#!/usr/bin/env python # # git-p4.py -- A tool for bidirectional operation between a Perforce depot and git. # # Author: Simon Hausmann # Copyright: 2007 Simon Hausmann # 2007 Trolltech ASA # License: MIT # # pylint: disable=invalid-name,missing-docstring,too-many-arguments,broad-except # pylint: disable=no-self-use,wrong-import-position,consider-iterating-dictionary # pylint: disable=wrong-import-order,unused-import,too-few-public-methods # pylint: disable=too-many-lines,ungrouped-imports,fixme,too-many-locals # pylint: disable=line-too-long,bad-whitespace,superfluous-parens # pylint: disable=too-many-statements,too-many-instance-attributes # pylint: disable=too-many-branches,too-many-nested-blocks # import sys if sys.version_info.major < 3 and sys.version_info.minor < 7: sys.stderr.write("git-p4: requires Python 2.7 or later.\n") sys.exit(1) import os import optparse import functools import marshal import subprocess import tempfile import time import platform import re import shutil import stat import zipfile import zlib import ctypes import errno import glob # On python2.7 where raw_input() and input() are both availble, # we want raw_input's semantics, but aliased to input for python3 # compatibility # support basestring in python3 try: if raw_input and input: input = raw_input except: pass verbose = False # Only labels/tags matching this will be imported/exported defaultLabelRegexp = r'[a-zA-Z0-9_\-.]+$' # The block size is reduced automatically if required defaultBlockSize = 1<<20 p4_access_checked = False 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] retries = gitConfigInt("git-p4.retries") if retries is None: # Perform 3 retries by default retries = 3 if retries > 0: # Provide a way to not pass this option by setting git-p4.retries to 0 real_cmd += ["-r", str(retries)] if not isinstance(cmd, list): real_cmd = ' '.join(real_cmd) + ' ' + cmd else: real_cmd += cmd # now check that we can actually talk to the server global p4_access_checked if not p4_access_checked: p4_access_checked = True # suppress access checks in p4_check_access itself p4_check_access() return real_cmd def git_dir(path): """ Return TRUE if the given path is a git directory (/path/to/dir/.git). This won't automatically add ".git" to a directory. """ d = read_pipe(["git", "--git-dir", path, "rev-parse", "--git-dir"], True).strip() if not d or len(d) == 0: return None else: return d 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): """ Terminate execution. Make sure that any running child processes have been wait()ed for before calling this. """ if verbose: raise Exception(msg) else: sys.stderr.write(msg + "\n") sys.exit(1) def prompt(prompt_text): """ Prompt the user to choose one of the choices Choices are identified in the prompt_text by square brackets around a single letter option. """ choices = set(m.group(1) for m in re.finditer(r"\[(.)\]", prompt_text)) while True: sys.stderr.flush() sys.stdout.write(prompt_text) sys.stdout.flush() response=sys.stdin.readline().strip().lower() if not response: continue response = response[0] if response in choices: return response # We need different encoding/decoding strategies for text data being passed # around in pipes depending on python version if bytes is not str: # For python3, always encode and decode as appropriate def decode_text_stream(s): return s.decode() if isinstance(s, bytes) else s def encode_text_stream(s): return s.encode() if isinstance(s, str) else s else: # For python2.7, pass read strings as-is, but also allow writing unicode def decode_text_stream(s): return s def encode_text_stream(s): return s.encode('utf_8') if isinstance(s, unicode) else s def decode_path(path): """Decode a given string (bytes or otherwise) using configured path encoding options """ encoding = gitConfig('git-p4.pathEncoding') or 'utf_8' if bytes is not str: return path.decode(encoding, errors='replace') if isinstance(path, bytes) else path else: try: path.decode('ascii') except: path = path.decode(encoding, errors='replace') if verbose: print('Path with non-ASCII characters detected. Used {} to decode: {}'.format(encoding, path)) return path def run_git_hook(cmd, param=[]): """Execute a hook if the hook exists.""" if verbose: sys.stderr.write("Looking for hook: %s\n" % cmd) sys.stderr.flush() hooks_path = gitConfig("core.hooksPath") if len(hooks_path) <= 0: hooks_path = os.path.join(os.environ["GIT_DIR"], "hooks") if not isinstance(param, list): param=[param] # resolve hook file name, OS depdenent hook_file = os.path.join(hooks_path, cmd) if platform.system() == 'Windows': if not os.path.isfile(hook_file): # look for the file with an extension files = glob.glob(hook_file + ".