tune update db

pkg/osx/file.go

@@ -0,0 +1,34 @@
+package osx
+
+import (
+	"io"
+	"os"
+)
+
+// Copy copies a file from source to destination
+func Copy(from, to string) error {
+	// Open the source file for reading
+	srcFile, err := os.Open(from)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	// Create the destination file for writing
+	dstFile, err := os.Create(to)
+	if err != nil {
+		return err
+	}
+	defer dstFile.Close()
+
+	// Use a buffer to copy the file in chunks
+	buf := make([]byte, 1024*1024) // 1 MB buffer
+
+	// Copy the data from srcFile to dstFile
+	_, err = io.CopyBuffer(dstFile, srcFile, buf)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}