From 6b52357dc755bb6b6ace8491dfd36ee8065e02e9 Mon Sep 17 00:00:00 2001
From: Henning Schild <henning.schild@siemens.com>
Date: Thu, 25 Feb 2021 20:42:27 +0100
Subject: [PATCH] kas-container: add an argument to get version information

This script is deployed in many copies, give people a way to identify
which one they have cached/installed.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
[Jan: simplify and use basename for the program]
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 kas-container | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kas-container b/kas-container
index b149c1c..bf58609 100755
--- a/kas-container
+++ b/kas-container
@@ -46,6 +46,7 @@ usage()
 	printf "%b" "--docker-args\t\tSame as --runtime-args (deprecated).\n"
 	printf "%b" "-d\t\t\tPrint debug output.\n"
 	printf "%b" "-v\t\t\tSame as -d (deprecated).\n"
+	printf "%b" "--version\t\tprint program version.\n"
 	printf "%b" "--ssh-dir\t\tDirectory containing SSH configurations.\n"
 	printf "%b" "\t\t\tAvoid \$HOME/.ssh unless you fully trust the " \
 		    "container.\n"
@@ -173,6 +174,10 @@ while [ $# -gt 0 ]; do
 		KAS_OPTIONS_DIRECT="${KAS_OPTIONS_DIRECT} -d"
 		shift 1
 		;;
+	--version)
+		echo "$(basename "$0") $KAS_IMAGE_VERSION_DEFAULT"
+		exit 0
+		;;
 	--*)
 		usage
 		;;