# in spack-stack-1.5.1 directory:
. setup.sh
mkdir envs/gsi-addon
cp -r ../unified-env/{site,common} $SPACK_STACK_DIR/envs/gsi-addon

upstreampath=$(realpath $SPACK_STACK_DIR/envs/unified-env/install)
cat <<EOF > $SPACK_STACK_DIR/envs/gsi-addon/spack.yaml
spack:
  concretizer:
    unify: when_possible

  view: false
  include:
  - site
  - common

  definitions:
  - compilers: compilerz
  - packages:
    - global-workflow-env ^bufr@11.7.0 ^metplus@3.1.1 ^met@9.1.3
    - ufs-weather-model-env

  specs:
  - matrix:
    - [\$packages]
    - [\$compilers]

  upstreams:
    spack-stack-1.5.1-unified-env:
      install_tree: upstreampath

  repos:
    - \$env/envrepo
EOF

sed -i "s|upstreampath|$upstreampath|" $SPACK_STACK_DIR/envs/gsi-addon/spack.yaml
sed -i "s|compilerz|$(grep -oP 'compilers: \K.+' $SPACK_STACK_DIR/envs/unified-env/spack.yaml)|" $SPACK_STACK_DIR/envs/gsi-addon/spack.yaml

mkdir -p $SPACK_STACK_DIR/envs/gsi-addon/envrepo/packages
echo -en "repo:\n  namespace: envrepo" > $SPACK_STACK_DIR/envs/gsi-addon/envrepo/repo.yaml
cp -r $SPACK_ROOT/var/spack/repos/builtin/packages/met/ $SPACK_STACK_DIR/envs/gsi-addon/envrepo/packages/.
sed -i 's|\(def setup_build_environment(self, env):\)|\1\n        env.prepend_path("LD_LIBRARY_PATH", self.spec["python"].prefix.lib)|' $SPACK_STACK_DIR/envs/gsi-addon/envrepo/packages/met/package.py
spack env activate $SPACK_STACK_DIR/envs/gsi-addon
spack concretize -f |& tee $SPACK_STACK_DIR/envs/gsi-addon/log.concretize
if [ $(grep -E '^ -  ' $SPACK_STACK_DIR/envs/gsi-addon/log.concretize | grep -Fv -e global-workflow-env@ -e '^bufr@' -e '^met@' -e '^metplus@' | wc -l) -gt 0 ]; then echo ':(' ; fi
spack install --verbose |& tee $SPACK_STACK_DIR/envs/gsi-addon/log.install
spack module lmod refresh --upstream-modules
spack stack setup-meta-modules