$ git clone -n https://src.fedoraproject.org/rpms/mingw-zfstream.git /var/lib/mock/f41-build-1037632-18804/root/chroot_tmpdir/scmroot/mingw-zfstream
Cloning into '/var/lib/mock/f41-build-1037632-18804/root/chroot_tmpdir/scmroot/mingw-zfstream'...
$ git fetch origin aa63f60f70e161661c919384a0f7296ef809e8ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-zfstream
 * [new ref]         aa63f60f70e161661c919384a0f7296ef809e8ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa63f60 Eliminate use of obsolete %patchN syntax (#2283636)