improve logging a bit

main.py

@@ -21,6 +21,27 @@ def main():
 		help="Verbose/Debug logging mode"
 	)
 	
+	parser.add_argument(
+		"--systemd",
+		default=False,
+		dest="systemd",
+		action="store_true",
+		help=(
+			"Pass if this program will be spawned inside systemd"
+			" or another system that already adds timestamps to log messages."
+		)
+	)
+	
+	parser.add_argument(
+		"--syslog", "--write-to-syslog",
+		default=False,
+		dest="write_to_syslog",
+		action="store_true",
+		help=(
+			"Pass if you'd like this program to write to syslog."
+		)
+	)
+	
 	parser.add_argument(
 		"--config", "-c",
 		dest="config_files",
@@ -40,7 +61,9 @@ def main():
 	args = parser.parse_args()
 	
 	rotator = BackupRotator(
-		debug=args.debug
+		debug=args.debug,
+		systemd=args.systemd,
+		write_to_syslog=args.write_to_syslog,
 	)
 	rotator.run(
 		configs=args.config_files,