ssh.py - mozsearch

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at https://mozilla.org/MPL/2.0/.

import subprocess

def get_ssh_user(host="hg.mozilla.org"):

    ssh_config = subprocess.run(

        ["ssh", "-G", host],

        text=True,

        check=True,

        capture_output=True,

    ).stdout

    lines = [l.strip() for l in ssh_config.splitlines()]

    for line in lines:

        if not line:

            continue

        key, value = line.split(" ", 1)

        if key.lower() == "user":

            return value

    raise Exception(f"Could not detect ssh user for '{host}'!")