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Yocto AB reproducible build output compare
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#! /usr/bin/env python3 | |
# Copyright 2020 Joshua Watt | |
# | |
# Redistribution and use in source and binary forms, with or without | |
# modification, are permitted provided that the following conditions are met: | |
# | |
# 1. Redistributions of source code must retain the above copyright notice, | |
# this list of conditions and the following disclaimer. | |
# | |
# | |
# 2. 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. | |
# | |
# 3. Neither the name of the copyright holder 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 HOLDER 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. | |
import argparse | |
import subprocess | |
import sys | |
import os | |
import shutil | |
THIS_DIR = os.path.abspath(os.path.dirname(__file__)) | |
def main(): | |
parser = argparse.ArgumentParser(description="Process reproducible build output from autobuilder") | |
parser.add_argument("number", help="Build number") | |
parser.add_argument("--force-fetch", action="store_true", help="Force fetching, even if it looks like it's already been done") | |
parser.add_argument("--force-diff", action="store_true", help="Rerun diff, even if it looks like it's already been done") | |
args = parser.parse_args() | |
target = "autobuilder.yocto.io/pub/repro-fail/build-st-%s/" % args.number | |
dest_dir = os.path.join(THIS_DIR, target) | |
if os.path.exists(dest_dir) and not args.force_fetch: | |
print("It looks like %s has been downloaded already. Skipping fetch" % args.number) | |
else: | |
subprocess.run(['wget', "--no-clobber", "--convert-links", "--random-wait", "--no-parent", "-r", "-p", "--level=10", "-E", "-e", "robots=off", "-U", "mozilla", "https://%s" % target], check=True, cwd=THIS_DIR) | |
delete_files = set() | |
for root, dirs, files in os.walk(dest_dir): | |
for f in files: | |
if f.endswith('.html') or f.endswith('.htm'): | |
delete_files.add(os.path.join(root, f)) | |
for f in delete_files: | |
os.unlink(f) | |
diff_dir = os.path.join(dest_dir, 'diff') | |
if os.path.exists(diff_dir) and not args.force_diff: | |
print("It looks like %s has already been compared. Skipping diff" % args.number) | |
else: | |
if os.path.exists(diff_dir): | |
shutil.rmtree(diff_dir) | |
os.mkdir(diff_dir) | |
subprocess.run(['diffoscope', '--no-default-limits', '--exclude-directory-metadata', '--progress', '--html-dir', diff_dir, 'reproducibleA', 'reproducibleB'], cwd=dest_dir) | |
subprocess.run(['firefox', 'file://%s' % os.path.join(diff_dir, 'index.html')]) | |
if __name__ == "__main__": | |
sys.exit(main()) |
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