tmux.conf

# screen style prefix
set-option -g prefix C-a
unbind-key C-b
bind-key a send-prefix

# improve colors
set -g default-terminal 'screen-256color'

# act like vim
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+

set -g prefix2 C-s

# title bar
set -g set-titles on
set-option -g set-titles-string '#H:#S.#I.#P #W'

# alternative keys to split windows
bind-key | split-window -h
bind-key - split-window -v

# mouse mode
set -g mouse on

# start window numbers at 1 to match keyboard order with tmux window order
set -g base-index 1
set-window-option -g pane-base-index 1

# renumber windows sequentially after closing any of them
set -g renumber-windows on

# soften status bar color from harsh green to light gray
set -g status-bg '#666666'
set -g status-fg '#aaaaaa'

# remove administrative debris (session name, hostname, time) in status bar
set -g status-left ''
set -g status-right ''

# increase scrollback lines
set -g history-limit 10000

# prefix -> back-one-character
bind-key C-b send-prefix
# prefix-2 -> forward-incremental-history-search
bind-key C-s send-prefix -2

# Local config
if-shell "[ -f ~/.tmux.conf.local ]" 'source ~/.tmux.conf.local'