). "
"Updating p4 branch from origin."
% (originHead, originP4Change,
remoteHead, p4Change))
update = True
else:
print ("Ignoring: %s was imported from %s while "
"%s was imported from %s"
% (originHead, ','.join(original['depot-paths']),
remoteHead, ','.join(settings['depot-paths'])))
if update:
system("git update-ref %s %s" % (remoteHead, originHead))
def originP4BranchesExist():
return gitBranchExists("origin") or gitBranchExists("origin/p4") or gitBranchExists("origin/p4/master")
def p4ParseNumericChangeRange(parts):
changeStart = int(parts[0][1:])
if parts[1] == '#head':
changeEnd = p4_last_change()
else:
changeEnd = int(parts[1])
return (changeStart, changeEnd)
def chooseBlockSize(blockSize):
if blockSize:
return blockSize
else:
return defaultBlockSize
def p4ChangesForPaths(depotPaths, changeRange, requestedBlockSize):
assert depotPaths
# Parse the change range into start and end. Try to find integer
# revision ranges as these can be broken up into blocks to avoid
# hitting server-side limits (maxrows, maxscanresults). But if
# that doesn't work, fall back to using the raw revision specifier
# strings, without using block mode.
if changeRange is None or changeRange == '':
changeStart = 1
changeEnd = p4_last_change()
block_size = chooseBlockSize(requestedBlockSize)
else:
parts = changeRange.split(',')
assert len(parts) == 2
try:
(changeStart, changeEnd) = p4ParseNumericChangeRange(parts)
block_size = chooseBlockSize(requestedBlockSize)
except:
changeStart = parts[0][1:]
changeEnd = parts[1]
if requestedBlockSize:
die("cannot use --changes-block-size with non-numeric revisions")
block_size = None
changes = []
# Retrieve changes a block at a time, to prevent running
# into a MaxResults/MaxScanRows error from the server.
while True:
cmd = ['changes']
if block_size:
end = min(changeEnd, changeStart + block_size)
revisionRange = "%d,%d" % (changeStart, end)
else:
revisionRange = "%s,%s" % (changeStart, changeEnd)
for p in depotPaths:
cmd += ["%s...@%s" % (p, revisionRange)]
# Insert changes in chronological order
for line in reversed(p4_read_pipe_lines(cmd)):
changes.append(int(line.split(" ")[1]))
if not block_size:
break
if end >= changeEnd:
break
changeStart = end + 1
changes = sorted(changes)
return changes
def p4PathStartsWith(path, prefix):
# This method tries to remedy a potential mixed-case issue:
#
# If UserA adds //depot/DirA/file1
# and UserB adds //depot/dira/file2
#
# we may or may not have a problem. If you have core.ignorecase=true,
# we treat DirA and dira as the same directory
if gitConfigBool("core.ignorecase"):
return path.lower().startswith(prefix.lower())
return path.startswith(prefix)
def getClientSpec():
"""Look at the p4 client spec, create a View() object that contains
all the mappings, and return it."""
specList = p4CmdList("client -o")
if len(specList) != 1:
die('Output from "client -o" is %d lines, expecting 1' %
len(specList))
# dictionary of all client parameters
entry = specList[0]
# the //client/ name
client_name = entry["Client"]
# 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(client_name)
# 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])
return view
def getClientRoot():
"""Grab the client directory."""
output = p4CmdList("client -o")
if len(output) != 1:
die('Output from "client -o" is %d lines, expecting 1' % len(output))
entry = output[0]
if "Root" not in entry:
die('Client has no "Root"')
return entry["Root"]
#
# P4 wildcards are not allowed in filenames. P4 complains
# if you simply add them, but you can force it with "-f", in
# which case it translates them into %xx encoding internally.
#
def wildcard_decode(path):
# Search for and fix just these four characters. Do % last so
# that fixing it does not inadvertently create new %-escapes.
# Cannot have * in a filename in windows; untested as to
# what p4 would do in such a case.
if not platform.system() == "Windows":
path = path.replace("%2A", "*")
path = path.replace("%23", "#") \
.replace("%40", "@") \
.replace("%25", "%")
return path
def wildcard_encode(path):
# do % first to avoid double-encoding the %s introduced here
path = path.replace("%", "%25") \
.replace("*", "%2A") \
.replace("#", "%23") \
.replace("@", "%40")
return path
def wildcard_present(path):
m = re.search("[*#@%]", path)
return m is not None
class LargeFileSystem(object):
"""Base class for large file system support."""
def __init__(self, writeToGitStream):
self.largeFiles = set()
self.writeToGitStream = writeToGitStream
def generatePointer(self, cloneDestination, contentFile):
"""Return the content of a pointer file that is stored in Git instead of
the actual content."""
assert False, "Method 'generatePointer' required in " + self.__class__.__name__
def pushFile(self, localLargeFile):
"""Push the actual content which is not stored in the Git repository to
a server."""
assert False, "Method 'pushFile' required in " + self.__class__.__name__
def hasLargeFileExtension(self, relPath):
return reduce(
lambda a, b: a or b,
[relPath.endswith('.' + e) for e in gitConfigList('git-p4.largeFileExtensions')],
False
)
def generateTempFile(self, contents):
contentFile = tempfile.NamedTemporaryFile(prefix='git-p4-large-file', delete=False)
for d in contents:
contentFile.write(d)
contentFile.close()
return contentFile.name
def exceedsLargeFileThreshold(self, relPath, contents):
if gitConfigInt('git-p4.largeFileThreshold'):
contentsSize = sum(len(d) for d in contents)
if contentsSize > gitConfigInt('git-p4.largeFileThreshold'):
return True
if gitConfigInt('git-p4.largeFileCompressedThreshold'):
contentsSize = sum(len(d) for d in contents)
if contentsSize <= gitConfigInt('git-p4.largeFileCompressedThreshold'):
return False
contentTempFile = self.generateTempFile(contents)
compressedContentFile = tempfile.NamedTemporaryFile(prefix='git-p4-large-file', delete=False)
zf = zipfile.ZipFile(compressedContentFile.name, mode='w')
zf.write(contentTempFile, compress_type=zipfile.ZIP_DEFLATED)
zf.close()
compressedContentsSize = zf.infolist()[0].compress_size
os.remove(contentTempFile)
os.remove(compressedContentFile.name)
if compressedContentsSize > gitConfigInt('git-p4.largeFileCompressedThreshold'):
return True
return False
def addLargeFile(self, relPath):
self.largeFiles.add(relPath)
def removeLargeFile(self, relPath):
self.largeFiles.remove(relPath)
def isLargeFile(self, relPath):
return relPath in self.largeFiles
def processContent(self, git_mode, relPath, contents):
"""Processes the content of git fast import. This method decides if a
file is stored in the large file system and handles all necessary
steps."""
if self.exceedsLargeFileThreshold(relPath, contents) or self.hasLargeFileExtension(relPath):
contentTempFile = self.generateTempFile(contents)
(git_mode, contents, localLargeFile) = self.generatePointer(contentTempFile)
# Move temp file to final location in large file system
largeFileDir = os.path.dirname(localLargeFile)
if not os.path.isdir(largeFileDir):
os.makedirs(largeFileDir)
shutil.move(contentTempFile, localLargeFile)
self.addLargeFile(relPath)
if gitConfigBool('git-p4.largeFilePush'):
self.pushFile(localLargeFile)
if verbose:
sys.stderr.write("%s moved to large file system (%s)\n" % (relPath, localLargeFile))
return (git_mode, contents)
class MockLFS(LargeFileSystem):
"""Mock large file system for testing."""
def generatePointer(self, contentFile):
"""The pointer content is the original content prefixed with "pointer-".
The local filename of the large file storage is derived from the file content.
"""
with open(contentFile, 'r') as f:
content = next(f)
gitMode = '100644'
pointerContents = 'pointer-' + content
localLargeFile = os.path.join(os.getcwd(), '.git', 'mock-storage', 'local', content[:-1])
return (gitMode, pointerContents, localLargeFile)
def pushFile(self, localLargeFile):
"""The remote filename of the large file storage is the same as the local
one but in a different directory.
"""
remotePath = os.path.join(os.path.dirname(localLargeFile), '..', 'remote')
if not os.path.exists(remotePath):
os.makedirs(remotePath)
shutil.copyfile(localLargeFile, os.path.join(remotePath, os.path.basename(localLargeFile)))
class GitLFS(LargeFileSystem):
"""Git LFS as backend for the git-p4 large file system.
