revamped auto tmux for other OSes like arch

.bashrc

@@ -289,7 +289,8 @@ alias shutdowncause="log show --predicate 'eventMessage contains \"Previous shut
 alias gl="glab"
 
 # PROPELLER TMUX SSH
-if [ -z "$TMUX" ] && [ $(dpkg-query -W -f='${Status}' tmux 2>/dev/null | grep -c "ok installed") -eq 1 ] && [ -n "$SSH_TTY" ] && [ -z "$NO_AUTO_TMUX" ] && [[ $- =~ i ]]
+#if [ -z "$TMUX" ] && [ $(dpkg-query -W -f='${Status}' tmux 2>/dev/null | grep -c "ok installed") -eq 1 ] && [ -n "$SSH_TTY" ] && [ -z "$NO_AUTO_TMUX" ] && [[ $- =~ i ]]
+if [ -z "$TMUX" ] && command -v tmux &> /dev/null && [ -n "$SSH_TTY" ] && [ -z "$NO_AUTO_TMUX" ] && [[ $- =~ i ]]
 	then
 	tmux attach-session -t $USER || tmux new-session -s $USER
 	exit