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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
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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; either version 2 of the License, or
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# (at your option) any 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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"""Custom revision specifier for Subversion."""
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from __future__ import absolute_import
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# Please note that imports are delayed as much as possible here since
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# if DWIM revspecs are supported this module is imported by __init__.py.
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from ... import version_info as breezy_version
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from ...errors import (
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from ...revision import (
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from ...revisionspec import (
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def valid_git_sha1(hex):
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"""Check if `hex` is a validly formatted Git SHA1.
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:param hex: Hex string to validate
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binascii.unhexlify(hex)
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class RevisionSpec_git(RevisionSpec):
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"""Selects a revision using a Subversion revision number."""
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help_txt = """Selects a revision using a Git revision sha1.
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wants_revision_history = False
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def _lookup_git_sha1(self, branch, sha1):
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GitSmartRemoteNotSupported,
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from .mapping import (
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bzr_revid = getattr(branch.repository, "lookup_foreign_revision_id",
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default_mapping.revision_id_foreign_to_bzr)(sha1)
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if branch.repository.has_revision(bzr_revid):
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return RevisionInfo.from_revision_id(branch, bzr_revid)
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except GitSmartRemoteNotSupported:
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return RevisionInfo(branch, None, bzr_revid)
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raise InvalidRevisionSpec(self.user_spec, branch)
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def __nonzero__(self):
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# The default implementation uses branch.repository.has_revision()
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if self.rev_id is None:
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if self.rev_id == NULL_REVISION:
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def _find_short_git_sha1(self, branch, sha1):
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from .mapping import (
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parse_revid = getattr(branch.repository, "lookup_bzr_revision_id",
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mapping_registry.parse_revision_id)
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branch.repository.lock_read()
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graph = branch.repository.get_graph()
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for revid, _ in graph.iter_ancestry([branch.last_revision()]):
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if revid == NULL_REVISION:
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foreign_revid, mapping = parse_revid(revid)
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except InvalidRevisionId:
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if not isinstance(mapping.vcs, ForeignGit):
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if foreign_revid.startswith(sha1):
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return RevisionInfo.from_revision_id(branch, revid)
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raise InvalidRevisionSpec(self.user_spec, branch)
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branch.repository.unlock()
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def _match_on(self, branch, revs):
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loc = self.spec.find(':')
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git_sha1 = self.spec[loc+1:].encode("utf-8")
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if len(git_sha1) > 40 or not valid_git_sha1(git_sha1):
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raise InvalidRevisionSpec(self.user_spec, branch)
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lazy_check_versions()
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if len(git_sha1) == 40:
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return self._lookup_git_sha1(branch, git_sha1)
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return self._find_short_git_sha1(branch, git_sha1)
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def needs_branch(self):
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def get_branch(self):
added
removed
revspec.py