See https://git-lfs.github.com/ for details."""
def __init__(self, *args):
LargeFileSystem.__init__(self, *args)
self.baseGitAttributes = []
def generatePointer(self, contentFile):
"""Generate a Git LFS pointer for the content. Return LFS Pointer file
mode and content which is stored in the Git repository instead of
the actual content. Return also the new location of the actual
content.
"""
pointerProcess = subprocess.Popen(
['git', 'lfs', 'pointer', '--file=' + contentFile],
stdout=subprocess.PIPE
)
pointerFile = pointerProcess.stdout.read()
if pointerProcess.wait():
os.remove(contentFile)
die('git-lfs pointer command failed. Did you install the extension?')
# Git LFS removed the preamble in the output of the 'pointer' command
# starting from version 1.2.0. Check for the preamble here to support
# earlier versions.
# c.f. https://github.com/github/git-lfs/commit/da2935d9a739592bc775c98d8ef4df9c72ea3b43
if pointerFile.startswith('Git LFS pointer for'):
pointerFile = re.sub(r'Git LFS pointer for.*\n\n', '', pointerFile)
oid = re.search(r'^oid \w+:(\w+)', pointerFile, re.MULTILINE).group(1)
localLargeFile = os.path.join(
os.getcwd(),
'.git', 'lfs', 'objects', oid[:2], oid[2:4],
oid,
)
# LFS Spec states that pointer files should not have the executable bit set.
gitMode = '100644'
return (gitMode, pointerFile, localLargeFile)
def pushFile(self, localLargeFile):
uploadProcess = subprocess.Popen(
['git', 'lfs', 'push', '--object-id', 'origin', os.path.basename(localLargeFile)]
)
if uploadProcess.wait():
die('git-lfs push command failed. Did you define a remote?')
def generateGitAttributes(self):
return (
self.baseGitAttributes +
[
'\n',
'#\n',
'# Git LFS (see https://git-lfs.github.com/)\n',
'#\n',
] +
['*.' + f.replace(' ', '[[:space:]]') + ' filter=lfs -text\n'
for f in sorted(gitConfigList('git-p4.largeFileExtensions'))
] +
['/' + f.replace(' ', '[[:space:]]') + ' filter=lfs -text\n'
for f in sorted(self.largeFiles) if not self.hasLargeFileExtension(f)
]
)
def addLargeFile(self, relPath):
LargeFileSystem.addLargeFile(self, relPath)
self.writeToGitStream('100644', '.gitattributes', self.generateGitAttributes())
def removeLargeFile(self, relPath):
LargeFileSystem.removeLargeFile(self, relPath)
self.writeToGitStream('100644', '.gitattributes', self.generateGitAttributes())
def processContent(self, git_mode, relPath, contents):
if relPath == '.gitattributes':
self.baseGitAttributes = contents
return (git_mode, self.generateGitAttributes())
else:
return LargeFileSystem.processContent(self, git_mode, relPath, contents)
class Command:
def __init__(self):
self.usage = "usage: %prog [options]"
self.needsGit = True
self.verbose = False
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"))
return home + "/.gitp4-usercache.txt"
def getUserMapFromPerforceServer(self):
if self.userMapFromPerforceServer:
return
self.users = {}
self.emails = {}
for output in p4CmdList("users"):
if not output.has_key("User"):
continue
self.users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
self.emails[output["Email"]] = output["User"]
mapUserConfigRegex = re.compile(r"^\s*(\S+)\s*=\s*(.+)\s*<(\S+)>\s*$", re.VERBOSE)
for mapUserConfig in gitConfigList("git-p4.mapUser"):
mapUser = mapUserConfigRegex.findall(mapUserConfig)
if mapUser and len(mapUser[0]) == 3:
user = mapUser[0][0]
fullname = mapUser[0][1]
email = mapUser[0][2]
self.users[user] = fullname + " <" + email + ">"
self.emails[email] = user
s = ''
for (key, val) in self.users.items():
s += "%s\t%s\n" % (key.expandtabs(1), val.expandtabs(1))
open(self.getUserCacheFilename(), "wb").write(s)
self.userMapFromPerforceServer = True
def loadUserMapFromCache(self):
self.users = {}
self.userMapFromPerforceServer = False
try:
cache = open(self.getUserCacheFilename(), "rb")
lines = cache.readlines()
cache.close()
for line in lines:
entry = line.strip().split("\t")
self.users[entry[0]] = entry[1]
except IOError:
self.getUserMapFromPerforceServer()
class P4Debug(Command):
def __init__(self):
Command.__init__(self)
self.options = []
self.description = "A tool to debug the output of p4 -G."
