| #!/usr/bin/env python |
| # |
| # This tool is copyright (c) 2006, Sean Estabrooks. |
| # It is released under the Gnu Public License, version 2. |
| # |
| # Import Perforce branches into Git repositories. |
| # Checking out the files is done by calling the standard p4 |
| # client which you must have properly configured yourself |
| # |
| |
| import marshal |
| import os |
| import sys |
| import time |
| import getopt |
| |
| from signal import signal, \ |
| SIGPIPE, SIGINT, SIG_DFL, \ |
| default_int_handler |
| |
| signal(SIGPIPE, SIG_DFL) |
| s = signal(SIGINT, SIG_DFL) |
| if s != default_int_handler: |
| signal(SIGINT, s) |
| |
| def die(msg, *args): |
| for a in args: |
| msg = "%s %s" % (msg, a) |
| print "git-p4import fatal error:", msg |
| sys.exit(1) |
| |
| def usage(): |
| print "USAGE: git-p4import [-q|-v] [--authors=<file>] [-t <timezone>] [//p4repo/path <branch>]" |
| sys.exit(1) |
| |
| verbosity = 1 |
| logfile = "/dev/null" |
| ignore_warnings = False |
| stitch = 0 |
| tagall = True |
| |
| def report(level, msg, *args): |
| global verbosity |
| global logfile |
| for a in args: |
| msg = "%s %s" % (msg, a) |
| fd = open(logfile, "a") |
| fd.writelines(msg) |
| fd.close() |
| if level <= verbosity: |
| print msg |
| |
| class p4_command: |
| def __init__(self, _repopath): |
| try: |
| global logfile |
| self.userlist = {} |
| if _repopath[-1] == '/': |
| self.repopath = _repopath[:-1] |
| else: |
| self.repopath = _repopath |
| if self.repopath[-4:] != "/...": |
| self.repopath= "%s/..." % self.repopath |
| f=os.popen('p4 -V 2>>%s'%logfile, 'rb') |
| a = f.readlines() |
| if f.close(): |
| raise |
| except: |
| die("Could not find the \"p4\" command") |
| |
| def p4(self, cmd, *args): |
| global logfile |
| cmd = "%s %s" % (cmd, ' '.join(args)) |
| report(2, "P4:", cmd) |
| f=os.popen('p4 -G %s 2>>%s' % (cmd,logfile), 'rb') |
| list = [] |
| while 1: |
| try: |
| list.append(marshal.load(f)) |
| except EOFError: |
| break |
| self.ret = f.close() |
| return list |
| |
| def sync(self, id, force=False, trick=False, test=False): |
| if force: |
| ret = self.p4("sync -f %s@%s"%(self.repopath, id))[0] |
| elif trick: |
| ret = self.p4("sync -k %s@%s"%(self.repopath, id))[0] |
| elif test: |
| ret = self.p4("sync -n %s@%s"%(self.repopath, id))[0] |
| else: |
| ret = self.p4("sync %s@%s"%(self.repopath, id))[0] |
| if ret['code'] == "error": |
| data = ret['data'].upper() |
| if data.find('VIEW') > 0: |
| die("Perforce reports %s is not in client view"% self.repopath) |
| elif data.find('UP-TO-DATE') < 0: |
| die("Could not sync files from perforce", self.repopath) |
| |
| def changes(self, since=0): |
| try: |
| list = [] |
| for rec in self.p4("changes %s@%s,#head" % (self.repopath, since+1)): |
| list.append(rec['change']) |
| list.reverse() |
| return list |
| except: |
| return [] |
| |
| def authors(self, filename): |
| f=open(filename) |
| for l in f.readlines(): |
| self.userlist[l[:l.find('=')].rstrip()] = \ |
| (l[l.find('=')+1:l.find('<')].rstrip(),l[l.find('<')+1:l.find('>')]) |
| f.close() |
| for f,e in self.userlist.items(): |
| report(2, f, ":", e[0], " <", e[1], ">") |
| |
| def _get_user(self, id): |
| if not self.userlist.has_key(id): |
| try: |
| user = self.p4("users", id)[0] |
| self.userlist[id] = (user['FullName'], user['Email']) |
