Merge pull request #3356 from xiang90/travis

*: test gofmt with -s and fix reported issues

etcdctl/command/auth_commands.go

@@ -29,12 +29,12 @@ func NewAuthCommands() cli.Command {
 		Name:  "auth",
 		Usage: "overall auth controls",
 		Subcommands: []cli.Command{
-			cli.Command{
+			{
 				Name:   "enable",
 				Usage:  "enable auth access controls",
 				Action: actionAuthEnable,
 			},
-			cli.Command{
+			{
 				Name:   "disable",
 				Usage:  "disable auth access controls",
 				Action: actionAuthDisable,

etcdctl/command/member_commands.go

@@ -29,22 +29,22 @@ func NewMemberCommand() cli.Command {
 		Name:  "member",
 		Usage: "member add, remove and list subcommands",
 		Subcommands: []cli.Command{
-			cli.Command{
+			{
 				Name:   "list",
 				Usage:  "enumerate existing cluster members",
 				Action: actionMemberList,
 			},
-			cli.Command{
+			{
 				Name:   "add",
 				Usage:  "add a new member to the etcd cluster",
 				Action: actionMemberAdd,
 			},
-			cli.Command{
+			{
 				Name:   "remove",
 				Usage:  "remove an existing member from the etcd cluster",
 				Action: actionMemberRemove,
 			},
-			cli.Command{
+			{
 				Name:   "update",
 				Usage:  "update an existing member in the etcd cluster",
 				Action: actionMemberUpdate,

etcdctl/command/role_commands.go

@@ -31,27 +31,27 @@ func NewRoleCommands() cli.Command {
 		Name:  "role",
 		Usage: "role add, grant and revoke subcommands",
 		Subcommands: []cli.Command{
-			cli.Command{
+			{
 				Name:   "add",
 				Usage:  "add a new role for the etcd cluster",
 				Action: actionRoleAdd,
 			},
-			cli.Command{
+			{
 				Name:   "get",
 				Usage:  "get details for a role",
 				Action: actionRoleGet,
 			},
-			cli.Command{
+			{
 				Name:   "list",
 				Usage:  "list all roles",
 				Action: actionRoleList,
 			},
-			cli.Command{
+			{
 				Name:   "remove",
 				Usage:  "remove a role from the etcd cluster",
 				Action: actionRoleRemove,
 			},
-			cli.Command{
+			{
 				Name:  "grant",
 				Usage: "grant path matches to an etcd role",
 				Flags: []cli.Flag{
@@ -62,7 +62,7 @@ func NewRoleCommands() cli.Command {
 				},
 				Action: actionRoleGrant,
 			},
-			cli.Command{
+			{
 				Name:  "revoke",
 				Usage: "revoke path matches for an etcd role",
 				Flags: []cli.Flag{

etcdctl/command/user_commands.go

@@ -32,39 +32,39 @@ func NewUserCommands() cli.Command {
 		Name:  "user",
 		Usage: "user add, grant and revoke subcommands",
 		Subcommands: []cli.Command{
-			cli.Command{
+			{
 				Name:   "add",
 				Usage:  "add a new user for the etcd cluster",
 				Action: actionUserAdd,
 			},
-			cli.Command{
+			{
 				Name:   "get",
 				Usage:  "get details for a user",
 				Action: actionUserGet,
 			},
-			cli.Command{
+			{
 				Name:   "list",
 				Usage:  "list all current users",
 				Action: actionUserList,
 			},
-			cli.Command{
+			{
 				Name:   "remove",
 				Usage:  "remove a user for the etcd cluster",
 				Action: actionUserRemove,
 			},
-			cli.Command{
+			{
 				Name:   "grant",
 				Usage:  "grant roles to an etcd user",
 				Flags:  []cli.Flag{cli.StringSliceFlag{Name: "roles", Value: new(cli.StringSlice), Usage: "List of roles to grant or revoke"}},
 				Action: actionUserGrant,
 			},
-			cli.Command{
+			{
 				Name:   "revoke",
 				Usage:  "revoke roles for an etcd user",
 				Flags:  []cli.Flag{cli.StringSliceFlag{Name: "roles", Value: new(cli.StringSlice), Usage: "List of roles to grant or revoke"}},
 				Action: actionUserRevoke,
 			},
-			cli.Command{
+			{
 				Name:   "passwd",
 				Usage:  "change password for a user",
 				Action: actionUserPasswd,