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# Copyright (C) 2019 Jelmer Vernooij <jelmer@jelmer.uk>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 3 of the License or
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# (at your option) a later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Mercurial foreign branch support.
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Currently only tells the user that Mercurial is not supported.
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from __future__ import absolute_import
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from ... import version_info # noqa: F401
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class MercurialUnsupportedError(errors.UnsupportedFormatError):
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_fmt = ('Mercurial branches are not yet supported. '
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'To convert monotone branches to Breezy branches or vice versa, '
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'use the fastimport format. ')
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class HgDirFormat(controldir.ControlDirFormat):
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"""Mercurial directory format."""
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def get_converter(self):
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raise NotImplementedError(self.get_converter)
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def get_format_description(self):
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return "Mercurial control directory"
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def initialize_on_transport(self, transport):
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raise errors.UninitializableFormat(self)
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def is_supported(self):
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def supports_transport(self, transport):
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def check_support_status(self, allow_unsupported, recommend_upgrade=True,
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raise MercurialUnsupportedError(self)
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def open(self, transport):
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# Raise NotBranchError if there is nothing there
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LocalHgProber().probe_transport(transport)
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raise NotImplementedError(self.open)
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class LocalHgProber(controldir.Prober):
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def probe_transport(klass, transport):
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"""Our format is present if the transport has a '.hg/' subdir."""
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if transport.has('.hg'):
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raise errors.NotBranchError(path=transport.base)
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def known_formats(cls):
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return [HgDirFormat()]
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controldir.ControlDirFormat.register_prober(LocalHgProber)