updated the integration tests to use gometalinter and setup a bunch of linters that need to pass before a PR can merge.

.gometalinter.json

@@ -0,0 +1,3 @@
+{
+  "Enable": ["vet", "golint", "goimports", "deadcode", "gotype", "ineffassign", "misspell", "nakedret", "unconvert", "megacheck", "varcheck"]
+}

Dockerfile

@@ -2,7 +2,8 @@ FROM gobuffalo/buffalo:development
 
 RUN buffalo version
 
-RUN go get -v -u github.com/golang/lint/golint
+RUN go get -u github.com/alecthomas/gometalinter
+RUN gometalinter --install
 RUN go get -v -u github.com/markbates/filetest
 RUN go get -v -u github.com/gobuffalo/makr
 RUN go get -v -u github.com/markbates/grift
@@ -24,18 +25,17 @@ RUN go get -v -t ./...
 
 RUN go install -v -tags sqlite ./buffalo
 
-RUN go test -tags sqlite -race $(go list ./... | grep -v /vendor/)
-
-RUN golint -set_exit_status $(go list ./... | grep -v /vendor/)
+RUN go test -tags sqlite -race ./...
 
+RUN gometalinter --vendor --deadline=5m ./...
 
 WORKDIR $GOPATH/src/
 RUN buffalo new  --db-type=sqlite3 hello_world --ci-provider=travis
 WORKDIR ./hello_world
 
 RUN filetest -c $GOPATH/src/github.com/gobuffalo/buffalo/buffalo/cmd/filetests/new_travis.json
 
-RUN go vet -x $(go list ./... | grep -v /vendor/)
+RUN go vet ./...
 RUN buffalo db create -a
 RUN buffalo db migrate -e test
 RUN buffalo test -race

app.go

@@ -49,22 +49,19 @@ func (a *App) Serve() error {
 		<-ctx.Done()
 		logrus.Info("Shutting down application")
 
-		err := a.Stop(ctx.Err())
-		if err != nil {
+		if err := a.Stop(ctx.Err()); err != nil {
 			logrus.Error(err)
 		}
 
 		if !a.WorkerOff {
 			// stop the workers
 			logrus.Info("Shutting down worker")
-			err = a.Worker.Stop()
-			if err != nil {
+			if err := a.Worker.Stop(); err != nil {
 				logrus.Error(err)
 			}
 		}
 
-		err = server.Shutdown(ctx)
-		if err != nil {
+		if err := server.Shutdown(ctx); err != nil {
 			logrus.Error(err)
 		}
 
@@ -73,32 +70,29 @@ func (a *App) Serve() error {
 	// if configured to do so, start the workers
 	if !a.WorkerOff {
 		go func() {
-			err := a.Worker.Start(ctx)
-			if err != nil {
+			if err := a.Worker.Start(ctx); err != nil {
 				a.Stop(err)
 			}
 		}()
 	}
 
-	var err error
-
 	if strings.HasPrefix(a.Options.Addr, "unix:") {
 		// Use an UNIX socket
 		listener, err := net.Listen("unix", a.Options.Addr[5:])
 		if err != nil {
 			return a.Stop(err)
 		}
 		// start the web server
-		err = server.Serve(listener)
-	} else {
-		// Use a TCP socket
-		server.Addr = a.Options.Addr
-
-		// start the web server
-		err = server.ListenAndServe()
+		if err = server.Serve(listener); err != nil {
+			return a.Stop(err)
+		}
+		return nil
 	}
+	// Use a TCP socket
+	server.Addr = a.Options.Addr
 
-	if err != nil {
+	// start the web server
+	if err := server.ListenAndServe(); err != nil {
 		return a.Stop(err)
 	}
 
@@ -126,8 +120,7 @@ func (a *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var h http.Handler
-	h = a.router
+	var h http.Handler = a.router
 	if a.Env == "development" {
 		h = web.ErrorChecker(h)
 	}
@@ -160,8 +153,8 @@ func New(opts Options) *App {
 		}
 	}
 
