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#! /usr/bin/env python3
# Copyright (C) 2025 Free Software Foundation, Inc.
# 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 3 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, see <http://www.gnu.org/licenses/>.
import re
import subprocess
import sys
re_clean = re.compile(
"(^(gdb/testsuite/|gdbsupport/|gdbserver/)|[.](m4|ac|def|[chly])$|NEWS)"
)
re_clean_exclude = re.compile("^(gdb/symfile.c|gdb/cli/cli-cmds.c)$")
clean = []
other = []
for f in sys.argv[1:]:
m = re_clean.search(f)
if m and re_clean_exclude.search(f):
m = None
if m:
clean.append(f)
else:
other.append(f)
if other:
cmd = ["git", "--no-pager", "diff", "--staged", "--check"] + other
res = subprocess.run(cmd)
if res.returncode != 0:
sys.exit(res.returncode)
if clean:
cmd = ["git", "hash-object", "-t", "tree", "/dev/null"]
res = subprocess.run(cmd, capture_output=True, text=True)
if res.returncode != 0:
sys.exit(res.returncode)
null_tree = res.stdout.rstrip("\n")
cmd = ["git", "diff-index", "--cached", "--check", null_tree] + clean
res = subprocess.run(cmd)
sys.exit(res.returncode)
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