feat: semantic release (#151)

feat: semantic release

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @moul

.github/FUNDING.yml

@@ -0,0 +1,6 @@
+#github: ["moul"]
+patreon: moul
+open_collective: moul
+custom:
+- "https://www.buymeacoffee.com/moul"
+- "https://manfred.life/donate"

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: "[BUG] "
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Type '....'
+3. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots / Logs**
+If applicable, add screenshots or logs to help explain your problem.
+
+**Versions (please complete the following information, if relevant):**
+- Software version: [e.g. v1.2.3, latest, building from sources]
+- OS: [e.g. Ubuntu, Mac, iOS, ...]
+- Golang version [e.g. 1.13]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,8 @@
+---
+name: Custom
+about: 'Anything else: questions, discussions, thanks, ascii-arts, ...'
+title: ''
+labels: discussion
+assignees: moul
+
+---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: "[IDEA] "
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,9 @@
+<!--
+Thank you for your contribution to this repo!
+
+Before submitting a pull request, please check the following:
+- reference any related issue, PR, link
+- use the "WIP" title prefix if you need help or more time to finish your PR
+
+you can remove this markdown comment
+-->

.github/renovate.json

@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "groupName": "all"
+}

.github/workflows/release.yml

@@ -0,0 +1,13 @@
+name: Semantic Release
+
+on: push
+
+jobs:
+  semantic-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: codfish/semantic-release-action@v1
+        if: github.ref == 'refs/heads/master'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.releaserc.js

@@ -0,0 +1,8 @@
+module.exports = {
+    branch: 'master',
+    plugins: [
+        '@semantic-release/commit-analyzer',
+        '@semantic-release/release-notes-generator',
+        '@semantic-release/github',
+    ],
+};

README.md

@@ -153,6 +153,10 @@ $> docker run --rm -v "$(pwd):$(pwd)" -w "$(pwd)" moul/protoc-gen-gotemplate -I.
 * [translator](https://github.com/moul/translator): Translator Micro-service using Gettext and Go-Kit
 * [acl](https://github.com/moul/acl): ACL micro-service (gRPC/protobuf + http/json)
 
+## See also
+
+* [pbhbs](https://github.com/gponsinet/pbhbs): protobuf gen based on handlebarjs template
+
 ## License
 
 MIT

encoder.go

@@ -210,10 +210,8 @@ func (e *GenericTemplateBasedEncoder) Files() []*plugin_go.CodeGeneratorResponse
 		case f := <-resultChan:
 			files = append(files, f)
 		case err = <-errChan:
+			panic(err)
 		}
 	}
-	if err != nil {
-		panic(err)
-	}
 	return files
 }

helpers/helpers.go

@@ -94,15 +94,15 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	"trimstr": func(cutset, s string) string {
 		return strings.Trim(s, cutset)
 	},
-	"index": func(array interface{}, i int32) interface{} {
+	"index": func(array interface{}, i int) interface{} {
 		slice := reflect.ValueOf(array)
 		if slice.Kind() != reflect.Slice {
 			panic("Error in index(): given a non-slice type")
 		}
-		if i < 0 || int(i) >= slice.Len() {
+		if i < 0 || i >= slice.Len() {
 			panic("Error in index(): index out of bounds")
 		}
-		return slice.Index(int(i)).Interface()
+		return slice.Index(i).Interface()
 	},
 	"add": func(a int, b int) int {
 		return a + b
@@ -146,10 +146,14 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	"leadingComment":               leadingComment,
 	"trailingComment":              trailingComment,
 	"leadingDetachedComments":      leadingDetachedComments,
+	"stringFileOptionsExtension":   stringFileOptionsExtension,
+	"stringMessageExtension":       stringMessageExtension,
 	"stringFieldExtension":         stringFieldExtension,
 	"int64FieldExtension":          int64FieldExtension,
+	"int64MessageExtension":        int64MessageExtension,
 	"stringMethodOptionsExtension": stringMethodOptionsExtension,
 	"boolMethodOptionsExtension":   boolMethodOptionsExtension,
+	"boolMessageExtension":         boolMessageExtension,
 	"boolFieldExtension":           boolFieldExtension,
 	"isFieldMap":                   isFieldMap,
 	"fieldMapKeyType":              fieldMapKeyType,
@@ -157,6 +161,8 @@ var ProtoHelpersFuncMap = template.FuncMap{
 	"replaceDict":                  replaceDict,
 	"setStore":                     setStore,
 	"getStore":                     getStore,
+	"goPkg":                        goPkg,
+	"goPkgLastElement":             goPkgLastElement,
 }
 
