go lint

bale.go

@@ -68,7 +68,7 @@ func runBale(cmd *Command, args []string) int {
 
 	// Generate auto-uncompress function.
 	buf := new(bytes.Buffer)
-	buf.WriteString(fmt.Sprintf(_BALE_HEADER, conf.Bale.Import,
+	buf.WriteString(fmt.Sprintf(BaleHeader, conf.Bale.Import,
 		strings.Join(resFiles, "\",\n\t\t\""),
 		strings.Join(resFiles, ",\n\t\tbale.R")))
 
@@ -90,7 +90,7 @@ func runBale(cmd *Command, args []string) int {
 }
 
 const (
-	_BALE_HEADER = `package main
+	BaleHeader = `package main
 
 import(
 	"os"
@@ -178,7 +178,7 @@ func walkFn(resPath string, info os.FileInfo, err error) error {
 	defer fw.Close()
 
 	// Write header.
-	fmt.Fprintf(fw, _HEADER, resPath)
+	fmt.Fprintf(fw, Header, resPath)
 
 	// Copy and compress data.
 	gz := gzip.NewWriter(&ByteWriter{Writer: fw})
@@ -186,7 +186,7 @@ func walkFn(resPath string, info os.FileInfo, err error) error {
 	gz.Close()
 
 	// Write footer.
-	fmt.Fprint(fw, _FOOTER)
+	fmt.Fprint(fw, Footer)
 
 	resFiles = append(resFiles, resPath)
 	return nil
@@ -202,7 +202,7 @@ func filterSuffix(name string) bool {
 }
 
 const (
-	_HEADER = `package bale
+	Header = `package bale
 
 import(
 	"bytes"
@@ -212,7 +212,7 @@ import(
 
 func R%s() []byte {
 	gz, err := gzip.NewReader(bytes.NewBuffer([]byte{`
-	_FOOTER = `
+	Footer = `
 	}))
 
 	if err != nil {

conf.go

@@ -19,7 +19,7 @@ import (
 	"os"
 )
 
-const CONF_VER = 0
+const ConfVer = 0
 
 var defaultConf = `{
 	"version": 0,
@@ -91,7 +91,7 @@ func loadConfig() error {
 	}
 
 	// Check format version.
-	if conf.Version != CONF_VER {
+	if conf.Version != ConfVer {
 		ColorLog("[WARN] Your bee.json is out-of-date, please update!\n")
 		ColorLog("[HINT] Compare bee.json under bee source code path and yours\n")
 	}

g_appcode.go

@@ -29,9 +29,9 @@ import (
 )
 
 const (
-	O_MODEL byte = 1 << iota
-	O_CONTROLLER
-	O_ROUTER
+	OModel byte = 1 << iota
+	OController
+	ORouter
 )
 
 // DbTransformer has method to reverse engineer a database schema to restful api code
@@ -259,11 +259,11 @@ func generateAppcode(driver, connStr, level, tables, currpath string) {
 	var mode byte
 	switch level {
 	case "1":
-		mode = O_MODEL
+		mode = OModel
 	case "2":
-		mode = O_MODEL | O_CONTROLLER
+		mode = OModel | OController
 	case "3":
-		mode = O_MODEL | O_CONTROLLER | O_ROUTER
+		mode = OModel | OController | ORouter
 	default:
 		ColorLog("[ERRO] Invalid 'level' option: %s\n", level)
 		ColorLog("[HINT] Level must be either 1, 2 or 3\n")
@@ -505,10 +505,9 @@ func (*MysqlDB) GetGoDataType(sqlType string) (goType string) {
 	typeMapping = typeMappingMysql
 	if v, ok := typeMapping[sqlType]; ok {
 		return v
-	} else {
+	}
 	ColorLog("[ERRO] data type (%s) not found!\n", sqlType)
 	os.Exit(2)
-	}
 	return goType
 }
 
@@ -692,22 +691,21 @@ func (postgresDB *PostgresDB) GetColumns(db *sql.DB, table *Table, blackList map
 func (*PostgresDB) GetGoDataType(sqlType string) (goType string) {
 	if v, ok := typeMappingPostgres[sqlType]; ok {
 		return v
-	} else {
+	}
 	ColorLog("[ERRO] data type (%s) not found!\n", sqlType)
 	os.Exit(2)
-	}
 	return goType
 }
 
