$ git clone -n https://src.fedoraproject.org/rpms/nuttcp.git /var/lib/mock/f40-build-792928-138678/root/chroot_tmpdir/scmroot/nuttcp
Cloning into '/var/lib/mock/f40-build-792928-138678/root/chroot_tmpdir/scmroot/nuttcp'...
$ git fetch origin 1b1fcc6008ae6e932b727a1b7e7d26d02587c555:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nuttcp
 * [new ref]         1b1fcc6008ae6e932b727a1b7e7d26d02587c555 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b1fcc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild