$ git clone -n https://src.fedoraproject.org/rpms/h5py.git /var/lib/mock/f42-build-864656-172514/root/chroot_tmpdir/scmroot/h5py
Cloning into '/var/lib/mock/f42-build-864656-172514/root/chroot_tmpdir/scmroot/h5py'...
$ git fetch origin 8817c51a1504cdfffe7a4cc25dabcc8d2ce5d897:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/h5py
 * [new ref]         8817c51a1504cdfffe7a4cc25dabcc8d2ce5d897 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8817c51 Rebuild for numpy bump