breezy-debian 2.8.78

Debian support for Breezy
Documentation 
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#!/usr/bin/python3
# Copyright (C) 2018 Jelmer Vernooij <jelmer@jelmer.uk>
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Refresh packaging."""

from email.utils import parseaddr
import logging
import os
from typing import Optional

from debian.changelog import get_maintainer
from debmutate.changelog import ChangelogEditor
from breezy.plugins.debian.changelog import debcommit
from breezy.tree import Tree


def override_dh_autoreconf_add_arguments(basedir: str, args):
    from debmutate._rules import update_rules

    # TODO(jelmer): Make sure dh-autoreconf is installed,
    # or debhelper version is >= 10

    def update_makefile(mf):
        for rule in mf.iter_rules(b"override_dh_autoreconf"):
            command = rule.commands()[0].split(b" ")
            if command[0] != b"dh_autoreconf":
                return
            rule.lines = [rule.lines[0]]
            command += args
            break
        else:
            rule = mf.add_rule(b"override_dh_autoreconf")
            command = [b"dh_autoreconf"] + args
        rule.append_command(b" ".join(command))

    return update_rules(
        makefile_cb=update_makefile,
        path=os.path.join(basedir, "debian", "rules")
    )


def update_packaging(
        tree: Tree, old_tree: Tree, subpath: str = "",
        committer: Optional[str] = None) -> list[str]:
    """Update packaging to take in changes between upstream trees.

    Args:
      tree: Current tree
      old_tree: Old tree
      committer: Optional committer to use for changes
    """
    if committer is None:
        maintainer = get_maintainer()
    else:
        maintainer = parseaddr(committer)
    notes = []
    tree_delta = tree.changes_from(old_tree, specific_files=[subpath])
    for delta in tree_delta.added:
        path = delta.path[1]
        if path is None:
            continue
        if not path.startswith(subpath):
            continue
        path = path[len(subpath):]
        if path == "autogen.sh":
            if override_dh_autoreconf_add_arguments(
                    tree.basedir, [b"./autogen.sh"]):
                logging.info(
                    "Modifying debian/rules: "
                    "Invoke autogen.sh from dh_autoreconf."
                )
                with ChangelogEditor(
                        tree.abspath(
                            os.path.join(subpath, 'debian/changelog'))) as cl:
                    cl.add_entry(
                        ["Invoke autogen.sh from dh_autoreconf."],
                        maintainer=maintainer)
                debcommit(
                    tree,
                    committer=committer,
                    subpath=subpath,
                    paths=["debian/changelog", "debian/rules"],
                )
        elif path.startswith("LICENSE") or path.startswith("COPYING"):
            notes.append(
                "License file %s has changed." % os.path.join(subpath, path))

    return notes


def main():
    import argparse
    from breezy.workingtree import WorkingTree
    from breezy.revisionspec import RevisionSpec

    import breezy.bzr  # noqa: F401
    import breezy.git  # noqa: F401

    parser = argparse.ArgumentParser('deb-update-packaging')
    parser.add_argument(
        '--since', type=str, help='Revision since when to update')
    args = parser.parse_args()

    logging.basicConfig(level=logging.INFO, format='%(message)s')

    wt, subpath = WorkingTree.open_containing('.')
    if args.since:
        old_tree = RevisionSpec.from_string(args.since).as_tree(args.since)
    else:
        old_tree = wt.basis_tree()

    notes = update_packaging(wt, old_tree, subpath)
    for note in notes:
        logging.info('%s', note)


if __name__ == "__main__":
    import sys

    sys.exit(main())