add skip any generated files

protogetter.go

@@ -56,14 +56,16 @@ func flags(opts *Config) flag.FlagSet {
 		}
 		return nil
 	})
+	fs.BoolVar(&opts.SkipAnyGenerated, "skip-any-generated", false, "skip any generated files")
 
 	return *fs
 }
 
 type Config struct {
-	Mode            Mode     // Zero value is StandaloneMode.
-	SkipGeneratedBy []string `short:"g" long:"skip-generated-by" description:"Skip files generated with the given prefixes"`
-	SkipFiles       []string `short:"f" long:"skip-files" description:"Skip files with the given glob patterns"`
+	Mode             Mode // Zero value is StandaloneMode.
+	SkipGeneratedBy  []string
+	SkipFiles        []string
+	SkipAnyGenerated bool
 }
 
 func Run(pass *analysis.Pass, cfg *Config) ([]Issue, error) {
@@ -104,7 +106,7 @@ func Run(pass *analysis.Pass, cfg *Config) ([]Issue, error) {
 	// Skip filtered files.
 	var files []*ast.File
 	for _, f := range pass.Files {
-		if skipGeneratedFile(f, skipGeneratedBy) {
+		if skipGeneratedFile(f, skipGeneratedBy, cfg.SkipAnyGenerated) {
 			continue
 		}
 
@@ -233,13 +235,19 @@ func (r *Report) ToIssue(fset *token.FileSet) Issue {
 	}
 }
 
-func skipGeneratedFile(f *ast.File, prefixes []string) bool {
+func skipGeneratedFile(f *ast.File, prefixes []string, skipAny bool) bool {
 	if len(f.Comments) == 0 {
 		return false
 	}
+	firstComment := f.Comments[0].Text()
+
+	// https://golang.org/s/generatedcode
+	if skipAny && strings.HasPrefix(firstComment, "Code generated") {
+		return true
+	}
 
 	for _, prefix := range prefixes {
-		if strings.HasPrefix(f.Comments[0].Text(), "Code generated by "+prefix) {
+		if strings.HasPrefix(firstComment, "Code generated by "+prefix) {
 			return true
 		}
 	}