Improve runtime caching

Author: dorssel

.github/workflows/runtime-osx-arm64.yml

@@ -13,7 +13,19 @@ name: Runtime osx-arm64
 
 on:
   workflow_dispatch:
+    inputs:
+      ignore_cache:
+        description: 'Force building of the runtime, even if a cached result already exists.'
+        type: boolean
+        required: true
+        default: true
   workflow_call:
+    inputs:
+      ignore_cache:
+        description: 'Force building of the runtime, even if a cached result already exists.'
+        type: boolean
+        required: false
+        default: false
 
 env:
   RUNTIME: osx-arm64
@@ -38,7 +50,18 @@ jobs:
           echo "value=runtime-${{ env.RUNTIME }}-${{ hashFiles('.gitmodules', 'libc/libc.c', '.github/workflows/runtime-osx-arm64.yml') }}" \
             >> "$GITHUB_OUTPUT"
 
+      - name: Check existing cache
+        id: cache-check
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            Xmss/runtimes/**
+          key: ${{ steps.cache-key.outputs.value }}
+          enableCrossOsArchive: true
+          lookup-only: true
+
       - name: Configure
+        if: ${{ !steps.cache-check.outputs.cache-hit || !inputs.ignore_cache }}
         run: >
           cmake
           -S xmss-library
@@ -49,36 +72,30 @@ jobs:
           -DCMAKE_C_FLAGS="-Wno-error=implicit-int-conversion"
 
       - name: Build
+        if: ${{ !steps.cache-check.outputs.cache-hit || !inputs.ignore_cache }}
         run: cmake --build build
 
       - name: Test
+        if: ${{ !steps.cache-check.outputs.cache-hit || !inputs.ignore_cache }}
         working-directory: build
         run: ctest
 
       - name: Copy artifact
+        if: ${{ !steps.cache-check.outputs.cache-hit || !inputs.ignore_cache }}
         run: |
           mkdir -p "Xmss/runtimes/${{ env.RUNTIME }}/native"
           cp build/src/libxmss.dylib "Xmss/runtimes/${{ env.RUNTIME }}/native/xmss.dylib"
 
-      - name: Check existing cache
-        id: cache-check
-        uses: actions/cache/restore@v4
-        with:
-          path: |
-            Xmss/runtimes/**
-          key: ${{ steps.cache-key.outputs.value }}
-          enableCrossOsArchive: true
-          lookup-only: true
-
       - name: Delete existing cache
-        if: ${{ steps.cache-check.outputs.cache-hit }}
+        if: ${{ steps.cache-check.outputs.cache-hit && inputs.ignore_cache }}
         run: |
           gh extension install actions/gh-actions-cache
           gh actions-cache delete "${{ steps.cache-key.outputs.value }}" --confirm
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Save cache
+        if: ${{ !steps.cache-check.outputs.cache-hit || !inputs.ignore_cache }}
         uses: actions/cache/save@v4
         with:
           path: |