update vendor

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/docker/docker-ce/components/engine/cli/cobra.go

@@ -0,0 +1,131 @@
+package cli // import "github.com/docker/docker/cli"
+
+import (
+	"fmt"
+
+	"github.com/docker/docker/pkg/term"
+	"github.com/spf13/cobra"
+)
+
+// SetupRootCommand sets default usage, help, and error handling for the
+// root command.
+func SetupRootCommand(rootCmd *cobra.Command) {
+	cobra.AddTemplateFunc("hasSubCommands", hasSubCommands)
+	cobra.AddTemplateFunc("hasManagementSubCommands", hasManagementSubCommands)
+	cobra.AddTemplateFunc("operationSubCommands", operationSubCommands)
+	cobra.AddTemplateFunc("managementSubCommands", managementSubCommands)
+	cobra.AddTemplateFunc("wrappedFlagUsages", wrappedFlagUsages)
+
+	rootCmd.SetUsageTemplate(usageTemplate)
+	rootCmd.SetHelpTemplate(helpTemplate)
+	rootCmd.SetFlagErrorFunc(FlagErrorFunc)
+	rootCmd.SetVersionTemplate("Docker version {{.Version}}\n")
+
+	rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
+	rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
+}
+
+// FlagErrorFunc prints an error message which matches the format of the
+// docker/docker/cli error messages
+func FlagErrorFunc(cmd *cobra.Command, err error) error {
+	if err == nil {
+		return nil
+	}
+
+	usage := ""
+	if cmd.HasSubCommands() {
+		usage = "\n\n" + cmd.UsageString()
+	}
+	return StatusError{
+		Status:     fmt.Sprintf("%s\nSee '%s --help'.%s", err, cmd.CommandPath(), usage),
+		StatusCode: 125,
+	}
+}
+
+func hasSubCommands(cmd *cobra.Command) bool {
+	return len(operationSubCommands(cmd)) > 0
+}
+
+func hasManagementSubCommands(cmd *cobra.Command) bool {
+	return len(managementSubCommands(cmd)) > 0
+}
+
+func operationSubCommands(cmd *cobra.Command) []*cobra.Command {
+	var cmds []*cobra.Command
+	for _, sub := range cmd.Commands() {
+		if sub.IsAvailableCommand() && !sub.HasSubCommands() {
+			cmds = append(cmds, sub)
+		}
+	}
+	return cmds
+}
+
+func wrappedFlagUsages(cmd *cobra.Command) string {
+	width := 80
+	if ws, err := term.GetWinsize(0); err == nil {
+		width = int(ws.Width)
+	}
+	return cmd.Flags().FlagUsagesWrapped(width - 1)
+}
+
+func managementSubCommands(cmd *cobra.Command) []*cobra.Command {
+	var cmds []*cobra.Command
+	for _, sub := range cmd.Commands() {
+		if sub.IsAvailableCommand() && sub.HasSubCommands() {
+			cmds = append(cmds, sub)
+		}
+	}
+	return cmds
+}
+
+var usageTemplate = `Usage:
+
+{{- if not .HasSubCommands}}	{{.UseLine}}{{end}}
+{{- if .HasSubCommands}}	{{ .CommandPath}} COMMAND{{end}}
+
+{{ .Short | trim }}
+
+{{- if gt .Aliases 0}}
+
+Aliases:
+  {{.NameAndAliases}}
+
+{{- end}}
+{{- if .HasExample}}
+
+Examples:
+{{ .Example }}
+
+{{- end}}
+{{- if .HasAvailableFlags}}
+
+Options:
+{{ wrappedFlagUsages . | trimRightSpace}}
+
+{{- end}}
+{{- if hasManagementSubCommands . }}
+
+Management Commands:
+
+{{- range managementSubCommands . }}
+  {{rpad .Name .NamePadding }} {{.Short}}
+{{- end}}
+
+{{- end}}
+{{- if hasSubCommands .}}
+
+Commands:
+
+{{- range operationSubCommands . }}
+  {{rpad .Name .NamePadding }} {{.Short}}
+{{- end}}
+{{- end}}
+
+{{- if .HasSubCommands }}
+
+Run '{{.CommandPath}} COMMAND --help' for more information on a command.
+{{- end}}
+`
+
+var helpTemplate = `
+{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`

