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- #!/usr/bin/env python3
- """Compile source on a range of commits
- Usage:
- check-commits <start> <source>
- """
- import docopt, os, sys, tempfile
- from subprocess import check_call, check_output, run
- args = docopt.docopt(__doc__)
- start = args.get('<start>')
- source = args.get('<source>')
- cwd = os.getcwd()
- with tempfile.TemporaryDirectory() as work_dir:
- check_call(['git', 'clone', 'https://github.com/fmtlib/fmt.git'],
- cwd=work_dir)
- repo_dir = os.path.join(work_dir, 'fmt')
- commits = check_output(
- ['git', 'rev-list', f'{start}..HEAD', '--abbrev-commit',
- '--', 'include', 'src'],
- text=True, cwd=repo_dir).rstrip().split('\n')
- commits.reverse()
- print('Time\tCommit')
- for commit in commits:
- check_call(['git', '-c', 'advice.detachedHead=false', 'checkout', commit],
- cwd=repo_dir)
- returncode = run(
- ['c++', '-std=c++11', '-O3', '-DNDEBUG', '-I', 'include',
- 'src/format.cc', os.path.join(cwd, source)], cwd=repo_dir).returncode
- if returncode != 0:
- continue
- times = []
- for i in range(5):
- output = check_output([os.path.join(repo_dir, 'a.out')], text=True)
- times.append(float(output))
- message = check_output(['git', 'log', '-1', '--pretty=format:%s', commit],
- cwd=repo_dir, text=True)
- print(f'{min(times)}\t{commit} {message[:40]}')
- sys.stdout.flush()
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