add rust-cache to CI and release workflows, fix release artifact upload

Author: programmersd21

.github/workflows/ci.yml

@@ -16,6 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
       - run: cargo test --verbose
       - run: cargo clippy --all-targets -- -D warnings
       - run: cargo fmt -- --check

.github/workflows/release.yml

@@ -67,10 +67,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.target }}
+      - uses: Swatinem/rust-cache@v2
 
       - name: Install musl-tools
         if: matrix.os == 'ubuntu-latest'
@@ -107,8 +107,14 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           VERSION="${{ needs.check-version.outputs.version }}"
-          gh release create "v$VERSION" \
-            --title "v$VERSION" \
-            --generate-notes \
-            artifacts/*/* \
-            || echo "Release already exists"
+          if gh release view "v$VERSION" &>/dev/null; then
+            echo "Release v$VERSION already exists — skipping"
+            exit 0
+          fi
+          shopt -s nullglob
+          ASSETS=(artifacts/*/*)
+          if [ ${#ASSETS[@]} -eq 0 ]; then
+            gh release create "v$VERSION" --title "v$VERSION" --generate-notes
+          else
+            gh release create "v$VERSION" --title "v$VERSION" --generate-notes "${ASSETS[@]}"
+          fi