3 # This tool is copyright (c) 2006, Sean Estabrooks.
4 # It is released under the Gnu Public License, version 2.
6 # Import Perforce branches into Git repositories.
7 # Checking out the files is done by calling the standard p4
8 # client which you must have properly configured yourself
17 if sys.hexversion < 0x02020000:
18 # The behavior of the marshal module changed significantly in 2.2
19 sys.stderr.write("git-p4import.py: requires Python 2.2 or later.\n")
22 from signal import signal, \
23 SIGPIPE, SIGINT, SIG_DFL, \
26 signal(SIGPIPE, SIG_DFL)
27 s = signal(SIGINT, SIG_DFL)
28 if s != default_int_handler:
33 msg = "%s %s" % (msg, a)
34 print "git-p4import fatal error:", msg
38 print "USAGE: git-p4import [-q|-v] [--authors=<file>] [-t <timezone>] [//p4repo/path <branch>]"
43 ignore_warnings = False
47 def report(level, msg, *args):
51 msg = "%s %s" % (msg, a)
52 fd = open(logfile, "a")
55 if level <= verbosity:
59 def __init__(self, _repopath):
63 if _repopath[-1] == '/':
64 self.repopath = _repopath[:-1]
66 self.repopath = _repopath
67 if self.repopath[-4:] != "/...":
68 self.repopath= "%s/..." % self.repopath
69 f=os.popen('p4 -V 2>>%s'%logfile, 'rb')
74 die("Could not find the \"p4\" command")
76 def p4(self, cmd, *args):
78 cmd = "%s %s" % (cmd, ' '.join(args))
80 f=os.popen('p4 -G %s 2>>%s' % (cmd,logfile), 'rb')
84 list.append(marshal.load(f))
90 def sync(self, id, force=False, trick=False, test=False):
92 ret = self.p4("sync -f %s@%s"%(self.repopath, id))[0]
94 ret = self.p4("sync -k %s@%s"%(self.repopath, id))[0]
96 ret = self.p4("sync -n %s@%s"%(self.repopath, id))[0]
98 ret = self.p4("sync %s@%s"%(self.repopath, id))[0]
99 if ret['code'] == "error":
100 data = ret['data'].upper()
101 if data.find('VIEW') > 0:
102 die("Perforce reports %s is not in client view"% self.repopath)
103 elif data.find('UP-TO-DATE') < 0:
104 die("Could not sync files from perforce", self.repopath)
106 def changes(self, since=0):
109 for rec in self.p4("changes %s@%s,#head" % (self.repopath, since+1)):
110 list.append(rec['change'])
116 def authors(self, filename):
118 for l in f.readlines():
119 self.userlist[l[:l.find('=')].rstrip()] = \
120 (l[l.find('=')+1:l.find('<')].rstrip(),l[l.find('<')+1:l.find('>')])
122 for f,e in self.userlist.items():
123 report(2, f, ":", e[0], " <", e[1], ">")
125 def _get_user(self, id):
126 if not self.userlist.has_key(id):
128 user = self.p4("users", id)[0]
129 self.userlist[id] = (user['FullName'], user['Email'])
131 self.userlist[id] = (id, "")
132 return self.userlist[id]
134 def _format_date(self, ticks):
136 name = time.tzname[0]
137 offset = time.timezone
139 name = time.tzname[1]
140 offset = time.altzone
144 localo = "%s%02d%02d %s" % (symbol, offset / 3600, offset % 3600, name)
145 tickso = time.strftime("%a %b %d %H:%M:%S %Y", ticks)
146 return "%s %s" % (tickso, localo)
150 return self.p4("where %s" % self.repopath)[-1]['path']
154 def describe(self, num):
155 desc = self.p4("describe -s", num)[0]
156 self.msg = desc['desc']
157 self.author, self.email = self._get_user(desc['user'])
158 self.date = self._format_date(time.localtime(long(desc['time'])))
164 self.version = self.git("--version")[0][12:].rstrip()
166 die("Could not find the \"git\" command")
168 self.gitdir = self.get_single("rev-parse --git-dir")
169 report(2, "gdir:", self.gitdir)
171 die("Not a git repository... did you forget to \"git init\" ?")
