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# util.py -- Utility functions
# Copyright (C) 2008 Canonical Ltd.
#
# This file is part of bzr-builddeb.
#
# bzr-builddeb 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.
#
# bzr-builddeb 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 bzr-builddeb; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
from ...errors import (
NoSuchTag,
BzrError,
)
from ...revisionspec import RevisionSpec, RevisionInfo, InvalidRevisionSpec
class UnknownVersion(BzrError):
_fmt = ('No tag exists in this branch indicating that version '
'"%(version)s" has been uploaded.')
def __init__(self, version):
BzrError.__init__(self, version=version)
class VersionNotSpecified(BzrError):
_fmt = "You did not specify a package version."
class RevisionSpec_package(RevisionSpec):
"""Selects a revision based on the version of the package."""
help_txt = """Selects the revision corresponding to a version of a package.
Given a package version number this revision specifier will allow you
specify the revision corresponding to the upload of that version of
the package.
"""
wants_revision_history = False
prefix = 'package:'
def _match_on(self, branch, revs=None):
version_spec = self.spec
dist_spec = None # noqa: F841
if version_spec == '':
raise VersionNotSpecified
try:
revision_id = branch.tags.lookup_tag(version_spec)
return RevisionInfo.from_revision_id(
branch, revision_id)
except NoSuchTag as e:
raise UnknownVersion(version_spec) from e
class RevisionSpec_upstream(RevisionSpec):
"""Selects the matching upstream revision."""
help_txt = """Selects the revision matching the upstream specified
or the current upstream.
This will look at debian/changelog to find out the current version,
and then look up the upstream.
"""
wants_revision_history = False
prefix = 'upstream:'
def _match_on(self, branch, revs=None):
from ...workingtree import WorkingTree
from .util import (
find_changelog,
MissingChangelogError,
)
from .upstream.pristinetar import get_pristine_tar_source
from .upstream import StackedUpstreamSource
from debian.changelog import Version
tree, subpath = WorkingTree.open_containing('.')
try:
(cl, top_level) = find_changelog(tree, subpath, merge=False)
except MissingChangelogError as e:
raise InvalidRevisionSpec(
self.user_spec, branch,
"no debian/changelog file found: %s" % e) from e
if self.spec == '':
version_spec = cl.version.upstream_version
if not cl.version.debian_version:
raise InvalidRevisionSpec(
self.user_spec, branch,
"This is a native package.")
else:
version = Version(self.spec)
if version.upstream_version:
version_spec = version.upstream_version
else:
version_spec = self.spec
upstream_source = StackedUpstreamSource([
get_pristine_tar_source(tree, branch),
])
try:
revision_id, subpath = upstream_source.version_as_revisions(
cl.package, version_spec)[None]
return RevisionInfo.from_revision_id(
branch, revision_id)
except NoSuchTag as e:
raise UnknownVersion(version_spec) from e
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