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31bf9ca0c8
Cleanup cobra integration Update windows files for cobra and pflags Cleanup SetupRootcmd, and remove unnecessary SetFlagErrorFunc. Use cobra command traversal Signed-off-by: Daniel Nephin <dnephin@docker.com>
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package container
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client"
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"github.com/docker/docker/cli"
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"github.com/spf13/cobra"
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)
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type renameOptions struct {
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oldName string
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newName string
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}
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// NewRenameCommand creates a new cobra.Command for `docker rename`
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func NewRenameCommand(dockerCli *client.DockerCli) *cobra.Command {
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var opts renameOptions
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cmd := &cobra.Command{
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Use: "rename OLD_NAME NEW_NAME",
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Short: "Rename a container",
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Args: cli.ExactArgs(2),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.oldName = args[0]
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opts.newName = args[1]
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return runRename(dockerCli, &opts)
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},
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}
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return cmd
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}
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func runRename(dockerCli *client.DockerCli, opts *renameOptions) error {
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ctx := context.Background()
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oldName := strings.TrimSpace(opts.oldName)
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newName := strings.TrimSpace(opts.newName)
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if oldName == "" || newName == "" {
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return fmt.Errorf("Error: Neither old nor new names may be empty")
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}
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if err := dockerCli.Client().ContainerRename(ctx, oldName, newName); err != nil {
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fmt.Fprintf(dockerCli.Err(), "%s\n", err)
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return fmt.Errorf("Error: failed to rename container named %s", oldName)
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}
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return nil
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}
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