$ git clone -n https://src.fedoraproject.org/rpms/jsoup.git /var/lib/mock/f40-build-2263663-54535/root/chroot_tmpdir/scmroot/jsoup
Cloning into '/var/lib/mock/f40-build-2263663-54535/root/chroot_tmpdir/scmroot/jsoup'...
$ git fetch origin 1c7dd764f4dae65bcfdd776086c42f911c03be61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsoup
 * [new ref]         1c7dd764f4dae65bcfdd776086c42f911c03be61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c7dd76 Get rid of module_prefix macro