From c31db27fb6df40566147abbdcd8c489f824cc9c9 Mon Sep 17 00:00:00 2001
From: Jason Boutte <boutte.jason@gmail.com>
Date: Wed, 2 Oct 2024 12:51:17 -0700
Subject: [PATCH] Downgrades libnetcdf for e3sm

---
 .github/workflows/testing.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 692d995f961..d477f799025 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -174,6 +174,14 @@ jobs:
 
           conda activate base
 
+          # container libnetcdf is 4.9.2 as cesm requires esmf >8.6.1
+          # e3sm scorpio incompatible with 4.9.2, downgrade to 4.9.1
+          # only reference found about scorpio incompatibility with 4.9.2 (https://github.com/E3SM-Project/scorpio/issues/554#issuecomment-1877361470)
+          # TODO open scorpio issue, possible solutions; 1. support two conda environments in container 2. maybe move from conda to spack? build all libraries in image
+          if [[ "${CIME_MODEL}" == "e3sm" ]]; then
+            mamba install -y 'libnetcdf=4.9.1'
+          fi
+
           pytest -vvv --cov=CIME --machine docker --no-fortran-run --no-teardown CIME/tests/test_sys*
       - uses: mxschmitt/action-tmate@v3
         if: ${{ !always() }}