$ doco exec swh-loader /bin/bash
swh@2d4da9949cde:/$ swh loader run mercurial https://mercurial-scm.org/repo/hello
INFO:swh.loader.mercurial.Bundle20Loader:Load origin 'https://mercurial-scm.org/repo/hello' with type 'hg'
{'status': 'eventful'}
swh@2d4da9949cde:/$