~jelmer/bzr-git/index-based

# Copyright (C) 2007 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# 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

"""A grouping of Exceptions for bzr-git"""

from dulwich import errors as git_errors

from bzrlib import errors as bzr_errors

class BzrGitError(bzr_errors.BzrError):

    """The base-level exception for bzr-git errors."""

class GitCommandError(BzrGitError):

    """Raised when spawning 'git' does not return normally."""

    _fmt = 'Command failed (%(returncode)s): command %(command)s\n%(stderr)s'

    def __init__(self, command, returncode, stderr):

        self.command = command

        self.returncode = returncode

        self.stderr = stderr

class NoSuchRef(BzrGitError):

    """Raised when a ref can not be found."""

    _fmt = "The ref %(ref)s was not found."

    def __init__(self, ref, present_refs=None):

        self.ref = ref

        self.present_refs = present_refs

def convert_dulwich_error(error):

    """Convert a Dulwich error to a Bazaar error."""

    if isinstance(error, git_errors.HangupException):

        raise bzr_errors.ConnectionReset(error.msg, "")

    raise error

class NoPushSupport(bzr_errors.BzrError):

    _fmt = "Push is not yet supported for bzr-git. Try dpush instead."

class GitSmartRemoteNotSupported(bzr_errors.BzrError):

    _fmt = "This operation is not supported by the Git smart server protocol."