[28.x backport] cli/command: remove deprecated CopyToFile, ConfigureAuth utilities

cli/command/registry.go

@@ -97,23 +97,6 @@ func GetDefaultAuthConfig(cfg *configfile.ConfigFile, checkCredStore bool, serve
 	return registrytypes.AuthConfig(authconfig), nil
 }
 
-// ConfigureAuth handles prompting of user's username and password if needed.
-//
-// Deprecated: use [PromptUserForCredentials] instead.
-func ConfigureAuth(ctx context.Context, cli Cli, flUser, flPassword string, authConfig *registrytypes.AuthConfig, _ bool) error {
-	defaultUsername := authConfig.Username
-	serverAddress := authConfig.ServerAddress
-
-	newAuthConfig, err := PromptUserForCredentials(ctx, cli, flUser, flPassword, defaultUsername, serverAddress)
-	if err != nil {
-		return err
-	}
-
-	authConfig.Username = newAuthConfig.Username
-	authConfig.Password = newAuthConfig.Password
-	return nil
-}
-
 // PromptUserForCredentials handles the CLI prompt for the user to input
 // credentials.
 // If argUser is not empty, then the user is only prompted for their password.

cli/command/utils.go

@@ -14,24 +14,10 @@ import (
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/cli/internal/prompt"
 	"github.com/docker/docker/api/types/filters"
-	"github.com/moby/sys/atomicwriter"
 	"github.com/pkg/errors"
 	"github.com/spf13/pflag"
 )
 
-// CopyToFile writes the content of the reader to the specified file
-//
-// Deprecated: use [atomicwriter.New].
-func CopyToFile(outfile string, r io.Reader) error {
-	writer, err := atomicwriter.New(outfile, 0o600)
-	if err != nil {
-		return err
-	}
-	defer writer.Close()
-	_, err = io.Copy(writer, r)
-	return err
-}
-
 const ErrPromptTerminated = prompt.ErrTerminated
 
 // DisableInputEcho disables input echo on the provided streams.In.