move walker to a separate library

cmd/init/init.go

@@ -6,6 +6,7 @@ import (
 	"path/filepath"
 
 	"github.com/databricks/bricks/cmd/root"
+	"github.com/databricks/bricks/libs/template"
 	"github.com/spf13/cobra"
 )
 
@@ -26,7 +27,7 @@ var initCmd = &cobra.Command{
 		if err != nil {
 			return err
 		}
-		schema := Schema{}
+		schema := template.Schema{}
 		err = json.Unmarshal(schemaBytes, &schema)
 		if err != nil {
 			return err
@@ -57,7 +58,7 @@ var initCmd = &cobra.Command{
 		}
 
 		// materialize the template
-		return walkFileTree(config, filepath.Join(args[0], TemplateDirname), ".")
+		return template.WalkFileTree(config, filepath.Join(args[0], TemplateDirname), ".")
 	},
 }
 

libs/template/execute.go

@@ -1,4 +1,4 @@
-package init
+package template
 
 import (
 	"os"
@@ -64,7 +64,7 @@ func generateFile(config map[string]any, parentDir, nameTempate, contentTemplate
 	return err
 }
 
-func walkFileTree(config map[string]any, templatePath, instancePath string) error {
+func WalkFileTree(config map[string]any, templatePath, instancePath string) error {
 	enteries, err := os.ReadDir(templatePath)
 	if err != nil {
 		return err
@@ -79,7 +79,7 @@ func walkFileTree(config map[string]any, templatePath, instancePath string) erro
 
 			// recusive generate files and directories inside inside our newly generated
 			// directory from the template defination
-			err = walkFileTree(config, filepath.Join(templatePath, entry.Name()), filepath.Join(instancePath, dirName))
+			err = WalkFileTree(config, filepath.Join(templatePath, entry.Name()), filepath.Join(instancePath, dirName))
 			if err != nil {
 				return err
 			}

libs/template/helpers.go

@@ -1,4 +1,4 @@
-package init
+package template
 
 import (
 	"errors"

libs/template/schema.go

@@ -1,4 +1,4 @@
-package init
+package template
 
 import (
 	"fmt"