fixes

Makefile

@@ -0,0 +1,2 @@
+test:
+	go test -v ./...

internal/commands/run.go

@@ -37,6 +37,7 @@ func (e *Executor) initRun() {
 		config.OutFormatColoredLineNumber,
 		fmt.Sprintf("Format of output: %s", strings.Join(config.OutFormats, "|")))
 	runCmd.Flags().BoolVar(&rc.PrintIssuedLine, "print-issued-lines", true, "Print lines of code with issue")
+	runCmd.Flags().BoolVar(&rc.PrintLinterName, "print-linter-name", true, "Print linter name in issue line")
 
 	runCmd.Flags().IntVar(&rc.ExitCodeIfIssuesFound, "issues-exit-code",
 		1, "Exit code when issues were found")
@@ -53,7 +54,7 @@ func (e *Executor) initRun() {
 	runCmd.Flags().BoolVar(&rc.Gofmt.Simplify, "gofmt.simplify", true, "Gofmt: simplify code")
 
 	runCmd.Flags().IntVar(&rc.Gocyclo.MinComplexity, "gocyclo.min-complexity",
-		50, "Minimal complexity of function to report it")
+		30, "Minimal complexity of function to report it")
 
 	runCmd.Flags().BoolVar(&rc.Structcheck.CheckExportedFields, "structcheck.exported-fields", false, "Structcheck: report about unused exported struct fields")
 	runCmd.Flags().BoolVar(&rc.Varcheck.CheckExportedFields, "varcheck.exported-fields", false, "Varcheck: report about unused exported variables")
@@ -240,7 +241,8 @@ func (e *Executor) executeRun(cmd *cobra.Command, args []string) {
 		if e.cfg.Run.OutFormat == config.OutFormatJSON {
 			p = printers.NewJSON()
 		} else {
-			p = printers.NewText(e.cfg.Run.PrintIssuedLine, e.cfg.Run.OutFormat == config.OutFormatColoredLineNumber)
+			p = printers.NewText(e.cfg.Run.PrintIssuedLine,
+				e.cfg.Run.OutFormat == config.OutFormatColoredLineNumber, e.cfg.Run.PrintLinterName)
 		}
 		gotAnyIssues, err := p.Print(issues)
 		if err != nil {

pkg/config/config.go

@@ -35,6 +35,7 @@ type Run struct { // nolint:maligned
 
 	OutFormat       string
 	PrintIssuedLine bool
+	PrintLinterName bool
 
 	ExitCodeIfIssuesFound int
 

pkg/enabled_linters_test.go

@@ -49,7 +49,14 @@ func installBinary(t *testing.T) {
 
 func testOneSource(t *testing.T, sourcePath string) {
 	goErrchkBin := filepath.Join(runtime.GOROOT(), "test", "errchk")
-	cmd := exec.Command(goErrchkBin, binName, "run", "--enable-all", "--gocyclo.min-complexity", "20", sourcePath)
+	cmd := exec.Command(goErrchkBin, binName, "run",
+		"--enable-all",
+		"--dupl.threshold=20",
+		"--gocyclo.min-complexity=20",
+		"--print-issued-lines=false",
+		"--print-linter-name=false",
+		"--out-format=line-number",
+		sourcePath)
 	runGoErrchk(cmd, t)
 }
 

pkg/fsutils/fsutils.go

@@ -34,7 +34,8 @@ func (p ProjectPaths) MixedPaths() []string {
 func (p ProjectPaths) FilesGrouppedByDirs() [][]string {
 	dirToFiles := map[string][]string{}
 	for _, f := range p.Files {
-		dirToFiles[filepath.Dir(f)] = append(dirToFiles[f], f)
+		dir := filepath.Dir(f)
+		dirToFiles[dir] = append(dirToFiles[dir], f)
 	}
 
 	ret := [][]string{}

pkg/golinters/golint.go

@@ -18,7 +18,7 @@ func (Golint) Name() string {
 func (g Golint) Run(ctx context.Context, lintCtx *Context) ([]result.Issue, error) {
 	var issues []result.Issue
 	for _, pkgFiles := range lintCtx.Paths.FilesGrouppedByDirs() {
-		i, err := lintFiles(lintCtx.RunCfg().Golint.MinConfidence, pkgFiles...)
+		i, err := g.lintFiles(lintCtx.RunCfg().Golint.MinConfidence, pkgFiles...)
 		if err != nil {
 			// TODO: skip and warn
 			return nil, fmt.Errorf("can't lint files %s: %s", lintCtx.Paths.Files, err)
@@ -29,7 +29,7 @@ func (g Golint) Run(ctx context.Context, lintCtx *Context) ([]result.Issue, erro
 	return issues, nil
 }
 
-func lintFiles(minConfidence float64, filenames ...string) ([]result.Issue, error) {
+func (g Golint) lintFiles(minConfidence float64, filenames ...string) ([]result.Issue, error) {
 	files := make(map[string][]byte)
 	for _, filename := range filenames {
 		src, err := ioutil.ReadFile(filename)
@@ -51,6 +51,7 @@ func lintFiles(minConfidence float64, filenames ...string) ([]result.Issue, erro
 			issues = append(issues, result.Issue{
 				Pos:        p.Position,
 				Text:       p.Text,
+				FromLinter: g.Name(),
 			})
 			// TODO: use p.Link and p.Category
 		}

pkg/printers/text.go

@@ -14,12 +14,14 @@ import (
 type Text struct {
 	printIssuedLine bool
 	useColors       bool
+	printLinterName bool
 }
 
-func NewText(printIssuedLine bool, useColors bool) *Text {
+func NewText(printIssuedLine, useColors, printLinterName bool) *Text {
 	return &Text{
 		printIssuedLine: printIssuedLine,
 		useColors:       useColors,
+		printLinterName: printLinterName,
 	}
 }
 
@@ -47,6 +49,9 @@ func (p Text) Print(issues chan result.Issue) (bool, error) {
 	for i := range issues {
 		gotAnyIssue = true
 		text := p.SprintfColored(color.FgRed, "%s", i.Text)
+		if p.printLinterName {
+			text += fmt.Sprintf(" (%s)", i.FromLinter)
+		}
 		pos := p.SprintfColored(color.Bold, "%s:%d", i.FilePath(), i.Line())
 		fmt.Fprintf(out, "%s: %s\n", pos, text)
 

pkg/testdata/with_issues/golint.go

@@ -13,3 +13,9 @@ type ExportedInterfaceWithNoComment interface{}
 
 // Bad comment // ERROR "comment on exported function ExportedFuncWithBadComment should be of the form .ExportedFuncWithBadComment \.\.\.."
 func ExportedFuncWithBadComment() {}
+
+type GolintTest struct{}
+
+func (receiver1 GolintTest) A() {}
+
+func (receiver2 GolintTest) B() {} // ERROR "receiver name receiver2 should be consistent with previous receiver name receiver1 for GolintTest"