-	a.router.NotFoundHandler = http.HandlerFunc(notFoundHandler("path not found: %s %s", 404))
-	a.router.MethodNotAllowedHandler = http.HandlerFunc(notFoundHandler("method not found: %s %s", 405))
+	a.router.NotFoundHandler = notFoundHandler("path not found: %s %s", 404)
+	a.router.MethodNotAllowedHandler = notFoundHandler("method not found: %s %s", 405)
 
 	if a.MethodOverride == nil {
 		a.MethodOverride = MethodOverride

binding/file.go

@@ -22,10 +22,7 @@ type File struct {
 
 // Valid if there is an actual uploaded file
 func (f File) Valid() bool {
-	if f.File == nil {
-		return false
-	}
-	return true
+	return f.File != nil
 }
 
 func (f File) String() string {

binding/file_test.go

@@ -106,10 +106,11 @@ func newfileUploadRequest(uri string, paramName, path string) (*http.Request, er
 	if err != nil {
 		return nil, err
 	}
-	_, err = io.Copy(part, file)
+	if _, err = io.Copy(part, file); err != nil {
+		return nil, err
+	}
 
-	err = writer.Close()
-	if err != nil {
+	if err = writer.Close(); err != nil {
 		return nil, err
 	}
 

buffalo/cmd/build/templates.go

@@ -19,7 +19,7 @@ func (b *Builder) validateTemplates() error {
 		return nil
 	}
 	errs := []string{}
-	err := filepath.Walk(filepath.Join(b.App.Root, "templates"), func(path string, info os.FileInfo, err error) error {
+	err := filepath.Walk(filepath.Join(b.App.Root, "templates"), func(path string, info os.FileInfo, _ error) error {
 		if info == nil || info.IsDir() {
 			return nil
 		}

buffalo/cmd/destroy/resource.go

@@ -47,15 +47,15 @@ var ResourceCmd = &cobra.Command{
 
 func confirm(msg string) bool {
 	reader := bufio.NewReader(os.Stdin)
-	fmt.Printf(msg)
+	fmt.Print(msg)
 	text, _ := reader.ReadString('\n')
 
 	return (text == "y\n" || text == "Y\n")
 }
 
 func removeTemplates(fileName string) {
 	if YesToAll || confirm("Want to remove templates? (Y/n)") {
-		templatesFolder := fmt.Sprintf(filepath.Join("templates", fileName))
+		templatesFolder := filepath.Join("templates", fileName)
 		logrus.Infof("- Deleted %v folder\n", templatesFolder)
 		os.RemoveAll(templatesFolder)
 	}

buffalo/cmd/dev.go

@@ -101,15 +101,16 @@ func startWebpack(ctx context.Context) error {
 
 func startDevServer(ctx context.Context) error {
 	cfgFile := "./.buffalo.dev.yml"
-	_, err := os.Stat(cfgFile)
-	if err != nil {
+	if _, err := os.Stat(cfgFile); err != nil {
 		err = rg.Run("./", map[string]interface{}{
 			"name": "buffalo",
 		})
+		if err != nil {
+			return err
+		}
 	}
 	c := &refresh.Configuration{}
-	err = c.Load(cfgFile)
-	if err != nil {
+	if err := c.Load(cfgFile); err != nil {
 		return err
 	}
 	c.Debug = devOptions.Debug

buffalo/cmd/generate/resource.go

@@ -44,8 +44,6 @@ var ResourceCmd = &cobra.Command{
 	},
 }
 
-var resourceMN string
-
 func init() {
 	ResourceCmd.Flags().BoolVarP(&resourceOptions.SkipMigration, "skip-migration", "s", false, "tells resource generator not-to add model migration")
 	ResourceCmd.Flags().BoolVarP(&resourceOptions.SkipModel, "skip-model", "", false, "tells resource generator not to generate model nor migrations")

buffalo/cmd/new.go

@@ -22,8 +22,6 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var rootPath string
-
 var app = newapp.Generator{
 	App:        meta.New("."),
 	DBType:     "postgres",

buffalo/cmd/root.go

@@ -29,7 +29,7 @@ var RootCmd = &cobra.Command{
 			return nil
 		}
 
-		if insideBuffaloProject() == false {
+		if !insideBuffaloProject() {
 			return errors.New("you need to be inside your buffalo project path to run this command")
 		}
 

buffalo/cmd/setup.go

@@ -57,7 +57,6 @@ Tests:
 }
 
 func updateGoDepsCheck(app meta.App) error {
-	deps, _ := deplist.List()
 	if app.WithDep {
 		// use github.com/golang/dep
 		args := []string{"ensure"}
@@ -189,8 +188,7 @@ func npmCheck(app meta.App) error {
 }
 
 func yarnCheck(app meta.App) error {
-	err := nodeCheck(app)
-	if err != nil {
+	if err := nodeCheck(app); err != nil {
 		return errors.WithStack(err)
 	}
 	if _, err := exec.LookPath("yarn"); err != nil {
@@ -199,8 +197,7 @@ func yarnCheck(app meta.App) error {
 			return errors.Errorf("This application require yarn, and we could not find it installed on your system. We tried to install it for you, but ran into the following error:\n%s", err)
 		}
 	}
-	err = run(exec.Command("yarn", "install", "--no-progress"))
-	if err != nil {
+	if err := run(exec.Command("yarn", "install", "--no-progress")); err != nil {
 		return errors.Errorf("We encountered the following error when trying to install your asset dependencies using yarn:\n%s", err)
 	}
 	return nil

buffalo/cmd/updater/dep.go

@@ -12,14 +12,6 @@ import (
 	"golang.org/x/sync/errgroup"
 )
 
-type lockToml struct {
-	Name     string   `toml:"name"`
-	Branch   string   `toml:"branch"`
-	Packages []string `toml:"packages"`
-	Revision string   `toml:"revision"`
-	Version  string   `toml:"version"`
-}
-
 func goGetUpdate(r *Runner) error {
 	fmt.Println("~~~ Running go get ~~~")
 	ctx, cancel := context.WithCancel(context.Background())
@@ -68,10 +60,8 @@ func DepEnsure(r *Runner) error {
 		"github.com/gobuffalo/[email protected]",
 	}
 	args := []string{"ensure", "-v", "-add"}
+	args = append(args, apkg...)
 
-	for _, p := range apkg {
-		args = append(args, p)
-	}
 	cc = exec.Command("dep", args...)
 	cc.Stdin = os.Stdin
 	cc.Stderr = os.Stderr
@@ -87,9 +77,7 @@ func DepEnsure(r *Runner) error {
 	}
 
 	args = []string{"ensure", "-v", "-update"}
-	for _, p := range upkg {
-		args = append(args, p)
-	}
+	args = append(args, upkg...)
 	cc = exec.Command("dep", args...)
 	cc.Stdin = os.Stdin
 	cc.Stderr = os.Stderr

buffalo/cmd/updater/deprecations.go

@@ -21,7 +21,7 @@ func DeprecrationsCheck(r *Runner) error {
 		r.Warnings = append(r.Warnings, "app.Start has been removed in v0.11.0. Use app.Serve Instead. [main.go]")
 	}
 
-	return filepath.Walk(filepath.Join(r.App.Root, "actions"), func(path string, info os.FileInfo, err error) error {
+	return filepath.Walk(filepath.Join(r.App.Root, "actions"), func(path string, info os.FileInfo, _ error) error {
 		if info.IsDir() {
 			return nil
 		}
@@ -47,7 +47,7 @@ func DeprecrationsCheck(r *Runner) error {
 		if bytes.Contains(b, []byte("T.LanguageFinder=")) || bytes.Contains(b, []byte("T.LanguageFinder ")) {
 			r.Warnings = append(r.Warnings, fmt.Sprintf("i18n.Translator#LanguageFinder has been deprecated in v0.11.1. Use i18n.Translator#LanguageExtractors instead. [%s]", path))
 		}
-		ioutil.WriteFile(path, b, 664)
+		ioutil.WriteFile(path, b, 0664)
 
 		return nil
 	})

buffalo/cmd/updater/imports.go

@@ -125,7 +125,7 @@ func (c ImportConverter) rewriteFile(name string) error {
 		}
 	}
 
