_tmux.conf

# Ctrl-a
unbind C-b
set -g prefix C-a

# split windows using the current path
bind s split-window -v -c '#{pane_current_path}'
bind v split-window -h -c '#{pane_current_path}'

# move around panes with hjkl
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# more scrollback history
set -g history-limit 100000

# vi-style controls for copy mode
set -g mode-keys vi

# enable mouse support
set -g mouse on

# prevent accidental exit by ctrl-D: http://superuser.com/a/479614
set-environment -g 'IGNOREEOF' 1

# change pane border colors
set -g pane-border-fg black
set -g pane-active-border-fg brightred

# show current path on status
set -g status-right-length 50
set -g status-right '#[fg=yellow,bg=black,bold] #(PCP=#{pane_current_path}; echo ${PCP/##$HOME/"~"}) '

# vi-style select (with v) and yank (with y), to system clipboard
bind -t vi-copy v begin-selection
bind -t vi-copy y copy-pipe 'xclip -in -selection clipboard'
bind -t vi-copy Enter copy-pipe 'xclip -in -selection clipboard'