feat: Provide a setting to disable showing rename conflicts

crates/ide-assists/src/assist_config.rs

@@ -9,6 +9,7 @@ use ide_db::{
     SnippetCap,
     assists::ExprFillDefaultMode,
     imports::{import_assets::ImportPathConfig, insert_use::InsertUseConfig},
+    rename::RenameConfig,
 };
 
 use crate::AssistKind;
@@ -27,6 +28,7 @@ pub struct AssistConfig {
     pub code_action_grouping: bool,
     pub expr_fill_default: ExprFillDefaultMode,
     pub prefer_self_ty: bool,
+    pub show_rename_conflicts: bool,
 }
 
 impl AssistConfig {
@@ -46,4 +48,8 @@ impl AssistConfig {
             allow_unstable,
         }
     }
+
+    pub fn rename_config(&self) -> RenameConfig {
+        RenameConfig { show_conflicts: self.show_rename_conflicts }
+    }
 }

crates/ide-assists/src/handlers/remove_underscore.rs

@@ -62,7 +62,9 @@ pub(crate) fn remove_underscore(acc: &mut Assists, ctx: &AssistContext<'_>) -> O
         "Remove underscore from a used variable",
         text_range,
         |builder| {
-            let changes = def.rename(&ctx.sema, new_name, RenameDefinition::Yes).unwrap();
+            let changes = def
+                .rename(&ctx.sema, new_name, RenameDefinition::Yes, &ctx.config.rename_config())
+                .unwrap();
             builder.source_change = changes;
         },
     )

crates/ide-assists/src/tests.rs

@@ -38,6 +38,7 @@ pub(crate) const TEST_CONFIG: AssistConfig = AssistConfig {
     code_action_grouping: true,
     expr_fill_default: ExprFillDefaultMode::Todo,
     prefer_self_ty: false,
+    show_rename_conflicts: true,
 };
 
 pub(crate) const TEST_CONFIG_NO_GROUPING: AssistConfig = AssistConfig {
@@ -59,6 +60,7 @@ pub(crate) const TEST_CONFIG_NO_GROUPING: AssistConfig = AssistConfig {
     code_action_grouping: false,
     expr_fill_default: ExprFillDefaultMode::Todo,
     prefer_self_ty: false,
+    show_rename_conflicts: true,
 };
 
 pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig {
@@ -80,6 +82,7 @@ pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig {
     code_action_grouping: true,
     expr_fill_default: ExprFillDefaultMode::Todo,
     prefer_self_ty: false,
+    show_rename_conflicts: true,
 };
 
 pub(crate) const TEST_CONFIG_IMPORT_ONE: AssistConfig = AssistConfig {
@@ -101,6 +104,7 @@ pub(crate) const TEST_CONFIG_IMPORT_ONE: AssistConfig = AssistConfig {
     code_action_grouping: true,
     expr_fill_default: ExprFillDefaultMode::Todo,
     prefer_self_ty: false,
+    show_rename_conflicts: true,
 };
 
 fn assists(

crates/ide-db/src/rename.rs

@@ -45,6 +45,11 @@ use crate::{
     traits::convert_to_def_in_trait,
 };
 
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct RenameConfig {
+    pub show_conflicts: bool,
+}
+
 pub type Result<T, E = RenameError> = std::result::Result<T, E>;
 
 #[derive(Debug)]
@@ -81,6 +86,7 @@ impl Definition {
         sema: &Semantics<'_, RootDatabase>,
         new_name: &str,
         rename_definition: RenameDefinition,
+        config: &RenameConfig,
     ) -> Result<SourceChange> {
         // self.krate() returns None if
         // self is a built-in attr, built-in type or tool module.
@@ -109,10 +115,15 @@ impl Definition {
                 bail!("Cannot rename a builtin attr.")
             }
             Definition::SelfType(_) => bail!("Cannot rename `Self`"),
-            Definition::Macro(mac) => {
-                rename_reference(sema, Definition::Macro(mac), new_name, rename_definition, edition)
-            }
-            def => rename_reference(sema, def, new_name, rename_definition, edition),
+            Definition::Macro(mac) => rename_reference(
+                sema,
+                Definition::Macro(mac),
+                new_name,
+                rename_definition,
+                edition,
+                config,
+            ),
+            def => rename_reference(sema, def, new_name, rename_definition, edition, config),
         }
     }
 