 // deleteAndRecreatePaths removes several directories completely
 func createPaths(mode byte, paths *MvcPath) {
-	if (mode & O_MODEL) == O_MODEL {
+	if (mode & OModel) == OModel {
 		os.Mkdir(paths.ModelPath, 0777)
 	}
-	if (mode & O_CONTROLLER) == O_CONTROLLER {
+	if (mode & OController) == OController {
 		os.Mkdir(paths.ControllerPath, 0777)
 	}
-	if (mode & O_ROUTER) == O_ROUTER {
+	if (mode & ORouter) == ORouter {
 		os.Mkdir(paths.RouterPath, 0777)
 	}
 }
@@ -716,15 +714,15 @@ func createPaths(mode byte, paths *MvcPath) {
 // It will wipe the following directories and recreate them:./models, ./controllers, ./routers
 // Newly geneated files will be inside these folders.
 func writeSourceFiles(pkgPath string, tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
-	if (O_MODEL & mode) == O_MODEL {
+	if (OModel & mode) == OModel {
 		ColorLog("[INFO] Creating model files...\n")
 		writeModelFiles(tables, paths.ModelPath, selectedTables)
 	}
-	if (O_CONTROLLER & mode) == O_CONTROLLER {
+	if (OController & mode) == OController {
 		ColorLog("[INFO] Creating controller files...\n")
 		writeControllerFiles(tables, paths.ControllerPath, selectedTables, pkgPath)
 	}
-	if (O_ROUTER & mode) == O_ROUTER {
+	if (ORouter & mode) == ORouter {
 		ColorLog("[INFO] Creating router files...\n")
 		writeRouterFile(tables, paths.RouterPath, selectedTables, pkgPath)
 	}
@@ -764,9 +762,9 @@ func writeModelFiles(tables []*Table, mPath string, selectedTables map[string]bo
 		}
 		template := ""
 		if tb.Pk == "" {
-			template = STRUCT_MODEL_TPL
+			template = StructModelTPL
 		} else {
-			template = MODEL_TPL
+			template = ModelTPL
 		}
 		fileStr := strings.Replace(template, "{{modelStruct}}", tb.String(), 1)
 		fileStr = strings.Replace(fileStr, "{{modelName}}", camelCase(tb.Name), -1)
@@ -825,7 +823,7 @@ func writeControllerFiles(tables []*Table, cPath string, selectedTables map[stri
 				continue
 			}
 		}
-		fileStr := strings.Replace(CTRL_TPL, "{{ctrlName}}", camelCase(tb.Name), -1)
+		fileStr := strings.Replace(CtrlTPL, "{{ctrlName}}", camelCase(tb.Name), -1)
 		fileStr = strings.Replace(fileStr, "{{pkgPath}}", pkgPath, -1)
 		if _, err := f.WriteString(fileStr); err != nil {
 			ColorLog("[ERRO] Could not write controller file to %s\n", fpath)
@@ -851,13 +849,13 @@ func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bo
 			continue
 		}
 		// add name spaces
-		nameSpace := strings.Replace(NAMESPACE_TPL, "{{nameSpace}}", tb.Name, -1)
+		nameSpace := strings.Replace(NamespaceTPL, "{{nameSpace}}", tb.Name, -1)
 		nameSpace = strings.Replace(nameSpace, "{{ctrlName}}", camelCase(tb.Name), -1)
 		nameSpaces = append(nameSpaces, nameSpace)
 	}
 	// add export controller
 	fpath := path.Join(rPath, "router.go")
-	routerStr := strings.Replace(ROUTER_TPL, "{{nameSpaces}}", strings.Join(nameSpaces, ""), 1)
+	routerStr := strings.Replace(RouterTPL, "{{nameSpaces}}", strings.Join(nameSpaces, ""), 1)
 	routerStr = strings.Replace(routerStr, "{{pkgPath}}", pkgPath, 1)
 	var f *os.File
 	var err error
@@ -1001,12 +999,12 @@ func getPackagePath(curpath string) (packpath string) {
 }
 
 const (
-	STRUCT_MODEL_TPL = `package models
+	StructModelTPL = `package models
 {{importTimePkg}}
 {{modelStruct}}
 `
 
