Cache HarmonyOS build outputs on failure

Author: feigeCode

.github/workflows/harmonyos-test.yml

@@ -54,8 +54,9 @@ jobs:
         run: |
           script/setup-harmonyos-runner.sh
 
-      - name: Cache HarmonyOS Cargo dependencies
-        uses: actions/cache@v4
+      - name: Restore HarmonyOS Cargo build cache
+        id: harmonyos-cargo-cache
+        uses: actions/cache/restore@v4
         with:
           path: |
             ~/.cargo/registry/index/
@@ -162,3 +163,14 @@ jobs:
           path: |
             dist/harmonyos/*.hap
             ohos/**/*.hap
+
+      - name: Save HarmonyOS Cargo build cache
+        if: always()
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            ohos/native/target/
+          key: ${{ steps.harmonyos-cargo-cache.outputs.cache-primary-key }}