$ git clone -n https://src.fedoraproject.org/rpms/alchemyquest.git /var/lib/mock/f41-build-side-1-2631513-25716/root/chroot_tmpdir/scmroot/alchemyquest
Cloning into '/var/lib/mock/f41-build-side-1-2631513-25716/root/chroot_tmpdir/scmroot/alchemyquest'...
$ git fetch origin 548106d8ef7d57b10da75553b98df084b3b52dd2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alchemyquest
 * [new ref]         548106d8ef7d57b10da75553b98df084b3b52dd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 548106d convert license to SPDX