| except: |
| self.userlist[id] = (id, "") |
| return self.userlist[id] |
| |
| def _format_date(self, ticks): |
| symbol='+' |
| name = time.tzname[0] |
| offset = time.timezone |
| if ticks[8]: |
| name = time.tzname[1] |
| offset = time.altzone |
| if offset < 0: |
| offset *= -1 |
| symbol = '-' |
| localo = "%s%02d%02d %s" % (symbol, offset / 3600, offset % 3600, name) |
| tickso = time.strftime("%a %b %d %H:%M:%S %Y", ticks) |
| return "%s %s" % (tickso, localo) |
| |
| def where(self): |
| try: |
| return self.p4("where %s" % self.repopath)[-1]['path'] |
| except: |
| return "" |
| |
| def describe(self, num): |
| desc = self.p4("describe -s", num)[0] |
| self.msg = desc['desc'] |
| self.author, self.email = self._get_user(desc['user']) |
| self.date = self._format_date(time.localtime(long(desc['time']))) |
| return self |
| |
| class git_command: |
| def __init__(self): |
| try: |
| self.version = self.git("--version")[0][12:].rstrip() |
| except: |
| die("Could not find the \"git\" command") |
| try: |
| self.gitdir = self.get_single("rev-parse --git-dir") |
| report(2, "gdir:", self.gitdir) |
| except: |
| die("Not a git repository... did you forget to \"git init\" ?") |
| try: |
| self.cdup = self.get_single("rev-parse --show-cdup") |
| if self.cdup != "": |
| os.chdir(self.cdup) |
| self.topdir = os.getcwd() |
| report(2, "topdir:", self.topdir) |
| except: |
| die("Could not find top git directory") |
| |
| def git(self, cmd): |
| global logfile |
| report(2, "GIT:", cmd) |
| f=os.popen('git %s 2>>%s' % (cmd,logfile), 'rb') |
| r=f.readlines() |
| self.ret = f.close() |
| return r |
| |
| def get_single(self, cmd): |
| return self.git(cmd)[0].rstrip() |
| |
| def current_branch(self): |
| try: |
| testit = self.git("rev-parse --verify HEAD")[0] |
| return self.git("symbolic-ref HEAD")[0][11:].rstrip() |
| except: |
| return None |
| |
| def get_config(self, variable): |
| try: |
| return self.git("config --get %s" % variable)[0].rstrip() |
| except: |
| return None |
| |
| def set_config(self, variable, value): |
| try: |
| self.git("config %s %s"%(variable, value) ) |
| except: |
| die("Could not set %s to " % variable, value) |
| |
| def make_tag(self, name, head): |
| self.git("tag -f %s %s"%(name,head)) |
| |
| def top_change(self, branch): |
| try: |
| a=self.get_single("name-rev --tags refs/heads/%s" % branch) |
| loc = a.find(' tags/') + 6 |
| if a[loc:loc+3] != "p4/": |
| raise |
| return int(a[loc+3:][:-2]) |
| except: |
| return 0 |
| |
| def update_index(self): |
| self.git("ls-files -m -d -o -z | git update-index --add --remove -z --stdin") |
| |
| def checkout(self, branch): |
| self.git("checkout %s" % branch) |
| |
| def repoint_head(self, branch): |
| self.git("symbolic-ref HEAD refs/heads/%s" % branch) |
| |
| def remove_files(self): |
| self.git("ls-files | xargs rm") |
| |
| def clean_directories(self): |
| self.git("clean -d") |
| |
| def fresh_branch(self, branch): |
| report(1, "Creating new branch", branch) |
| self.git("ls-files | xargs rm") |
| os.remove(".git/index") |
| self.repoint_head(branch) |
| self.git("clean -d") |
| |
| def basedir(self): |
| return self.topdir |
| |
| def commit(self, author, email, date, msg, id): |
| self.update_index() |
| fd=open(".msg", "w") |
| fd.writelines(msg) |