self.needsGit = False
def run(self, args):
j = 0
for output in p4CmdList(args):
print 'Element: %d' % j
j += 1
print output
return True
class P4RollBack(Command):
def __init__(self):
Command.__init__(self)
self.options = [
optparse.make_option("--local", dest="rollbackLocalBranches", action="store_true")
]
self.description = "A tool to debug the multi-branch import. Don't use :)"
self.rollbackLocalBranches = False
def run(self, args):
if len(args) != 1:
return False
maxChange = int(args[0])
if "p4ExitCode" in p4Cmd("changes -m 1"):
die("Problems executing p4");
if self.rollbackLocalBranches:
refPrefix = "refs/heads/"
lines = read_pipe_lines("git rev-parse --symbolic --branches")
else:
refPrefix = "refs/remotes/"
lines = read_pipe_lines("git rev-parse --symbolic --remotes")
for line in lines:
if self.rollbackLocalBranches or (line.startswith("p4/") and line != "p4/HEAD\n"):
line = line.strip()
ref = refPrefix + line
log = extractLogMessageFromGitCommit(ref)
settings = extractSettingsGitLog(log)
depotPaths = settings['depot-paths']
change = settings['change']
changed = False
if len(p4Cmd("changes -m 1 " + ' '.join (['%s...@%s' % (p, maxChange)
for p in depotPaths]))) == 0:
print "Branch %s did not exist at change %s, deleting." % (ref, maxChange)
system("git update-ref -d %s `git rev-parse %s`" % (ref, ref))
continue
while change and int(change) > maxChange:
changed = True
if self.verbose:
print "%s is at %s ; rewinding towards %s" % (ref, change, maxChange)
system("git update-ref %s \"%s^\"" % (ref, ref))
log = extractLogMessageFromGitCommit(ref)
settings = extractSettingsGitLog(log)
depotPaths = settings['depot-paths']
change = settings['change']
if changed:
print "%s rewound to %s" % (ref, change)
return True
class P4Submit(Command, P4UserMap):
conflict_behavior_choices = ("ask", "skip", "quit")
def __init__(self):
Command.__init__(self)
P4UserMap.__init__(self)
self.options = [
optparse.make_option("--origin", dest="origin"),
optparse.make_option("-M", dest="detectRenames", action="store_true"),
# preserve the user, requires relevant p4 permissions
optparse.make_option("--preserve-user", dest="preserveUser", action="store_true"),
optparse.make_option("--export-labels", dest="exportLabels", action="store_true"),
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),
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 = 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_move_command()
self.branch = None
if gitConfig('git-p4.largeFileSystem'):
die("Large file system not supported for git-p4 submit command. Please remove it from config.")
def check(self):
if len(p4CmdList("opened ...")) > 0:
die("You have files opened with perforce! Close them before starting the sync.")
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
for line in template.split("\n"):
if line.startswith("#"):
result += line + "\n"
continue
if inDescriptionSection:
if line.startswith("Files:") or line.startswith("Jobs:"):
inDescriptionSection = False
# insert Jobs section
if jobs:
result += jobs + "\n"
else:
continue
else:
if line.startswith("Description:"):
inDescriptionSection = True
line += "\n"
for messageLine in message.split("\n"):
line += "\t" + messageLine + "\n"
result += line + "\n"
return result
def patchRCSKeywords(self, file, pattern):
# Attempt to zap the RCS keywords in a p4 controlled file matching the given pattern
(handle, outFileName) = tempfile.mkstemp(dir='.')
try:
outFile = os.fdopen(handle, "w+")
inFile = open(file, "r")
regexp = re.compile(pattern, re.VERBOSE)
for line in inFile.readlines():
line = regexp.sub(r'$\1$', line)
outFile.write(line)
inFile.close()
outFile.close()
# Forcibly overwrite the original file
os.unlink(file)
shutil.move(outFileName, file)
except:
# cleanup our temporary file
os.unlink(outFileName)
print "Failed to strip RCS keywords in %s" % file
raise
print "Patched up RCS keywords in %s" % file
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", id])
gitEmail = gitEmail.strip()
if not self.emails.has_key(gitEmail):
return (None,gitEmail)
else:
return (self.emails[gitEmail],gitEmail)
def checkValidP4Users(self,commits):
# check if any git authors cannot be mapped to p4 users
for id in commits:
(user,email) = self.p4UserForCommit(id)
if not user:
msg = "Cannot find p4 user for email %s in commit %s." % (email, id)
if gitConfigBool("git-p4.allowMissingP4Users"):
print "%s" % msg
else:
die("Error: %s\nSet git-p4.allowMissingP4Users to true to allow this." % msg)
def lastP4Changelist(self):
# Get back the last changelist number submitted in this client spec. This
# then gets used to patch up the username in the change. If the same
# client spec is being used by multiple processes then this might go
# wrong.
results = p4CmdList("client -o") # find the current client
client = None
for r in results:
if r.has_key('Client'):
client = r['Client']
break
if not client:
die("could not get client spec")
results = p4CmdList(["changes", "-c", client, "-m", "1"])
for r in results:
if r.has_key('change'):
return r['change']
die("Could not get changelist number for last submit - cannot patch up user details")
def modifyChangelistUser(self, changelist, newUser):
# fixup the user field of a changelist after it has been submitted.
changes = p4CmdList("change -o %s" % changelist)
if len(changes) != 1:
die("Bad output from p4 change modifying %s to user %s" %
(changelist, newUser))
c = changes[0]
if c['User'] == newUser: return # nothing to do
c['User'] = newUser
input = marshal.dumps(c)
result = p4CmdList("change -f -i", stdin=input)
for r in result:
if r.has_key('code'):
if r['code'] == 'error':
die("Could not modify user field of changelist %s to %s:%s" % (changelist, newUser, r['data']))
if r.has_key('data'):
print("Updated user field for changelist %s to %s" % (changelist, newUser))
return
die("Could not modify user field of changelist %s to %s" % (changelist, newUser))
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", self.depotPath])
for r in results:
if r.has_key('perm'):
if r['perm'] == 'admin':
return 1
if r['perm'] == 'super':
return 1
return 0
def prepareSubmitTemplate(self):
"""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."""
[upstream, settings] = findUpstreamBranchPoint()
template = ""
inFilesSection = False
for line in p4_read_pipe_lines(['change', '-o']):
if line.endswith("\r\n"):
line = line[:-2] + "\n"
if inFilesSection:
if line.startswith("\t"):
# path starts and ends with a tab
path = line[1:]
lastTab = path.rfind("\t")
if lastTab != -1:
path = path[:lastTab]
if settings.has_key('depot-paths'):
if not [p for p in settings['depot-paths']
if p4PathStartsWith(path, p)]:
continue
else:
if not p4PathStartsWith(path, self.depotPath):
continue
else:
inFilesSection = False
else:
if line.startswith("Files:"):
inFilesSection = True
template += line
return template
def edit_template(self, template_file):
"""Invoke the editor to let the user change the submission
message. Return true if okay to continue with the submit."""
# if configured to skip the editing part, just submit
if gitConfigBool("git-p4.skipSubmitEdit"):
return True
# look at the modification time, to check later if the user saved
# the file
mtime = os.stat(template_file).st_mtime
# invoke the editor
if os.environ.has_key("P4EDITOR") and (os.environ.get("P4EDITOR") != ""):
editor = os.environ.get("P4EDITOR")
else:
editor = read_pipe("git var GIT_EDITOR").strip()
system(["sh", "-c", ('%s "$@"' % editor), editor, template_file])
# If the file was not saved, prompt to see if this patch should
# be skipped. But skip this verification step if configured so.
if gitConfigBool("git-p4.skipSubmitEditCheck"):
return True
# modification time updated means user saved the file
if os.stat(template_file).st_mtime > mtime:
return True
while True:
response = raw_input("Submit template unchanged. Submit anyway? [y]es, [n]o (skip this patch) ")
if response == 'y':
return True
if response == 'n':
return False
def get_diff_description(self, editedFiles, filesToAdd):
# diff
if os.environ.has_key("P4DIFF"):
del(os.environ["P4DIFF"])
diff = ""
for editedFile in editedFiles:
diff += p4_read_pipe(['diff', '-du',
wildcard_encode(editedFile)])
# new file diff
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()
return (diff + newdiff).replace('\r\n', '\n')
def applyCommit(self, id):
"""Apply one commit, return True if it succeeded."""
