feat: add release ci

.github/workflows/build-and-test.yml

@@ -1,6 +1,8 @@
 name: Build and Test
 
 on:
+  release:
+    types: [ "published" ]
   push:
     branches: [ "main" ]
   pull_request:
@@ -28,7 +30,29 @@ jobs:
         go-version: '1.21'
 
     - name: Build
-      run: go build -v ./cmd/...
+      run: |
+        DIR="$(mktemp -d)"
+        mkdir "$DIR/age-plugin-sss"
+        cp LICENSE $DIR/age-plugin-sss
+        VERSION="$(git describe --tags)"
+        go build -o "$DIR/age-plugin-sss" -ldflags "-X main.Version=$VERSION" -v ./cmd/...
+        if [ "$GOOS" == "windows" ]; then
+          ( cd "$DIR"; zip age-plugin-sss.zip -r age-plugin-sss )
+          mv "$DIR/age-plugin-sss.zip" "age-plugin-sss-$VERSION-$GOOS-$GOARCH.zip"
+        else
+          tar -cvzf "age-plugin-sss-$VERSION-$GOOS-$GOARCH.tar.gz" -C "$DIR" age-plugin-sss
+        fi
+      env:
+        CGO_ENABLED: 0
+        GOOS: ${{ matrix.GOOS }}
+        GOARCH: ${{ matrix.GOARCH }}
+        GOARM: ${{ matrix.GOARM }}
+
+    - name: Upload workflow artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: plugin-binaries
+        path: age-plugin-sss*
 
     - name: Test
       run: go test -v ./...
@@ -40,3 +64,21 @@ jobs:
         go install filippo.io/age/cmd/...@latest
         cp age-plugin-sss "$HOME/.local/bin/age-plugin-sss"
         testscript ./testdata/*.txt
+
+  release:
+    name: Upload release binaries
+    if: github.event_name == 'release'
+    needs: build
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download workflow artifacts
+        uses: actions/download-artifact@v2
+        with:
+          name: plugin-binaries
+      - name: Upload release artifacts
+        run: gh release upload "$GITHUB_REF_NAME" age-plugin-sss*
+        env:
+          GH_REPO: ${{ github.repository }}
+          GH_TOKEN: ${{ github.token }}