$ git clone -n https://src.fedoraproject.org/rpms/dvdauthor.git /var/lib/mock/f40-build-801348-143761/root/chroot_tmpdir/scmroot/dvdauthor
Cloning into '/var/lib/mock/f40-build-801348-143761/root/chroot_tmpdir/scmroot/dvdauthor'...
$ git fetch origin 95fd46e66cb5884f1a874d0f54fce7cd7cfaff06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dvdauthor
 * [new ref]         95fd46e66cb5884f1a874d0f54fce7cd7cfaff06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 95fd46e Since it is now a leaf package, drop i686 per fedora leaf package policy, which also fix the build