[tmux] Allow cross-ssh copying

tmux/.tmux.conf

@@ -1,4 +1,4 @@
-set-environment -g PATH "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
+set-environment -g PATH "$HOME/dotfiles/scripts:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
 set -g default-terminal "xterm-256color"
 
 set -g history-limit 20000
@@ -59,6 +59,11 @@ set-window-option -g mode-keys vi
 set-option -s set-clipboard on
 set -g @yank_with_mouse off
 set -g @yank_action 'copy-pipe'
+bind-key -Tcopy-mode-vi 'C-right' send -X next-word
+bind-key -Tcopy-mode-vi 'C-left' send -X previous-word
+unbind-key -T copy-mode-vi MouseDragEnd1Pane
+# Allow copy across SSH
+set -g @override_copy_command 'yank > #{pane_tty}'
 
 if '[ `uname` == Darwin ]' \
     'source-file ~/.tmux/.mac_config'