gem5/util/git-pre-commit.py
Jason Lowe-Power 87b9f0b87b misc: Update #!env calls for python to explicit version
In some newer Linux distributions, env python default to Python 3.0. This
patch explicitly uses "python2" instead of just "python" for all scripts
that use #!

Reported-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
2017-02-10 10:00:18 -05:00

116 lines
4.4 KiB
Python
Executable file

#!/usr/bin/env python2
#
# Copyright (c) 2016 ARM Limited
# All rights reserved
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Andreas Sandberg
from tempfile import TemporaryFile
import os
import subprocess
import sys
from style.repo import GitRepo
from style.verifiers import all_verifiers, all_regions
from style.style import StdioUI, check_ignores
import argparse
parser = argparse.ArgumentParser(
description="gem5 git style checker hook")
parser.add_argument("--verbose", "-v", action="store_true",
help="Produce verbose output")
args = parser.parse_args()
git = GitRepo()
opts = {}
repo_base = git.repo_base()
ui = StdioUI()
os.chdir(repo_base)
failing_files = set()
staged_mismatch = set()
for status, fname in git.status(filter="MA", cached=True):
if args.verbose:
print "Checking %s..." % fname
if check_ignores(fname):
continue
if status == "M":
regions = git.staged_regions(fname)
else:
regions = all_regions
# Show they appropriate object and dump it to a file
status = git.file_from_index(fname)
f = TemporaryFile()
f.write(status)
verifiers = [ v(ui, opts, base=repo_base) for v in all_verifiers ]
for v in verifiers:
f.seek(0)
# It is prefered that the first check is silent as it is in the
# staged file. If the check fails, then we will do it non-silently
# on the current file, reporting meaningful shortcomings
if not v.skip(fname) and v.check(fname, regions, fobj=f, silent=True):
failing_files.add(fname)
if not v.check(fname, regions):
staged_mismatch.add(fname)
f.close()
if failing_files:
if len(failing_files) > len(staged_mismatch):
print >> sys.stderr
print >> sys.stderr, "Style checker failed for the following files:"
for f in failing_files:
if f not in staged_mismatch:
print >> sys.stderr, "\t%s" % f
print >> sys.stderr
print >> sys.stderr, \
"Please run the style checker manually to fix the offending files.\n" \
"To check your modifications, run: util/style.py -m"
print >> sys.stderr
if staged_mismatch:
print >> sys.stderr, \
"It looks like you have forgotten to stage your fixes for commit in\n"\
"the following files: "
for f in staged_mismatch:
print >> sys.stderr, "\t%s" % f
print >> sys.stderr, "Please `git --add' them"
sys.exit(1)