From 152d752c28bd96638c1d15b0ec93024b6a1bd05c Mon Sep 17 00:00:00 2001
From: Christian Kuhtz <christian@kuhtz.com>
Date: Wed, 10 Jul 2024 22:56:02 +0000
Subject: [PATCH] modify cache directory name to account for / in platform name

---
 .github/workflows/docker-images.yml | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docker-images.yml b/.github/workflows/docker-images.yml
index a5d54cd..5e1be05 100644
--- a/.github/workflows/docker-images.yml
+++ b/.github/workflows/docker-images.yml
@@ -32,13 +32,23 @@ jobs:
         password: ${{ secrets.GHCR_TOKEN }}
         logout: false 
 
+    - name: Create a variable with platform '${{ matrix.platform }}' value
+      run: echo "PLATFORM=${{ matrix.platform }}" >> $GITHUB_ENV
+    
+    - name: Swap / for - in '${{ matrix.platform }}' and create local_platform variable
+      id: local_platform
+      run: |
+        LOCAL_PLATFORM="${PLATFORM//\/\-}"
+        echo "LOCAL_PLATFORM=${LOCAL_PLATFORM}" >> $GITHUB_ENV
+        echo "::set-output name=local_platform::${LOCAL_PLATFORM}"
+
     - name: Cache Docker layers
       uses: actions/cache@v3
       with:
         path: /tmp/.buildx-cache
-        key: ${{ runner.os }}-${{ matrix.platform }}-buildx-${{ github.sha }}
+        key: ${{ runner.os }}-${{ steps.local_platform.outputs.local_platform }}-buildx-${{ github.sha }}
         restore-keys: |
-          ${{ runner.os }}-${{ matrix.platform }}-buildx-
+          ${{ runner.os }}-${{ steps.local_platform.outputs.local_platform }}-buildx-
 
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v3