173 self.cdup = self.get_single("rev-parse --show-cdup")
176 self.topdir = os.getcwd()
177 report(2, "topdir:", self.topdir)
179 die("Could not find top git directory")
183 report(2, "GIT:", cmd)
184 f=os.popen('git %s 2>>%s' % (cmd,logfile), 'rb')
189 def get_single(self, cmd):
190 return self.git(cmd)[0].rstrip()
192 def current_branch(self):
194 testit = self.git("rev-parse --verify HEAD")[0]
195 return self.git("symbolic-ref HEAD")[0][11:].rstrip()
199 def get_config(self, variable):
201 return self.git("config --get %s" % variable)[0].rstrip()
205 def set_config(self, variable, value):
207 self.git("config %s %s"%(variable, value) )
209 die("Could not set %s to " % variable, value)
211 def make_tag(self, name, head):
212 self.git("tag -f %s %s"%(name,head))
214 def top_change(self, branch):
216 a=self.get_single("name-rev --tags refs/heads/%s" % branch)
217 loc = a.find(' tags/') + 6
218 if a[loc:loc+3] != "p4/":
220 return int(a[loc+3:][:-2])
224 def update_index(self):
225 self.git("ls-files -m -d -o -z | git update-index --add --remove -z --stdin")
227 def checkout(self, branch):
228 self.git("checkout %s" % branch)
230 def repoint_head(self, branch):
231 self.git("symbolic-ref HEAD refs/heads/%s" % branch)
233 def remove_files(self):
234 self.git("ls-files | xargs rm")
236 def clean_directories(self):
239 def fresh_branch(self, branch):
240 report(1, "Creating new branch", branch)
241 self.git("ls-files | xargs rm")
242 os.remove(".git/index")
243 self.repoint_head(branch)
249 def commit(self, author, email, date, msg, id):
255 current = self.get_single("rev-parse --verify HEAD")
260 tree = self.get_single("write-tree")
261 for r,l in [('DATE',date),('NAME',author),('EMAIL',email)]:
262 os.environ['GIT_AUTHOR_%s'%r] = l
263 os.environ['GIT_COMMITTER_%s'%r] = l
264 commit = self.get_single("commit-tree %s %s < .msg" % (tree,head))
266 self.make_tag("p4/%s"%id, commit)
267 self.git("update-ref HEAD %s %s" % (commit, current) )
270 opts, args = getopt.getopt(sys.argv[1:], "qhvt:",
271 ["authors=","help","stitch=","timezone=","log=","ignore","notags"])
272 except getopt.GetoptError:
282 if o in ("--notags"):
284 if o in ("-h", "--help"):
286 if o in ("--ignore"):
287 ignore_warnings = True
290 branch=git.current_branch()
293 if o in ("-t", "--timezone"):
294 git.set_config("perforce.timezone", a)
295 if o in ("--stitch"):
296 git.set_config("perforce.%s.path" % branch, a)
302 if branch == git.current_branch():
303 die("Branch %s already exists!" % branch)
304 report(1, "Setting perforce to ", args[0])
305 git.set_config("perforce.%s.path" % branch, args[0])
307 die("You must specify the perforce //depot/path and git branch")
309 p4path = git.get_config("perforce.%s.path" % branch)
311 die("Do not know Perforce //depot/path for git branch", branch)
313 p4 = p4_command(p4path)
316 if o in ("-a", "--authors"):
319 localdir = git.basedir()
320 if p4.where()[:len(localdir)] != localdir:
321 report(1, "**WARNING** Appears p4 client is misconfigured")
322 report(1, " for sync from %s to %s" % (p4.repopath, localdir))
323 if ignore_warnings != True:
324 die("Reconfigure or use \"--ignore\" on command line")
327 top = git.top_change(branch)
330 changes = p4.changes(top)
333 report(1, "Already up to date...")
336 ptz = git.get_config("perforce.timezone")
338 report(1, "Setting timezone to", ptz)
339 os.environ['TZ'] = ptz
344 git.clean_directories()
345 p4.sync(changes[0], force=True)
346 elif top == 0 and branch != git.current_branch():
347 p4.sync(changes[0], test=True)
348 report(1, "Creating new initial commit");
349 git.fresh_branch(branch)
350 p4.sync(changes[0], force=True)
352 p4.sync(changes[0], trick=True)
354 report(1, "processing %s changes from p4 (%s) to git (%s)" % (count, p4.repopath, branch))
356 report(1, "Importing changeset", id)
357 change = p4.describe(id)
360 git.commit(change.author, change.email, change.date, change.msg, id)
362 git.commit(change.author, change.email, change.date, change.msg, "import")
364 git.clean_directories()