From a5f1ea13584ad125accc7530325e9876f6c5075f Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Fri, 3 Jul 2026 12:05:45 +0100
Subject: [PATCH] copes with empty var values

---
 install.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index e923822..de597bb 100644
--- a/install.sh
+++ b/install.sh
@@ -97,7 +97,8 @@ do
       fi
     fi
 
-    echo "${var_name}=${!var_name}" >> /home/joeac.net/joeac.net/.env
+    var_value="$(expr "$(env | grep "^${var_name}=")" : "${var_name}=\(.*\)\$")"
+    echo "${var_name}=${var_value}" >> /home/joeac.net/joeac.net/.env
   fi
 done </home/joeac.net/joeac.net/example.env