$ git clone -n https://src.fedoraproject.org/rpms/dtkmultimedia.git /var/lib/mock/f41-build-841758-161398/root/chroot_tmpdir/scmroot/dtkmultimedia
Cloning into '/var/lib/mock/f41-build-841758-161398/root/chroot_tmpdir/scmroot/dtkmultimedia'...
$ git fetch origin f18b154f0ca71947cc609c6b15274c27c0b22b3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkmultimedia
 * [new ref]         f18b154f0ca71947cc609c6b15274c27c0b22b3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f18b154 rebuild to fix 2304098