api: add broken apt packages check to is_supported_system

api

@@ -2630,6 +2630,12 @@ All apt based application installs will fail. Unless you have a backup of your /
 Pi-Apps does NOT support systems without ALL of $__os_codename, $__os_codename-updates, and $__os_codename-security dists present in the sources.list
 Please refer to the default sources.list for Ubuntu and restore all required dists."
     return 1
+  elif ! apt-get --dry-run check &>/dev/null ; then
+    echo "Congratulations, Linux tinkerer, you broke your system. There are packages on your system that are in a broken state.
+Refer to the output below for any potential solutions.
+
+$(apt-get --dry-run check)"
+    return 1
   elif [ "$(df -a / -B 1 --output=avail | tail -1 | tr -d ' ')" -lt $((500*1024*1024)) ];then
     echo "Your system drive has less than 500MB of free space. Watch out for "\""disk full"\"" errors."
     return 1