@@ -338,6 +349,7 @@ fn rename_reference(
     new_name: &str,
     rename_definition: RenameDefinition,
     edition: Edition,
+    config: &RenameConfig,
 ) -> Result<SourceChange> {
     let (mut new_name, ident_kind) = IdentifierKind::classify(edition, new_name)?;
 
@@ -396,7 +408,8 @@ fn rename_reference(
     if rename_definition == RenameDefinition::Yes {
         // This needs to come after the references edits, because we change the annotation of existing edits
         // if a conflict is detected.
-        let (file_id, edit) = source_edit_from_def(sema, def, &new_name, &mut source_change)?;
+        let (file_id, edit) =
+            source_edit_from_def(sema, config, def, &new_name, &mut source_change)?;
         source_change.insert_source_edit(file_id, edit);
     }
     Ok(source_change)
@@ -554,6 +567,7 @@ fn source_edit_from_name_ref(
 
 fn source_edit_from_def(
     sema: &Semantics<'_, RootDatabase>,
+    config: &RenameConfig,
     def: Definition,
     new_name: &Name,
     source_change: &mut SourceChange,
@@ -562,21 +576,22 @@ fn source_edit_from_def(
     if let Definition::Local(local) = def {
         let mut file_id = None;
 
-        let conflict_annotation = if !sema.rename_conflicts(&local, new_name).is_empty() {
-            Some(
-                source_change.insert_annotation(ChangeAnnotation {
-                    label: "This rename will change the program's meaning".to_owned(),
-                    needs_confirmation: true,
-                    description: Some(
-                        "Some variable(s) will shadow the renamed variable \
+        let conflict_annotation =
+            if config.show_conflicts && !sema.rename_conflicts(&local, new_name).is_empty() {
+                Some(
+                    source_change.insert_annotation(ChangeAnnotation {
+                        label: "This rename will change the program's meaning".to_owned(),
+                        needs_confirmation: true,
+                        description: Some(
+                            "Some variable(s) will shadow the renamed variable \
                         or be shadowed by it if the rename is performed"
-                            .to_owned(),
-                    ),
-                }),
-            )
-        } else {
-            None
-        };
+                                .to_owned(),
+                        ),
+                    }),
+                )
+            } else {
+                None
+            };
 
         for source in local.sources(sema.db) {
             let source = match source.source.clone().original_ast_node_rooted(sema.db) {

crates/ide-diagnostics/src/handlers/incorrect_case.rs

@@ -44,7 +44,12 @@ fn fixes(ctx: &DiagnosticsContext<'_>, d: &hir::IncorrectCase) -> Option<Vec<Ass
     let label = format!("Rename to {}", d.suggested_text);
     let mut res = unresolved_fix("change_case", &label, frange.range);
     if ctx.resolve.should_resolve(&res.id) {
-        let source_change = def.rename(&ctx.sema, &d.suggested_text, RenameDefinition::Yes);
+        let source_change = def.rename(
+            &ctx.sema,
+            &d.suggested_text,
+            RenameDefinition::Yes,
+            &ctx.config.rename_config(),
+        );
         res.source_change = Some(source_change.ok().unwrap_or_default());
     }
 