vendor/github.com/docker/docker-ce/components/engine/cli/config/configdir.go

@@ -0,0 +1,25 @@
+package config // import "github.com/docker/docker/cli/config"
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/docker/docker/pkg/homedir"
+)
+
+var (
+	configDir     = os.Getenv("DOCKER_CONFIG")
+	configFileDir = ".docker"
+)
+
+// Dir returns the path to the configuration directory as specified by the DOCKER_CONFIG environment variable.
+// TODO: this was copied from cli/config/configfile and should be removed once cmd/dockerd moves
+func Dir() string {
+	return configDir
+}
+
+func init() {
+	if configDir == "" {
+		configDir = filepath.Join(homedir.Get(), configFileDir)
+	}
+}

vendor/github.com/docker/docker-ce/components/engine/cli/debug/debug.go

@@ -0,0 +1,26 @@
+package debug // import "github.com/docker/docker/cli/debug"
+
+import (
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+// Enable sets the DEBUG env var to true
+// and makes the logger to log at debug level.
+func Enable() {
+	os.Setenv("DEBUG", "1")
+	logrus.SetLevel(logrus.DebugLevel)
+}
+
+// Disable sets the DEBUG env var to false
+// and makes the logger to log at info level.
+func Disable() {
+	os.Setenv("DEBUG", "")
+	logrus.SetLevel(logrus.InfoLevel)
+}
+
+// IsEnabled checks whether the debug flag is set or not.
+func IsEnabled() bool {
+	return os.Getenv("DEBUG") != ""
+}

vendor/github.com/docker/docker-ce/components/engine/cli/debug/debug_test.go

@@ -0,0 +1,43 @@
+package debug // import "github.com/docker/docker/cli/debug"
+
+import (
+	"os"
+	"testing"
+
+	"github.com/sirupsen/logrus"
+)
+
+func TestEnable(t *testing.T) {
+	defer func() {
+		os.Setenv("DEBUG", "")
+		logrus.SetLevel(logrus.InfoLevel)
+	}()
+	Enable()
+	if os.Getenv("DEBUG") != "1" {
+		t.Fatalf("expected DEBUG=1, got %s\n", os.Getenv("DEBUG"))
+	}
+	if logrus.GetLevel() != logrus.DebugLevel {
+		t.Fatalf("expected log level %v, got %v\n", logrus.DebugLevel, logrus.GetLevel())
+	}
+}
+
+func TestDisable(t *testing.T) {
+	Disable()
+	if os.Getenv("DEBUG") != "" {
+		t.Fatalf("expected DEBUG=\"\", got %s\n", os.Getenv("DEBUG"))
+	}
+	if logrus.GetLevel() != logrus.InfoLevel {
+		t.Fatalf("expected log level %v, got %v\n", logrus.InfoLevel, logrus.GetLevel())
+	}
+}
+
+func TestEnabled(t *testing.T) {
+	Enable()
+	if !IsEnabled() {
+		t.Fatal("expected debug enabled, got false")
+	}
+	Disable()
+	if IsEnabled() {
+		t.Fatal("expected debug disabled, got true")
+	}
+}

vendor/github.com/docker/docker-ce/components/engine/cli/error.go

@@ -0,0 +1,33 @@
+package cli // import "github.com/docker/docker/cli"
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Errors is a list of errors.
+// Useful in a loop if you don't want to return the error right away and you want to display after the loop,
+// all the errors that happened during the loop.
+type Errors []error
+
+func (errList Errors) Error() string {
+	if len(errList) < 1 {
+		return ""
+	}
+
+	out := make([]string, len(errList))
+	for i := range errList {
+		out[i] = errList[i].Error()
+	}
+	return strings.Join(out, ", ")
+}
+
+// StatusError reports an unsuccessful exit by a command.
+type StatusError struct {
+	Status     string
+	StatusCode int
+}
+
+func (e StatusError) Error() string {
+	return fmt.Sprintf("Status: %s, Code: %d", e.Status, e.StatusCode)
+}

vendor/github.com/docker/docker-ce/components/engine/cli/required.go

@@ -0,0 +1,27 @@
+package cli // import "github.com/docker/docker/cli"
+
+import (
+	"strings"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+// NoArgs validates args and returns an error if there are any args
+func NoArgs(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return nil
+	}
+
+	if cmd.HasSubCommands() {
+		return errors.Errorf("\n" + strings.TrimRight(cmd.UsageString(), "\n"))
+	}
+
+	return errors.Errorf(
+		"\"%s\" accepts no argument(s).\nSee '%s --help'.\n\nUsage:  %s\n\n%s",
+		cmd.CommandPath(),
+		cmd.CommandPath(),
+		cmd.UseLine(),
+		cmd.Short,
+	)
+}