session reload fork and kill on exit

lib/install.sh

@@ -12,11 +12,6 @@ NEW_GROUP=lxd
 readonly NEW_GROUP EXPANDED_CONF
 
 on_exit() {
-    if [[ "$SESSION_RELOAD_REQUIRED" == true ]]; then
-        echo "======================================================"
-        echo "Session Reload is required (due to new group <$NEW_GROUP>)"
-        echo "======================================================"
-    fi
     if [ -n "${1:-}" ]; then
         echo "Aborted by $1"
     elif [ "${status:-}" -ne 0 ]; then
@@ -32,8 +27,12 @@ function prepare_lxd {
         echo "define lxd and assign to user <$USER>"
         sudo groupadd --force "$NEW_GROUP"
         sudo usermod --append --groups "$NEW_GROUP" "$(whoami)"
-        exec sg "$NEW_GROUP" -c "$0 SESSION_RELOAD_REQUIRED $TARGET $@"
+
+        sg "$NEW_GROUP" -c "$0 SESSION_RELOAD_REQUIRED $TARGET $@"
+        sg "$NEW_GROUP" -c bash
+        kill -9 "$PPID"
         # no further processing because exec has been called!
+
     else
         echo "user <$USER> already belongs to group <lxd>!"
     fi
@@ -432,10 +431,9 @@ else
     extra_dev_desktop
 
     if [[ "$SESSION_RELOAD_REQUIRED" == true ]]; then
-        echowarn "current session has been reloaded, due to new group <$NEW_GROUP>."
-        echowarn "be aware to exit twice or fully disconnect/reconnect to take advantage of new group <$NEW_GROUP>!"
         echoinfo "successful session installation"
-        sg $NEW_GROUP -c bash
+        echowarn "be aware: the current session has been reloaded, due to new group <$NEW_GROUP>."
+        echowarn "-> exit means kill!"
     else
         echoinfo "successful installation"
     fi