Minimal vim inspired tmux conf for OSX

.tmux.conf

# Use ctrl-a for prefix
unbind C-b
set-option -g prefix C-a
bind C-a send-prefix

# OSX Fix copy and paste. If on ZSH replace bash with ZSH
set-option -g default-command "reattach-to-user-namespace -l bash"

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

# 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 

# Vim like navigation

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 :+

bind P paste-buffer
#bind-key -t vi-copy 'y' copy-selection
#bind-key -t vi-copy 'r' rectangle-toggle

# Visual mode entering
bind-key -Tcopy-mode-vi 'v' send -X begin-selection

# Yanking with reattach to user namespace to pbcopy
bind-key -Tcopy-mode-vi 'y' send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# Open files in vim
# DANGERZONE! tmux-open seems to be a nicer version of this
# but it didn't work for me and seems complex to setup.
bind -Tcopy-mode-vi  'o' send -X  copy-pipe-and-cancel "xargs -I{} tmux new-window 'vim {}'"


# This seems unnecessary
#bind-key -t vi-copy 'j' page-up
#bind-key -t vi-copy 'k' page-down
#bind-key -t vi-copy 'v' begin-selection                  
#bind-key -t vi-copy 'y' copy-selection

# 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"