feat: add release workflow, wherry-bin PKGBUILD, mold optdepends

.github/workflows/rust.yml

@@ -3,6 +3,7 @@ name: Rust
 on:
   push:
     branches: [ "main" ]
+    tags: [ "v*" ]
   pull_request:
     branches: [ "main" ]
 
@@ -58,6 +59,10 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - name: Build (release)
         run: cargo build --release
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wherry-x86_64
+          path: target/release/wherry
 
   test:
     runs-on: ubuntu-latest
@@ -81,3 +86,25 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - name: Run tests
         run: cargo test
+
+  release:
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    needs: [build, test]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: wherry-x86_64
+      - name: Package binary
+        run: |
+          mkdir -p pkg/usr/bin pkg/usr/share/licenses/wherry pkg/usr/share/pixmaps pkg/usr/share/applications
+          install -Dm755 wherry pkg/usr/bin/wherry
+          install -Dm644 LICENSE pkg/usr/share/licenses/wherry/LICENSE
+          install -Dm644 src/icons/128x128.png pkg/usr/share/pixmaps/wherry.png
+          install -Dm644 dist/wherry.desktop pkg/usr/share/applications/wherry.desktop
+          tar czf wherry-v${{ github.ref_name }}-x86_64-linux.tar.gz -C pkg .
+      - uses: softprops/action-gh-release@v2
+        with:
+          files: wherry-v${{ github.ref_name }}-x86_64-linux.tar.gz
+          generate_release_notes: true