crates/ide-diagnostics/src/lib.rs

@@ -96,6 +96,7 @@ use ide_db::{
     generated::lints::{CLIPPY_LINT_GROUPS, DEFAULT_LINT_GROUPS, DEFAULT_LINTS, Lint, LintGroup},
     imports::insert_use::InsertUseConfig,
     label::Label,
+    rename::RenameConfig,
     source_change::SourceChange,
     syntax_helpers::node_ext::parse_tt_as_comma_sep_paths,
 };
@@ -236,6 +237,7 @@ pub struct DiagnosticsConfig {
     pub prefer_absolute: bool,
     pub term_search_fuel: u64,
     pub term_search_borrowck: bool,
+    pub show_rename_conflicts: bool,
 }
 
 impl DiagnosticsConfig {
@@ -264,8 +266,13 @@ impl DiagnosticsConfig {
             prefer_absolute: false,
             term_search_fuel: 400,
             term_search_borrowck: true,
+            show_rename_conflicts: true,
         }
     }
+
+    pub fn rename_config(&self) -> RenameConfig {
+        RenameConfig { show_conflicts: self.show_rename_conflicts }
+    }
 }
 
 struct DiagnosticsContext<'a> {

crates/ide/src/lib.rs

@@ -846,8 +846,9 @@ impl Analysis {
         &self,
         file_id: FileId,
         new_name_stem: &str,
+        config: &RenameConfig,
     ) -> Cancellable<Option<SourceChange>> {
-        self.with_db(|db| rename::will_rename_file(db, file_id, new_name_stem))
+        self.with_db(|db| rename::will_rename_file(db, file_id, new_name_stem, config))
     }
 
     pub fn structural_search_replace(

crates/ide/src/rename.rs

@@ -31,6 +31,7 @@ pub struct RenameConfig {
     pub prefer_no_std: bool,
     pub prefer_prelude: bool,
     pub prefer_absolute: bool,
+    pub show_conflicts: bool,
 }
 
 impl RenameConfig {
@@ -42,6 +43,10 @@ impl RenameConfig {
             allow_unstable: true,
         }
     }
+
+    fn ide_db_config(&self) -> ide_db::rename::RenameConfig {
+        ide_db::rename::RenameConfig { show_conflicts: self.show_conflicts }
+    }
 }
 
 /// This is similar to `collect::<Result<Vec<_>, _>>`, but unlike it, it succeeds if there is *any* `Ok` item.
@@ -190,7 +195,7 @@ pub(crate) fn rename(
                     return rename_to_self(&sema, local);
                 }
             }
-            def.rename(&sema, new_name.as_str(), rename_def)
+            def.rename(&sema, new_name.as_str(), rename_def, &config.ide_db_config())
         })),
     };
 
@@ -205,11 +210,13 @@ pub(crate) fn will_rename_file(
     db: &RootDatabase,
     file_id: FileId,
     new_name_stem: &str,
+    config: &RenameConfig,
 ) -> Option<SourceChange> {
     let sema = Semantics::new(db);
     let module = sema.file_to_module_def(file_id)?;
     let def = Definition::Module(module);
-    let mut change = def.rename(&sema, new_name_stem, RenameDefinition::Yes).ok()?;
+    let mut change =
+        def.rename(&sema, new_name_stem, RenameDefinition::Yes, &config.ide_db_config()).ok()?;
     change.file_system_edits.clear();
     Some(change)
 }
@@ -803,8 +810,12 @@ mod tests {
 
     use super::{RangeInfo, RenameConfig, RenameError};
 
-    const TEST_CONFIG: RenameConfig =
-        RenameConfig { prefer_no_std: false, prefer_prelude: true, prefer_absolute: false };
+    const TEST_CONFIG: RenameConfig = RenameConfig {
+        prefer_no_std: false,
+        prefer_prelude: true,
+        prefer_absolute: false,
+        show_conflicts: true,
+    };
 
