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# merge_upstream.py -- Merge new upstream versions of packages.
# Copyright (C) 2007 Reinhard Tartler <siretart@tauware.de>
# 2007 James Westby <jw+debian@jameswestby.net>
# 2008-2019 Jelmer Vernooij <jelmer@samba.org>
#
# Code is also taken from bzrtools, which is
# (C) 2005, 2006, 2007 Aaron Bentley <aaron.bentley@utoronto.ca>
# (C) 2005, 2006 Canonical Limited.
# (C) 2006 Michael Ellerman.
# and distributed under the GPL, version 2 or later.
#
# 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 __future__ import absolute_import
import os
import subprocess
import tempfile
from debian.changelog import Version
from ... import osutils
from ...revision import NULL_REVISION
from .errors import (
BzrError,
)
from .import_dsc import (
DistributionBranch,
DistributionBranchSet,
PreviousVersionTagMissing,
UpstreamAlreadyImported,
)
from .repack_tarball import repack_tarball
from .util import (
component_from_orig_tarball,
tarball_name,
FORMAT_3_0_QUILT,
FORMAT_3_0_NATIVE,
tree_get_source_format,
)
TAG_PREFIX = "upstream-"
class DchError(BzrError):
_fmt = 'There was an error using dch: %(error)s.'
def __init__(self, error):
BzrError.__init__(self, error=error)
def package_version(upstream_version, distribution_name, epoch=None):
"""Determine the package version for a new upstream.
:param upstream_version: Upstream version string
:param distribution_name: Distribution the package is for
:param epoch: Optional epoch
"""
if distribution_name == "ubuntu":
ret = Version("%s-0ubuntu1" % upstream_version)
else:
ret = Version("%s-1" % upstream_version)
ret.epoch = epoch
return ret
def upstream_merge_changelog_line(upstream_version):
"""Describe that a new upstream revision was merged.
This will either describe that a new upstream release or a new upstream
snapshot was merged.
:param upstream_version: Upstream version string
:return: Line string for use in changelog
"""
vcs_suffixes = ["~bzr", "+bzr", "~svn", "+svn", "~git", "+git", "-git"]
for vcs_suffix in vcs_suffixes:
if vcs_suffix in str(upstream_version):
entry_description = "New upstream snapshot."
break
else:
entry_description = "New upstream release."
return entry_description
# TODO(jelmer): Move into debmutate
def changelog_add_new_version(
tree, subpath, upstream_version, distribution_name, changelog,
package):
"""Add an entry to the changelog for a new version.
:param tree: WorkingTree in which the package lives
:param upstream_version: Upstream version to add
:param distribution_name: Distribution name (debian, ubuntu, ...)
:param changelog: Changelog object
:param package: Package name
"""
entry_description = upstream_merge_changelog_line(upstream_version)
if changelog is None:
epoch = None
else:
epoch = changelog.epoch
argv = ["dch", "-v",
str(package_version(upstream_version, distribution_name, epoch)),
"-D", "UNRELEASED", "--release-heuristic", "changelog",
"--package", package, entry_description]
if not tree.has_filename(osutils.pathjoin(subpath, 'debian')):
tree.mkdir(osutils.pathjoin(subpath, 'debian'))
cl_path = osutils.pathjoin(subpath, "debian/changelog")
create = (not tree.has_filename(cl_path))
if create:
argv.append("--create")
proc = subprocess.Popen(
argv, cwd=osutils.pathjoin(tree.basedir, subpath),
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(stdout, stderr) = proc.communicate()
if proc.returncode != 0:
raise DchError("Adding changelog entry failed: %s" % stderr)
if not tree.is_versioned(cl_path):
tree.add([cl_path])
def do_import(
tree, subpath, tarball_filenames, package, version,
current_version, upstream_branch, upstream_revisions, merge_type=None,
force=False, force_pristine_tar=False, committer=None,
files_excluded=None):
"""Import new tarballs.
Args:
tree: Working tree to operate in
tarball_filenames: List of tarball filenames as tuples with (path,
component)
package: Package name
version: New upstream version to merge
current_version: Current upstream version in tree
upstream_branch: Optional upstream branch to merge from
upstream_revisions: Dictionary mapping versions to upstream revisions
merge_type: Merge type
committer: Committer string to use
files_excluded: Files to exclude
"""
db = DistributionBranch(tree.branch, tree.branch, tree=tree)
dbs = DistributionBranchSet()
dbs.add_branch(db)
tarballs = [(p, component_from_orig_tarball(p, package, version), None)
for p in tarball_filenames]
with tempfile.TemporaryDirectory(
dir=os.path.join(db.tree.basedir, '..')) as tempdir:
if current_version is not None:
db._export_previous_upstream_tree(
package, current_version, tempdir)
else:
db.create_empty_upstream_tree(tempdir)
if db.pristine_upstream_source.has_version(package, version):
raise UpstreamAlreadyImported(version)
parents = {None: []}
if db.pristine_upstream_branch.last_revision() != NULL_REVISION:
parents = {None: [db.pristine_upstream_branch.last_revision()]}
return db.import_upstream_tarballs(
tarballs, package, version,
parents,
upstream_branch=upstream_branch,
upstream_revisions=upstream_revisions,
force_pristine_tar=force_pristine_tar,
committer=committer, files_excluded=files_excluded)
def do_merge(
tree, subpath, tarball_filenames, package, version,
current_version, upstream_branch, upstream_revisions, merge_type=None,
force=False, force_pristine_tar=False, committer=None,
files_excluded=None):
"""Actually execute a merge.
Args:
tree: Working tree to operate in
tarball_filenames: List of tarball filenames as tuples with (path,
component)
package: Package name
version: New upstream version to merge
current_version: Current upstream version in tree
upstream_branch: Optional upstream branch to merge from
upstream_revisions: Dictionary mapping versions to upstream revisions
merge_type: Merge type
committer: Committer string to use
files_excluded: Files to exclude
"""
db = DistributionBranch(tree.branch, tree.branch, tree=tree)
dbs = DistributionBranchSet()
dbs.add_branch(db)
tarballs = [(p, component_from_orig_tarball(p, package, version))
for p in tarball_filenames]
return db.merge_upstream(
tarballs, package, version, current_version,
upstream_branch=upstream_branch,
upstream_revisions=upstream_revisions,
merge_type=merge_type, force=force,
force_pristine_tar=force_pristine_tar,
committer=committer, files_excluded=files_excluded)
def fetch_tarball(package, version, orig_dir, locations, v3):
ret = []
format = None
for location in locations:
if v3:
if location.endswith(".tar.bz2") or location.endswith(".tbz2"):
format = "bz2"
elif location.endswith(".tar.xz"):
format = "xz"
dest_name = tarball_name(package, version, None, format=format)
tarball_filename = os.path.join(orig_dir, dest_name)
repack_tarball(location, dest_name, target_dir=orig_dir)
ret.append(tarball_filename)
return ret
def get_tarballs(orig_dir, tree, package, version, locations):
"""Retrieve upstream tarballs."""
source_format = tree_get_source_format(tree)
v3 = (source_format in [FORMAT_3_0_QUILT, FORMAT_3_0_NATIVE])
orig_dir = os.path.join(tree.basedir, orig_dir)
if not os.path.exists(orig_dir):
os.makedirs(orig_dir)
return fetch_tarball(package, version, orig_dir, locations, v3)
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