tmux_update_display

#!/bin/bash
#
# tmux_update_display -- Update DISPLAY env var in tmux session
#
# Usage: source tmux_update_display
#

main()
{
    local new_display="$(tmux show-env | sed -n 's/^DISPLAY=//p')"
    echo "DISPLAY: '${DISPLAY}' -> '${new_display}'"
    export DISPLAY="${new_display}"
}

main "${@}"