add shorthand endpoint flag for oss (#1303)

Author: AllyW

config/flags.go

@@ -550,11 +550,12 @@ func NewEndpointFlag() *cli.Flag {
 	return &cli.Flag{
 		Category:     "config",
 		Name:         EndpointFlagName,
+		Shorthand:    'e',
 		AssignedMode: cli.AssignedOnce,
 		Persistent:   true,
 		Short: i18n.T(
-			"use `--endpoint <endpoint>` to assign endpoint",
-			"使用 `--endpoint <endpoint>` 来指定接入点地址"),
+			"use `--endpoint`/`-e <endpoint>` to assign endpoint",
+			"使用 `--endpoint`/`-e <endpoint>` 来指定接入点地址"),
 	}
 }
 

config/flags_test.go

@@ -485,6 +485,7 @@ func TestEndpointTypeFlag(t *testing.T) {
 func TestNewEndpointFlag(t *testing.T) {
 	var a = NewEndpointFlag()
 	assert.Equal(t, EndpointFlagName, a.Name)
+	assert.Equal(t, 'e', a.Shorthand)
 	assert.Equal(t, "config", a.Category)
 	assert.True(t, a.Persistent)
 	assert.Equal(t, cli.AssignedOnce, a.AssignedMode)