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completion.go
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/
completion.go
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package main
import (
"os"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
const (
bashCompletion = "bash"
zshCompletion = "zsh"
powerShellCompletion = "power"
)
func newCompletionCmd() *cobra.Command {
return &cobra.Command{
Use: "completion",
Short: "generates shell completion scripts",
Args: cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
ValidArgs: []string{bashCompletion, zshCompletion, powerShellCompletion},
RunE: func(cmd *cobra.Command, args []string) error {
switch shell := args[0]; shell {
case bashCompletion:
return newRootCmd().GenBashCompletion(os.Stdout)
case zshCompletion:
return newRootCmd().GenZshCompletion(os.Stdout)
case powerShellCompletion:
return newRootCmd().GenPowerShellCompletion(os.Stdout)
default:
return errors.Errorf("unexpected shell provided: %s", shell)
}
},
}
}