*") if not files: return True files.sort() hook_file = files.pop() while hook_file.upper().endswith(".SAMPLE"): # The file is a sample hook. We don't want it if len(files) > 0: hook_file = files.pop() else: return True if not os.path.isfile(hook_file) or not os.access(hook_file, os.X_OK): return True return run_hook_command(hook_file, param) == 0 def run_hook_command(cmd, param): """Executes a git hook command cmd = the command line file to be executed. This can be a file that is run by OS association. param = a list of parameters to pass to the cmd command On windows, the extension is checked to see if it should be run with the Git for Windows Bash shell. If there is no file extension, the file is deemed a bash shell and will be handed off to sh.exe. Otherwise, Windows will be called with the shell to handle the file assocation. For non Windows operating systems, the file is called as an executable. """ cli = [cmd] + param use_shell = False if platform.system() == 'Windows': (root,ext) = os.path.splitext(cmd) if ext == "": exe_path = os.environ.get("EXEPATH") if exe_path is None: exe_path = "" else: exe_path = os.path.join(exe_path, "bin") cli = [os.path.join(exe_path, "SH.EXE")] + cli else: use_shell = True return subprocess.call(cli, shell=use_shell) def write_pipe(c, stdin): if verbose: sys.stderr.write('Writing pipe: %s\n' % str(c)) expand = not isinstance(c, list) 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) if bytes is not str and isinstance(stdin, str): stdin = encode_text_stream(stdin) return write_pipe(real_cmd, stdin) def read_pipe_full(c): """ Read output from command. Returns a tuple of the return status, stdout text and stderr text. """ if verbose: sys.stderr.write('Reading pipe: %s\n' % str(c)) expand = not isinstance(c, list) p = subprocess.Popen(c, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=expand) (out, err) = p.communicate() return (p.returncode, out, decode_text_stream(err)) def read_pipe(c, ignore_error=False, raw=False): """ Read output from command. Returns the output text on success. On failure, terminates execution, unless ignore_error is True, when it returns an empty string. If raw is True, do not attempt to decode output text. """ (retcode, out, err) = read_pipe_full(c) if retcode != 0: if ignore_error: out = "" else: die('Command failed: %s\nError: %s' % (str(c), err)) if not raw: out = decode_text_stream(out) return out def read_pipe_text(c): """ Read output from a command with trailing whitespace stripped. On error, returns None. """ (retcode, out, err) = read_pipe_full(c) if retcode != 0: return None else: return decode_text_stream(out).rstrip() def p4_read_pipe(c, ignore_error=False, raw=False): real_cmd = p4_build_cmd(c) return read_pipe(real_cmd, ignore_error, raw=raw) def read_pipe_lines(c): if verbose: sys.stderr.write('Reading pipe: %s\n' % str(c)) expand = not isinstance(c, list) p = subprocess.Popen(c, stdout=subprocess.PIPE, shell=expand) pipe = p.stdout val = [decode_text_stream(line) for line in 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() err = decode_text_stream(err) # 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 = not isinstance(cmd, list) 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 = not isinstance(real_cmd, list) retcode = subprocess.call(real_cmd, shell=expand) if retcode: raise CalledProcessError(retcode, real_cmd) def die_bad_access(s): die("failure accessing depot: {0}".format(s.rstrip())) def p4_check_access(min_expiration=1): """ Check if we can access Perforce - account still logged in """ results = p4CmdList(["login", "-s"]) if len(results) == 0: # should never get here: always get either some results, or a p4ExitCode assert("could not parse response from perforce") result = results[0] if 'p4ExitCode' in result: # p4 returned non-zero status, e.g. P4PORT invalid, or p4 not in path die_bad_access("could not run p4") code = result.get("code") if not code: # we get here if we couldn't connect and there was nothing to unmarshal die_bad_access("could not connect") elif code == "stat": expiry = result.get("TicketExpiration") if expiry: expiry = int(expiry) if expiry > min_expiration: # ok to carry on return else: die_bad_access("perforce ticket expires in {0} seconds".format(expiry)) else: # account without a timeout - all ok return elif code == "error": data = result.get("data") if data: die_bad_access("p4 error: {0}".format(data)) else: die_bad_access("unknown error") elif code == "info": return else: die_bad_access("unknown error code {0}".format(code)) _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_reopen_in_change(changelist, files): cmd = ["reopen", "-c", str(changelist)] + files p4_system(cmd) def p4_move(src, dest): p4_system(["move", "-k", wildcard_encode(src), wildcard_encode(dest)]) def p4_last_change(): results = p4CmdList(["changes", "-m", "1"], skip_info=True) return int(results[0]['change']) def p4_describe(change, shelved=False): """Make sure it returns a valid result by checking for the presence of field "time". Return a dict of the results.""" cmd = ["describe", "-s"] if shelved: cmd += ["-S"] cmd += [str(change)] ds = p4CmdList(cmd, skip_info=True) 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?$", result) if match: return match.group(1) else: die("Could not determine file type for %s (result: '%s')" % (file, result)) # Return the set of all p4 labels def getP4Labels(depotPaths): labels = set() if not isinstance(depotPaths, list): depotPaths = [depotPaths] for l in p4CmdList(["labels"] + ["%s..." % p for p in depotPaths]): label = l['label'] labels.add(label) return labels # Return the set of all git tags def getGitTags(): gitTags = set() for line in read_pipe_lines(["git", "tag"]): tag = line.strip() gitTags.add(tag) return gitTags _diff_tree_pattern = None def parseDiffTreeEntry(entry): """Parses a single diff tree entry into its component elements. See git-diff-tree(1) manpage for details about the format of the diff output. This method returns a dictionary with the following elements: src_mode - The mode of the source file dst_mode - The mode of the destination file src_sha1 - The sha1 for the source file dst_sha1 - The sha1 fr the destination file status - The one letter status of the diff (i.e. 'A', 'M', 'D', etc) status_score - The score for the status (applicable for 'C' and 'R' statuses). This is None if there is no score. src - The path for the source file. dst - The path for the destination file. This is only present for copy or renames. If it is not present, this is None. If the pattern is not matched, None is returned.""" global _diff_tree_pattern if not _diff_tree_pattern: _diff_tree_pattern = re.compile(':(\d+) (\d+) (\w+) (\w+) ([A-Z])(\d+)?\t(.*?)((\t(.*))|$)') match = _diff_tree_pattern.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" class P4Exception(Exception): """ Base class for exceptions from the p4 client """ def __init__(self, exit_code): self.p4ExitCode = exit_code class P4ServerException(P4Exception): """ Base class for exceptions where we get some kind of marshalled up result from the server """ def __init__(self, exit_code, p4_result): super(P4ServerException, self).__init__(exit_code) self.p4_result = p4_result self.code = p4_result[0]['code'] self.data = p4_result[0]['data'] class P4RequestSizeException(P4ServerException): """ One of the maxresults or maxscanrows errors """ def __init__(self, exit_code, p4_result, limit): super(P4RequestSizeException, self).__init__(exit_code, p4_result) self.limit = limit class P4CommandException(P4Exception): """ Something went wrong calling p4 which means we have to give up """ def __init__(self, msg): self.msg = msg def __str__(self): return self.msg def isModeExecChanged(src_mode, dst_mode): return isModeExec(src_mode) != isModeExec(dst_mode) def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None, skip_info=False, errors_as_exceptions=False): if not isinstance(cmd, list): 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 not isinstance(stdin, list): stdin_file.write(stdin) else: for i in stdin: stdin_file.write(encode_text_stream(i)) stdin_file.write(b'\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 bytes is not str: # Decode unmarshalled dict to use str keys and values, except for: # - `data` which may contain arbitrary binary data # - `depotFile[0-9]*`, `path`, or `clientFile` which may contain non-UTF8 encoded text decoded_entry = {} for key, value in entry.items(): key = key.decode() if isinstance(value, bytes) and not (key in ('data', 'path', 'clientFile') or key.startswith('depotFile')): value = value.decode() decoded_entry[key] = value # Parse out data if it's an error response if decoded_entry.get('code') == 'error' and 'data' in decoded_entry: decoded_entry['data'] = decoded_entry['data'].decode() entry = decoded_entry if skip_info: if 'code' in entry and