fix: use shell-based hash instead of go-hashfiles

.gitea/workflows/rust-cache-test.yml

@@ -19,11 +19,10 @@ jobs:
 
       - name: Get Cargo lock hash
         id: hash
-        uses: https://gitea.com/actions/go-hashfiles@v0.0.1
+        run: |
-        with:
+          echo "hash=$(cat Cargo.lock Cargo.toml | sha256sum | cut -d' ' -f1)" >> $GITHUB_OUTPUT
-          patterns: |
+          echo "=== Manifest hash ==="
-            Cargo.lock
+          echo "${{ env.hash }}"
-            Cargo.toml
 
       - name: Cache cargo
         uses: https://gitea.com/actions/cache@v3
@@ -36,16 +35,17 @@ jobs:
           restore-keys: |
             rust-${{ runner.os }}-
 
-      - name: Show cache info
+      - name: Show cache info (before build)
         run: |
           echo "=== Cache Key ==="
           echo "rust-${{ runner.os }}-${{ steps.hash.outputs.hash }}"
           echo ""
-          echo "=== Cargo cache directories ==="
+          echo "=== Cargo cache directories (before build) ==="
           du -sh ~/.cargo/registry ~/.cargo/git target 2>/dev/null || echo "Dirs not yet present"
           echo ""
           echo "=== Cargo version ==="
           cargo --version
+          rustc --version
 
       - name: Build
         run: cargo build --verbose