Run Protobuild on GitHub Actions

containerd is planning to migrate off from github.com/gogo/protobuf
which will affect hcsshim.

Before that, this commit runs Protobuild in GitHub Actions to
make sure all generated files are reproducible from .proto files.

Signed-off-by: Kazuyoshi Kato <[email protected]>

.github/workflows/ci.yml

@@ -8,6 +8,50 @@ env:
   GOPROXY: off
 
 jobs:
+  proto:
+    runs-on: 'windows-2019'
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          path: src/github.com/Microsoft/hcsshim
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.0'
+
+      - name: Install protoc-gen-gogoctrd
+        shell: bash
+        run: |
+          git clone --depth 1 https://github.com/containerd/containerd.git -b v1.6.0
+          cd containerd/cmd/protoc-gen-gogoctrd
+          go build
+          mkdir $GOPATH/bin
+          mv protoc-gen-gogoctrd.exe $GOPATH/bin
+        env:
+          GOPATH: ${{ github.workspace }}
+
+      - name: Install protoc
+        shell: bash
+        run: |
+          curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v3.19.4/protoc-3.19.4-win32.zip
+          unzip -x protoc-3.19.4-win32.zip
+          mv include src/github.com/Microsoft/hcsshim/protobuf
+          mv bin/protoc.exe $GOPATH/bin
+        env:
+          GOPATH: ${{ github.workspace }}
+
+      - name: Run Protobuild
+        shell: bash
+        run: |
+          go install github.com/containerd/protobuild@7e5ee24bc1f70e9e289fef15e2631eb3491320bf
+
+          cd src/github.com/Microsoft/hcsshim
+          protobuild $(go list ./... | grep -v /vendor/)
+          git diff --exit-code
+        env:
+          GOPATH: ${{ github.workspace }}
+          GOFLAGS:
+          GOPROXY:
+
   lint:
     runs-on: 'windows-2019'
     steps:

Protobuild.toml

@@ -1,4 +1,4 @@
-version = "unstable"
+version = "1"
 generator = "gogoctrd"
 plugins = ["grpc", "fieldpath"]