Add Golint and fix all issues

Dockerfile

@@ -5,6 +5,7 @@ RUN go version
 RUN apt-get update
 RUN curl -sL https://deb.nodesource.com/setup_7.x | bash
 RUN apt-get install -y build-essential nodejs
+RUN go get -u github.com/golang/lint/golint
 
 ENV BP=$GOPATH/src/github.com/gobuffalo/buffalo
 
@@ -16,6 +17,8 @@ RUN go get -v -t ./...
 
 RUN go test -race ./...
 
+RUN golint -set_exit_status ./...
+
 RUN go install ./buffalo
 
 WORKDIR $GOPATH/src/

buffalo/cmd/build.go

@@ -42,9 +42,9 @@ var outputBinName string
 var zipBin bool
 
 type builder struct {
-	cleanup       []string
-	original_main []byte
-	workDir       string
+	cleanup      []string
+	originalMain []byte
+	workDir      string
 }
 
 func (b *builder) clean(name ...string) string {
@@ -206,12 +206,12 @@ func (b *builder) buildRiceEmbedded() error {
 }
 
 func (b *builder) buildMain() error {
-	new_main := strings.Replace(string(b.original_main), "func main()", "func original_main()", 1)
+	newMain := strings.Replace(string(b.originalMain), "func main()", "func originalMain()", 1)
 	maingo, err := os.Create("main.go")
 	if err != nil {
 		return err
 	}
-	_, err = maingo.WriteString(new_main)
+	_, err = maingo.WriteString(newMain)
 	if err != nil {
 		return err
 	}
@@ -245,7 +245,7 @@ func (b *builder) cleanupBuild() {
 		os.RemoveAll(b)
 	}
 	maingo, _ := os.Create("main.go")
-	maingo.Write(b.original_main)
+	maingo.Write(b.originalMain)
 }
 
 func (b *builder) run() error {
@@ -309,18 +309,18 @@ var buildCmd = &cobra.Command{
 	Aliases: []string{"b", "bill"},
 	Short:   "Builds a Buffalo binary, including bundling of assets (go.rice & webpack)",
 	RunE: func(cc *cobra.Command, args []string) error {
-		original_main := &bytes.Buffer{}
+		originalMain := &bytes.Buffer{}
 		maingo, err := os.Open("main.go")
-		_, err = original_main.ReadFrom(maingo)
+		_, err = originalMain.ReadFrom(maingo)
 		if err != nil {
 			return err
 		}
 		maingo.Close()
 		pwd, _ := os.Getwd()
 		b := builder{
-			cleanup:       []string{},
-			original_main: original_main.Bytes(),
-			workDir:       pwd,
+			cleanup:      []string{},
+			originalMain: originalMain.Bytes(),
+			workDir:      pwd,
 		}
 		defer b.cleanupBuild()
 
@@ -362,15 +362,15 @@ var migrationBox *rice.Box
 func main() {
 	args := os.Args
 	if len(args) == 1 {
-		original_main()
+		originalMain()
 	}
 	c := args[1]
 	switch c {
 	case "migrate":
 		migrate()
 	case "start", "run", "serve":
 		printVersion()
-		original_main()
+		originalMain()
 	case "version":
 		printVersion()
 	default:

examples/hello-world/actions/home.go

@@ -2,6 +2,7 @@ package actions
 
 import "github.com/gobuffalo/buffalo"
 
+// HomeHandler renders index.html
 func HomeHandler(c buffalo.Context) error {
 	return c.Render(200, r.HTML("index.html"))
 }

examples/hello-world/grifts/routes.go

@@ -4,11 +4,11 @@ import (
 	"os"
 
 	"github.com/gobuffalo/buffalo/examples/hello-world/actions"
-	. "github.com/markbates/grift/grift"
+	mbgrift "github.com/markbates/grift/grift"
 	"github.com/olekukonko/tablewriter"
 )
 
-var _ = Add("routes", func(c *Context) error {
+var _ = mbgrift.Add("routes", func(c *mbgrift.Context) error {
 	a := actions.App()
 	routes := a.Routes()
 

examples/html-crud/actions/users.go

@@ -23,6 +23,7 @@ func findUserMW(h buffalo.Handler) buffalo.Handler {
 	}
 }
 
+// UsersList renders an html page that shows users
 func UsersList(c buffalo.Context) error {
 	users := &models.Users{}
 	tx := c.Get("tx").(*pop.Connection)
@@ -35,15 +36,18 @@ func UsersList(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/index.html"))
 }
 
+// UsersShow renders an html form for viewing a user
 func UsersShow(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/show.html"))
 }
 