-	// if no change occured, then we don't need to write to disk, just return.
+	// if no change occurred, then we don't need to write to disk, just return.
 	if !change {
 		return nil
 	}

default_context.go

@@ -178,10 +178,10 @@ func (d *DefaultContext) Error(status int, err error) error {
 // Websocket is deprecated, and will be removed in v0.12.0. Use github.com/gorilla/websocket directly instead.
 func (d *DefaultContext) Websocket() (*websocket.Conn, error) {
 	warningMsg := "Websocket is deprecated, and will be removed in v0.12.0. Use github.com/gorilla/websocket directly instead."
-	_, file, no, ok := runtime.Caller(1)
-	if ok {
+	if _, file, no, ok := runtime.Caller(1); ok {
 		warningMsg = fmt.Sprintf("%s Called from %s:%d", warningMsg, file, no)
 	}
+	fmt.Println(warningMsg)
 	return defaultUpgrader.Upgrade(d.Response(), d.Request(), nil)
 }
 

errors.go

@@ -80,10 +80,10 @@ func productionErrorResponseFor(status int) []byte {
 	return []byte(prodErrorTmpl)
 }
 
-func defaultErrorHandler(status int, err error, c Context) error {
+func defaultErrorHandler(status int, origErr error, c Context) error {
 	env := c.Value("env")
 
-	c.Logger().Error(err)
+	c.Logger().Error(origErr)
 	c.Response().WriteHeader(status)
 
 	if env != nil && env.(string) == "production" {
@@ -92,17 +92,22 @@ func defaultErrorHandler(status int, err error, c Context) error {
 		return nil
 	}
 
-	msg := fmt.Sprintf("%+v", err)
+	msg := fmt.Sprintf("%+v", origErr)
 	ct := httpx.ContentType(c.Request())
 	switch strings.ToLower(ct) {
 	case "application/json", "text/json", "json":
-		err = json.NewEncoder(c.Response()).Encode(map[string]interface{}{
+		err := json.NewEncoder(c.Response()).Encode(map[string]interface{}{
 			"error": msg,
 			"code":  status,
 		})
+		if err != nil {
+			return errors.WithStack(err)
+		}
 	case "application/xml", "text/xml", "xml":
 	default:
-		err := c.Request().ParseForm()
+		if err := c.Request().ParseForm(); err != nil {
+			msg = fmt.Sprintf("%s\n%s", err.Error(), msg)
+		}
 		routes := c.Value("routes")
 		if cd, ok := c.(*DefaultContext); ok {
 			delete(cd.data, "app")
@@ -130,7 +135,7 @@ func defaultErrorHandler(status int, err error, c Context) error {
 		_, err = res.Write([]byte(t))
 		return err
 	}
-	return err
+	return nil
 }
 
 type inspectHeaders http.Header

generators/action/action.go

@@ -77,7 +77,7 @@ func (act Generator) buildTestsTemplate(filePath string) string {
 func (act Generator) addTemplateFiles(actionsToAdd []inflect.Name, data makr.Data) error {
 	for _, action := range actionsToAdd {
 		vg := makr.New()
-		viewPath := filepath.Join("templates", fmt.Sprintf("%s", act.Name.File()), fmt.Sprintf("%s.html", action.File()))
+		viewPath := filepath.Join("templates", act.Name.File(), fmt.Sprintf("%s.html", action.File()))
 		vg.Add(makr.NewFile(viewPath, viewTmpl))
 		err := vg.Run(".", makr.Data{
 			"opts":   act,

generators/grift/generator.go

@@ -35,7 +35,7 @@ func New(args ...string) (Generator, error) {
 		for _, n := range strings.Split(args[0], ":") {
 			g.Parts = append(g.Parts, inflect.Name(n))
 		}
-		g.Name = inflect.Name(g.Parts[len(g.Parts)-1])
+		g.Name = g.Parts[len(g.Parts)-1]
 	}
 
 	return g, g.Validate()