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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}'!")
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