From ad539bea717c8e8cbfeb1f141a02ad288ec2442a Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Tue, 19 Dec 2023 18:08:53 +0100
Subject: [PATCH] new: [0km] check for existence of ``rrdtool`` or hint for a
 way to install it

---
 bin/0km | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/bin/0km b/bin/0km
index e1171e6..085e75b 100755
--- a/bin/0km
+++ b/bin/0km
@@ -1337,6 +1337,15 @@ cmdline.spec::cmd:vps-stats:run() {
         echo ""
         return 1
     } >&2
+    ( depends rrdtool ) || {
+        echo ""
+        echo "  Rrdtool is required to display graphs..." \
+             "You might want to try to install ${WHITE}rrdtool${NORMAL} with:"
+        echo ""
+        echo "    apt install rrdtool"
+        echo ""
+        return 1
+    } >&2
 
     export GNUTERM=qt
     exec {PFD}> >(exec gnuplot 2>/dev/null)