From 66c98424bbf259579dd705c8c2a4316c68804ba1 Mon Sep 17 00:00:00 2001
From: "Joshua A. Anderson" <joaander@umich.edu>
Date: Tue, 17 Sep 2024 08:47:21 -0400
Subject: [PATCH] Test caching with zstd.

---
 .github/workflows/unit-test.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index f87e3e7..dbbca15 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -60,6 +60,9 @@ jobs:
           enable_mpi: 'ON'
 
     steps:
+    # zstd is required for actions/cache to operate correctly: https://github.com/actions/cache/issues/1455
+    - name: Install zstd
+      run: apt-get install zstd
     - name: Restore cached HOOMD-blue build
       id: cache
       uses: actions/cache/restore@v4