$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-test.git /var/lib/mock/f40-build-2644051-66495/root/chroot_tmpdir/scmroot/rust-tokio-test
Cloning into '/var/lib/mock/f40-build-2644051-66495/root/chroot_tmpdir/scmroot/rust-tokio-test'...
$ git fetch origin f8db45b915b9d0ecd28e36c292f20cbc17fb9c46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-test
 * [new ref]         f8db45b915b9d0ecd28e36c292f20cbc17fb9c46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8db45b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild