feat: exclude Swagger Codegen files (golangci#4967)

Author: ldez

pkg/result/processors/autogenerated_exclude.go

@@ -18,10 +18,19 @@ const (
 	AutogeneratedModeDisable = "disable"
 )
 
+// The values must be in lowercase.
 const (
 	genCodeGenerated = "code generated"
 	genDoNotEdit     = "do not edit"
-	genAutoFile      = "autogenerated file" // easyjson
+
+	// Related to easyjson.
+	genAutoFile = "autogenerated file"
+
+	//nolint:lll // Long URL
+	// Related to Swagger Codegen.
+	// https://github.com/swagger-api/swagger-codegen/blob/61cfeac3b9d855b4eb8bffa0d118bece117bcb7d/modules/swagger-codegen/src/main/resources/go/partial_header.mustache#L16
+	// https://github.com/swagger-api/swagger-codegen/issues/12358
+	genSwaggerCodegen = "* generated by: swagger codegen "
 )
 
 var _ Processor = (*AutogeneratedExclude)(nil)
@@ -101,7 +110,7 @@ func (p *AutogeneratedExclude) shouldPassIssue(issue *result.Issue) (bool, error
 // The function uses a bit laxer rules than isGeneratedFileStrict to match more generated code.
 // See https://github.com/golangci/golangci-lint/issues/48 and https://github.com/golangci/golangci-lint/issues/72.
 func (p *AutogeneratedExclude) isGeneratedFileLax(doc string) bool {
-	markers := []string{genCodeGenerated, genDoNotEdit, genAutoFile}
+	markers := []string{genCodeGenerated, genDoNotEdit, genAutoFile, genSwaggerCodegen}
 
 	doc = strings.ToLower(doc)
 

pkg/result/processors/autogenerated_exclude_test.go

@@ -42,6 +42,7 @@ func TestAutogeneratedExclude_isGeneratedFileLax_generated(t *testing.T) {
 * THIS FILE SHOULD NOT BE EDITED BY HAND
   */`,
 		`// AUTOGENERATED FILE: easyjson file.go`,
+		` * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)`,
 	}
 
 	for _, comment := range comments {