Created copydir and copyfile functions in utils, now lua os.copy can copy an entire directory

internal/utils/lua/luafunctions.go

@@ -2,12 +2,12 @@ package utils_lua
 
 import (
 	"fmt"
-	"io"
 	"log"
 	"os"
 	"os/exec"
 	"packets/configs"
 	"packets/internal/consts"
+	"packets/internal/utils"
 	"path/filepath"
 	"strings"
 
@@ -164,62 +164,16 @@ func LSafeCopy(L *lua.LState) int {
 		return 2
 	}
 
-	src, err := os.Open(oldname)
-	if err != nil {
+	if err := utils.CopyDir(oldname, newname); err != nil {
 		L.Push(lua.LFalse)
-		L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-		return 2
-
-	}
-	defer src.Close()
-
-	status, err := src.Stat()
-	if err != nil {
-		L.Push(lua.LFalse)
-		L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-		return 2
-	}
-
-	err = os.MkdirAll(filepath.Dir(newname), 0755)
-	if err != nil {
-		L.Push(lua.LFalse)
-		L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-		return 2
-	}
-
-	dst, err := os.Create(newname)
-	if err != nil {
-		if !os.IsExist(err) {
-			dst, err = os.Open(newname)
-			if err != nil {
-				L.Push(lua.LFalse)
-				L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-				return 2
-			}
-		} else {
-			L.Push(lua.LFalse)
-			L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-			return 2
-		}
-	}
-
-	defer dst.Close()
-	if err := dst.Chmod(status.Mode()); err != nil {
-		L.Push(lua.LFalse)
-		L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
-		return 2
-	}
-
-	_, err = io.Copy(dst, src)
-	if err != nil {
-		L.Push(lua.LFalse)
-		L.Push(lua.LString("[packets] copy failed\n" + err.Error()))
+		L.Push(lua.LString("[packets] error while copy"))
 		return 2
 	}
 
 	L.Push(lua.LTrue)
 	L.Push(lua.LNil)
 	return 2
+
 }
 
 func LSymlink(L *lua.LState) int {

internal/utils/utils.go

@@ -66,3 +66,94 @@ func ReadManifest(file *os.File) (*configs.Manifest, error) {
 	}
 	return nil, errors_packets.ErrCantFindManifestTOML
 }
+
+func CopyDir(src string, dest string) error {
+	if stats, err := os.Stat(src); err != nil {
+		return err
+	} else {
+		if stats.IsDir() {
+			files, err := os.ReadDir(src)
+			if err != nil {
+				return err
+			}
+
+			if err := os.MkdirAll(dest, 0755); err != nil {
+				return err
+			}
+
+			for _, file := range files {
+				if file.IsDir() {
+					CopyDir(filepath.Join(src, file.Name()), filepath.Join(dest, file.Name()))
+					continue
+				}
+				srcFile := filepath.Join(src, file.Name())
+
+				f, err := os.Create(filepath.Join(dest, file.Name()))
+				if err != nil {
+					return err
+				}
+				defer f.Close()
+
+				opennedSrcFile, err := os.Open(srcFile)
+				if err != nil {
+					return err
+				}
+				defer opennedSrcFile.Close()
+				if _, err := io.Copy(f, opennedSrcFile); err != nil {
+					return err
+				}
+
+			}
+		} else {
+			if err := CopyFile(src, dest); err != nil {
+				return err
+			}
+		}
+
+	}
+	return nil
+}
+
+func CopyFile(source string, destination string) error {
+
+	src, err := os.Open(source)
+	if err != nil {
+		return err
+
+	}
+	defer src.Close()
+
+	status, err := src.Stat()
+	if err != nil {
+		return err
+	}
+
+	err = os.MkdirAll(filepath.Dir(destination), 0755)
+	if err != nil {
+		return err
+	}
+
+	dst, err := os.Create(destination)
+	if err != nil {
+		if !os.IsExist(err) {
+			dst, err = os.Open(destination)
+			if err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	}
+
+	defer dst.Close()
+	if err := dst.Chmod(status.Mode()); err != nil {
+		return err
+	}
+
+	_, err = io.Copy(dst, src)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}