114 lines
3.1 KiB
Text
114 lines
3.1 KiB
Text
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#!/usr/bin/python3
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import argparse
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import contextlib
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import os
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import shutil
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import subprocess
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import sys
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def format_title(title):
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box = {
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'tl': '╔', 'tr': '╗', 'bl': '╚', 'br': '╝', 'h': '═', 'v': '║',
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}
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hline = box['h'] * (len(title) + 2)
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return '\n'.join([
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f"{box['tl']}{hline}{box['tr']}",
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f"{box['v']} {title} {box['v']}",
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f"{box['bl']}{hline}{box['br']}",
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])
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def rm_rf(path):
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try:
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shutil.rmtree(path)
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except FileNotFoundError:
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pass
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def sanitize_path(name):
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return name.replace('/', '-')
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def get_current_revision():
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revision = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD'],
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encoding='utf-8').strip()
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if revision == 'HEAD':
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# This is a detached HEAD, get the commit hash
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revision = subprocess.check_output(['git', 'rev-parse', 'HEAD']).strip().decode('utf-8')
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return revision
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@contextlib.contextmanager
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def checkout_git_revision(revision):
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current_revision = get_current_revision()
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subprocess.check_call(['git', 'checkout', '-q', revision])
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try:
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yield
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finally:
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subprocess.check_call(['git', 'checkout', '-q', current_revision])
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def build_install(revision):
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build_dir = '_build'
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dest_dir = os.path.abspath(sanitize_path(revision))
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print(format_title(f'# Building and installing {revision} in {dest_dir}'),
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end='\n\n', flush=True)
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with checkout_git_revision(revision):
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rm_rf(build_dir)
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rm_rf(revision)
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subprocess.check_call(['meson', build_dir,
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'--prefix=/usr', '--libdir=lib',
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'-Dx11-examples=false', '-Ddoc=false', '-Dgtk-examples=false'])
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subprocess.check_call(['ninja', '-v', '-C', build_dir])
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subprocess.check_call(['ninja', '-v', '-C', build_dir, 'install'],
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env={'DESTDIR': dest_dir})
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return dest_dir
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def compare(old_tree, new_tree):
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print(format_title(f'# Comparing the two ABIs'), end='\n\n', flush=True)
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old_headers = os.path.join(old_tree, 'usr', 'include')
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old_lib = os.path.join(old_tree, 'usr', 'lib', 'libfprint.so')
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new_headers = os.path.join(new_tree, 'usr', 'include')
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new_lib = os.path.join(new_tree, 'usr', 'lib', 'libfprint.so')
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subprocess.check_call([
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'abidiff', '--headers-dir1', old_headers, '--headers-dir2', new_headers,
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'--drop-private-types', '--fail-no-debug-info', '--no-added-syms', old_lib, new_lib])
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('old', help='the previous revision, considered the reference')
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parser.add_argument('new', help='the new revision, to compare to the reference')
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args = parser.parse_args()
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if args.old == args.new:
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print("Let's not waste time comparing something to itself")
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sys.exit(0)
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old_tree = build_install(args.old)
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new_tree = build_install(args.new)
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try:
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compare(old_tree, new_tree)
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except Exception:
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sys.exit(1)
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print(f'Hurray! {args.old} and {args.new} are ABI-compatible!')
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