hello: hello/reuse hello/reuse/concurrent
    echo "You just ran $(red 'hello') directly, then indirectly (via bake+bash; 6 times, concurrently!)"
hello/basic:
    sleep 2
    echo "[$(red $(uuidgen))] hello!"
hello/reuse:
    bake hello/basic

hello/reuse/concurrent:
    set -ex && \
        bake hello/reuse &
        bake hello/reuse &
        bake hello/reuse &
        bake hello/reuse &
        bake hello/reuse &
        bake hello/reuse