From ffd98e3780479b45921b542e27c73da5e485a7f8 Mon Sep 17 00:00:00 2001
From: Carlos Chulo <9343504+cchulo@users.noreply.github.com>
Date: Tue, 11 Jul 2023 22:42:11 -0700
Subject: [PATCH] Fixes error with enabling systemd-sysext a second time

---
 tailscale.sh | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tailscale.sh b/tailscale.sh
index 4640c3f..e2612d3 100644
--- a/tailscale.sh
+++ b/tailscale.sh
@@ -53,12 +53,20 @@ cp -rf tailscale /var/lib/extensions/
 popd > /dev/null
 rm -rf "${dir}"
 
-systemctl enable systemd-sysext --now
+if systemctl is-enabled --quiet systemd-sysext && systemctl is-active --quiet systemd-sysext; then
+  echo "systemd-sysext is already enabled and active"
+else
+  systemctl enable systemd-sysext --now
+fi
 
 systemd-sysext refresh > /dev/null 2>&1
 systemctl daemon-reload > /dev/null
 
-systemctl enable tailscaled --now
+if systemctl is-enabled --quiet systemd-sysext && systemctl is-active --quiet systemd-sysext; then
+  echo "tailscaled is already active"
+else
+  systemctl enable tailscaled --now
+fi
 
 echo "done."
-echo "If updating, reboot or run the following to finish the process: sudo systemctl restart tailscaled"
\ No newline at end of file
+echo "If updating, reboot or run the following to finish the process: sudo systemctl restart tailscaled"