-	MODEL_TPL = `package models
+	ModelTPL = `package models
 
 import (
 	"errors"
@@ -1150,7 +1148,7 @@ func Delete{{modelName}}(id int) (err error) {
 	return
 }
 `
-	CTRL_TPL = `package controllers
+	CtrlTPL = `package controllers
 
 import (
 	"{{pkgPath}}/models"
@@ -1316,7 +1314,7 @@ func (c *{{ctrlName}}Controller) Delete() {
 	c.ServeJSON()
 }
 `
-	ROUTER_TPL = `// @APIVersion 1.0.0
+	RouterTPL = `// @APIVersion 1.0.0
 // @Title beego Test API
 // @Description beego has a very cool tools to autogenerate documents for your API
 // @Contact astaxie@gmail.com
@@ -1338,7 +1336,7 @@ func init() {
 	beego.AddNamespace(ns)
 }
 `
-	NAMESPACE_TPL = `
+	NamespaceTPL = `
 		beego.NSNamespace("/{{nameSpace}}",
 			beego.NSInclude(
 				&controllers.{{ctrlName}}Controller{},

g_docs.go

@@ -393,7 +393,7 @@ func parserComments(comments *ast.CommentGroup, funcName, controllerName, pkgpat
 						if j == 0 || j == 1 {
 							st[j] = string(tmp)
 							tmp = make([]rune, 0)
-							j += 1
+							j++
 							start = false
 							if j == 1 {
 								continue
@@ -655,16 +655,14 @@ func typeAnalyser(f *ast.Field) (isSlice bool, realType string) {
 		}
 		if star, ok := arr.Elt.(*ast.StarExpr); ok {
 			return true, fmt.Sprint(star.X)
-		} else {
+		}
 		return true, fmt.Sprint(arr.Elt)
 	}
-	} else {
 	switch t := f.Type.(type) {
 	case *ast.StarExpr:
 		return false, fmt.Sprint(t.X)
 	}
 	return false, fmt.Sprint(f.Type)
-	}
 }
 
 func isBasicType(Type string) bool {
@@ -688,7 +686,7 @@ var basicTypes = []string{
 }
 
 // regexp get json tag
-func grepJsonTag(tag string) string {
+func grepJSONTag(tag string) string {
 	r, _ := regexp.Compile(`json:"([^"]*)"`)
 	matches := r.FindAllStringSubmatch(tag, -1)
 	if len(matches) > 0 {

g_hproseappcode.go

@@ -31,11 +31,11 @@ func generateHproseAppcode(driver, connStr, level, tables, currpath string) {
 	var mode byte
 	switch level {
 	case "1":
-		mode = O_MODEL
+		mode = OModel
 	case "2":
-		mode = O_MODEL | O_CONTROLLER
+		mode = OModel | OController
 	case "3":
-		mode = O_MODEL | O_CONTROLLER | O_ROUTER
+		mode = OModel | OController | ORouter
 	default:
 		ColorLog("[ERRO] Invalid 'level' option: %s\n", level)
 		ColorLog("[HINT] Level must be either 1, 2 or 3\n")
@@ -90,7 +90,7 @@ func genHprose(dbms, connStr string, mode byte, selectedTableNames map[string]bo
 // It will wipe the following directories and recreate them:./models, ./controllers, ./routers
 // Newly geneated files will be inside these folders.
 func writeHproseSourceFiles(pkgPath string, tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
-	if (O_MODEL & mode) == O_MODEL {
+	if (OModel & mode) == OModel {
 		ColorLog("[INFO] Creating model files...\n")
 		writeHproseModelFiles(tables, paths.ModelPath, selectedTables)
 	}
@@ -130,10 +130,10 @@ func writeHproseModelFiles(tables []*Table, mPath string, selectedTables map[str
 		}
 		template := ""
 		if tb.Pk == "" {
-			template = HPROSE_STRUCT_MODEL_TPL
+			template = HproseStructModelTPL
 		} else {
-			template = HPROSE_MODEL_TPL
-			hproseAddFunctions = append(hproseAddFunctions, strings.Replace(HPROSE_ADDFUNCTION, "{{modelName}}", camelCase(tb.Name), -1))
+			template = HproseModelTPL
+			hproseAddFunctions = append(hproseAddFunctions, strings.Replace(HproseAddFunction, "{{modelName}}", camelCase(tb.Name), -1))
 		}
 		fileStr := strings.Replace(template, "{{modelStruct}}", tb.String(), 1)
 		fileStr = strings.Replace(fileStr, "{{modelName}}", camelCase(tb.Name), -1)
@@ -157,7 +157,7 @@ func writeHproseModelFiles(tables []*Table, mPath string, selectedTables map[str
 }
 
 const (
-	HPROSE_ADDFUNCTION = `
+	HproseAddFunction = `
 	// publish about {{modelName}} function
 	service.AddFunction("Add{{modelName}}", models.Add{{modelName}})
 	service.AddFunction("Get{{modelName}}ById", models.Get{{modelName}}ById)
@@ -166,12 +166,12 @@ const (
 	service.AddFunction("Delete{{modelName}}", models.Delete{{modelName}})
 
 `
-	HPROSE_STRUCT_MODEL_TPL = `package models
+	HproseStructModelTPL = `package models
 {{importTimePkg}}
 {{modelStruct}}
 `
 
-	HPROSE_MODEL_TPL = `package models
+	HproseModelTPL = `package models
 
 import (
 	"errors"

g_migration.go

@@ -23,15 +23,15 @@ import (
 )
 
 const (
-	M_PATH        = "migrations"
-	M_DATE_FORMAT = "20060102_150405"
+	MPath = "migrations"
+	MDateFormat = "20060102_150405"
 )
 
 // generateMigration generates migration file template for database schema update.
 // The generated file template consists of an up() method for updating schema and
 // a down() method for reverting the update.
 func generateMigration(mname, upsql, downsql, curpath string) {
-	migrationFilePath := path.Join(curpath, "database", M_PATH)
+	migrationFilePath := path.Join(curpath, "database", MPath)
 	if _, err := os.Stat(migrationFilePath); os.IsNotExist(err) {
 		// create migrations directory
 		if err := os.MkdirAll(migrationFilePath, 0777); err != nil {
@@ -40,11 +40,11 @@ func generateMigration(mname, upsql, downsql, curpath string) {
 		}
 	}
 	// create file
-	today := time.Now().Format(M_DATE_FORMAT)
+	today := time.Now().Format(MDateFormat)
 	fpath := path.Join(migrationFilePath, fmt.Sprintf("%s_%s.go", today, mname))
 	if f, err := os.OpenFile(fpath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err == nil {
 		defer f.Close()
-		content := strings.Replace(MIGRATION_TPL, "{{StructName}}", camelCase(mname)+"_"+today, -1)
+		content := strings.Replace(MigrationTPL, "{{StructName}}", camelCase(mname)+"_"+today, -1)
 		content = strings.Replace(content, "{{CurrTime}}", today, -1)
 		content = strings.Replace(content, "{{UpSQL}}", upsql, -1)
 		content = strings.Replace(content, "{{DownSQL}}", downsql, -1)
@@ -59,7 +59,7 @@ func generateMigration(mname, upsql, downsql, curpath string) {
 	}
 }
 
-const MIGRATION_TPL = `package main
+const MigrationTPL = `package main
 
 import (
 	"github.com/astaxie/beego/migration"

g_model.go

@@ -2,10 +2,10 @@ package main
 
 import (
 	"errors"
+	"fmt"
 	"os"
 	"path"
 	"strings"
-	"fmt"
 )
 
 func generateModel(mname, fields, crupath string) {
@@ -16,7 +16,7 @@ func generateModel(mname, fields, crupath string) {
 		i := strings.LastIndex(p[:len(p)-1], "/")
 		packageName = p[i+1 : len(p)-1]
 	}
-	modelStruct, err, hastime := getStruct(modelName, fields)
+	modelStruct, hastime, err := getStruct(modelName, fields)
 	if err != nil {
 		ColorLog("[ERRO] Could not genrate models struct: %s\n", err)
 		os.Exit(2)
@@ -53,9 +53,9 @@ func generateModel(mname, fields, crupath string) {
 	}
 }
 
-func getStruct(structname, fields string) (string, error, bool) {
+func getStruct(structname, fields string) (string, bool, error) {
 	if fields == "" {
-		return "", errors.New("fields can't empty"), false
+		return "", false, errors.New("fields can't empty")
 	}
 	hastime := false
 	structStr := "type " + structname + " struct{\n"
@@ -63,11 +63,11 @@ func getStruct(structname, fields string) (string, error, bool) {
 	for i, v := range fds {
 		kv := strings.SplitN(v, ":", 2)
 		if len(kv) != 2 {
-			return "", errors.New("the filds format is wrong. should key:type,key:type " + v), false
+			return "", false, errors.New("the filds format is wrong. should key:type,key:type " + v)
 		}
 		typ, tag, hastimeinner := getType(kv[1])
 		if typ == "" {
-			return "", errors.New("the filds format is wrong. should key:type,key:type " + v), false
+			return "", false, errors.New("the filds format is wrong. should key:type,key:type " + v)
 		}
 		if i == 0 && strings.ToLower(kv[0]) != "id" {
 			structStr = structStr + "Id     int64     `orm:\"auto\"`\n"
@@ -78,7 +78,7 @@ func getStruct(structname, fields string) (string, error, bool) {
 		structStr = structStr + camelString(kv[0]) + "       " + typ + "     " + tag + "\n"
 	}
 	structStr += "}\n"
-	return structStr, nil, hastime
+	return structStr, hastime, nil
 }
 
