From 49728fa7e3b2316b7cbe9225b292fdbe9e18f54a Mon Sep 17 00:00:00 2001
From: Michele Baldessari <michele@acksyn.org>
Date: Tue, 1 Aug 2023 09:11:14 +0200
Subject: [PATCH] Error out from load-iib when INDEX_IMAGES is undefined

If you call the load-iib target you *must* set INDEX_IMAGES, so
let's error out properly if you do not.

Tested as:

        $ unset INDEX_IMAGES
        $ make load-iib
        make -f common/Makefile load-iib
        make[1]: Entering directory '/home/michele/Engineering/cloud-patterns/multicloud-gitops'
        No INDEX_IMAGES defined. Bailing out

        $ export INDEX_IMAGES=foo
        make load-iib
        make -f common/Makefile load-iib
        make[1]: Entering directory '/home/michele/Engineering/cloud-patterns/multicloud-gitops'

        PLAY [IIB CI playbook] ***
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 83871b7e..d8182da6 100644
--- a/Makefile
+++ b/Makefile
@@ -67,6 +67,9 @@ load-iib: ## CI target to install Index Image Bundles
 		for IIB in $(shell echo $(INDEX_IMAGES) | tr ',' '\n'); do \
 			INDEX_IMAGE="$${IIB}" ansible-playbook common/ansible/playbooks/iib-ci/iib-ci.yaml; \
 		done; \
+	else \
+		echo "No INDEX_IMAGES defined. Bailing out"; \
+		exit 1; \
 	fi