Use replace action instead of explicit delete action where possible

src/main.rs

@@ -161,14 +161,29 @@ fn main() -> Result<(), String> {
                   })
                   .chain(once(add_action))
                   .collect(),
-                OldVersionPolicy::Delete => files
+                OldVersionPolicy::Delete => {
+                  let mut actions: Vec<_> = files
                     .filter(|file| file_matcher.matches(file))
-                  .map(|file| FileAction {
+                    .map(|file| {
+                      //special case -> file has the same name as current file, then we just need to replace it
+                      if file == file_name {
+                        FileAction {
+                          file: PathBuf::from(file),
+                          kind: Action::Replace,
+                        }
+                      } else {
+                        FileAction {
                           file: PathBuf::from(file),
                           kind: Action::Delete,
+                        }
+                      }
                     })
-                  .chain(once(add_action))
+                    .collect();
-                  .collect(),
+                  if !actions.iter().any(|action| action.kind == Action::Replace) {
+                    actions.push(add_action);
+                  }
+                  actions
+                },
               }
             },
           })