tmux.conf

new-session -s Default

set-option -g default-shell $SHELL
set -g default-terminal "screen-256color"

set -g update-environment "SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION"

# Status bar
set -g status-bg black
set -g status-fg white
set -g status-interval 5
set -g status-left-length 50
set -g status-left "#[fg=green][#I:#P #W] #(whoami)@#(hostname -s)"
set -g status-right "#[fg=colour45]%a %d/%m %H:%M#[fg=default]"

# remap prefix to Control + a
set -g prefix C-a
unbind C-b
bind C-a send-prefix

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

# Vim-aware split navigation
#bind -n C-h run '(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-h) || tmux select-pane -L'
#bind -n C-j run '(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-j) || tmux select-pane -D'
#bind -n C-k run '(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-k) || tmux select-pane -U'
#bind -n C-l run '(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys C-l) || tmux select-pane -R'
#bind -n C-\ run '(tmux display-message -p '#{pane_current_command}' | grep -iq vim && tmux send-keys 'C-\\') || tmux select-pane -l'

# 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 "$is_vim" "send-keys C-l" "select-pane -R"
bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

setw -g mode-keys vi
unbind Up
bind Up new-window -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp
unbind Down
bind Down last-window \; swap-pane -s tmp.1 \; kill-window -t tmp