From 7ae70a06ceb9b6a2619bb91f8d839417c3ee3f67 Mon Sep 17 00:00:00 2001
From: Ali Bektas <bektasali@protonmail.com>
Date: Sat, 8 Jul 2023 02:39:03 +0200
Subject: [PATCH] Disallow renaming of non-local structs

---
 crates/ide-db/src/rename.rs | 11 ++++++++++-
 crates/ide/src/rename.rs    | 18 ++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/crates/ide-db/src/rename.rs b/crates/ide-db/src/rename.rs
index aa0bb7cce69..27add0ad371 100644
--- a/crates/ide-db/src/rename.rs
+++ b/crates/ide-db/src/rename.rs
@@ -22,7 +22,7 @@
 //! Our current behavior is ¯\_(ツ)_/¯.
 use std::fmt;
 
-use base_db::{AnchoredPathBuf, FileId, FileRange};
+use base_db::{AnchoredPathBuf, CrateOrigin, FileId, FileRange};
 use either::Either;
 use hir::{FieldSource, HasSource, InFile, ModuleSource, Semantics};
 use stdx::never;
@@ -77,6 +77,15 @@ impl Definition {
                 bail!("Cannot rename builtin type")
             }
             Definition::SelfType(_) => bail!("Cannot rename `Self`"),
+            Definition::Adt(hir::Adt::Struct(strukt)) => {
+                if !matches!(
+                    strukt.module(sema.db).krate().origin(sema.db),
+                    CrateOrigin::Local { .. }
+                ) {
+                    bail!("Cannot rename a non-local struct.")
+                }
+                rename_reference(sema, Definition::Adt(hir::Adt::Struct(strukt)), new_name)
+            }
             def => rename_reference(sema, def, new_name),
         }
     }
diff --git a/crates/ide/src/rename.rs b/crates/ide/src/rename.rs
index dae8e71e8a0..3017ca75366 100644
--- a/crates/ide/src/rename.rs
+++ b/crates/ide/src/rename.rs
@@ -2529,6 +2529,7 @@ fn main() {
 ",
         )
     }
+<<<<<<< HEAD
 
     #[test]
     fn extern_crate() {
@@ -2634,4 +2635,21 @@ use qux as frob;
         // ",
         //         );
     }
+||||||| parent of 948d9f274 (Disallow renaming of non-local structs)
+=======
+
+    #[test]
+    fn disallow_renaming_for_non_local_struct() {
+        check(
+            "Baz",
+            r#"
+//- /lib.rs crate:lib new_source_root:library
+pub struct S$0;
+//- /main.rs crate:main deps:lib new_source_root:local
+use lib::S;
+"#,
+            "error: Cannot rename a non-local struct.",
+        );
+    }
+>>>>>>> 948d9f274 (Disallow renaming of non-local structs)
 }