$ git clone -n https://src.fedoraproject.org/forks/mschorm/rpms/perl-Crypt-MySQL.git /var/lib/mock/f43-build-61074415-6588604/root/chroot_tmpdir/scmroot/perl-Crypt-MySQL
Cloning into '/var/lib/mock/f43-build-61074415-6588604/root/chroot_tmpdir/scmroot/perl-Crypt-MySQL'...
$ git fetch origin 248ede1d18811ceee05ddfc282baca57a7c41e6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/mschorm/rpms/perl-Crypt-MySQL
 * [new ref]         248ede1d18811ceee05ddfc282baca57a7c41e6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 248ede1 Disable i686