$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-serde.git /var/lib/mock/f40-build-2367794-60387/root/chroot_tmpdir/scmroot/rust-tokio-serde
Cloning into '/var/lib/mock/f40-build-2367794-60387/root/chroot_tmpdir/scmroot/rust-tokio-serde'...
$ git fetch origin 3d5ed9b7b46c7c2600e758cc3afe733b8615aebf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-serde
 * [new ref]         3d5ed9b7b46c7c2600e758cc3afe733b8615aebf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d5ed9b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild