tmux.conf

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

# fix pbpaste/pbcopy
# set-option -g default-command "reattach-to-user-namespace -l zsh"

# 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 :+

# start window numbers at 1 to match keyboard order with tmux window order
set -g 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

# switch to last pane
bind-key C-a last-pane

# Setup 'v' to begin selection as in Vim
bind-key -t vi-copy v begin-selection
# bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
# bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"

# use C-a to go to beginning of line
bind C-a send-prefix

# Highlight active window
set-window-option -g window-status-current-bg blue

# mouse behavior
set-option -g mouse on

# moving windows
bind-key -n C-S-Left swap-window -t -1
bind-key -n C-S-Right swap-window -t +1

# Set the title of the current window to something descriptive
set-option -g set-titles on
set-option -g set-titles-string '"#S"' # window number,program name, active(or not)