init commit da

helpers/helpers.go

@@ -3,9 +3,12 @@ package helpers
 import (
 	"fmt"
 	"strings"
+	"path/filepath"
 	"math/rand"
 	"time"
 	"strconv"
+	"os"
+	"io"
 )
 
 var r = rand.New(rand.NewSource(time.Now().UnixNano()))
@@ -42,3 +45,60 @@ func RandStr(n int) string {
     }
     return string(b)
 }
+
+func CopyDir(src, dst string) error {
+    return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
+        if err != nil {
+            return err
+        }
+
+        rel, err := filepath.Rel(src, path)
+        if err != nil {
+            return err
+        }
+
+        target := filepath.Join(dst, rel)
+
+        mode := info.Mode()
+
+        switch {
+        case mode&os.ModeSymlink != 0:
+            link, err := os.Readlink(path)
+            if err != nil {
+                return err
+            }
+            return os.Symlink(link, target)
+
+        case info.IsDir():
+            return os.MkdirAll(target, 0755)
+
+        default:
+            return CopyFile(path, target)
+        }
+    })
+}
+
+func CopyFile(src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+
+	si, err := os.Stat(src)
+	if err != nil {
+		return err
+	}
+	return os.Chmod(dst, si.Mode())
+}