$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-codec.git /var/lib/mock/f40-build-2040177-48332/root/chroot_tmpdir/scmroot/rust-tokio-codec
Cloning into '/var/lib/mock/f40-build-2040177-48332/root/chroot_tmpdir/scmroot/rust-tokio-codec'...
$ git fetch origin 990aac01d0467f123cb0b27088b85fb47cc9df8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-codec
 * [new ref]         990aac01d0467f123cb0b27088b85fb47cc9df8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 990aac0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild