Update vendored library github.com/spf13/cobra

vendor/github.com/spf13/cobra/cobra/cmd/add.go

@@ -24,7 +24,7 @@ import (
 
 func init() {
 	addCmd.Flags().StringVarP(&packageName, "package", "t", "", "target package name (e.g. github.com/spf13/hugo)")
-	addCmd.Flags().StringVarP(&parentName, "parent", "p", "RootCmd", "variable name of parent command for this command")
+	addCmd.Flags().StringVarP(&parentName, "parent", "p", "rootCmd", "variable name of parent command for this command")
 }
 
 var packageName, parentName string
@@ -35,7 +35,7 @@ var addCmd = &cobra.Command{
 	Short:   "Add a command to a Cobra Application",
 	Long: `Add (cobra add) will create a new command, with a license and
 the appropriate structure for a Cobra-based CLI application,
-and register it to its parent (default RootCmd).
+and register it to its parent (default rootCmd).
 
 If you want your command to be public, pass in the command name
 with an initial uppercase letter.

vendor/github.com/spf13/cobra/cobra/cmd/helpers.go

@@ -24,7 +24,6 @@ import (
 	"text/template"
 )
 
-var cmdDirs = [...]string{"cmd", "cmds", "command", "commands"}
 var srcPaths []string
 
 func init() {
@@ -128,8 +127,6 @@ func writeStringToFile(path string, s string) error {
 
 // writeToFile writes r to file with path only
 // if file/directory on given path doesn't exist.
-// If file/directory exists on given path, then
-// it terminates app and prints an appropriate error.
 func writeToFile(path string, r io.Reader) error {
 	if exists(path) {
 		return fmt.Errorf("%v already exists", path)

vendor/github.com/spf13/cobra/cobra/cmd/init.go

@@ -150,8 +150,8 @@ import (
 
 var cfgFile string{{end}}
 
-// RootCmd represents the base command when called without any subcommands
-var RootCmd = &cobra.Command{
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
 	Use:   "{{.appName}}",
 	Short: "A brief description of your application",
 	Long: ` + "`" + `A longer description that spans multiple lines and likely contains
@@ -168,24 +168,24 @@ to quickly create a Cobra application.` + "`" + `,
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
-	if err := RootCmd.Execute(); err != nil {
+	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
 }
 
-func init() { {{if .viper}}
+func init() { {{- if .viper}}
 	cobra.OnInitialize(initConfig)
 {{end}}
 	// Here you will define your flags and configuration settings.
 	// Cobra supports persistent flags, which, if defined here,
 	// will be global for your application.{{ if .viper }}
-	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)"){{ else }}
-	// RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)"){{ end }}
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)"){{ else }}
+	// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .appName }}.yaml)"){{ end }}
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.
-	RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
 }{{ if .viper }}
 
 // initConfig reads in config file and ENV variables if set.

vendor/github.com/spf13/cobra/cobra/cmd/project.go

@@ -17,10 +17,9 @@ type Project struct {
 }
 
 // NewProject returns Project with specified project name.
-// If projectName is blank string, it returns nil.
 func NewProject(projectName string) *Project {
 	if projectName == "" {
-		return nil
+		er("can't create project with blank name")
 	}
 
 	p := new(Project)
@@ -54,8 +53,6 @@ func NewProject(projectName string) *Project {
 }
 
 // findPackage returns full path to existing go package in GOPATHs.
-// findPackage returns "", if it can't find path.
-// If packageName is "", findPackage returns "".
 func findPackage(packageName string) string {
 	if packageName == "" {
 		return ""
@@ -73,16 +70,29 @@ func findPackage(packageName string) string {
 
