Add generated time flag

cmd/swag/main.go

@@ -18,6 +18,7 @@ const (
 	parseVendorFlag      = "parseVendor"
 	parseDependencyFlag  = "parseDependency"
 	markdownFilesFlag    = "markdownFiles"
+	generatedTimeFlag    = "generatedTime"
 )
 
 var initFlags = []cli.Flag{
@@ -54,6 +55,10 @@ var initFlags = []cli.Flag{
 		Value: "",
 		Usage: "Parse folder containing markdown files to use as description, disabled by default",
 	},
+	cli.BoolTFlag{
+		Name:  "generatedTime",
+		Usage: "Generate timestamp at the top of docs.go, true by default",
+	},
 }
 
 func initAction(c *cli.Context) error {
@@ -73,6 +78,7 @@ func initAction(c *cli.Context) error {
 		ParseVendor:        c.Bool(parseVendorFlag),
 		ParseDependency:    c.Bool(parseDependencyFlag),
 		MarkdownFilesDir:   c.String(markdownFilesFlag),
+		GeneratedTime:      c.BoolT(generatedTimeFlag),
 	})
 }
 

gen/gen.go

@@ -57,6 +57,9 @@ type Config struct {
 
 	// MarkdownFilesDir used to find markdownfiles, which can be used for tag descriptions
 	MarkdownFilesDir string
+
+	// GeneratedTime whether swag should generate the timestamp at the top of docs.go
+	GeneratedTime bool
 }
 
 // Build builds swagger json file  for given searchDir and mainAPIFile. Returns json
@@ -111,7 +114,7 @@ func (g *Gen) Build(config *Config) error {
 	}
 
 	// Write doc
-	err = g.writeGoDoc(docs, swagger)
+	err = g.writeGoDoc(docs, swagger, config)
 	if err != nil {
 		return err
 	}
@@ -142,7 +145,7 @@ func (g *Gen) formatSource(src []byte) []byte {
 	return code
 }
 
-func (g *Gen) writeGoDoc(output io.Writer, swagger *spec.Swagger) error {
+func (g *Gen) writeGoDoc(output io.Writer, swagger *spec.Swagger, config *Config) error {
 
 	generator, err := template.New("swagger_info").Funcs(template.FuncMap{
 		"printDoc": func(v string) string {
@@ -195,23 +198,25 @@ func (g *Gen) writeGoDoc(output io.Writer, swagger *spec.Swagger) error {
 
 	buffer := &bytes.Buffer{}
 	err = generator.Execute(buffer, struct {
-		Timestamp   time.Time
-		Doc         string
-		Host        string
-		BasePath    string
-		Schemes     []string
-		Title       string
-		Description string
-		Version     string
+		Timestamp     time.Time
+		GeneratedTime bool
+		Doc           string
+		Host          string
+		BasePath      string
+		Schemes       []string
+		Title         string
+		Description   string
+		Version       string
 	}{
-		Timestamp:   time.Now(),
-		Doc:         string(buf),
-		Host:        swagger.Host,
-		BasePath:    swagger.BasePath,
-		Schemes:     swagger.Schemes,
-		Title:       swagger.Info.Title,
-		Description: swagger.Info.Description,
-		Version:     swagger.Info.Version,
+		Timestamp:     time.Now(),
+		GeneratedTime: config.GeneratedTime,
+		Doc:           string(buf),
+		Host:          swagger.Host,
+		BasePath:      swagger.BasePath,
+		Schemes:       swagger.Schemes,
+		Title:         swagger.Info.Title,
+		Description:   swagger.Info.Description,
+		Version:       swagger.Info.Version,
 	})
 	if err != nil {
 		return err
@@ -225,8 +230,8 @@ func (g *Gen) writeGoDoc(output io.Writer, swagger *spec.Swagger) error {
 }
 
 var packageTemplate = `// GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
-// This file was generated by swaggo/swag at
-// {{ .Timestamp }}
+// This file was generated by swaggo/swag{{ if .GeneratedTime }} at
+// {{ .Timestamp }}{{ end }}
 
 package docs
 

gen/gen_test.go

@@ -262,9 +262,14 @@ fmt.Print("Helo world")
 	assert.NotEqual(t, []byte(src2), res, "Should return fmt code")
 }
 
-type mocWriter struct{}
+type mocWriter struct {
+	hook func([]byte)
+}
 
 func (w *mocWriter) Write(data []byte) (int, error) {
+	if w.hook != nil {
+		w.hook(data)
+	}
 	return len(data), nil
 }
 
@@ -274,7 +279,7 @@ func TestGen_writeGoDoc(t *testing.T) {
 	swapTemplate := packageTemplate
 
 	packageTemplate = `{{{`
-	err := gen.writeGoDoc(nil, nil)
+	err := gen.writeGoDoc(nil, nil, &Config{})
 	assert.Error(t, err)
 
 	packageTemplate = `{{.Data}}`
@@ -284,9 +289,23 @@ func TestGen_writeGoDoc(t *testing.T) {
 			Info: &spec.Info{},
 		},
 	}
-	err = gen.writeGoDoc(&mocWriter{}, swagger)
+	err = gen.writeGoDoc(&mocWriter{}, swagger, &Config{})
 	assert.Error(t, err)
 
+	packageTemplate = `{{ if .GeneratedTime }}Fake Time{{ end }}`
+	err = gen.writeGoDoc(&mocWriter{
+		hook: func(data []byte) {
+			assert.Equal(t, "Fake Time", string(data))
+		},
+	}, swagger, &Config{GeneratedTime: true})
+	assert.NoError(t, err)
+	err = gen.writeGoDoc(&mocWriter{
+		hook: func(data []byte) {
+			assert.Equal(t, "", string(data))
+		},
+	}, swagger, &Config{GeneratedTime: false})
+	assert.NoError(t, err)
+
 	packageTemplate = swapTemplate
 
 }