Patrick Lodder 7237da74b8
update inline copyright years
adds a line when no copyright for Dogecoin Core Developers exists
but the file has been edited by us, to the last year found in git
log, or extends the year range on an existing line when a file
has been modified since the year previously listed.

Excludes subtrees.
2024-02-25 13:12:26 -05:00

24 lines
699 B
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2021 The Bitcoin Core developers
# Copyright (c) 2023 The Dogecoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Common utility functions
'''
import shutil
import sys
import os
from typing import List
def determine_wellknown_cmd(envvar, progname) -> List[str]:
maybe_env = os.getenv(envvar)
maybe_which = shutil.which(progname)
if maybe_env:
return maybe_env.split(' ') # Well-known vars are often meant to be word-split
elif maybe_which:
return [ maybe_which ]
else:
sys.exit(f"{progname} not found")