     #[track_caller]
     fn check(
@@ -893,7 +904,7 @@ mod tests {
     ) {
         let (analysis, position) = fixture::position(ra_fixture);
         let source_change = analysis
-            .will_rename_file(position.file_id, new_name)
+            .will_rename_file(position.file_id, new_name, &TEST_CONFIG)
             .unwrap()
             .expect("Expect returned a RenameError");
         expect.assert_eq(&filter_expect(source_change))

crates/rust-analyzer/src/cli/analysis_stats.rs

@@ -1153,6 +1153,7 @@ impl flags::AnalysisStats {
                     style_lints: false,
                     term_search_fuel: 400,
                     term_search_borrowck: true,
+                    show_rename_conflicts: true,
                 },
                 ide::AssistResolveStrategy::All,
                 analysis.editioned_file_id_to_vfs(file_id),

crates/rust-analyzer/src/config.rs

@@ -707,6 +707,9 @@ config_data! {
         ///
         /// E.g. `use ::std::io::Read;`.
         imports_prefixExternPrelude: bool = false,
+
+        /// Whether to warn when a rename will cause conflicts (change the meaning of the code).
+        rename_showConflicts: bool = true,
     }
 }
 
@@ -1702,6 +1705,7 @@ impl Config {
                 ExprFillDefaultDef::Underscore => ExprFillDefaultMode::Underscore,
             },
             prefer_self_ty: *self.assist_preferSelf(source_root),
+            show_rename_conflicts: *self.rename_showConflicts(source_root),
         }
     }
 
@@ -1710,6 +1714,7 @@ impl Config {
             prefer_no_std: self.imports_preferNoStd(source_root).to_owned(),
             prefer_prelude: self.imports_preferPrelude(source_root).to_owned(),
             prefer_absolute: self.imports_prefixExternPrelude(source_root).to_owned(),
+            show_conflicts: *self.rename_showConflicts(source_root),
         }
     }
 
@@ -1809,6 +1814,7 @@ impl Config {
             style_lints: self.diagnostics_styleLints_enable(source_root).to_owned(),
             term_search_fuel: self.assist_termSearch_fuel(source_root).to_owned() as u64,
             term_search_borrowck: self.assist_termSearch_borrowcheck(source_root).to_owned(),
+            show_rename_conflicts: *self.rename_showConflicts(source_root),
         }
     }
 

crates/rust-analyzer/src/handlers/request.rs

@@ -787,7 +787,11 @@ pub(crate) fn handle_will_rename_files(
             }
         })
         .filter_map(|(file_id, new_name)| {
-            snap.analysis.will_rename_file(file_id?, &new_name).ok()?
+            let file_id = file_id?;
+            let source_root = snap.analysis.source_root_id(file_id).ok();
+            snap.analysis
+                .will_rename_file(file_id, &new_name, &snap.config.rename(source_root))
+                .ok()?
         })
         .collect();
 

crates/rust-analyzer/src/integrated_benchmarks.rs

@@ -363,6 +363,7 @@ fn integrated_diagnostics_benchmark() {
         prefer_absolute: false,
         term_search_fuel: 400,
         term_search_borrowck: true,
+        show_rename_conflicts: true,
     };
     host.analysis()
         .full_diagnostics(&diagnostics_config, ide::AssistResolveStrategy::None, file_id)

docs/book/src/configuration_generated.md

@@ -1303,6 +1303,13 @@ Default: `false`
 Exclude tests from find-all-references and call-hierarchy.
 
 
+## rust-analyzer.rename.showConflicts {#rename.showConflicts}
+
+Default: `true`
+
+Whether to warn when a rename will cause conflicts (change the meaning of the code).
+
+
 ## rust-analyzer.runnables.command {#runnables.command}
 
 Default: `null`

editors/code/package.json

@@ -2769,6 +2769,16 @@
                     }
                 }
             },
+            {
+                "title": "Rename",
+                "properties": {
+                    "rust-analyzer.rename.showConflicts": {
+                        "markdownDescription": "Whether to warn when a rename will cause conflicts (change the meaning of the code).",
+                        "default": true,
+                        "type": "boolean"
+                    }
+                }
+            },
             {
                 "title": "Runnables",
                 "properties": {