fix: Use cache for WebAssembly files when relevant files haven't changed

Author: sanity

.github/workflows/deploy.yml

@@ -54,10 +54,11 @@ jobs:
         uses: actions/cache@v3
         with:
           path: hugo-site/static/wasm
-          key: ${{ runner.os }}-wasm-${{ github.sha }}
+          key: ${{ runner.os }}-wasm-${{ hashFiles('rust/gkwasm/**', 'rust/gklib/**') }}
 
-      # Build WebAssembly
+      # Build WebAssembly if cache miss or files changed
       - name: Build WebAssembly
+        if: steps.cache-wasm.outputs.cache-hit != 'true'
         run: cargo make build-wasm-release
 
       # Build the site using cargo-make

Makefile.toml

@@ -25,8 +25,17 @@ dependencies = [
 [tasks.build-site]
 description = "Build WebAssembly and Hugo site for deployment"
 script = """
-echo "Building WebAssembly files..."
-cargo make build-wasm-release
+if [ -n "$GITHUB_ACTIONS" ]; then
+    if [ -d "hugo-site/static/wasm" ] && [ -n "$(ls -A hugo-site/static/wasm)" ]; then
+        echo "Using cached WebAssembly files"
+    else
+        echo "WebAssembly files not found in cache, rebuilding..."
+        cargo make build-wasm-release
+    fi
+else
+    echo "Building WebAssembly files..."
+    cargo make build-wasm-release
+fi
 cd hugo-site
 hugo --minify
 echo "Contents of public/wasm after running hugo:"