nixos-systems/configs/tmux/tmux.conf

set-option -g default-command /run/current-system/sw/bin/fish

bind-key h select-pane -L
bind-key j select-pane -D
bind-key k select-pane -U
bind-key l select-pane -R

# nested tmux, obey me
bind-key a send-prefix

# Avoid the annoying bit of delay when using the control character
set -g escape-time 0
set -g renumber-windows on

# Show a visual bell, even on other windows
#set-window-option -g visual-bell both
#set-window-option -g bell-action any
#set-hook -g alert-bell "run-shell '~/.config/tmux/bell.sh \"#S\" \"#W\"'"

# Set up the window visuals
set -g window-status-style bg=yellow
set -g window-status-current-style bg=red,fg=white

# Set the window title
set-option -g set-titles on
set-option -g set-titles-string "#{host} #{window_name} #{pane_title}"