Build on all branches

.github/workflows/build.yaml

@@ -2,23 +2,26 @@ name: build
 
 on:
   push:
-    branches: [ master ]
+    branches:
+    - '*'
   pull_request:
-    branches: [ master ]
+    branches:
+    - '*'
 
 jobs:
   build:
-    name: Build
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: [1.13.x]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
     steps:
-
-    - name: Set up Go 1.x
-      uses: actions/setup-go@v2
-      with:
-        go-version: ^1.13
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Make
-      run: make all
+      - uses: actions/checkout@master
+        with:
+          fetch-depth: 1
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Make
+        run: make all