Fix a seriously bad interaction between .git caching and repo cloning

[stgit] / stgit / commands / clone.py

__copyright__ = """
Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""

import sys, os
from optparse import OptionParser, make_option

from stgit.commands.common import *
from stgit.utils import *
from stgit import stack, git


help = 'clone a remote repository into local storage'
usage = """%prog [options] <repository> <dir>

Clone a GIT <repository> into the local <dir> and initialise the
patch stack."""

options = []


def func(parser, options, args):
    """Clone the <repository> into the local <dir> and initialises the
    stack
    """
    if len(args) != 2:
        parser.error('incorrect number of arguments')

    repository = args[0]
    local_dir = args[1]

    if os.path.exists(local_dir):
        raise CmdException, '"%s" exists. Remove it first' % local_dir

    print 'Cloning "%s" into "%s"...' % (repository, local_dir)

    git.clone(repository, local_dir)
    os.chdir(local_dir)
    git.checkout(tree_id = 'HEAD')

    # be sure to forget any cached value for .git, since we're going
    # to work on a brand new repository
    basedir.clear_cache()
    stack.Series().init()

    print 'done'