feat: add flag to init cmd to specify output file path (#954)

pkg/cmd/init/init.go

@@ -13,13 +13,16 @@ func NewCmd() *cobra.Command {
 
 		long = i18n.T(`
 		This command initializes the scaffolding for a demo project with the name of the current directory to help users quickly get started.
-		
-		Note that current directory needs to be an empty directory.`)
+
+		Note that target directory needs to be an empty directory.`)
 
 		example = i18n.T(`
 		# Initialize a demo project with the name of the current directory
 		mkdir quickstart && cd quickstart
-		kusion init`)
+		kusion init
+
+		# Initialize the demo project in a different target directory
+		kusion init --target projects/my-demo-project`)
 	)
 
 	o := NewOptions()
@@ -39,5 +42,8 @@ func NewCmd() *cobra.Command {
 		},
 	}
 
+	cmd.Flags().StringVarP(&o.ProjectDir, "target", "t", "",
+		i18n.T("specify the target direcotry"))
+
 	return cmd
 }

pkg/cmd/init/options.go

@@ -11,12 +11,20 @@ import (
 var ErrNotEmptyArgs = errors.New("no args accepted")
 
 type Options struct {
-	Name       string
+	Name string
+	Flags
+}
+
+type Flags struct {
 	ProjectDir string
 }
 
 func NewOptions() *Options {
-	return &Options{}
+	return &Options{
+		Flags: Flags{
+			ProjectDir: "",
+		},
+	}
 }
 
 func (o *Options) Complete(args []string) error {
@@ -29,8 +37,10 @@ func (o *Options) Complete(args []string) error {
 		return err
 	}
 
-	o.ProjectDir = dir
 	o.Name = name
+	if o.ProjectDir == "" {
+		o.ProjectDir = dir
+	}
 
 	return nil
 }

pkg/cmd/init/options_test.go

@@ -40,10 +40,12 @@ func TestOptions_Complete(t *testing.T) {
 			}).Build()
 
 			opts := NewOptions()
+			opts.Flags.ProjectDir = "/dir/to/my-project"
 			args := []string{}
 
 			err := opts.Complete(args)
 			assert.Nil(t, err)
+			assert.Equal(t, "/dir/to/my-project", opts.ProjectDir)
 		})
 	})
 }