$ git clone -n https://src.fedoraproject.org/rpms/amarok.git /var/lib/mock/f40-build-2720930-73072/root/chroot_tmpdir/scmroot/amarok
Cloning into '/var/lib/mock/f40-build-2720930-73072/root/chroot_tmpdir/scmroot/amarok'...
$ git fetch origin 4cd84c70123a2a9afd6a9b4abf3cba121811e71c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/amarok
 * [new ref]         4cd84c70123a2a9afd6a9b4abf3cba121811e71c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cd84c7 feat: update to latest snapshot