$ git clone -n https://src.fedoraproject.org/rpms/sfnt2woff-zopfli.git /var/lib/mock/f42-build-side-1-3537695-46560/root/chroot_tmpdir/scmroot/sfnt2woff-zopfli
Cloning into '/var/lib/mock/f42-build-side-1-3537695-46560/root/chroot_tmpdir/scmroot/sfnt2woff-zopfli'...
$ git fetch origin 25fae55e3fcc220cbab41e624345fdad8d55aad7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sfnt2woff-zopfli
 * [new ref]         25fae55e3fcc220cbab41e624345fdad8d55aad7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25fae55 Security fix for CVE-2010-1028