DockerCLI/cli/command/completion/command.go

72 lines
2.1 KiB
Go

package completion
import (
"fmt"
"os"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
func NewCompletionCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "completion [bash|zsh|fish|powershell|install]",
Short: "Output shell completion code for the specified shell (bash or zsh)",
Args: cli.RequiresMaxArgs(1),
ValidArgs: []string{"bash", "zsh", "fish", "powershell", "install"},
DisableFlagParsing: false,
RunE: func(cmd *cobra.Command, args []string) error {
switch args[0] {
case "install":
userHome, err := os.UserHomeDir()
if err != nil {
return err
}
opts := []NewShellCompletionOptsFunc{}
if cmd.Flag("shell").Changed {
opts = append(opts, WithShellOverride(cmd.Flag("shell").Value.String()))
}
shellSetup, err := NewShellCompletionSetup(userHome, cmd.Root(), opts...)
if err != nil {
return err
}
if cmd.Flag("manual").Changed {
_, _ = fmt.Fprint(dockerCli.Out(), shellSetup.GetManualInstructions(cmd.Context()))
return nil
}
msg := fmt.Sprintf("\nDetected shell [%s]\n\nThe automatic installer will do the following:\n\n%s\n\nAre you sure you want to continue?", shellSetup.GetShell(), shellSetup.GetManualInstructions(cmd.Context()))
ok, err := command.PromptForConfirmation(cmd.Context(), dockerCli.In(), dockerCli.Out(), msg)
if err != nil {
return err
}
if !ok {
return nil
}
return shellSetup.InstallCompletions(cmd.Context())
case "bash":
return cmd.Root().GenBashCompletionV2(dockerCli.Out(), true)
case "zsh":
return cmd.Root().GenZshCompletion(dockerCli.Out())
case "fish":
return cmd.Root().GenFishCompletion(dockerCli.Out(), true)
default:
return command.ShowHelp(dockerCli.Err())(cmd, args)
}
},
}
cmd.PersistentFlags().Bool("manual", false, "Display instructions for installing autocompletion")
cmd.PersistentFlags().String("shell", "", "Shell type for autocompletion (bash, zsh, fish, powershell)")
return cmd
}