$ git clone -n https://src.fedoraproject.org/rpms/lzma-sdk457.git /var/lib/mock/f41-build-1022295-18064/root/chroot_tmpdir/scmroot/lzma-sdk457
Cloning into '/var/lib/mock/f41-build-1022295-18064/root/chroot_tmpdir/scmroot/lzma-sdk457'...
$ git fetch origin 513556ef544d00add4c566fc933b0e3f389a8b5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lzma-sdk457
 * [new ref]         513556ef544d00add4c566fc933b0e3f389a8b5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 513556e Eliminate use of obsolete %patchN syntax (#2283636)