mirror of
https://github.com/git/git
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44211e8c2e
On FreeBSD, Python does not ship as part of the base system but is available via the ports system, which install the binary in /usr/local/bin. Signed-off-by: R. Tyler Ballance <tyler@monkeypox.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
360 lines
10 KiB
Python
360 lines
10 KiB
Python
#!/usr/bin/env python
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#
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# This tool is copyright (c) 2006, Sean Estabrooks.
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# It is released under the Gnu Public License, version 2.
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#
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# Import Perforce branches into Git repositories.
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# Checking out the files is done by calling the standard p4
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# client which you must have properly configured yourself
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#
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import marshal
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import os
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import sys
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import time
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import getopt
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from signal import signal, \
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SIGPIPE, SIGINT, SIG_DFL, \
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default_int_handler
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signal(SIGPIPE, SIG_DFL)
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s = signal(SIGINT, SIG_DFL)
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if s != default_int_handler:
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signal(SIGINT, s)
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def die(msg, *args):
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for a in args:
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msg = "%s %s" % (msg, a)
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print "git-p4import fatal error:", msg
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sys.exit(1)
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def usage():
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print "USAGE: git-p4import [-q|-v] [--authors=<file>] [-t <timezone>] [//p4repo/path <branch>]"
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sys.exit(1)
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verbosity = 1
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logfile = "/dev/null"
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ignore_warnings = False
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stitch = 0
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tagall = True
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def report(level, msg, *args):
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global verbosity
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global logfile
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for a in args:
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msg = "%s %s" % (msg, a)
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fd = open(logfile, "a")
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fd.writelines(msg)
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fd.close()
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if level <= verbosity:
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print msg
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class p4_command:
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def __init__(self, _repopath):
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try:
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global logfile
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self.userlist = {}
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if _repopath[-1] == '/':
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self.repopath = _repopath[:-1]
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else:
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self.repopath = _repopath
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if self.repopath[-4:] != "/...":
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self.repopath= "%s/..." % self.repopath
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f=os.popen('p4 -V 2>>%s'%logfile, 'rb')
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a = f.readlines()
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if f.close():
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raise
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except:
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die("Could not find the \"p4\" command")
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def p4(self, cmd, *args):
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global logfile
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cmd = "%s %s" % (cmd, ' '.join(args))
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report(2, "P4:", cmd)
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f=os.popen('p4 -G %s 2>>%s' % (cmd,logfile), 'rb')
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list = []
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while 1:
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try:
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list.append(marshal.load(f))
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except EOFError:
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break
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self.ret = f.close()
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return list
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def sync(self, id, force=False, trick=False, test=False):
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if force:
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ret = self.p4("sync -f %s@%s"%(self.repopath, id))[0]
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elif trick:
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ret = self.p4("sync -k %s@%s"%(self.repopath, id))[0]
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elif test:
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ret = self.p4("sync -n %s@%s"%(self.repopath, id))[0]
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else:
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ret = self.p4("sync %s@%s"%(self.repopath, id))[0]
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if ret['code'] == "error":
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data = ret['data'].upper()
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if data.find('VIEW') > 0:
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die("Perforce reports %s is not in client view"% self.repopath)
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elif data.find('UP-TO-DATE') < 0:
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die("Could not sync files from perforce", self.repopath)
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def changes(self, since=0):
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try:
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list = []
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for rec in self.p4("changes %s@%s,#head" % (self.repopath, since+1)):
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list.append(rec['change'])
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list.reverse()
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return list
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except:
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return []
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def authors(self, filename):
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f=open(filename)
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for l in f.readlines():
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self.userlist[l[:l.find('=')].rstrip()] = \
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(l[l.find('=')+1:l.find('<')].rstrip(),l[l.find('<')+1:l.find('>')])
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f.close()
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for f,e in self.userlist.items():
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report(2, f, ":", e[0], " <", e[1], ">")
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def _get_user(self, id):
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if not self.userlist.has_key(id):
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try:
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user = self.p4("users", id)[0]
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self.userlist[id] = (user['FullName'], user['Email'])
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except:
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self.userlist[id] = (id, "")
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return self.userlist[id]
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def _format_date(self, ticks):
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symbol='+'
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name = time.tzname[0]
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offset = time.timezone
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if ticks[8]:
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name = time.tzname[1]
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offset = time.altzone
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if offset < 0:
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offset *= -1
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symbol = '-'
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localo = "%s%02d%02d %s" % (symbol, offset / 3600, offset % 3600, name)
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tickso = time.strftime("%a %b %d %H:%M:%S %Y", ticks)
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return "%s %s" % (tickso, localo)
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def where(self):
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try:
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return self.p4("where %s" % self.repopath)[-1]['path']
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except:
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return ""
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def describe(self, num):
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desc = self.p4("describe -s", num)[0]
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self.msg = desc['desc']
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self.author, self.email = self._get_user(desc['user'])
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self.date = self._format_date(time.localtime(long(desc['time'])))
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return self
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class git_command:
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def __init__(self):
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try:
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self.version = self.git("--version")[0][12:].rstrip()
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except:
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die("Could not find the \"git\" command")
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try:
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self.gitdir = self.get_single("rev-parse --git-dir")
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report(2, "gdir:", self.gitdir)
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except:
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die("Not a git repository... did you forget to \"git init\" ?")
