Set up private spack on fugaku

private_spack_on_fugaku.sh

#!/usr/bin/env bash

# mainly from https://www.fugaku.r-ccs.riken.jp/doc_root/en/user_guides/FugakuSpackGuide/intro.html

export SPACK_DISABLE_LOCAL_CONFIG=true
export SPACK_USER_CACHE_PATH=/tmp/u13079-spack
# cf . https://www.fugaku.r-ccs.riken.jp/doc_root/en/user_guides/FugakuSpackGuide/intro.html
export PJM_LLIO_GFSCACHE=/vol0004

# use RIKEN spack only on stable branch!
git -C "spack" pull || git clone [email protected]:spack/spack.git

. spack/share/spack/setup-env.sh

cp /vol0004/apps/oss/spack/etc/spack/*.yaml spack/etc/spack/
rm spack/etc/spack/repos.yaml

cat << EOF > spack/etc/spack/upstreams.yaml
upstreams:
  spack-public-instance:
    install_tree: /vol0004/apps/oss/spack/opt/spack
EOF

spack repo add /vol0004/apps/oss/spack/var/spack/repos/local

spack spec cmake
# this should show no uninstalled dependencies, cmake should now be installable with `spack/bin/spack install cmake`