entry['code'] == 'info': continue if cb is not None: cb(entry) else: result.append(entry) except EOFError: pass exitCode = p4.wait() if exitCode != 0: if errors_as_exceptions: if len(result) > 0: data = result[0].get('data') if data: m = re.search('Too many rows scanned \(over (\d+)\)', data) if not m: m = re.search('Request too large \(over (\d+)\)', data) if m: limit = int(m.group(1)) raise P4RequestSizeException(exitCode, result, limit) raise P4ServerException(exitCode, result) else: raise P4Exception(exitCode) else: 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 "/...". entry_path = decode_path(entry['depotFile']) if entry_path.find(depotPath) == 0 and entry_path[-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 = decode_path(output['path']) elif "data" in output: data = output.get("data") lastSpace = data.rfind(b" ") clientPath = decode_path(data[lastSpace + 1:]) if clientPath.endswith("..."): clientPath = clientPath[:-3] return clientPath def currentGitBranch(): return read_pipe_text(["git", "symbolic-ref", "--short", "-q", "HEAD"]) def isValidGitDir(path): return git_dir(path) != None 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", 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; def gitUpdateRef(ref, newvalue): subprocess.check_call(["git", "update-ref", ref, newvalue]) def gitDeleteRef(ref): subprocess.check_call(["git", "update-ref", "-d", ref]) _gitConfig = {} def gitConfig(key, typeSpecifier=None): if key not in _gitConfig: 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 key not in _gitConfig: _gitConfig[key] = gitConfig(key, '--bool') == "true" return _gitConfig[key] def gitConfigInt(key): if key not in _gitConfig: 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 key not in _gitConfig: s = read_pipe(["git", "config", "--get-all", key], ignore_error=True) _gitConfig[key] = s.strip().splitlines() 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() out = decode_text_stream(out) 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 "depot-paths" in settings: 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 "depot-paths" in settings: paths = ",".join(settings["depot-paths"]) if paths in branchByDepotPath: 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 ('depot-paths' not in original or 'change' not in original): continue update = False if not gitBranchExists(remoteHead): if verbose: print("creating %s" % remoteHead) update = True else: settings = extractSettingsGitLog(extractLogMessageFromGitCommit(remoteHead)) if 'change' in settings: 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 ValueError: changeStart = parts[0][1:] changeEnd = parts[1] if requestedBlockSize: die("cannot use --changes-block-size with non-numeric revisions") block_size = None changes = set() # Retrieve changes a block at a time, to prevent running # into a MaxResults/MaxScanRows error from the server. If # we _do_ hit one of those errors, turn down the block size 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)] # fetch the changes try: result = p4CmdList(cmd, errors_as_exceptions=True) except P4RequestSizeException as e: if not block_size: block_size = e.limit elif block_size > e.limit: block_size = e.limit else: block_size = max(2, block_size // 2) if verbose: print("block size error, retrying with block size {0}".format(block_size)) continue except P4Exception as e: die('Error retrieving changes description ({0})'.format(e.p4ExitCode)) # Insert changes in chronological order for entry in reversed(result): if 'change' not in entry: continue changes.add(int(entry['change'])) 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 functools.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=True) with zipfile.ZipFile(compressedContentFile, mode='w') as zf: zf.write(contentTempFile, compress_type=zipfile.ZIP_DEFLATED) compressedContentsSize = zf.infolist()[0].compress_size os.remove(contentTempFile) 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) (pointer_git_mode, contents, localLargeFile) = self.generatePointer(contentTempFile) if pointer_git_mode: git_mode = pointer_git_mode if localLargeFile: # 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. """ if os.path.getsize(contentFile) == 0: return (None, '', None) pointerProcess = subprocess.Popen( ['git', 'lfs', 'pointer', '--file=' + contentFile], stdout=subprocess.PIPE ) pointerFile = decode_text_stream(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) # if someone use external lfs.storage ( not in local repo git ) lfs_path = gitConfig('lfs.storage') if not lfs_path: lfs_path = 'lfs' if not os.path.isabs(lfs_path): lfs_path = os.path.join(os.getcwd(), '.git', lfs_path) localLargeFile = os.path.join( lfs_path, '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 diff=lfs merge=lfs -text\n' for f in sorted(gitConfigList('git-p4.largeFileExtensions')) ] + ['/' + f.replace(' ', '[[:space:]]') + ' filter=lfs diff=lfs merge=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: delete_actions = ( "delete", "move/delete", "purge" ) add_actions = ( "add", "branch", "move/add" ) def __init__(self): self.usage = "usage: %prog [options]" self.needsGit = True self.verbose = False # This is required for the "append" update_shelve action def ensure_value(self, attr, value): if not hasattr(self, attr) or getattr(self, attr) is None: setattr(self, attr, value) return getattr(self, attr) 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 'User' in r: 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 "User" not in output: 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(), 'w').write(s) self.userMapFromPerforceServer = True def loadUserMapFromCache(self): self.users = {} self.userMapFromPerforceServer = False try: cache = open(self.getUserCacheFilename(), 'r') 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"), optparse.make_option("--shelve", dest="shelve", action="store_true", help="Shelve instead of submit. Shelved files are reverted, " "restoring the workspace to the state before the shelve"), optparse.make_option("--update-shelve", dest="update_shelve", action="append", type="int", metavar="CHANGELIST", help="update an existing shelved changelist, implies --shelve, " "repeat in-order for multiple shelved changelists"), optparse.make_option("--commit", dest="commit", metavar="COMMIT", help="submit only the specified commit(s), one commit or xxx..xxx"), optparse.make_option("--disable-rebase", dest="disable_rebase", action="store_true", help="Disable rebase after submit is completed. Can be useful if you " "work from a local git branch that is not master"), optparse.make_option("--disable-p4sync", dest="disable_p4sync", action="store_true", help="Skip Perforce sync of p4/master after submit or shelve"), optparse.make_option("--no-verify", dest="no_verify", action="store_true", help="Bypass p4-pre-submit and p4-changelist hooks"), ] self.description = """Submit changes from git to the perforce depot.\n The `p4-pre-submit` hook is executed if it exists and is executable. It can be bypassed with the `--no-verify` command line option. The hook takes no parameters and nothing from standard input. Exiting with a non-zero status from this script prevents `git-p4 submit` from launching. One usage scenario is to run unit tests in the hook. The `p4-prepare-changelist` hook is executed right after preparing the default changelist message and before the editor is started. It takes one parameter, the name of the file that contains the changelist text. Exiting with a non-zero status from the script will abort the process. The purpose of the hook is to edit the message file in place, and it is not supressed by the `--no-verify` option. This hook is called even if `--prepare-p4-only` is set. The `p4-changelist` hook is executed after the changelist message has been edited by the user. It can be bypassed with the `--no-verify` option. It takes a single parameter, the name of the file that holds the proposed changelist text. Exiting with a non-zero status causes the command to abort. The hook is allowed to edit the changelist file and can be used to normalize the text into some project standard format. It can also be used to refuse the Submit after inspect the message file. The `p4-post-changelist` hook is invoked after the submit has successfully occured in P4. It takes no parameters and is meant primarily for notification and cannot affect the outcome of the git p4 submit action. """ 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.shelve = False self.update_shelve = list() self.commit = "" self.disable_rebase = gitConfigBool("git-p4.disableRebase") self.disable_p4sync = gitConfigBool("git-p4.disableP4Sync") 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 self.no_verify = False 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 gitEmail not in self.emails: 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 'Client' in r: 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 'change' in r: 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 modi