add a primary annotation too

Author: ntBre

crates/ruff/tests/lint.rs

@@ -5588,15 +5588,15 @@ fn cookiecutter_globbing() -> Result<()> {
                 .args(STDIN_BASE_OPTIONS)
                 .arg("--select=F811")
                 .current_dir(tempdir.path()), @r"
-			success: false
-			exit_code: 1
-			----- stdout -----
-			{{cookiecutter.repo_name}}/tests/maintest.py:3:8: F811 [*] Redefinition of unused `foo` from line 1
-			Found 1 error.
-			[*] 1 fixable with the `--fix` option.
+        success: false
+        exit_code: 1
+        ----- stdout -----
+        {{cookiecutter.repo_name}}/tests/maintest.py:3:8: F811 [*] Redefinition of unused `foo` from line 1: `foo` redefined here
+        Found 1 error.
+        [*] 1 fixable with the `--fix` option.
 
-			----- stderr -----
-		");
+        ----- stderr -----
+        ");
     });
 
     Ok(())

crates/ruff_linter/src/rules/pyflakes/rules/redefined_while_unused.rs

@@ -197,6 +197,10 @@ pub(crate) fn redefined_while_unused(checker: &Checker, scope_id: ScopeId, scope
                 shadowed,
             );
 
+            if let Some(ann) = diagnostic.primary_annotation_mut() {
+                ann.set_message(format_args!("`{name}` redefined here"));
+            }
+
             if let Some(range) = binding.parent_range(checker.semantic()) {
                 diagnostic.set_parent(range.start());
             }

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_0.py.snap

@@ -5,7 +5,7 @@ F811 Redefinition of unused `bar` from line 6
   --> F811_0.py:10:5
    |
 10 | def bar():
-   |     ^^^
+   |     ^^^ `bar` redefined here
 11 |     pass
    |
   ::: F811_0.py:6:5

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_1.py.snap

@@ -5,7 +5,7 @@ F811 Redefinition of unused `FU` from line 1
  --> F811_1.py:1:14
   |
 1 | import fu as FU, bar as FU
-  |              --         ^^
+  |              --         ^^ `FU` redefined here
   |              |
   |              previous definition of `FU` here
   |

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_12.py.snap

@@ -11,7 +11,7 @@ F811 Redefinition of unused `mixer` from line 2
 4 |     pass
 5 | else:
 6 |     from bb import mixer
-  |                    ^^^^^
+  |                    ^^^^^ `mixer` redefined here
 7 | mixer(123)
   |
 help: Remove definition: `mixer`

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_15.py.snap

@@ -5,7 +5,7 @@ F811 Redefinition of unused `fu` from line 1
  --> F811_15.py:4:5
   |
 4 | def fu():
-  |     ^^
+  |     ^^ `fu` redefined here
 5 |     pass
   |
  ::: F811_15.py:1:8

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_16.py.snap

@@ -7,7 +7,7 @@ F811 Redefinition of unused `fu` from line 3
 6 | def bar():
 7 |     def baz():
 8 |         def fu():
-  |             ^^
+  |             ^^ `fu` redefined here
 9 |             pass
   |
  ::: F811_16.py:3:8

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_17.py.snap

@@ -6,7 +6,7 @@ F811 [*] Redefinition of unused `fu` from line 2
   |
 5 | def bar():
 6 |     import fu
-  |            ^^
+  |            ^^ `fu` redefined here
 7 |
 8 |     def baz():
   |
@@ -36,7 +36,7 @@ F811 Redefinition of unused `fu` from line 6
  7 |
  8 |     def baz():
  9 |         def fu():
-   |             ^^
+   |             ^^ `fu` redefined here
 10 |             pass
    |
 help: Remove definition: `fu`

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_2.py.snap

@@ -5,7 +5,7 @@ F811 Redefinition of unused `FU` from line 1
  --> F811_2.py:1:23
   |
 1 | from moo import fu as FU, bar as FU
-  |                       --         ^^
+  |                       --         ^^ `FU` redefined here
   |                       |
   |                       previous definition of `FU` here
   |

crates/ruff_linter/src/rules/pyflakes/snapshots/ruff_linter__rules__pyflakes__tests__F811_F811_21.py.snap

@@ -7,7 +7,7 @@ F811 [*] Redefinition of unused `Sequence` from line 26
 30 | from typing import (
 31 |     List,  # noqa: F811
 32 |     Sequence,
-   |     ^^^^^^^^
+   |     ^^^^^^^^ `Sequence` redefined here
 33 | )
    |
   ::: F811_21.py:26:5