 // NewProjectFromPath returns Project with specified absolute path to
 // package.
-// If absPath is blank string or if absPath is not actually absolute,
-// it returns nil.
 func NewProjectFromPath(absPath string) *Project {
-	if absPath == "" || !filepath.IsAbs(absPath) {
-		return nil
+	if absPath == "" {
+		er("can't create project: absPath can't be blank")
+	}
+	if !filepath.IsAbs(absPath) {
+		er("can't create project: absPath is not absolute")
+	}
+
+	// If absPath is symlink, use its destination.
+	fi, err := os.Lstat(absPath)
+	if err != nil {
+		er("can't read path info: " + err.Error())
+	}
+	if fi.Mode()&os.ModeSymlink != 0 {
+		path, err := os.Readlink(absPath)
+		if err != nil {
+			er("can't read the destination of symlink: " + err.Error())
+		}
+		absPath = path
 	}
 
 	p := new(Project)
-	p.absPath = absPath
-	p.absPath = strings.TrimSuffix(p.absPath, findCmdDir(p.absPath))
+	p.absPath = strings.TrimSuffix(absPath, findCmdDir(absPath))
 	p.name = filepath.ToSlash(trimSrcPath(p.absPath, p.SrcPath()))
 	return p
 }
@@ -91,7 +101,7 @@ func NewProjectFromPath(absPath string) *Project {
 func trimSrcPath(absPath, srcPath string) string {
 	relPath, err := filepath.Rel(srcPath, absPath)
 	if err != nil {
-		er("Cobra supports project only within $GOPATH: " + err.Error())
+		er(err)
 	}
 	return relPath
 }
@@ -101,7 +111,6 @@ func (p *Project) License() License {
 	if p.license.Text == "" && p.license.Name != "None" {
 		p.license = getLicense()
 	}
-
 	return p.license
 }
 
@@ -111,8 +120,6 @@ func (p Project) Name() string {
 }
 
 // CmdPath returns absolute path to directory, where all commands are located.
-//
-// CmdPath returns blank string, only if p.AbsPath() is a blank string.
 func (p *Project) CmdPath() string {
 	if p.absPath == "" {
 		return ""
@@ -125,8 +132,6 @@ func (p *Project) CmdPath() string {
 
 // findCmdDir checks if base of absPath is cmd dir and returns it or
 // looks for existing cmd dir in absPath.
-// If the cmd dir doesn't exist, empty, or cannot be found,
-// it returns "cmd".
 func findCmdDir(absPath string) string {
 	if !exists(absPath) || isEmpty(absPath) {
 		return "cmd"
@@ -149,7 +154,7 @@ func findCmdDir(absPath string) string {
 // isCmdDir checks if base of name is one of cmdDir.
 func isCmdDir(name string) bool {
 	name = filepath.Base(name)
-	for _, cmdDir := range cmdDirs {
+	for _, cmdDir := range []string{"cmd", "cmds", "command", "commands"} {
 		if name == cmdDir {
 			return true
 		}

vendor/github.com/spf13/cobra/cobra/cmd/testdata/root.go.golden

@@ -25,8 +25,8 @@ import (
 
 var cfgFile string
 
-// RootCmd represents the base command when called without any subcommands
-var RootCmd = &cobra.Command{
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
 	Use:   "testproject",
 	Short: "A brief description of your application",
 	Long: `A longer description that spans multiple lines and likely contains
@@ -43,23 +43,23 @@ to quickly create a Cobra application.`,
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
-	if err := RootCmd.Execute(); err != nil {
+	if err := rootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
 }
 
-func init() { 
+func init() {
 	cobra.OnInitialize(initConfig)
 
 	// Here you will define your flags and configuration settings.
 	// Cobra supports persistent flags, which, if defined here,
 	// will be global for your application.
-	RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)")
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)")
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.
-	RootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
 }
 
 // initConfig reads in config file and ENV variables if set.

vendor/github.com/spf13/cobra/cobra/cmd/testdata/test.go.golden

@@ -36,7 +36,7 @@ to quickly create a Cobra application.`,
 }
 
 func init() {
-	RootCmd.AddCommand(testCmd)
+	rootCmd.AddCommand(testCmd)
 
 	// Here you will define your flags and configuration settings.