$ git clone -n https://src.fedoraproject.org/rpms/rust-threadpool.git /var/lib/mock/f38-build-side-43-rust-devel-1412914-31443/root/chroot_tmpdir/scmroot/rust-threadpool
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412914-31443/root/chroot_tmpdir/scmroot/rust-threadpool'...
$ git fetch origin 5ab7d7efa7ee34e4b8f333aa0a6e2f2b318bbf5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-threadpool
 * [new ref]         5ab7d7efa7ee34e4b8f333aa0a6e2f2b318bbf5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ab7d7e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild