$ git clone -n https://src.fedoraproject.org/rpms/rust-primal.git /var/lib/mock/f40-build-2326753-58844/root/chroot_tmpdir/scmroot/rust-primal
Cloning into '/var/lib/mock/f40-build-2326753-58844/root/chroot_tmpdir/scmroot/rust-primal'...
$ git fetch origin d491c6f4076ecfde8c1c90eabaf4625466fce4d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-primal
 * [new ref]         d491c6f4076ecfde8c1c90eabaf4625466fce4d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d491c6f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild