$ git clone -n https://src.fedoraproject.org/rpms/rust-nodrop.git /var/lib/mock/f38-build-side-43-rust-devel-1409831-31406/root/chroot_tmpdir/scmroot/rust-nodrop
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1409831-31406/root/chroot_tmpdir/scmroot/rust-nodrop'...
$ git fetch origin c8eccef32673aa6a09eabfc94b8dc673763badda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nodrop
 * [new ref]         c8eccef32673aa6a09eabfc94b8dc673763badda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8eccef Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild