$ git clone -n https://src.fedoraproject.org/rpms/fros.git /var/lib/mock/f40-build-2438016-60872/root/chroot_tmpdir/scmroot/fros
Cloning into '/var/lib/mock/f40-build-2438016-60872/root/chroot_tmpdir/scmroot/fros'...
$ git fetch origin 14147e81ee8c236bec3b194aa6e7028db5d4d87c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fros
 * [new ref]         14147e81ee8c236bec3b194aa6e7028db5d4d87c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14147e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild