tmux.conf

# Set colors
set-option -g default-terminal "screen-256color"
set -ga terminal-overrides ",xterm-256color:Tc"

# Set reload key to r
bind r source-file ~/.tmux.conf

# Count sessions starting at 1
set -g base-index 1

# Use vim bindings
setw -g mode-keys vi

# Use a much bigger scrollback buffer
set-option -g history-limit 50000

# Remap window navigation to vim
unbind-key j
bind-key j select-pane -D
unbind-key k
bind-key k select-pane -U
unbind-key h
bind-key h select-pane -L
unbind-key l
bind-key l select-pane -R

# Use prefix a to toggle binding input to all panes
bind-key a set-window-option synchronize-panes

# Smart pane switching with awareness of vim splits
is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
bind C-l send-keys 'C-l' # Use <prefix> C-l to clear screen

# Remove the annoying delay after hitting escape, (like in vim)
set -sg escape-time 0

set -g mouse on

set -g default-command ${SHELL}