$ git clone -n https://src.fedoraproject.org/rpms/nginx-mod-vts.git /var/lib/mock/f40-build-1135522-20569/root/chroot_tmpdir/scmroot/nginx-mod-vts
Cloning into '/var/lib/mock/f40-build-1135522-20569/root/chroot_tmpdir/scmroot/nginx-mod-vts'...
$ git fetch origin ae117061efb1093740004c1cb31ddac12b2a410b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nginx-mod-vts
 * [new ref]         ae117061efb1093740004c1cb31ddac12b2a410b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae11706 Rebuild for 1.26.1 again, last rebuild still pulled in 1.26.0