$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio.git /var/lib/mock/f40-build-2326135-58826/root/chroot_tmpdir/scmroot/rust-tokio
Cloning into '/var/lib/mock/f40-build-2326135-58826/root/chroot_tmpdir/scmroot/rust-tokio'...
$ git fetch origin d6962493d88c97c9fa55e834c772cc9df20c3fda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio
 * [new ref]         d6962493d88c97c9fa55e834c772cc9df20c3fda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d696249 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild