$ git clone -n https://src.fedoraproject.org/rpms/anarch.git /var/lib/mock/f40-build-792500-138440/root/chroot_tmpdir/scmroot/anarch
Cloning into '/var/lib/mock/f40-build-792500-138440/root/chroot_tmpdir/scmroot/anarch'...
$ git fetch origin 8a9f585a8aa11176a27149e5997828ab0bab1236:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/anarch
 * [new ref]         8a9f585a8aa11176a27149e5997828ab0bab1236 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a9f585 Rebuild for CSFML 2.6, migrate license to SPDX