$ git clone -n https://src.fedoraproject.org/rpms/rnp.git /var/lib/mock/f41-build-835691-158621/root/chroot_tmpdir/scmroot/rnp
Cloning into '/var/lib/mock/f41-build-835691-158621/root/chroot_tmpdir/scmroot/rnp'...
$ git fetch origin fd38469061cbd543ba4e3decbc3a99866a5baf3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rnp
 * [new ref]         fd38469061cbd543ba4e3decbc3a99866a5baf3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd38469 Disable i686 build