$ git clone -n https://src.fedoraproject.org/rpms/R-affyio.git /var/lib/mock/f41-build-1111450-20153/root/chroot_tmpdir/scmroot/R-affyio
Cloning into '/var/lib/mock/f41-build-1111450-20153/root/chroot_tmpdir/scmroot/R-affyio'...
$ git fetch origin e77889882ee8456190caef14b99717b3363c970f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-affyio
 * [new ref]         e77889882ee8456190caef14b99717b3363c970f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e778898 Eliminate use of obsolete %patchN syntax (#2283636)