$ git clone -n https://src.fedoraproject.org/rpms/rust-doc-comment.git /var/lib/mock/f38-build-side-43-rust-devel-1418047-31459/root/chroot_tmpdir/scmroot/rust-doc-comment
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418047-31459/root/chroot_tmpdir/scmroot/rust-doc-comment'...
$ git fetch origin c25d01f040ce781656b1e1fc28954a92ec93f04c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-doc-comment
 * [new ref]         c25d01f040ce781656b1e1fc28954a92ec93f04c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c25d01f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild