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moby--moby/api/client/rename.go
Josh Hawn 4cb0c93f92 api/client: Allow for multi-line usage help
Subcommands can provide multiple usage synopses.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
2015-06-10 16:14:45 -07:00

25 lines
666 B
Go

package client
import (
"fmt"
flag "github.com/docker/docker/pkg/mflag"
)
// CmdRename renames a container.
//
// Usage: docker rename OLD_NAME NEW_NAME
func (cli *DockerCli) CmdRename(args ...string) error {
cmd := cli.Subcmd("rename", []string{"OLD_NAME NEW_NAME"}, "Rename a container", true)
cmd.Require(flag.Exact, 2)
cmd.ParseFlags(args, true)
oldName := cmd.Arg(0)
newName := cmd.Arg(1)
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/rename?name=%s", oldName, newName), nil, nil)); err != nil {
fmt.Fprintf(cli.err, "%s\n", err)
return fmt.Errorf("Error: failed to rename container named %s", oldName)
}
return nil
}