 // fields support type
@@ -89,9 +89,8 @@ func getType(ktype string) (kt, tag string, hasTime bool) {
 	case "string":
 		if len(kv) == 2 {
 			return "string", "`orm:\"size(" + kv[1] + ")\"`", false
-		} else {
-			return "string", "`orm:\"size(128)\"`", false
 		}
+		return "string", "`orm:\"size(128)\"`", false
 	case "text":
 		return "string", "`orm:\"type(longtext)\"`", false
 	case "auto":

g_scaffold.go

@@ -54,11 +54,11 @@ func generateSQLFromFields(fields string) string {
 		typ, tag := "", ""
 		switch driver {
 		case "mysql":
-			typ, tag = getSqlTypeMysql(kv[1])
+			typ, tag = getSQLTypeMysql(kv[1])
 		case "postgres":
-			typ, tag = getSqlTypePostgresql(kv[1])
+			typ, tag = getSQLTypePostgresql(kv[1])
 		default:
-			typ, tag = getSqlTypeMysql(kv[1])
+			typ, tag = getSQLTypeMysql(kv[1])
 		}
 		if typ == "" {
 			ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
@@ -90,15 +90,14 @@ func generateSQLFromFields(fields string) string {
 	return sql
 }
 
-func getSqlTypeMysql(ktype string) (tp, tag string) {
+func getSQLTypeMysql(ktype string) (tp, tag string) {
 	kv := strings.SplitN(ktype, ":", 2)
 	switch kv[0] {
 	case "string":
 		if len(kv) == 2 {
 			return "varchar(" + kv[1] + ") NOT NULL", ""
-		} else {
-			return "varchar(128) NOT NULL", ""
 		}
+		return "varchar(128) NOT NULL", ""
 	case "text":
 		return "longtext  NOT NULL", ""
 	case "auto":
@@ -121,15 +120,14 @@ func getSqlTypeMysql(ktype string) (tp, tag string) {
 	return "", ""
 }
 
-func getSqlTypePostgresql(ktype string) (tp, tag string) {
+func getSQLTypePostgresql(ktype string) (tp, tag string) {
 	kv := strings.SplitN(ktype, ":", 2)
 	switch kv[0] {
 	case "string":
 		if len(kv) == 2 {
 			return "char(" + kv[1] + ") NOT NULL", ""
-		} else {
-			return "TEXT NOT NULL", ""
 		}
+		return "TEXT NOT NULL", ""
 	case "text":
 		return "TEXT NOT NULL", ""
 	case "auto", "pk":

migrate.go

@@ -167,23 +167,23 @@ func migrate(goal, crupath, driver, connStr string) {
 // checkForSchemaUpdateTable checks the existence of migrations table.
 // It checks for the proper table structures and creates the table using MYSQL_MIGRATION_DDL if it does not exist.
 func checkForSchemaUpdateTable(db *sql.DB, driver string) {
-	showTableSql := showMigrationsTableSql(driver)
-	if rows, err := db.Query(showTableSql); err != nil {
+	showTableSQL := showMigrationsTableSQL(driver)
+	if rows, err := db.Query(showTableSQL); err != nil {
 		ColorLog("[ERRO] Could not show migrations table: %s\n", err)
 		os.Exit(2)
 	} else if !rows.Next() {
 		// no migrations table, create anew
-		createTableSql := createMigrationsTableSql(driver)
+		createTableSQL := createMigrationsTableSQL(driver)
 		ColorLog("[INFO] Creating 'migrations' table...\n")
-		if _, err := db.Query(createTableSql); err != nil {
+		if _, err := db.Query(createTableSQL); err != nil {
 			ColorLog("[ERRO] Could not create migrations table: %s\n", err)
 			os.Exit(2)
 		}
 	}
 
