mirror of
https://github.com/facebook/sapling.git
synced 2024-10-11 09:17:30 +03:00
dfda82e492
Summary: Mostly empty lines removed and added. A few bugfixes on excessive line splitting. Reviewed By: quark-zju Differential Revision: D8199128 fbshipit-source-id: 90c1616061bfd7cfbba0b75f03f89683340374d5
314 lines
11 KiB
Python
314 lines
11 KiB
Python
# cvs.py: CVS conversion code inspired by hg-cvs-import and git-cvsimport
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#
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# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import errno
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import os
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import re
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import socket
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from mercurial.i18n import _
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from mercurial import encoding, error, pycompat, util
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from . import common, cvsps
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stringio = util.stringio
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checktool = common.checktool
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commit = common.commit
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converter_source = common.converter_source
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makedatetimestamp = common.makedatetimestamp
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NoRepo = common.NoRepo
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class convert_cvs(converter_source):
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def __init__(self, ui, repotype, path, revs=None):
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super(convert_cvs, self).__init__(ui, repotype, path, revs=revs)
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cvs = os.path.join(path, "CVS")
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if not os.path.exists(cvs):
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raise NoRepo(_("%s does not look like a CVS checkout") % path)
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checktool("cvs")
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self.changeset = None
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self.files = {}
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self.tags = {}
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self.lastbranch = {}
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self.socket = None
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self.cvsroot = open(os.path.join(cvs, "Root")).read()[:-1]
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self.cvsrepo = open(os.path.join(cvs, "Repository")).read()[:-1]
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self.encoding = encoding.encoding
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self._connect()
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def _parse(self):
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if self.changeset is not None:
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return
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self.changeset = {}
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maxrev = 0
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if self.revs:
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if len(self.revs) > 1:
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raise error.Abort(
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_("cvs source does not support specifying " "multiple revs")
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)
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# TODO: handle tags
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try:
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# patchset number?
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maxrev = int(self.revs[0])
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except ValueError:
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raise error.Abort(
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_("revision %s is not a patchset number") % self.revs[0]
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)
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d = pycompat.getcwd()
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try:
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os.chdir(self.path)
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id = None
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cache = "update"
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if not self.ui.configbool("convert", "cvsps.cache"):
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cache = None
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db = cvsps.createlog(self.ui, cache=cache)
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db = cvsps.createchangeset(
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self.ui,
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db,
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fuzz=int(self.ui.config("convert", "cvsps.fuzz")),
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mergeto=self.ui.config("convert", "cvsps.mergeto"),
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mergefrom=self.ui.config("convert", "cvsps.mergefrom"),
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)
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for cs in db:
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if maxrev and cs.id > maxrev:
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break
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id = str(cs.id)
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cs.author = self.recode(cs.author)
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self.lastbranch[cs.branch] = id
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cs.comment = self.recode(cs.comment)
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if self.ui.configbool("convert", "localtimezone"):
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cs.date = makedatetimestamp(cs.date[0])
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date = util.datestr(cs.date, "%Y-%m-%d %H:%M:%S %1%2")
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self.tags.update(dict.fromkeys(cs.tags, id))
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files = {}
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for f in cs.entries:
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files[f.file] = "%s%s" % (
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".".join([str(x) for x in f.revision]),
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["", "(DEAD)"][f.dead],
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)
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# add current commit to set
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c = commit(
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author=cs.author,
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date=date,
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parents=[str(p.id) for p in cs.parents],
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desc=cs.comment,
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branch=cs.branch or "",
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)
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self.changeset[id] = c
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self.files[id] = files
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self.heads = self.lastbranch.values()
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finally:
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os.chdir(d)
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def _connect(self):
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root = self.cvsroot
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conntype = None
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user, host = None, None
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cmd = ["cvs", "server"]
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self.ui.status(_("connecting to %s\n") % root)
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if root.startswith(":pserver:"):
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root = root[9:]
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m = re.match(r"(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)", root)
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if m:
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conntype = "pserver"
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user, passw, serv, port, root = m.groups()
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if not user:
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user = "anonymous"
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if not port:
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port = 2401
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else:
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port = int(port)
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format0 = ":pserver:%s@%s:%s" % (user, serv, root)
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format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root)
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if not passw:
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passw = "A"
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cvspass = os.path.expanduser("~/.cvspass")
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try:
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pf = open(cvspass)
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for line in pf.read().splitlines():
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part1, part2 = line.split(" ", 1)
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# /1 :pserver:user@example.com:2401/cvsroot/foo
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# Ah<Z
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if part1 == "/1":
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part1, part2 = part2.split(" ", 1)
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format = format1
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# :pserver:user@example.com:/cvsroot/foo Ah<Z
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else:
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format = format0
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if part1 == format:
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passw = part2
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break
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pf.close()
