$ git clone -n https://src.fedoraproject.org/rpms/armadillo.git /var/lib/mock/f42-build-864741-172559/root/chroot_tmpdir/scmroot/armadillo
Cloning into '/var/lib/mock/f42-build-864741-172559/root/chroot_tmpdir/scmroot/armadillo'...
$ git fetch origin d63d28ac59b6710a3c2af23312901cc71273d07b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/armadillo
 * [new ref]         d63d28ac59b6710a3c2af23312901cc71273d07b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d63d28a Rebuild for hdf5 1.14.5