$ git clone -n https://src.fedoraproject.org/rpms/rust-nanorand.git /var/lib/mock/f40-build-2714480-72311/root/chroot_tmpdir/scmroot/rust-nanorand
Cloning into '/var/lib/mock/f40-build-2714480-72311/root/chroot_tmpdir/scmroot/rust-nanorand'...
$ git fetch origin 6398386448f970c87d567675f1af7041e88fac44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nanorand
 * [new ref]         6398386448f970c87d567675f1af7041e88fac44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6398386 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild