#!/usr/bin/env python3
# Copyright (c) 2010 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Display log of checkins of one particular developer since a particular
date. Only works on git dependencies at the moment."""

import gclient_utils
import optparse
import os
import re
import subprocess
import sys


def show_log(path, authors, since='1 week ago'):
    """Display log in a single git repo."""

    author_option = ' '.join(['--author=' + author for author in authors])
    command = ' '.join([
        'git log', author_option,
        '--since="%s"' % since, 'origin/HEAD', '| git shortlog'
    ])
    status = subprocess.Popen(['sh', '-c', command],
                              cwd=path,
                              stdout=subprocess.PIPE).communicate()[0].rstrip()

    if len(status.splitlines()) > 0:
        print('---------- %s ----------' % path)
        print(status)


def main():
    """Take no arguments."""

    option_parser = optparse.OptionParser()
    option_parser.add_option("-a", "--author", action="append", default=[])
    option_parser.add_option("-s", "--since", default="1 week ago")
    options, args = option_parser.parse_args()

    root, entries = gclient_utils.GetGClientRootAndEntries()

    # which entries map to a git repos?
    paths = [k for k, v in entries.items() if not re.search('svn', v)]
    paths.sort()

    for path in paths:
        dir = os.path.normpath(os.path.join(root, path))
        show_log(dir, options.author, options.since)


if __name__ == '__main__':
    main()