$ git clone -n https://src.fedoraproject.org/rpms/pandoc.git /var/lib/mock/f40-build-770752-125883/root/chroot_tmpdir/scmroot/pandoc
Cloning into '/var/lib/mock/f40-build-770752-125883/root/chroot_tmpdir/scmroot/pandoc'...
$ git fetch origin 6fc5a372559cce1be54bcbd4dade8cfcd39fb140:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pandoc
 * [new ref]         6fc5a372559cce1be54bcbd4dade8cfcd39fb140 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fc5a37 disable lua on ppc64le