only copy non existing

1 files changed, 9 insertions, 5 deletions

diff --git a/src/main.rs b/src/main.rs
index 12c920d..f390f31 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -7,12 +7,16 @@ use walkdir::WalkDir;
 async fn copy(from: String, to: String) -> std::io::Result<()> {
     let from_path = std::path::Path::new(&from);
     let to_path = std::path::Path::new(&to);
-    if from_path.is_dir() {
-        std::fs::create_dir_all(to)?;
-    } else if from_path.is_file() {
-        std::fs::create_dir_all(to_path.parent().unwrap())?;
-        std::fs::copy(from, to)?;
+
+    if !to_path.exists() {
+        if from_path.is_dir() {
+            std::fs::create_dir_all(to)?;
+        } else if from_path.is_file() {
+            std::fs::create_dir_all(to_path.parent().unwrap())?;
+            std::fs::copy(from, to)?;
+        }
     }
+
     Ok(())
 }