$ git clone -n https://src.fedoraproject.org/rpms/dtkmultimedia.git /var/lib/mock/f41-build-837130-158982/root/chroot_tmpdir/scmroot/dtkmultimedia
Cloning into '/var/lib/mock/f41-build-837130-158982/root/chroot_tmpdir/scmroot/dtkmultimedia'...
$ git fetch origin 6a4e9c59236faa849de382433d7bcf802ce50f90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkmultimedia
 * [new ref]         6a4e9c59236faa849de382433d7bcf802ce50f90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a4e9c5 Update to 1.0.7 upstream release