From a6ec7718ab1c38dc688b289a4233c536f64a0e10 Mon Sep 17 00:00:00 2001
From: Dmitry Badovsky <dbadovsky@gmail.com>
Date: Tue, 28 Oct 2025 16:51:24 +0000
Subject: [PATCH] Update vmcreate.sh

---
 vmcreate.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vmcreate.sh b/vmcreate.sh
index 02bfcdd..e7c2136 100644
--- a/vmcreate.sh
+++ b/vmcreate.sh
@@ -227,6 +227,10 @@ if [ $pubkey ]; then
 else
     read -p "Public key not specified. Use default? Enter to continue or Ctrl+C to abort"
 fi
+if [[ (head -c 7 "$pubkey") -ne "ssh-rsa" ]]; then
+    echo "$pubkey is not a valid public key. Make sure you specified PUBLIC key."
+    exit 6
+fi
 
 # Проверяем, что нет ВМ в списке и нет сниппетов
 for line in $(cat hosts.tmp)