 var pathMap map[interface{}]*descriptor.SourceCodeInfo_Location
@@ -343,6 +349,46 @@ func stringMethodOptionsExtension(fieldID int32, f *descriptor.MethodDescriptorP
 	return *str
 }
 
+// stringFileOptionsExtension extracts file options of a string type.
+// To define your own extensions see:
+// https://developers.google.com/protocol-buffers/docs/proto#customoptions
+// Typically the fieldID of private extensions should be in the range:
+// 50000-99999
+func stringFileOptionsExtension(fieldID int32, f *descriptor.FileDescriptorProto) string {
+	if f == nil {
+		return ""
+	}
+	if f.Options == nil {
+		return ""
+	}
+	var extendedType *descriptor.FileOptions
+	var extensionType *string
+
+	eds := proto.RegisteredExtensions(f.Options)
+	if eds[fieldID] == nil {
+		ed := &proto.ExtensionDesc{
+			ExtendedType:  extendedType,
+			ExtensionType: extensionType,
+			Field:         fieldID,
+			Tag:           fmt.Sprintf("bytes,%d", fieldID),
+		}
+		proto.RegisterExtension(ed)
+		eds = proto.RegisteredExtensions(f.Options)
+	}
+
+	ext, err := proto.GetExtension(f.Options, eds[fieldID])
+	if err != nil {
+		return ""
+	}
+
+	str, ok := ext.(*string)
+	if !ok {
+		return ""
+	}
+
+	return *str
+}
+
 func stringFieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) string {
 	if f == nil {
 		return ""
@@ -386,7 +432,7 @@ func int64FieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) int6
 		return 0
 	}
 	var extendedType *descriptor.FieldOptions
-	var extensionType *string
+	var extensionType *int64
 
 	eds := proto.RegisteredExtensions(f.Options)
 	if eds[fieldID] == nil {
@@ -394,7 +440,7 @@ func int64FieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) int6
 			ExtendedType:  extendedType,
 			ExtensionType: extensionType,
 			Field:         fieldID,
-			Tag:           fmt.Sprintf("bytes,%d", fieldID),
+			Tag:           fmt.Sprintf("varint,%d", fieldID),
 		}
 		proto.RegisterExtension(ed)
 		eds = proto.RegisteredExtensions(f.Options)
@@ -413,6 +459,76 @@ func int64FieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) int6
 	return *i
 }
 
+func int64MessageExtension(fieldID int32, f *descriptor.DescriptorProto) int64 {
+	if f == nil {
+		return 0
+	}
+	if f.Options == nil {
+		return 0
+	}
+	var extendedType *descriptor.MessageOptions
+	var extensionType *int64
+
+	eds := proto.RegisteredExtensions(f.Options)
+	if eds[fieldID] == nil {
+		ed := &proto.ExtensionDesc{
+			ExtendedType:  extendedType,
+			ExtensionType: extensionType,
+			Field:         fieldID,
+			Tag:           fmt.Sprintf("varint,%d", fieldID),
+		}
+		proto.RegisterExtension(ed)
+		eds = proto.RegisteredExtensions(f.Options)
+	}
+
+	ext, err := proto.GetExtension(f.Options, eds[fieldID])
+	if err != nil {
+		return 0
+	}
+
+	i, ok := ext.(*int64)
+	if !ok {
+		return 0
+	}
+
+	return *i
+}
+
+func stringMessageExtension(fieldID int32, f *descriptor.DescriptorProto) string {
+	if f == nil {
+		return ""
+	}
+	if f.Options == nil {
+		return ""
+	}
+	var extendedType *descriptor.MessageOptions
+	var extensionType *string
+
+	eds := proto.RegisteredExtensions(f.Options)
+	if eds[fieldID] == nil {
+		ed := &proto.ExtensionDesc{
+			ExtendedType:  extendedType,
+			ExtensionType: extensionType,
+			Field:         fieldID,
+			Tag:           fmt.Sprintf("bytes,%d", fieldID),
+		}
+		proto.RegisterExtension(ed)
+		eds = proto.RegisteredExtensions(f.Options)
+	}
+
+	ext, err := proto.GetExtension(f.Options, eds[fieldID])
+	if err != nil {
+		return ""
+	}
+
+	str, ok := ext.(*string)
+	if !ok {
+		return ""
+	}
+
+	return *str
+}
+
 func boolMethodOptionsExtension(fieldID int32, f *descriptor.MethodDescriptorProto) bool {
 	if f == nil {
 		return false
@@ -483,6 +599,41 @@ func boolFieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) bool
 	return *b
 }
 
