GitHub Actions release

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/build.yml

@@ -120,3 +120,66 @@ jobs:
         env:
           TARGETPLATFORM: ${{ env.PLATFORMS }},darwin/amd64,windows/amd64
           CACHEDIR_FROM: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+
+  binaries:
+    runs-on: ubuntu-latest
+    needs: [test, cross]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Prepare
+        id: prep
+        run: |
+          TAG=pr
+          if [[ $GITHUB_REF == refs/tags/v* ]]; then
+            TAG=${GITHUB_REF#refs/tags/}
+          elif [[ $GITHUB_REF == refs/heads/* ]]; then
+            TAG=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
+          fi
+          echo ::set-output name=tag::${TAG}
+      -
+        name: Cache ${{ env.CACHEKEY_BINARIES }}
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+          key: ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-${{ env.CACHEKEY_BINARIES }}-
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          driver-opts: image=${{ env.REPO_SLUG_ORIGIN }}
+      -
+        name: Build ${{ steps.prep.outputs.tag }}
+        run: |
+          ./hack/release "${{ steps.prep.outputs.tag }}" release-out
+        env:
+          PLATFORMS: ${{ env.PLATFORMS }},darwin/amd64,windows/amd64
+          CACHEDIR_FROM: /tmp/.buildx-cache/${{ env.CACHEKEY_BINARIES }}
+      -
+        name: Move artifacts
+        run: |
+          mv ./release-out/**/* ./release-out/
+      -
+        name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: buildx
+          path: ./release-out/*
+          if-no-files-found: error
+      -
+        name: GitHub Release
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          draft: true
+          files: ./release-out/*
+          name: ${{ steps.prep.outputs.tag }}