tmux.conf

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n C-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind-key -n C-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind-key -n C-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind-key -n C-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind-key -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"
bind-key -T copy-mode-vi C-h select-pane -L
bind-key -T copy-mode-vi C-j select-pane -D
bind-key -T copy-mode-vi C-k select-pane -U
bind-key -T copy-mode-vi C-l select-pane -R
bind-key -T copy-mode-vi C-\ select-pane -l
bind-key C-h split-window -h -c "#{pane_current_path}" \; swap-pane -U
bind-key C-l split-window -h -c "#{pane_current_path}"
bind-key C-k split-window -v -c "#{pane_current_path}" \; swap-pane -U
bind-key C-j split-window -v -c "#{pane_current_path}"

# Use vim keybindings in copy mode
setw -g mode-keys vi

# Fix OS X copy+paste issues. See: https://github.com/tmux/tmux/issues/543#issuecomment-298193820
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# Fix issue with pressing the escape key being slow on neovim
# See: https://github.com/neovim/neovim/issues/2035
set -sg escape-time 0

set -g mouse on