+func boolMessageExtension(fieldID int32, f *descriptor.DescriptorProto) bool {
+	if f == nil {
+		return false
+	}
+	if f.Options == nil {
+		return false
+	}
+	var extendedType *descriptor.MessageOptions
+	var extensionType *bool
+
+	eds := proto.RegisteredExtensions(f.Options)
+	if eds[fieldID] == nil {
+		ed := &proto.ExtensionDesc{
+			ExtendedType:  extendedType,
+			ExtensionType: extensionType,
+			Field:         fieldID,
+			Tag:           fmt.Sprintf("varint,%d", fieldID),
+		}
+		proto.RegisterExtension(ed)
+		eds = proto.RegisteredExtensions(f.Options)
+	}
+
+	ext, err := proto.GetExtension(f.Options, eds[fieldID])
+	if err != nil {
+		return false
+	}
+
+	b, ok := ext.(*bool)
+	if !ok {
+		return false
+	}
+
+	return *b
+}
+
 func init() {
 	for k, v := range sprig.TxtFuncMap() {
 		ProtoHelpersFuncMap[k] = v
@@ -1164,3 +1315,13 @@ func replaceDict(src string, dict map[string]interface{}) string {
 	}
 	return src
 }
+
+func goPkg(f *descriptor.FileDescriptorProto) string {
+	return f.Options.GetGoPackage()
+}
+
+func goPkgLastElement(f *descriptor.FileDescriptorProto) string {
+	pkg := goPkg(f)
+	pkgSplitted := strings.Split(pkg, "/")
+	return pkgSplitted[len(pkgSplitted)-1]
+}

main.go

@@ -48,6 +48,7 @@ func main() {
 		debug             = false
 		all               = false
 		singlePackageMode = false
+		fileMode          = false
 	)
 	if parameter := g.Request.GetParameter(); parameter != "" {
 		for _, param := range strings.Split(parameter, ",") {
@@ -85,6 +86,14 @@ func main() {
 				default:
 					log.Printf("Err: invalid value for debug: %q", parts[1])
 				}
+			case "file-mode":
+				switch strings.ToLower(parts[1]) {
+				case boolTrue, "t":
+					fileMode = true
+				case boolFalse, "f":
+				default:
+					log.Printf("Err: invalid value for file-mode: %q", parts[1])
+				}
 			default:
 				log.Printf("Err: unknown parameter: %q", param)
 			}
@@ -125,6 +134,17 @@ func main() {
 			continue
 		}
 
+		if fileMode {
+			if s := file.GetService(); s != nil && len(s) > 0 {
+				encoder := NewGenericTemplateBasedEncoder(templateDir, file, debug, destinationDir)
+				for _, tmpl := range encoder.Files() {
+					concatOrAppend(tmpl)
+				}
+			}
+
+			continue
+		}
+
 		for _, service := range file.GetService() {
 			encoder := NewGenericServiceTemplateBasedEncoder(templateDir, service, file, debug, destinationDir)
 			for _, tmpl := range encoder.Files() {