tmux_fixups.sh

#!/bin/bash


command_exists() {
   local command="$1"
   type "$command" >/dev/null 2>&1
}

#TODO: these really should be a part of the tmux-yank plugin
clipboard_copy_command() {
   if [ -f /mnt/c/Windows/System32/clip.exe ]; then
      #WSL
      echo "/mnt/c/Windows/System32/clip.exe"
   elif command_exists "xclip"; then
      echo "xclip -i -selection clipboard" # For Linux
   elif command_exists "xsel"; then
      echo "xsel -i --clipboard" # For Linux (fallback -- its slower)
   elif command_exists "putclip"; then
      echo "putclip" #For cygwin
   else
      echo "pbcopy" #For MAC
   fi
}

clipboard_paste_command() {
   if [ -f /mnt/c/Windows/System32/paste.exe ]; then
      #WSL
      echo "/mnt/c/Windows/System32/paste.exe | sed 's/\r//'"
   elif command_exists "xclip"; then
       echo "xclip -o -selection clipboard" #linux
   elif command_exists "xsel"; then
      echo "xsel" #linux (fallback -- its slower)
   elif command_exists "putclip"; then
       echo "getclip" #For cygwin
   else
       echo "pbpaste" #For MAC
   fi
}


#Copy from terminal using the mouse to select
COPY_CMD=$(clipboard_copy_command)
if [ -z "$COPY_CMD" ]; then
   tmux bind-key -T copy-mode-vi "p" "tmux display-message 'Error! copy command not installed'"
else
   #Use "y" to yank selection
   tmux bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "tmux save-buffer - | ${COPY_CMD}"
   #End mouse drag copies also
   tmux bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "tmux save-buffer - | ${COPY_CMD}"
fi

#Allow pasting from system clipboard
PASTE_CMD=$(clipboard_paste_command)
if [ -z "$PASTE_CMD" ]; then
   tmux bind-key -T prefix ] run "tmux display-message 'Error! paste command not installed'"
else
   tmux bind-key -T root MouseDown3Pane run "tmux set-buffer \"\$(${PASTE_CMD})\" && tmux paste-buffer"
   tmux bind-key -T prefix ] run "tmux set-buffer \"\$(${PASTE_CMD})\" && tmux paste-buffer"
fi