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try:
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self.cdup = self.get_single("rev-parse --show-cdup")
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if self.cdup != "":
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os.chdir(self.cdup)
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self.topdir = os.getcwd()
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report(2, "topdir:", self.topdir)
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except:
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die("Could not find top git directory")
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def git(self, cmd):
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global logfile
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report(2, "GIT:", cmd)
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f=os.popen('git %s 2>>%s' % (cmd,logfile), 'rb')
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r=f.readlines()
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self.ret = f.close()
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return r
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def get_single(self, cmd):
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return self.git(cmd)[0].rstrip()
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def current_branch(self):
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try:
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testit = self.git("rev-parse --verify HEAD")[0]
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return self.git("symbolic-ref HEAD")[0][11:].rstrip()
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except:
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return None
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def get_config(self, variable):
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try:
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return self.git("config --get %s" % variable)[0].rstrip()
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except:
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return None
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def set_config(self, variable, value):
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try:
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self.git("config %s %s"%(variable, value) )
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except:
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die("Could not set %s to " % variable, value)
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def make_tag(self, name, head):
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self.git("tag -f %s %s"%(name,head))
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def top_change(self, branch):
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try:
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a=self.get_single("name-rev --tags refs/heads/%s" % branch)
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loc = a.find(' tags/') + 6
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if a[loc:loc+3] != "p4/":
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raise
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return int(a[loc+3:][:-2])
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except:
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return 0
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def update_index(self):
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self.git("ls-files -m -d -o -z | git update-index --add --remove -z --stdin")
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def checkout(self, branch):
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self.git("checkout %s" % branch)
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def repoint_head(self, branch):
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self.git("symbolic-ref HEAD refs/heads/%s" % branch)
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def remove_files(self):
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self.git("ls-files | xargs rm")
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def clean_directories(self):
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self.git("clean -d")
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def fresh_branch(self, branch):
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report(1, "Creating new branch", branch)
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self.git("ls-files | xargs rm")
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os.remove(".git/index")
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self.repoint_head(branch)
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self.git("clean -d")
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def basedir(self):
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return self.topdir
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def commit(self, author, email, date, msg, id):
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self.update_index()
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fd=open(".msg", "w")
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fd.writelines(msg)
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fd.close()
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try:
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current = self.get_single("rev-parse --verify HEAD")
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head = "-p HEAD"
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except:
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current = ""
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head = ""
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tree = self.get_single("write-tree")
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for r,l in [('DATE',date),('NAME',author),('EMAIL',email)]:
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os.environ['GIT_AUTHOR_%s'%r] = l
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os.environ['GIT_COMMITTER_%s'%r] = l
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commit = self.get_single("commit-tree %s %s < .msg" % (tree,head))
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os.remove(".msg")
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self.make_tag("p4/%s"%id, commit)
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self.git("update-ref HEAD %s %s" % (commit, current) )
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try:
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opts, args = getopt.getopt(sys.argv[1:], "qhvt:",
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["authors=","help","stitch=","timezone=","log=","ignore","notags"])
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except getopt.GetoptError:
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usage()
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for o, a in opts:
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if o == "-q":
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verbosity = 0
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if o == "-v":
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verbosity += 1
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if o in ("--log"):
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logfile = a
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if o in ("--notags"):
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tagall = False
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if o in ("-h", "--help"):
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usage()
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if o in ("--ignore"):
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ignore_warnings = True
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git = git_command()
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branch=git.current_branch()
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for o, a in opts:
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if o in ("-t", "--timezone"):
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git.set_config("perforce.timezone", a)
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if o in ("--stitch"):
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git.set_config("perforce.%s.path" % branch, a)
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stitch = 1
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if len(args) == 2:
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branch = args[1]
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git.checkout(branch)
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if branch == git.current_branch():
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die("Branch %s already exists!" % branch)
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report(1, "Setting perforce to ", args[0])
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git.set_config("perforce.%s.path" % branch, args[0])
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elif len(args) != 0:
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die("You must specify the perforce //depot/path and git branch")
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p4path = git.get_config("perforce.%s.path" % branch)
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if p4path == None:
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die("Do not know Perforce //depot/path for git branch", branch)
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p4 = p4_command(p4path)
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for o, a in opts:
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if o in ("-a", "--authors"):
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p4.authors(a)
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localdir = git.basedir()
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if p4.where()[:len(localdir)] != localdir:
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report(1, "**WARNING** Appears p4 client is misconfigured")
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report(1, " for sync from %s to %s" % (p4.repopath, localdir))
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if ignore_warnings != True:
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die("Reconfigure or use \"--ignore\" on command line")
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if stitch == 0:
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top = git.top_change(branch)
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else:
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top = 0
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changes = p4.changes(top)
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count = len(changes)
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if count == 0:
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report(1, "Already up to date...")
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sys.exit(0)
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ptz = git.get_config("perforce.timezone")
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if ptz:
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report(1, "Setting timezone to", ptz)
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os.environ['TZ'] = ptz
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time.tzset()
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if stitch == 1:
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git.remove_files()
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git.clean_directories()
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p4.sync(changes[0], force=True)
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elif top == 0 and branch != git.current_branch():
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p4.sync(changes[0], test=True)
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report(1, "Creating new initial commit");
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git.fresh_branch(branch)
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p4.sync(changes[0], force=True)
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else:
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p4.sync(changes[0], trick=True)
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report(1, "processing %s changes from p4 (%s) to git (%s)" % (count, p4.repopath, branch))
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for id in changes:
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report(1, "Importing changeset", id)
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change = p4.describe(id)
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p4.sync(id)
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if tagall :
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git.commit(change.author, change.email, change.date, change.msg, id)
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else:
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git.commit(change.author, change.email, change.date, change.msg, "import")
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if stitch == 1:
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git.clean_directories()
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stitch = 0
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