Bump Go to 1.17, use golangci-lint instead of make lint, develop v2 m…

…odule (#106)

* Bump Go to 1.17
* Create v2 module
* use golangci-lint + pre-commit (GH Action) instead of make lint

.github/workflows/pre-commit.yml

@@ -0,0 +1,17 @@
+name: pre-commit
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.17'
+      - uses: pre-commit/action@v3.0.0

.github/workflows/test.yml

@@ -26,13 +26,14 @@ jobs:
       - name: Set Up Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.14.6'
+          go-version: '1.17'
       - run: mkdir -p $GOPATH/bin
       - run: wget "https://github.com/protocolbuffers/protobuf/releases/download/v${{ matrix.protoc-version }}/protoc-${{ matrix.protoc-version }}-linux-x86_64.zip" -O /tmp/protoc.zip
       - run: unzip /tmp/protoc.zip -d /tmp
       - run: sudo mv /tmp/bin/protoc /usr/local/bin/protoc
       - run: sudo mv /tmp/include/google /usr/local/include/google
       - name: Generate Testdata
         run: make testdata
-      - name: Lint
-        run: make lint tests
+      - name: Run Tests
+        run: make tests
+

.golangci.yml

@@ -0,0 +1,26 @@
+linters:
+  disable-all: true
+  enable:
+    - deadcode
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - revive
+    - structcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+    - varcheck
+issues:
+  max-per-linter: 0
+  max-same-issues: 0
+run:
+  build-tags:
+    - integration
+  deadline: 5m

.pre-commit-config.yaml

@@ -0,0 +1,7 @@
+default_language_version:
+  python: python3.8
+repos:
+  -   repo: https://github.com/golangci/golangci-lint
+      rev: v1.42.1
+      hooks:
+        -   id: golangci-lint

Makefile

@@ -5,16 +5,6 @@ PROTOC_VER := $(shell protoc --version | cut -d' ' -f2)
 .PHONY: bootstrap
 bootstrap: testdata # set up the project for development
 
-.PHONY: lint
-lint: # lints the package for common code smells
-	set -e; for f in `find . -name "*.go" -not -name "*.pb.go"`; do \
-		out=`gofmt -s -d $$f`; \
-		test -z "$$out" || (echo $$out && exit 1); \
-	done
-	which golint || go get -u golang.org/x/lint/golint
-	golint -set_exit_status ./...
-	go vet -all
-
 .PHONY: quick
 quick: testdata # runs all tests without the race detector or coverage
 ifeq ($(PROTOC_VER), 3.17.0)

artifact_test.go

@@ -13,6 +13,8 @@ var (
 	artifactTpl    = template.Must(template.New("foo").Parse("{{ . }}"))
 )
 
+const fName = "foo"
+
 func TestGeneratorFile_ProtoFile(t *testing.T) {
 	t.Parallel()
 
@@ -25,7 +27,7 @@ func TestGeneratorFile_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.Name = "foo"
+	f.Name = fName
 	pb, err = f.ProtoFile()
 	assert.NoError(t, err)
 	assert.Equal(t, f.Name, pb.GetName())
@@ -47,7 +49,7 @@ func TestGeneratorTemplateFile_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.Name = "foo"
+	f.Name = fName
 	pb, err = f.ProtoFile()
 	assert.Error(t, err)
 	assert.Nil(t, pb)
@@ -71,7 +73,7 @@ func TestGeneratorAppend_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.FileName = "foo"
+	f.FileName = fName
 	pb, err = f.ProtoFile()
 	assert.NoError(t, err)
 	assert.Empty(t, pb.GetName())
@@ -93,7 +95,7 @@ func TestGeneratorTemplateAppend_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.FileName = "foo"
+	f.FileName = fName
 	pb, err = f.ProtoFile()
 	assert.Error(t, err)
 	assert.Nil(t, pb)
@@ -118,7 +120,7 @@ func TestGeneratorInjection_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.FileName = "foo"
+	f.FileName = fName
 	pb, err = f.ProtoFile()
 	assert.NoError(t, err)
 	assert.Equal(t, f.FileName, pb.GetName())
@@ -142,7 +144,7 @@ func TestGeneratorTemplateInjection_ProtoFile(t *testing.T) {
 	assert.Error(t, err)
 	assert.Nil(t, pb)
 
-	f.FileName = "foo"
+	f.FileName = fName
 	pb, err = f.ProtoFile()
 	assert.Error(t, err)
 	assert.Nil(t, pb)

field_test.go

@@ -251,8 +251,7 @@ func dummyOneOfField(synthetic bool) *field {
 	m := dummyMsg()
 	o := dummyOneof()
 	str := descriptor.FieldDescriptorProto_TYPE_STRING
-	var oIndex int32
-	oIndex = 1
+	var oIndex int32 = 1
 	f := &field{desc: &descriptor.FieldDescriptorProto{
 		Name:           proto.String("field"),
 		Type:           &str,

field_type_test.go

@@ -304,9 +304,8 @@ func TestMapT_Key(t *testing.T) {
 
 type mockT struct {
 	FieldType
-	i   []File
-	f   Field
-	err error
+	i []File
+	f Field
 }
 
 func (t *mockT) Imports() []File { return t.i }

lang/go/name.go

@@ -22,7 +22,7 @@ func (c context) Name(node pgs.Node) pgs.Name {
 		return c.PackageName(en)
 	case ChildEntity: // Message or Enum types, which may be nested
 		if p, ok := en.Parent().(pgs.Message); ok {
-			return pgs.Name(joinChild(c.Name(p), en.Name()))
+			return joinChild(c.Name(p), en.Name())
 		}
 		return PGGUpperCamelCase(en.Name())
 	case pgs.Field: // field names cannot conflict with other generated methods
@@ -31,9 +31,9 @@ func (c context) Name(node pgs.Node) pgs.Name {
 		return replaceProtected(PGGUpperCamelCase(en.Name()))
 	case pgs.EnumValue: // EnumValue are prefixed with the enum name
 		if _, ok := en.Enum().Parent().(pgs.File); ok {
-			return pgs.Name(joinNames(c.Name(en.Enum()), en.Name()))
+			return joinNames(c.Name(en.Enum()), en.Name())
 		}
-		return pgs.Name(joinNames(c.Name(en.Enum().Parent()), en.Name()))
+		return joinNames(c.Name(en.Enum().Parent()), en.Name())
 	case pgs.Service: // always return the server name
 		return c.ServerName(en)
 	case pgs.Entity: // any other entity should be just upper-camel-cased
@@ -44,7 +44,7 @@ func (c context) Name(node pgs.Node) pgs.Name {
 }
 
 func (c context) OneofOption(field pgs.Field) pgs.Name {
-	n := pgs.Name(joinNames(c.Name(field.Message()), c.Name(field)))
+	n := joinNames(c.Name(field.Message()), c.Name(field))
 
 	for _, msg := range field.Message().Messages() {
 		if c.Name(msg) == n {

lang/go/type_name_p2_presence_test.go

@@ -1,3 +1,4 @@
+//go:build !proto3_presence
 // +build !proto3_presence
 
 package pgsgo

method.go

@@ -93,4 +93,4 @@ func (m *method) childAtPath(path []int32) Entity {
 
 func (m *method) addSourceCodeInfo(info SourceCodeInfo) { m.info = info }
 
-var m Method = (*method)(nil)
+var _ Method = (*method)(nil)