$ git clone -n https://src.fedoraproject.org/rpms/varnish-modules.git /var/lib/mock/f38-build-side-42-init-devel-898550-28581/root/chroot_tmpdir/scmroot/varnish-modules
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-898550-28581/root/chroot_tmpdir/scmroot/varnish-modules'...
$ git fetch origin ffd7bda46a42be569a8c7d3f81b0aee6f8d8d436:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/varnish-modules
 * [new ref]         ffd7bda46a42be569a8c7d3f81b0aee6f8d8d436 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffd7bda Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild