#!/bin/sh
/bin/tmate -S /tmp/tmate.sock new-session -d               # Launch tmate in a detached state
/usr/bin/timeout -t 20 /bin/tmate -S /tmp/tmate.sock wait tmate-ready             # Blocks until the SSH connection is established
/bin/tmate -S /tmp/tmate.sock display -p '#{tmate_ssh}'    # Prints the SSH connection string