#10 implement caching on build per platform

.github/workflows/ci.yml

@@ -44,11 +44,6 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
-      - name: install dependencies (ubuntu only)
-        if: matrix.platform == 'ubuntu-20.04'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev webkit2gtk-4.0 libappindicator3-dev librsvg2-dev patchelf
       - name: install app dependencies and build it
         run: pnpm install && pnpm --filter gui build
       
@@ -58,7 +53,6 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # platform: [macos-latest, ubuntu-20.04, windows-latest]
         platform: [macos-latest, ubuntu-latest, windows-latest ]
 
     runs-on: ${{ matrix.platform }}
@@ -79,12 +73,21 @@ jobs:
       with:
         toolchain: stable
     - name: install dependencies (ubuntu only)
-      if: matrix.platform == 'ubuntu-20.04'
+      if: matrix.platform == 'ubuntu-latest'
       run: |
         sudo apt-get update
         sudo apt-get install -y libgtk-3-dev webkit2gtk-4.0 libappindicator3-dev librsvg2-dev patchelf
     - name: install app dependencies
       run: pnpm install
 
+    - name: Cache Tauri Target
+      uses: actions/cache@v3
+      with:
+        path: |
+          ./packages/gui/src-tauri/target
+        key: ${{ matrix.platform }}-build-target
+        restore-keys: |
+          ${{ matrix.platform }}-build-target
+
     - name: test build tauri
       run: pnpm --filter gui tauri build