From 1cb59ea9719db858483e3aa3defb6572734ba830 Mon Sep 17 00:00:00 2001
From: Michael Hoisie <hoisie@gmail.com>
Date: Sat, 20 Nov 2021 12:37:38 -0800
Subject: [PATCH] Update tests workflow to use consistent icu cache key

---
 .github/workflows/tests.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2b2a490d842..63ffb6572bf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -33,12 +33,16 @@ jobs:
         with:
           java-version: 11.0.8
 
+      - name: Detect runner CPU architecture
+        run: |
+          echo "CPU_ARCH=$(uname -m)" >> $GITHUB_ENV
+
       - name: Cache ICU build output
         id: cache-icu
         uses: actions/cache@v2
         with:
           path: ~/icu-bin
-          key: ${{ runner.os }}-icu-${{ hashFiles('nativeruntime/external/icu/**') }}
+          key: ${{ runner.os }}-${{env.CPU_ARCH}}-icu-${{ hashFiles('nativeruntime/external/icu/**') }}
 
       - name: Build ICU
         if: steps.cache-icu.outputs.cache-hit != 'true'