From dbec5693394051182d55aa3c6117646957e02c0e Mon Sep 17 00:00:00 2001
From: Pratham Patel <thefirst1322@gmail.com>
Date: Sat, 29 Jul 2023 14:25:27 +0530
Subject: [PATCH] update create-image.sh to fail early

---
 create-image.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/create-image.sh b/create-image.sh
index c4a1119..80ecaf2 100755
--- a/create-image.sh
+++ b/create-image.sh
@@ -8,7 +8,17 @@ IMAGE_NAME="${APPLIANCE_NAME}-$(TZ='UTC' date +%Y.%m.%d-%H%M%S).raw"
 COMPRESSED_IMAGE_NAME="${IMAGE_NAME}.zst"
 
 if [[ ${EUID} -ne 0 ]]; then
-    >&2 echo "ERROR: Please run this script as root"
+    >&2 echo "$0: error: Please run this script as root"
+    exit 1
+fi
+
+if ! command -v appliance-creator > /dev/null; then
+    >&2 echo "$0: error: unable to find command 'appliance-creator'"
+    exit 1
+fi
+
+if ! command -v shasum > /dev/null; then
+    >&2 echo "$0: error: unable to find command 'shasum'"
     exit 1
 fi