$ git clone -n https://src.fedoraproject.org/rpms/nemo.git /var/lib/mock/f40-build-794881-139800/root/chroot_tmpdir/scmroot/nemo
Cloning into '/var/lib/mock/f40-build-794881-139800/root/chroot_tmpdir/scmroot/nemo'...
$ git fetch origin dc3d3b9594b4ca2d886595d4f0c5d97d79f42645:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nemo
 * [new ref]         dc3d3b9594b4ca2d886595d4f0c5d97d79f42645 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc3d3b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild