Update module spf13/cobra to v0.0.7 (#271)
Update module spf13/cobra to v0.0.7 Reviewed-on: https://kolaente.dev/vikunja/api/pulls/271
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vendor/github.com/spf13/cobra/README.md
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vendor/github.com/spf13/cobra/README.md
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@ -2,29 +2,35 @@
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Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files.
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Many of the most widely used Go projects are built using Cobra including:
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* [Kubernetes](http://kubernetes.io/)
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* [Hugo](http://gohugo.io)
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* [rkt](https://github.com/coreos/rkt)
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* [etcd](https://github.com/coreos/etcd)
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* [Moby (former Docker)](https://github.com/moby/moby)
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* [Docker (distribution)](https://github.com/docker/distribution)
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* [OpenShift](https://www.openshift.com/)
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* [Delve](https://github.com/derekparker/delve)
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* [GopherJS](http://www.gopherjs.org/)
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* [CockroachDB](http://www.cockroachlabs.com/)
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* [Bleve](http://www.blevesearch.com/)
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* [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
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* [GiantSwarm's swarm](https://github.com/giantswarm/cli)
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* [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
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* [rclone](http://rclone.org/)
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* [nehm](https://github.com/bogem/nehm)
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* [Pouch](https://github.com/alibaba/pouch)
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Many of the most widely used Go projects are built using Cobra, such as:
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[Kubernetes](http://kubernetes.io/),
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[Hugo](http://gohugo.io),
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[rkt](https://github.com/coreos/rkt),
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[etcd](https://github.com/coreos/etcd),
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[Moby (former Docker)](https://github.com/moby/moby),
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[Docker (distribution)](https://github.com/docker/distribution),
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[OpenShift](https://www.openshift.com/),
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[Delve](https://github.com/derekparker/delve),
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[GopherJS](http://www.gopherjs.org/),
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[CockroachDB](http://www.cockroachlabs.com/),
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[Bleve](http://www.blevesearch.com/),
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[ProjectAtomic (enterprise)](http://www.projectatomic.io/),
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[Giant Swarm's gsctl](https://github.com/giantswarm/gsctl),
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[Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack),
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[rclone](http://rclone.org/),
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[nehm](https://github.com/bogem/nehm),
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[Pouch](https://github.com/alibaba/pouch),
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[Istio](https://istio.io),
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[Prototool](https://github.com/uber/prototool),
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[mattermost-server](https://github.com/mattermost/mattermost-server),
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[Gardener](https://github.com/gardener/gardenctl),
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[Linkerd](https://linkerd.io/),
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etc.
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[](https://travis-ci.org/spf13/cobra)
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[](https://circleci.com/gh/spf13/cobra)
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[](https://godoc.org/github.com/spf13/cobra)
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[](https://goreportcard.com/report/github.com/spf13/cobra)
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# Table of Contents
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@ -45,6 +51,7 @@ Many of the most widely used Go projects are built using Cobra including:
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* [Suggestions when "unknown command" happens](#suggestions-when-unknown-command-happens)
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* [Generating documentation for your command](#generating-documentation-for-your-command)
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* [Generating bash completions](#generating-bash-completions)
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* [Generating zsh completions](#generating-zsh-completions)
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- [Contributing](#contributing)
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- [License](#license)
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@ -152,9 +159,6 @@ In a Cobra app, typically the main.go file is very bare. It serves one purpose:
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package main
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import (
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"fmt"
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"os"
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"{pathToYourApp}/cmd"
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)
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@ -206,51 +210,78 @@ You will additionally define flags and handle configuration in your init() funct
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For example cmd/root.go:
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```go
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import (
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"fmt"
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"os"
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package cmd
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homedir "github.com/mitchellh/go-homedir"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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import (
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"fmt"
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"os"
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homedir "github.com/mitchellh/go-homedir"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var (
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// Used for flags.
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cfgFile string
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userLicense string
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rootCmd = &cobra.Command{
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Use: "cobra",
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Short: "A generator for Cobra based Applications",
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Long: `Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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}
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)
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// Execute executes the root command.
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func Execute() error {
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return rootCmd.Execute()
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}
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func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
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rootCmd.PersistentFlags().StringVarP(&projectBase, "projectbase", "b", "", "base project directory eg. github.com/spf13/")
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rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "Author name for copyright attribution")
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rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "Name of license for the project (can provide `licensetext` in config)")
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rootCmd.PersistentFlags().Bool("viper", true, "Use Viper for configuration")
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viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
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viper.BindPFlag("projectbase", rootCmd.PersistentFlags().Lookup("projectbase"))
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viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper"))
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viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
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viper.SetDefault("license", "apache")
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cobra.yaml)")
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rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")
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rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project")
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rootCmd.PersistentFlags().Bool("viper", true, "use Viper for configuration")
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viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
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viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper"))
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viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
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viper.SetDefault("license", "apache")
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rootCmd.AddCommand(addCmd)
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rootCmd.AddCommand(initCmd)
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}
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func er(msg interface{}) {
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fmt.Println("Error:", msg)
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os.Exit(1)
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}
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func initConfig() {
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// Don't forget to read config either from cfgFile or from home directory!
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := homedir.Dir()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := homedir.Dir()
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if err != nil {
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er(err)
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}
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// Search config in home directory with name ".cobra" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".cobra")
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}
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// Search config in home directory with name ".cobra" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigName(".cobra")
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}
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if err := viper.ReadInConfig(); err != nil {
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fmt.Println("Can't read config:", err)
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os.Exit(1)
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}
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viper.AutomaticEnv()
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if err := viper.ReadInConfig(); err == nil {
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fmt.Println("Using config file:", viper.ConfigFileUsed())
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}
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}
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```
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@ -265,9 +296,6 @@ In a Cobra app, typically the main.go file is very bare. It serves, one purpose,
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package main
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import (
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"fmt"
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"os"
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"{pathToYourApp}/cmd"
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)
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@ -339,7 +367,7 @@ rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose out
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A flag can also be assigned locally which will only apply to that specific command.
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```go
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rootCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
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localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
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```
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### Local Flag on Parent Commands
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@ -395,6 +423,7 @@ The following validators are built in:
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- `MinimumNArgs(int)` - the command will report an error if there are not at least N positional args.
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- `MaximumNArgs(int)` - the command will report an error if there are more than N positional args.
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- `ExactArgs(int)` - the command will report an error if there are not exactly N positional args.
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- `ExactValidArgs(int)` - the command will report an error if there are not exactly N positional args OR if there are any positional args that are not in the `ValidArgs` field of `Command`
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- `RangeArgs(min, max)` - the command will report an error if the number of args is not between the minimum and maximum number of expected args.
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An example of setting the custom validator:
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@ -404,7 +433,7 @@ var cmd = &cobra.Command{
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Short: "hello",
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Args: func(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return errors.New("requires at least one arg")
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return errors.New("requires a color argument")
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}
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if myapp.IsValidColor(args[0]) {
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return nil
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@ -459,12 +488,12 @@ For many years people have printed back to the screen.`,
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Echo works a lot like print, except it has a child command.`,
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Args: cobra.MinimumNArgs(1),
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println("Print: " + strings.Join(args, " "))
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fmt.Println("Echo: " + strings.Join(args, " "))
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},
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}
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var cmdTimes = &cobra.Command{
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Use: "times [# times] [string to echo]",
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Use: "times [string to echo]",
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Short: "Echo anything to the screen more times",
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Long: `echo things multiple times back to the user by providing
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a count and a string.`,
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@ -721,6 +750,11 @@ Cobra can generate documentation based on subcommands, flags, etc. in the follow
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Cobra can generate a bash-completion file. If you add more information to your command, these completions can be amazingly powerful and flexible. Read more about it in [Bash Completions](bash_completions.md).
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## Generating zsh completions
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Cobra can generate zsh-completion file. Read more about it in
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[Zsh Completions](zsh_completions.md).
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# Contributing
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1. Fork it
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