+// UsersNew renders a form for adding a new user
 func UsersNew(c buffalo.Context) error {
 	c.Set("user", models.User{})
 	return c.Render(200, r.HTML("users/new.html"))
 }
 
+// UsersCreate creates a user
 func UsersCreate(c buffalo.Context) error {
 	u := &models.User{}
 	err := c.Bind(u)
@@ -69,10 +73,12 @@ func UsersCreate(c buffalo.Context) error {
 	return c.Redirect(301, "/users/%d", u.ID)
 }
 
+// UsersEdit renders the editing page for a target user
 func UsersEdit(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/edit.html"))
 }
 
+// UsersUpdate updates a target user
 func UsersUpdate(c buffalo.Context) error {
 	tx := c.Get("tx").(*pop.Connection)
 	u := c.Get("user").(*models.User)
@@ -103,6 +109,7 @@ func UsersUpdate(c buffalo.Context) error {
 	return c.Redirect(301, "/users/%d", u.ID)
 }
 
+// UsersDelete removes a target user
 func UsersDelete(c buffalo.Context) error {
 	tx := c.Get("tx").(*pop.Connection)
 	u := c.Get("user").(*models.User)

examples/html-crud/grifts/db.go

@@ -2,11 +2,11 @@ package grifts
 
 import (
 	"github.com/gobuffalo/buffalo/examples/html-crud/models"
-	. "github.com/markbates/grift/grift"
+	"github.com/markbates/grift/grift"
 	"github.com/markbates/pop"
 )
 
-var _ = Add("db:seed", func(c *Context) error {
+var _ = grift.Add("db:seed", func(c *grift.Context) error {
 	return models.DB.Transaction(func(tx *pop.Connection) error {
 		users := models.Users{
 			{FirstName: "Mark", LastName: "Bates", Email: "mark@example.com"},

examples/html-crud/grifts/routes.go

@@ -4,11 +4,11 @@ import (
 	"os"
 
 	"github.com/gobuffalo/buffalo/examples/html-crud/actions"
-	. "github.com/markbates/grift/grift"
+	"github.com/markbates/grift/grift"
 	"github.com/olekukonko/tablewriter"
 )
 
-var _ = Add("routes", func(c *Context) error {
+var _ = grift.Add("routes", func(c *grift.Context) error {
 	a := actions.App()
 	routes := a.Routes()
 

examples/html-crud/models/models.go

@@ -8,6 +8,7 @@ import (
 	"github.com/markbates/pop"
 )
 
+// DB is a sql database connection
 var DB *pop.Connection
 
 func init() {

examples/html-crud/models/user.go

@@ -10,6 +10,7 @@ import (
 	"github.com/markbates/pop"
 )
 
+// User model stores information about a user account
 type User struct {
 	ID        int       `json:"id" db:"id" schema:"-"`
 	CreatedAt time.Time `json:"created_at" db:"created_at"`
@@ -25,10 +26,13 @@ func (u User) String() string {
 	return string(b)
 }
 
+// FullName returns the first name and last name, separated by a space
 func (u User) FullName() string {
 	return fmt.Sprintf("%s %s", u.FirstName, u.LastName)
 }
 
+// ValidateNew validates the User fields and checks whether a user has
+// already claimed that email address
 func (u *User) ValidateNew(tx *pop.Connection) (*validate.Errors, error) {
 	verrs, err := u.validateCommon(tx)
 	verrs.Append(validate.Validate(
@@ -47,13 +51,16 @@ func (u *User) ValidateNew(tx *pop.Connection) (*validate.Errors, error) {
 	return verrs, err
 }
 
+// ValidateUpdate validates the User fields and confirms that the email has
+// not been claimed by a different user
 func (u *User) ValidateUpdate(tx *pop.Connection) (*validate.Errors, error) {
 	verrs, err := u.validateCommon(tx)
 	verrs.Append(validate.Validate(
 		&validators.FuncValidator{
 			Fn: func() bool {
 				var b bool
 				if u.Email != "" {
+					// Differs from ValidateNew here - only check whether *other* users claimed email
 					b, err = tx.Where("email = ? and id != ?", u.Email, u.ID).Exists(u)
 				}
 				return !b

examples/html-resource/actions/users.go

@@ -7,6 +7,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// UsersResource allows CRUD with HTTP against the User model
 type UsersResource struct {
 	buffalo.BaseResource
 }
@@ -29,6 +30,7 @@ func findUserMW(n string) buffalo.MiddlewareFunc {
 	}
 }
 
+// List shows all users in an HTML page
 func (ur *UsersResource) List(c buffalo.Context) error {
 	users := &models.Users{}
 	tx := c.Get("tx").(*pop.Connection)
@@ -41,15 +43,18 @@ func (ur *UsersResource) List(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/index.html"))
 }
 