 	// checking that migrations table schema are expected
-	selectTableSql := selectMigrationsTableSql(driver)
-	if rows, err := db.Query(selectTableSql); err != nil {
+	selectTableSQL := selectMigrationsTableSQL(driver)
+	if rows, err := db.Query(selectTableSQL); err != nil {
 		ColorLog("[ERRO] Could not show columns of migrations table: %s\n", err)
 		os.Exit(2)
 	} else {
@@ -219,7 +219,7 @@ func checkForSchemaUpdateTable(db *sql.DB, driver string) {
 	}
 }
 
-func showMigrationsTableSql(driver string) string {
+func showMigrationsTableSQL(driver string) string {
 	switch driver {
 	case "mysql":
 		return "SHOW TABLES LIKE 'migrations'"
@@ -230,18 +230,18 @@ func showMigrationsTableSql(driver string) string {
 	}
 }
 
-func createMigrationsTableSql(driver string) string {
+func createMigrationsTableSQL(driver string) string {
 	switch driver {
 	case "mysql":
-		return MYSQL_MIGRATION_DDL
+		return MYSQLMigrationDDL
 	case "postgres":
-		return POSTGRES_MIGRATION_DDL
+		return POSTGRESMigrationDDL
 	default:
-		return MYSQL_MIGRATION_DDL
+		return MYSQLMigrationDDL
 	}
 }
 
-func selectMigrationsTableSql(driver string) string {
+func selectMigrationsTableSQL(driver string) string {
 	switch driver {
 	case "mysql":
 		return "DESC migrations"
@@ -290,7 +290,7 @@ func writeMigrationSourceFile(dir, source, driver, connStr string, latestTime in
 		ColorLog("[ERRO] Could not create file: %s\n", err)
 		os.Exit(2)
 	} else {
-		content := strings.Replace(MIGRATION_MAIN_TPL, "{{DBDriver}}", driver, -1)
+		content := strings.Replace(MigrationMainTPL, "{{DBDriver}}", driver, -1)
 		content = strings.Replace(content, "{{ConnStr}}", connStr, -1)
 		content = strings.Replace(content, "{{LatestTime}}", strconv.FormatInt(latestTime, 10), -1)
 		content = strings.Replace(content, "{{LatestName}}", latestName, -1)
@@ -369,7 +369,7 @@ func formatShellOutput(o string) {
 }
 
 const (
-	MIGRATION_MAIN_TPL = `package main
+	MigrationMainTPL = `package main
 
 import(
 	"os"
@@ -408,7 +408,7 @@ func main(){
 }
 
 `
-	MYSQL_MIGRATION_DDL = `
+	MYSQLMigrationDDL = `
 CREATE TABLE migrations (
 	id_migration int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'surrogate key',
 	name varchar(255) DEFAULT NULL COMMENT 'migration name, unique',
@@ -420,7 +420,7 @@ CREATE TABLE migrations (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8
 `
 
-	POSTGRES_MIGRATION_DDL = `
+	POSTGRESMigrationDDL = `
 CREATE TYPE migrations_status AS ENUM('update', 'rollback');
 
 CREATE TABLE migrations (

pack.go

@@ -246,9 +246,8 @@ func (wft *walkFileTree) walkLeaf(fpath string, fi os.FileInfo, err error) error
 		}
 		wft.allfiles[name] = true
 		return err
-	} else {
-		return err
 	}
+	return err
 }
 
 func (wft *walkFileTree) iterDirectory(fpath string, fi os.FileInfo) error {

run.go

@@ -114,7 +114,7 @@ func runApp(cmd *Command, args []string) int {
 	if downdoc == "true" {
 		if _, err := os.Stat(path.Join(crupath, "swagger")); err != nil {
 			if os.IsNotExist(err) {
-				downloadFromUrl(swaggerlink, "swagger.zip")
+				downloadFromURL(swaggerlink, "swagger.zip")
 				unzipAndDelete("swagger.zip", "swagger")
 			}
 		}

rundocs.go

@@ -59,7 +59,7 @@ func init() {
 
 func runDocs(cmd *Command, args []string) int {
 	if isDownload == "true" {
-		downloadFromUrl(swaggerlink, "swagger.zip")
+		downloadFromURL(swaggerlink, "swagger.zip")
 		err := unzipAndDelete("swagger.zip", "swagger")
 		if err != nil {
 			fmt.Println("has err exet unzipAndDelete", err)
@@ -77,7 +77,7 @@ func runDocs(cmd *Command, args []string) int {
 	return 0
 }
 
-func downloadFromUrl(url, fileName string) {
+func downloadFromURL(url, fileName string) {
 	fmt.Println("Downloading", url, "to", fileName)
 
 	output, err := os.Create(fileName)