$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/tmt.git /var/lib/mock/f42-build-59068468-6570793/root/chroot_tmpdir/scmroot/tmt
Cloning into '/var/lib/mock/f42-build-59068468-6570793/root/chroot_tmpdir/scmroot/tmt'...
$ git fetch origin 996538aa452acbe4a4ef6b64815b97a6e699fcf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/tmt
 * [new ref]         996538aa452acbe4a4ef6b64815b97a6e699fcf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 996538a Update to 1.47.0 upstream release