$ git clone -n https://src.fedoraproject.org/rpms/aspell-is.git /var/lib/mock/f40-build-2274136-55013/root/chroot_tmpdir/scmroot/aspell-is
Cloning into '/var/lib/mock/f40-build-2274136-55013/root/chroot_tmpdir/scmroot/aspell-is'...
$ git fetch origin 6efd456695ddb1a5fcdfca5f2b33d9fa4d06fc9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aspell-is
 * [new ref]         6efd456695ddb1a5fcdfca5f2b33d9fa4d06fc9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6efd456 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild