From ef46c15f670b31e985e63506435fbaac928f2df8 Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Tue, 20 Jun 2023 20:01:43 -0400
Subject: [PATCH] Update pve8-upgrade.sh

remove -E option
---
 misc/pve8-upgrade.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/pve8-upgrade.sh b/misc/pve8-upgrade.sh
index eee49f87..db15e016 100644
--- a/misc/pve8-upgrade.sh
+++ b/misc/pve8-upgrade.sh
@@ -179,7 +179,7 @@ if ! command -v pveversion >/dev/null 2>&1; then
   exit
 fi
 
-if [ $(pveversion | grep -E "pve-manager/(7.4-13|7.4-14|7.4-15)" | wc -l) -ne 1 ]; then
+if [ $(pveversion | grep "pve-manager/(7.4-13|7.4-14|7.4-15)" | wc -l) -ne 1 ]; then
   header_info
   msg_error "This version of Proxmox Virtual Environment is not supported"
   echo -e "  PVE Version 7.4-13 or higher is required."