$ git clone -n https://src.fedoraproject.org/rpms/rust-rustix0.37.git /var/lib/mock/f40-build-2656791-66915/root/chroot_tmpdir/scmroot/rust-rustix0.37
Cloning into '/var/lib/mock/f40-build-2656791-66915/root/chroot_tmpdir/scmroot/rust-rustix0.37'...
$ git fetch origin d7d55d04e97c55d095f0535d6994cb0fb9e1bec8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustix0.37
 * [new ref]         d7d55d04e97c55d095f0535d6994cb0fb9e1bec8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7d55d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild