Use program's basename in usage line

2 files changed, 4 insertions, 2 deletions

diff --git a/src/scadere/check.py b/src/scadere/check.py
index a14543d..8c3e60b 100644
--- a/src/scadere/check.py
+++ b/src/scadere/check.py
@@ -8,6 +8,7 @@ from base64 import urlsafe_b64encode as base64
 from datetime import datetime, timedelta, timezone
 from email.utils import parsedate_to_datetime as parsedate
 from itertools import chain
+from os.path import basename
 from socket import AF_INET, socket
 from ssl import create_default_context as tls_context
 from sys import argv, stderr, stdout
@@ -81,7 +82,7 @@ def check(netlocs, after, output, fake_ca=None):
                       base64_from_str(ca), file=output)
 
 
-def main(prog=argv[0], arguments=argv[1:]):
+def main(prog=basename(argv[0]), arguments=argv[1:]):
     """Run TLS checker."""
     desc = ('Check TLS certificate expiration of HOST,'
             ' where PORT defaults to 443.\n\n'
diff --git a/src/scadere/listen.py b/src/scadere/listen.py
index 1ae7281..18f5323 100644
--- a/src/scadere/listen.py
+++ b/src/scadere/listen.py
@@ -10,6 +10,7 @@ from datetime import datetime, timezone
 from functools import lru_cache, partial
 from http import HTTPStatus
 from operator import call
+from os.path import basename
 from pathlib import Path
 from string import digits
 from typing import assert_never
@@ -298,7 +299,7 @@ def with_trailing_slash(base_url):
     return base_url if base_url.endswith('/') else f'{base_url}/'
 
 
-def main(prog=argv[0], arguments=argv[1:]):
+def main(prog=basename(argv[0]), arguments=argv[1:]):
     """Launch server."""
     desc = ('Serve at URL Atom feeds for TLS certificate renewal reminder.'
             '  It is possible for clients to filter domains'