.tmux.conf

unbind C-b
set -g prefix C-a
bind C-a send-prefix

# Copy-paste integration
set-option -g default-command "reattach-to-user-namespace -l bash"

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

# 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"

# Navigate panes like Vim.
bind -r h select-pane -L
bind -r j select-pane -D
bind -r k select-pane -U
bind -r l select-pane -R

# Smart pane switching with awareness of vim splits
bind -n C-k run-shell 'tmux-vim-select-pane -U'
bind -n C-j run-shell 'tmux-vim-select-pane -D'
bind -n C-h run-shell 'tmux-vim-select-pane -L'
bind -n C-l run-shell 'tmux-vim-select-pane -R'
bind -n "C-\\" run-shell 'tmux-vim-select-pane -l'

# Bring back clear screen under tmux prefix
bind C-l send-keys 'C-l'