$ git clone -n https://src.fedoraproject.org/rpms/gsound.git /var/lib/mock/f40-build-2171905-51046/root/chroot_tmpdir/scmroot/gsound
Cloning into '/var/lib/mock/f40-build-2171905-51046/root/chroot_tmpdir/scmroot/gsound'...
$ git fetch origin e774a2fe048dc87c2bf3a37f1f9de7b0a5f60120:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gsound
 * [new ref]         e774a2fe048dc87c2bf3a37f1f9de7b0a5f60120 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e774a2f SPDX Migration