| fd.close() |
| try: |
| current = self.get_single("rev-parse --verify HEAD") |
| head = "-p HEAD" |
| except: |
| current = "" |
| head = "" |
| tree = self.get_single("write-tree") |
| for r,l in [('DATE',date),('NAME',author),('EMAIL',email)]: |
| os.environ['GIT_AUTHOR_%s'%r] = l |
| os.environ['GIT_COMMITTER_%s'%r] = l |
| commit = self.get_single("commit-tree %s %s < .msg" % (tree,head)) |
| os.remove(".msg") |
| self.make_tag("p4/%s"%id, commit) |
| self.git("update-ref HEAD %s %s" % (commit, current) ) |
| |
| try: |
| opts, args = getopt.getopt(sys.argv[1:], "qhvt:", |
| ["authors=","help","stitch=","timezone=","log=","ignore","notags"]) |
| except getopt.GetoptError: |
| usage() |
| |
| for o, a in opts: |
| if o == "-q": |
| verbosity = 0 |
| if o == "-v": |
| verbosity += 1 |
| if o in ("--log"): |
| logfile = a |
| if o in ("--notags"): |
| tagall = False |
| if o in ("-h", "--help"): |
| usage() |
| if o in ("--ignore"): |
| ignore_warnings = True |
| |
| git = git_command() |
| branch=git.current_branch() |
| |
| for o, a in opts: |
| if o in ("-t", "--timezone"): |
| git.set_config("perforce.timezone", a) |
| if o in ("--stitch"): |
| git.set_config("perforce.%s.path" % branch, a) |
| stitch = 1 |
| |
| if len(args) == 2: |
| branch = args[1] |
| git.checkout(branch) |
| if branch == git.current_branch(): |
| die("Branch %s already exists!" % branch) |
| report(1, "Setting perforce to ", args[0]) |
| git.set_config("perforce.%s.path" % branch, args[0]) |
| elif len(args) != 0: |
| die("You must specify the perforce //depot/path and git branch") |
| |
| p4path = git.get_config("perforce.%s.path" % branch) |
| if p4path == None: |
| die("Do not know Perforce //depot/path for git branch", branch) |
| |
| p4 = p4_command(p4path) |
| |
| for o, a in opts: |
| if o in ("-a", "--authors"): |
| p4.authors(a) |
| |
| localdir = git.basedir() |
| if p4.where()[:len(localdir)] != localdir: |
| report(1, "**WARNING** Appears p4 client is misconfigured") |
| report(1, " for sync from %s to %s" % (p4.repopath, localdir)) |
| if ignore_warnings != True: |
| die("Reconfigure or use \"--ignore\" on command line") |
| |
| if stitch == 0: |
| top = git.top_change(branch) |
| else: |
| top = 0 |
| changes = p4.changes(top) |
| count = len(changes) |
| if count == 0: |
| report(1, "Already up to date...") |
| sys.exit(0) |
| |
| ptz = git.get_config("perforce.timezone") |
| if ptz: |
| report(1, "Setting timezone to", ptz) |
| os.environ['TZ'] = ptz |
| time.tzset() |
| |
| if stitch == 1: |
| git.remove_files() |
| git.clean_directories() |
| p4.sync(changes[0], force=True) |
| elif top == 0 and branch != git.current_branch(): |
| p4.sync(changes[0], test=True) |
| report(1, "Creating new initial commit"); |
| git.fresh_branch(branch) |
| p4.sync(changes[0], force=True) |
| else: |
| p4.sync(changes[0], trick=True) |
| |
| report(1, "processing %s changes from p4 (%s) to git (%s)" % (count, p4.repopath, branch)) |
| for id in changes: |
| report(1, "Importing changeset", id) |
| change = p4.describe(id) |
| p4.sync(id) |
| if tagall : |
| git.commit(change.author, change.email, change.date, change.msg, id) |
| else: |
| git.commit(change.author, change.email, change.date, change.msg, "import") |
| if stitch == 1: |
| git.clean_directories() |
| stitch = 0 |
