$ git clone -n https://src.fedoraproject.org/rpms/rust-speedate.git /var/lib/mock/f40-build-2654614-66906/root/chroot_tmpdir/scmroot/rust-speedate
Cloning into '/var/lib/mock/f40-build-2654614-66906/root/chroot_tmpdir/scmroot/rust-speedate'...
$ git fetch origin 5b6eb5023cf72e7b9921765d35caf1803a6affa7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-speedate
 * [new ref]         5b6eb5023cf72e7b9921765d35caf1803a6affa7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b6eb50 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild