From 64cb3713aee93fb5261f4968baba332f377fac5d Mon Sep 17 00:00:00 2001
From: bmaltais <bernard@ducourier.com>
Date: Fri, 23 Jun 2023 17:10:20 -0400
Subject: [PATCH] More updates

---
 gui.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/gui.sh b/gui.sh
index 91c75e08d..a85f91eea 100755
--- a/gui.sh
+++ b/gui.sh
@@ -1,5 +1,15 @@
 #!/usr/bin/env bash
 
+# Checks to see if variable is set and non-empty.
+# This is defined first, so we can use the function for some default variable values
+env_var_exists() {
+  if [[ -n "${!1}" ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
 # Need RUNPOD to have a default value before first access
 RUNPOD=false
 if env_var_exists RUNPOD_POD_ID || env_var_exists RUNPOD_API_KEY; then