Hide Tmux status line by default

It can be toggled with CTRL+B + B, and it automatically shows when
multiple windows are open

.config/tmux/tmux.conf

@@ -40,3 +40,12 @@ source-file "${HOME}/.local/share/tmux/plugins/tmux-themepack/powerline/block/cy
 
 # Make bash the default shell
 set-option -g default-shell /bin/bash
+
+# Hide the status line
+set -g status off
+bind-key b set status
+
+# Don't display status line if only 1 window is open
+if -F "#{==:#{session_windows},1}" "set -g status off" "set -g status on"
+set-hook -g window-linked 'if -F "#{==:#{session_windows},1}" "set -g status off" "set -g status on"'
+set-hook -g window-unlinked 'if -F "#{==:#{session_windows},1}" "set -g status off" "set -g status on"'