Updated workflow to build desync

.github/workflows/desync.yml

@@ -0,0 +1,59 @@
+name: Build desync
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build:
+    name: Validate on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+
+    timeout-minutes: 10
+    steps:
+      - name: Checkout desync
+        uses: actions/checkout@v2
+        with:
+          repository: V-Sekai/desync
+          fetch-depth: 0
+
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.6'
+
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - run: go test
+      - run: go build ./cmd/desync
+
+      - name: Rename to triplet scheme
+        id: rename
+        run: |
+          TRIPLET=""
+          if [[ '${{ matrix.os }}' == 'windows-latest' ]]; then 
+            TRIPLET="x86_64-pc-windows-gnu"
+          elif [[ '${{ matrix.os }}' == 'macos-latest' ]]; then
+            TRIPLET="x86_64-apple-darwin"
+          else
+            TRIPLET="x86_64-unknown-linux-gnu"
+          fi
+          mv ./desync ./desync-$TRIPLET
+          echo "::set-output name=path::./desync-$TRIPLET"
+
+      - name: Upload desync binary
+        uses: actions/upload-artifact@v2
+        with:
+          name: desync-${{ matrix.os }}
+          path: ${{ steps.rename.outputs.path }}