print "Applying", read_pipe(["git", "show", "-s",
"--format=format:%h %s", id])
(p4User, gitEmail) = self.p4UserForCommit(id)
diff = read_pipe_lines("git diff-tree -r %s \"%s^\" \"%s\"" % (self.diffOpts, id, id))
filesToAdd = set()
filesToChangeType = set()
filesToDelete = set()
editedFiles = set()
pureRenameCopy = set()
filesToChangeExecBit = {}
for line in diff:
diff = parseDiffTreeEntry(line)
modifier = diff['status']
path = diff['src']
if modifier == "M":
p4_edit(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 == "C":
src, dest = diff['src'], diff['dst']
p4_integrate(src, dest)
pureRenameCopy.add(dest)
if diff['src_sha1'] != diff['dst_sha1']:
p4_edit(dest)
pureRenameCopy.discard(dest)
if isModeExecChanged(diff['src_mode'], diff['dst_mode']):
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":
src, dest = diff['src'], diff['dst']
if self.p4HasMoveCommand:
p4_edit(src) # src must be open before move
p4_move(src, dest) # opens for (move/delete, move/add)
else:
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']):
if not self.p4HasMoveCommand:
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)
elif modifier == "T":
filesToChangeType.add(path)
else:
die("unknown modifier %s for %s" % (modifier, path))
diffcmd = "git diff-tree --full-index -p \"%s\"" % (id)
patchcmd = diffcmd + " | git apply "
tryPatchCmd = patchcmd + "--check -"
applyPatchCmd = patchcmd + "--check --apply -"
patch_succeeded = True
if os.system(tryPatchCmd) != 0:
fixed_rcs_keywords = False
patch_succeeded = False
print "Unfortunately applying the change failed!"
# Patch failed, maybe it's just RCS keyword woes. Look through
# the patch to see if that's possible.
if gitConfigBool("git-p4.attemptRCSCleanup"):
file = None
pattern = None
kwfiles = {}
for file in editedFiles | filesToDelete:
# did this file's delta contain RCS keywords?
pattern = p4_keywords_regexp_for_file(file)
if pattern:
# this file is a possibility...look for RCS keywords.
regexp = re.compile(pattern, re.VERBOSE)
for line in read_pipe_lines(["git", "diff", "%s^..%s" % (id, id), file]):
if regexp.search(line):
if verbose:
print "got keyword match on %s in %s in %s" % (pattern, line, file)
kwfiles[file] = pattern
break
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
if fixed_rcs_keywords:
print "Retrying the patch with RCS keywords cleaned up"
if os.system(tryPatchCmd) == 0:
patch_succeeded = True
if not patch_succeeded:
for f in editedFiles:
p4_revert(f)
return False
#
# Apply the patch for real, and do add/delete/+x handling.
#
system(applyPatchCmd)
for f in filesToChangeType:
p4_edit(f, "-t", "auto")
for f in filesToAdd:
p4_add(f)
for f in filesToDelete:
p4_revert(f)
p4_delete(f)
# Set/clear executable bits
for f in filesToChangeExecBit.keys():
mode = filesToChangeExecBit[f]
setP4ExecBit(f, mode)
#
# Build p4 change description, starting with the contents
# of the git commit message.
#
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.preserveUser:
submitTemplate += "\n######## Actual user %s, modified after commit\n" % p4User
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"
if not self.prepare_p4_only:
submitTemplate += separatorLine
submitTemplate += self.get_diff_description(editedFiles, filesToAdd)
(handle, fileName) = tempfile.mkstemp()
tmpFile = os.fdopen(handle, "w+b")
if self.isWindows:
submitTemplate = submitTemplate.replace("\n", "\r\n")
tmpFile.write(submitTemplate)
tmpFile.close()
if self.prepare_p4_only:
#
# Leave the p4 tree prepared, and the submit template around
# and let the user decide what to do next
#
print
print "P4 workspace prepared for submission."
