supermario/bin/deepen
2019-04-04 22:51:39 +08:00

74 lines
3.0 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
from os import path, makedirs, walk, listdir, remove
from shutil import copy, rmtree
from subprocess import run
def folder(default_search, user_input):
if path.sep in user_input:
return user_input
else:
the_path = path.dirname(path.dirname(path.abspath(__file__)))
the_path = path.join(the_path, default_search, user_input)
return the_path
parser = argparse.ArgumentParser(description='''
Expand a patchset into a git repository (based on git-am)
''')
parser.add_argument('patchset', metavar='PATCHSET', action='store', type=lambda x: folder('patchset', x), help='Patchset (assumed in ../patchset/)')
parser.add_argument('worktree', metavar='WORKTREE', action='store', type=lambda x: folder('worktree', x), help='Destination worktree (assumed in ../worktree/)')
group = parser.add_mutually_exclusive_group()
group.add_argument('--base', metavar='SRC', action='store', default='SuperMarioProj.1994-02-09', type=lambda x: folder('base', x), help='Base source tree (default=SuperMarioProj.1994-02-09, assumed in ../base/)')
group.add_argument('--base-commit', metavar='REV', action='store', help='Base commit')
parser.add_argument('--branch', metavar='BRANCH', action='store', default='master', help='Destination branch')
args = parser.parse_args()
assert path.exists(args.patchset)
assert not path.exists(path.join(args.patchset, '.git')) # protect against argument swap
horst = ['-c', 'user.name=Horst Beepmanh', '-c', 'user.email=<>']
makedirs(args.worktree, exist_ok=True)
run(['git', 'init'], cwd=args.worktree, check=True)
run(['git', 'checkout', '--orphan', args.branch], cwd=args.worktree, check=True)
# This cleans the working directory, because the manpage's suggestion `git rm -rf .` does not work
run(['git', 'reset'], cwd=args.worktree, check=True)
for do_delete in listdir(args.worktree):
if do_delete != '.git':
do_delete = path.join(args.worktree, do_delete)
try:
rmtree(do_delete)
except NotADirectoryError:
remove(do_delete)
if args.base_commit is not None:
run(['git', 'reset', '--hard', args.base_commit], cwd=args.worktree, check=True)
else:
for walk_base, walk_dirs, walk_files in walk(args.base):
walk_dirs[:] = [x for x in walk_dirs if not x.startswith('.')]
walk_files[:] = [x for x in walk_files if not x.startswith('.')]
other_dir = path.join(args.worktree, path.relpath(walk_base, args.base))
makedirs(other_dir, exist_ok=True)
for this_file in walk_files:
copy(path.join(walk_base, this_file), other_dir)
run(['git', 'add', '.'], cwd=args.worktree, check=True)
run(['git', *horst, 'commit', '-m', path.basename(args.base)], cwd=args.worktree, check=True)
run(['git', 'tag', args.branch+'-patchset-base'], cwd=args.worktree, check=True)
patchfiles = [path.join(args.patchset, x) for x in sorted(listdir(args.patchset)) if path.splitext(x)[1].lower() == '.patch']
run(['git', *horst, 'am', *patchfiles], cwd=args.worktree, check=True)