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1# SPDX-License-Identifier: GPL-2.0+
2# Copyright (c) 2012 The Chromium OS Authors.
3#
4
5import command
6import gitutil
7import os
8
9def FindGetMaintainer():
10    """Look for the get_maintainer.pl script.
11
12    Returns:
13        If the script is found we'll return a path to it; else None.
14    """
15    try_list = [
16        os.path.join(gitutil.GetTopLevel(), 'scripts'),
17        ]
18    # Look in the list
19    for path in try_list:
20        fname = os.path.join(path, 'get_maintainer.pl')
21        if os.path.isfile(fname):
22            return fname
23
24    return None
25
26def GetMaintainer(fname, verbose=False):
27    """Run get_maintainer.pl on a file if we find it.
28
29    We look for get_maintainer.pl in the 'scripts' directory at the top of
30    git.  If we find it we'll run it.  If we don't find get_maintainer.pl
31    then we fail silently.
32
33    Args:
34        fname: Path to the patch file to run get_maintainer.pl on.
35
36    Returns:
37        A list of email addresses to CC to.
38    """
39    get_maintainer = FindGetMaintainer()
40    if not get_maintainer:
41        if verbose:
42            print("WARNING: Couldn't find get_maintainer.pl")
43        return []
44
45    stdout = command.Output(get_maintainer, '--norolestats', fname)
46    lines = stdout.splitlines()
47    return [ x.replace('"', '') for x in lines ]
48