+// Show renders a target user in an HTML page
 func (ur *UsersResource) Show(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/show.html"))
 }
 
+// New renders a form for adding a new user
 func (ur *UsersResource) New(c buffalo.Context) error {
 	c.Set("user", models.User{})
 	return c.Render(200, r.HTML("users/new.html"))
 }
 
+// Create is a JSON API endpoint that adds a new user
 func (ur *UsersResource) Create(c buffalo.Context) error {
 	u := &models.User{}
 	err := c.Bind(u)
@@ -75,10 +80,12 @@ func (ur *UsersResource) Create(c buffalo.Context) error {
 	return c.Redirect(301, "/users/%d", u.ID)
 }
 
+// Edit renders an html form for editing a user
 func (ur *UsersResource) Edit(c buffalo.Context) error {
 	return c.Render(200, r.HTML("users/edit.html"))
 }
 
+// Update is a JSON API endpoint that updates a user
 func (ur *UsersResource) Update(c buffalo.Context) error {
 	tx := c.Get("tx").(*pop.Connection)
 	u := c.Get("user").(*models.User)
@@ -109,6 +116,7 @@ func (ur *UsersResource) Update(c buffalo.Context) error {
 	return c.Redirect(301, "/users/%d", u.ID)
 }
 
+// Destroy is an API endpoint that deletes a user
 func (ur *UsersResource) Destroy(c buffalo.Context) error {
 	tx := c.Get("tx").(*pop.Connection)
 	u := c.Get("user").(*models.User)

examples/html-resource/grifts/db.go

@@ -2,11 +2,11 @@ package grifts
 
 import (
 	"github.com/gobuffalo/buffalo/examples/html-resource/models"
-	. "github.com/markbates/grift/grift"
+	"github.com/markbates/grift/grift"
 	"github.com/markbates/pop"
 )
 
-var _ = Add("db:seed", func(c *Context) error {
+var _ = grift.Add("db:seed", func(c *grift.Context) error {
 	return models.DB.Transaction(func(tx *pop.Connection) error {
 		users := models.Users{
 			{FirstName: "Mark", LastName: "Bates", Email: "mark@example.com"},

examples/html-resource/grifts/routes.go

@@ -4,11 +4,11 @@ import (
 	"os"
 
 	"github.com/gobuffalo/buffalo/examples/html-resource/actions"
-	. "github.com/markbates/grift/grift"
+	"github.com/markbates/grift/grift"
 	"github.com/olekukonko/tablewriter"
 )
 
-var _ = Add("routes", func(c *Context) error {
+var _ = grift.Add("routes", func(c *grift.Context) error {
 	a := actions.App()
 	routes := a.Routes()
 

examples/html-resource/models/models.go

@@ -8,6 +8,7 @@ import (
 	"github.com/markbates/pop"
 )
 
+// DB is a sql database connection
 var DB *pop.Connection
 
 func init() {

examples/html-resource/models/user.go

@@ -10,6 +10,7 @@ import (
 	"github.com/markbates/pop"
 )
 
+// User model stores information about a user account
 type User struct {
 	ID        int       `json:"id" db:"id" schema:"-"`
 	CreatedAt time.Time `json:"created_at" db:"created_at"`
@@ -25,10 +26,13 @@ func (u User) String() string {
 	return string(b)
 }
 
+// FullName returns the first name and last name, separated by a space
 func (u User) FullName() string {
 	return fmt.Sprintf("%s %s", u.FirstName, u.LastName)
 }
 
+// ValidateNew validates the User fields and checks whether a user has
+// claimed that email address
 func (u *User) ValidateNew(tx *pop.Connection) (*validate.Errors, error) {
 	verrs, err := u.validateCommon(tx)
 	verrs.Append(validate.Validate(
@@ -47,13 +51,16 @@ func (u *User) ValidateNew(tx *pop.Connection) (*validate.Errors, error) {
 	return verrs, err
 }
 
+// ValidateUpdate validates the User fields and confirms that the email has
+// not been claimed
 func (u *User) ValidateUpdate(tx *pop.Connection) (*validate.Errors, error) {
 	verrs, err := u.validateCommon(tx)
 	verrs.Append(validate.Validate(
 		&validators.FuncValidator{
 			Fn: func() bool {
 				var b bool
 				if u.Email != "" {
+					// Differs from ValidateNew here - only check whether *other* users claimed email
 					b, err = tx.Where("email = ? and id != ?", u.Email, u.ID).Exists(u)
 				}
 				return !b