From 7bca82505981c06b287cd3b378a113b1ca50c012 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 17 Jul 2018 21:56:13 +0200
Subject: [PATCH] Docker: Allow to use image like kas command

This adds a bit heuristic to the docker entrypoint in order to move our
API towards "docker run [...] kasproject/kas build kas.yml" - without
breaking existing users. And now you can also do

    docker run --rm kasproject/kas --version

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 docker-entrypoint | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/docker-entrypoint b/docker-entrypoint
index 3046325..4f9a7c5 100755
--- a/docker-entrypoint
+++ b/docker-entrypoint
@@ -29,7 +29,14 @@ fi
 
 cd /builder
 if [ -n "$1" ]; then
-	exec $GOSU "$@"
+	case "$1" in
+	build|shell|-*)
+		exec $GOSU kas "$@"
+		;;
+	*)
+		exec $GOSU "$@"
+		;;
+	esac
 else
 	exec $GOSU bash
 fi