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46 lines
1.2 KiB
46 lines
1.2 KiB
package commands
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import (
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"fmt"
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"github.com/spf13/cobra"
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)
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// NewCompletionCmd returns a cobra.Command that generates bash and zsh
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// completion scripts for the given root command. If hidden is true, the
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// command will not show up in the root command's list of available commands.
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func NewCompletionCmd(rootCmd *cobra.Command, hidden bool) *cobra.Command {
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flagZsh := "zsh"
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cmd := &cobra.Command{
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Use: "completion",
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Short: "Generate shell completion scripts",
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Long: fmt.Sprintf(`Generate Bash and Zsh completion scripts and print them to STDOUT.
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Once saved to file, a completion script can be loaded in the shell's
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current session as shown:
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$ . <(%s completion)
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To configure your bash shell to load completions for each session add to
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your $HOME/.bashrc or $HOME/.profile the following instruction:
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. <(%s completion)
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`, rootCmd.Use, rootCmd.Use),
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RunE: func(cmd *cobra.Command, _ []string) error {
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zsh, err := cmd.Flags().GetBool(flagZsh)
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if err != nil {
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return err
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}
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if zsh {
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return rootCmd.GenZshCompletion(cmd.OutOrStdout())
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}
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return rootCmd.GenBashCompletion(cmd.OutOrStdout())
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},
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Hidden: hidden,
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Args: cobra.NoArgs,
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}
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cmd.Flags().Bool(flagZsh, false, "Generate Zsh completion script")
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return cmd
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}
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