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except IOError as inst:
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if inst.errno != errno.ENOENT:
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if not getattr(inst, "filename", None):
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inst.filename = cvspass
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raise
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sck = socket.socket()
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sck.connect((serv, port))
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sck.send(
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"\n".join(
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[
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"BEGIN AUTH REQUEST",
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root,
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user,
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passw,
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"END AUTH REQUEST",
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"",
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]
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)
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)
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if sck.recv(128) != "I LOVE YOU\n":
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raise error.Abort(_("CVS pserver authentication failed"))
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self.writep = self.readp = sck.makefile("r+")
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if not conntype and root.startswith(":local:"):
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conntype = "local"
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root = root[7:]
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if not conntype:
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# :ext:user@host/home/user/path/to/cvsroot
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if root.startswith(":ext:"):
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root = root[5:]
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m = re.match(r"(?:([^@:/]+)@)?([^:/]+):?(.*)", root)
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# Do not take Windows path "c:\foo\bar" for a connection strings
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if os.path.isdir(root) or not m:
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conntype = "local"
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else:
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conntype = "rsh"
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user, host, root = m.group(1), m.group(2), m.group(3)
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if conntype != "pserver":
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if conntype == "rsh":
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rsh = encoding.environ.get("CVS_RSH") or "ssh"
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if user:
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cmd = [rsh, "-l", user, host] + cmd
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else:
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cmd = [rsh, host] + cmd
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# popen2 does not support argument lists under Windows
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cmd = [util.shellquote(arg) for arg in cmd]
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cmd = util.quotecommand(" ".join(cmd))
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self.writep, self.readp = util.popen2(cmd)
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self.realroot = root
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self.writep.write("Root %s\n" % root)
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self.writep.write(
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"Valid-responses ok error Valid-requests Mode"
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" M Mbinary E Checked-in Created Updated"
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" Merged Removed\n"
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)
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self.writep.write("valid-requests\n")
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self.writep.flush()
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r = self.readp.readline()
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if not r.startswith("Valid-requests"):
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raise error.Abort(
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_(
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"unexpected response from CVS server "
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'(expected "Valid-requests", but got %r)'
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)
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% r
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)
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if "UseUnchanged" in r:
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self.writep.write("UseUnchanged\n")
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self.writep.flush()
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r = self.readp.readline()
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def getheads(self):
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self._parse()
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return self.heads
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def getfile(self, name, rev):
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def chunkedread(fp, count):
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# file-objects returned by socket.makefile() do not handle
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# large read() requests very well.
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chunksize = 65536
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output = stringio()
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while count > 0:
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data = fp.read(min(count, chunksize))
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if not data:
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raise error.Abort(_("%d bytes missing from remote file") % count)
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count -= len(data)
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output.write(data)
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return output.getvalue()
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self._parse()
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if rev.endswith("(DEAD)"):
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return None, None
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args = ("-N -P -kk -r %s --" % rev).split()
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args.append(self.cvsrepo + "/" + name)
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for x in args:
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self.writep.write("Argument %s\n" % x)
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self.writep.write("Directory .\n%s\nco\n" % self.realroot)
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self.writep.flush()
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data = ""
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mode = None
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while True:
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line = self.readp.readline()
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if line.startswith("Created ") or line.startswith("Updated "):
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self.readp.readline() # path
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self.readp.readline() # entries
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mode = self.readp.readline()[:-1]
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count = int(self.readp.readline()[:-1])
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data = chunkedread(self.readp, count)
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elif line.startswith(" "):
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data += line[1:]
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elif line.startswith("M "):
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pass
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elif line.startswith("Mbinary "):
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count = int(self.readp.readline()[:-1])
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data = chunkedread(self.readp, count)
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else:
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if line == "ok\n":
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if mode is None:
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raise error.Abort(_("malformed response from CVS"))
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return (data, "x" in mode and "x" or "")
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elif line.startswith("E "):
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self.ui.warn(_("cvs server: %s\n") % line[2:])
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elif line.startswith("Remove"):
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self.readp.readline()
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else:
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raise error.Abort(_("unknown CVS response: %s") % line)
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def getchanges(self, rev, full):
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if full:
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raise error.Abort(_("convert from cvs does not support --full"))
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self._parse()
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return sorted(self.files[rev].iteritems()), {}, set()
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def getcommit(self, rev):
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self._parse()
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return self.changeset[rev]
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def gettags(self):
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self._parse()
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return self.tags
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def getchangedfiles(self, rev, i):
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self._parse()
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return sorted(self.files[rev])
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