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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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