print "To submit or revert, go to client workspace"
print " " + self.clientPath
print
print "To submit, use \"p4 submit\" to write a new description,"
print "or \"p4 submit -i <%s\" to use the one prepared by" \
" \"git p4\"." % fileName
print "You can delete the file \"%s\" when finished." % fileName
if self.preserveUser and p4User and not self.p4UserIsMe(p4User):
print "To preserve change ownership by user %s, you must\n" \
"do \"p4 change -f <change>\" after submitting and\n" \
"edit the User field."
if pureRenameCopy:
print "After submitting, renamed files must be re-synced."
print "Invoke \"p4 sync -f\" on each of these files:"
for f in pureRenameCopy:
print " " + f
print
print "To revert the changes, use \"p4 revert ...\", and delete"
print "the submit template file \"%s\"" % fileName
if filesToAdd:
print "Since the commit adds new files, they must be deleted:"
for f in filesToAdd:
print " " + f
print
return True
#
# Let the user edit the change description, then submit it.
#
submitted = False
try:
if self.edit_template(fileName):
# read the edited message and submit
tmpFile = open(fileName, "rb")
message = tmpFile.read()
tmpFile.close()
if self.isWindows:
message = message.replace("\r\n", "\n")
submitTemplate = message[:message.index(separatorLine)]
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")
submitted = True
finally:
# skip this patch
if not submitted:
print "Submission cancelled, undoing p4 changes."
for f in editedFiles:
p4_revert(f)
for f in filesToAdd:
p4_revert(f)
os.remove(f)
for f in filesToDelete:
p4_revert(f)
os.remove(fileName)
return submitted
# Export git tags as p4 labels. Create a p4 label and then tag
# with that.
def exportGitTags(self, gitTags):
validLabelRegexp = gitConfig("git-p4.labelExportRegexp")
if len(validLabelRegexp) == 0:
validLabelRegexp = defaultLabelRegexp
m = re.compile(validLabelRegexp)
for name in gitTags:
if not m.match(name):
if verbose:
print "tag %s does not match regexp %s" % (name, validLabelRegexp)
continue
# Get the p4 commit this corresponds to
logMessage = extractLogMessageFromGitCommit(name)
values = extractSettingsGitLog(logMessage)
if not values.has_key('change'):
# a tag pointing to something not sent to p4; ignore
if verbose:
print "git tag %s does not give a p4 commit" % name
continue
else:
changelist = values['change']
# Get the tag details.
inHeader = True
isAnnotated = False
body = []
for l in read_pipe_lines(["git", "cat-file", "-p", name]):
l = l.strip()
if inHeader:
if re.match(r'tag\s+', l):
isAnnotated = True
elif re.match(r'\s*$', l):
inHeader = False
continue
else:
body.append(l)
if not isAnnotated:
body = ["lightweight tag imported by git p4\n"]
# Create the label - use the same view as the client spec we are using
clientSpec = getClientSpec()
labelTemplate = "Label: %s\n" % name
labelTemplate += "Description:\n"
for b in body:
labelTemplate += "\t" + b + "\n"
labelTemplate += "View:\n"
for depot_side in clientSpec.mappings:
labelTemplate += "\t%s\n" % depot_side
if self.dry_run:
print "Would create p4 label %s for tag" % name
elif self.prepare_p4_only:
print "Not creating p4 label %s for tag due to option" \
" --prepare-p4-only" % name
else:
p4_write_pipe(["label", "-i"], labelTemplate)
# Use the label
p4_system(["tag", "-l", name] +
["%s@%s" % (depot_side, changelist) for depot_side in clientSpec.mappings])
if verbose:
print "created p4 label for tag %s" % name
def run(self, args):
if len(args) == 0:
self.master = currentGitBranch()
elif len(args) == 1:
self.master = args[0]
if not branchExists(self.master):
die("Branch %s does not exist" % self.master)
else:
return False
if self.master:
allowSubmit = gitConfig("git-p4.allowSubmit")
if