$ git clone -n https://src.fedoraproject.org/rpms/libgnomeui.git /var/lib/mock/f41-build-817483-14304/root/chroot_tmpdir/scmroot/libgnomeui
Cloning into '/var/lib/mock/f41-build-817483-14304/root/chroot_tmpdir/scmroot/libgnomeui'...
$ git fetch origin f4daac62203069f0f615d691c2815b8c962d47b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgnomeui
 * [new ref]         f4daac62203069f0f615d691c2815b8c962d47b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4daac6 Eliminate use of obsolete %patchN syntax (#2283636)