swap

#!/bin/bash
# Like hc's move command, but the moved window is replaced

function hc() {
    herbstclient "$@"
}

function lock() {
 hc lock
}
function unlock() {
  hc unlock
}

if [[ "$1" != "left" && "$1" != "right" && "$1" != "up" && "$1" != "down" ]]; then
  exit 1
fi

lock
trap unlock EXIT

# Get id of current window
prime_winid=$(hc attr clients.focus.winid)

# focus window to switch with
hc focus $1

if [ $? -ne 0 ]; then
  exit 1
fi

next_winid=$(hc attr clients.focus.winid)

layout=$(hc dump)
echo "$layout"
hc load "$(echo "$layout" | sed -e "s/$prime_winid/TOKEN/g; s/$next_winid/$prime_winid/g; s/TOKEN/$next_winid/g")"

unlock