$ git clone -n https://src.fedoraproject.org/rpms/rust-bytes-cast-derive.git /var/lib/mock/f40-build-2053856-49096/root/chroot_tmpdir/scmroot/rust-bytes-cast-derive
Cloning into '/var/lib/mock/f40-build-2053856-49096/root/chroot_tmpdir/scmroot/rust-bytes-cast-derive'...
$ git fetch origin e896fb86e5a885ca95a4ba2a3dfd6487a2db3fc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytes-cast-derive
 * [new ref]         e896fb86e5a885ca95a4ba2a3dfd6487a2db3fc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e896fb8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild