$ git clone -n https://src.fedoraproject.org/rpms/lzma-sdk457.git /var/lib/mock/f41-build-side-1-2658259-28541/root/chroot_tmpdir/scmroot/lzma-sdk457
Cloning into '/var/lib/mock/f41-build-side-1-2658259-28541/root/chroot_tmpdir/scmroot/lzma-sdk457'...
$ git fetch origin 995d9b57b1f355df1ac01bf5d6923905c390ef77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lzma-sdk457
 * [new ref]         995d9b57b1f355df1ac01bf5d6923905c390ef77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 995d9b5 convert license to SPDX