Update for PR feedback

clippy_lints/src/redundant_pub_crate.rs

@@ -1,4 +1,5 @@
-use crate::utils::span_lint_and_help;
+use crate::utils::span_lint_and_then;
+use rustc_errors::Applicability;
 use rustc_hir::{Item, ItemKind, VisibilityKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::{declare_tool_lint, impl_lint_pass};
@@ -43,12 +44,20 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantPubCrate {
         if let VisibilityKind::Crate { .. } = item.vis.node {
             if !cx.access_levels.is_exported(item.hir_id) {
                 if let Some(false) = self.is_exported.last() {
-                    span_lint_and_help(
+                    let span = item.span.with_hi(item.ident.span.hi());
+                    span_lint_and_then(
                         cx,
                         REDUNDANT_PUB_CRATE,
-                        item.span,
+                        span,
                         &format!("pub(crate) {} inside private module", item.kind.descr()),
-                        "consider using `pub` instead of `pub(crate)`",
+                        |db| {
+                            db.span_suggestion(
+                                item.vis.span,
+                                "consider using",
+                                "pub".to_string(),
+                                Applicability::MachineApplicable,
+                            );
+                        },
                     )
                 }
             }

tests/ui/redundant_pub_crate.fixed

@@ -0,0 +1,107 @@
+// run-rustfix
+#![allow(dead_code)]
+#![warn(clippy::redundant_pub_crate)]
+
+mod m1 {
+    fn f() {}
+    pub fn g() {} // private due to m1
+    pub fn h() {}
+
+    mod m1_1 {
+        fn f() {}
+        pub fn g() {} // private due to m1_1 and m1
+        pub fn h() {}
+    }
+
+    pub mod m1_2 {
+        // ^ private due to m1
+        fn f() {}
+        pub fn g() {} // private due to m1_2 and m1
+        pub fn h() {}
+    }
+
+    pub mod m1_3 {
+        fn f() {}
+        pub fn g() {} // private due to m1
+        pub fn h() {}
+    }
+}
+
+pub(crate) mod m2 {
+    fn f() {}
+    pub fn g() {} // already crate visible due to m2
+    pub fn h() {}
+
+    mod m2_1 {
+        fn f() {}
+        pub fn g() {} // private due to m2_1
+        pub fn h() {}
+    }
+
+    pub mod m2_2 {
+        // ^ already crate visible due to m2
+        fn f() {}
+        pub fn g() {} // already crate visible due to m2_2 and m2
+        pub fn h() {}
+    }
+
+    pub mod m2_3 {
+        fn f() {}
+        pub fn g() {} // already crate visible due to m2
+        pub fn h() {}
+    }
+}
+
+pub mod m3 {
+    fn f() {}
+    pub(crate) fn g() {} // ok: m3 is exported
+    pub fn h() {}
+
+    mod m3_1 {
+        fn f() {}
+        pub fn g() {} // private due to m3_1
+        pub fn h() {}
+    }
+
+    pub(crate) mod m3_2 {
+        // ^ ok
+        fn f() {}
+        pub fn g() {} // already crate visible due to m3_2
+        pub fn h() {}
+    }
+
+    pub mod m3_3 {
+        fn f() {}
+        pub(crate) fn g() {} // ok: m3 and m3_3 are exported
+        pub fn h() {}
+    }
+}
+
+mod m4 {
+    fn f() {}
+    pub fn g() {} // private: not re-exported by `pub use m4::*`
+    pub fn h() {}
+
+    mod m4_1 {
+        fn f() {}
+        pub fn g() {} // private due to m4_1
+        pub fn h() {}
+    }
+
+    pub mod m4_2 {
+        // ^ private: not re-exported by `pub use m4::*`
+        fn f() {}
+        pub fn g() {} // private due to m4_2
+        pub fn h() {}
+    }
+
+    pub mod m4_3 {
+        fn f() {}
+        pub(crate) fn g() {} // ok: m4_3 is re-exported by `pub use m4::*`
+        pub fn h() {}
+    }
+}
+
+pub use m4::*;
+
+fn main() {}

tests/ui/redundant_pub_crate.rs

@@ -1,3 +1,5 @@
+// run-rustfix
+#![allow(dead_code)]
 #![warn(clippy::redundant_pub_crate)]
 
 mod m1 {

tests/ui/redundant_pub_crate.stderr

@@ -1,146 +1,132 @@
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:5:5
+  --> $DIR/redundant_pub_crate.rs:7:5
    |
 LL |     pub(crate) fn g() {} // private due to m1
-   |     ^^^^^^^^^^^^^^^^^^^^
+   |     ----------^^^^^
+   |     |
+   |     help: consider using: `pub`
    |
    = note: `-D clippy::redundant-pub-crate` implied by `-D warnings`
-   = help: consider using `pub` instead of `pub(crate)`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:10:9
+  --> $DIR/redundant_pub_crate.rs:12:9
    |
 LL |         pub(crate) fn g() {} // private due to m1_1 and m1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) module inside private module
-  --> $DIR/redundant_pub_crate.rs:14:5
+  --> $DIR/redundant_pub_crate.rs:16:5
    |
-LL | /     pub(crate) mod m1_2 {
-LL | |         // ^ private due to m1
-LL | |         fn f() {}
-LL | |         pub(crate) fn g() {} // private due to m1_2 and m1
-LL | |         pub fn h() {}
-LL | |     }
-   | |_____^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+LL |     pub(crate) mod m1_2 {
+   |     ----------^^^^^^^^^
+   |     |
+   |     help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:17:9
+  --> $DIR/redundant_pub_crate.rs:19:9
    |
 LL |         pub(crate) fn g() {} // private due to m1_2 and m1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:23:9
+  --> $DIR/redundant_pub_crate.rs:25:9
    |
 LL |         pub(crate) fn g() {} // private due to m1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:30:5
+  --> $DIR/redundant_pub_crate.rs:32:5
    |
 LL |     pub(crate) fn g() {} // already crate visible due to m2
-   |     ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |     ----------^^^^^
+   |     |
+   |     help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:35:9
+  --> $DIR/redundant_pub_crate.rs:37:9
    |
 LL |         pub(crate) fn g() {} // private due to m2_1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) module inside private module
-  --> $DIR/redundant_pub_crate.rs:39:5
+  --> $DIR/redundant_pub_crate.rs:41:5
    |
-LL | /     pub(crate) mod m2_2 {
-LL | |         // ^ already crate visible due to m2
-LL | |         fn f() {}
-LL | |         pub(crate) fn g() {} // already crate visible due to m2_2 and m2
-LL | |         pub fn h() {}
-LL | |     }
-   | |_____^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+LL |     pub(crate) mod m2_2 {
+   |     ----------^^^^^^^^^
+   |     |
+   |     help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:42:9
+  --> $DIR/redundant_pub_crate.rs:44:9
    |
 LL |         pub(crate) fn g() {} // already crate visible due to m2_2 and m2
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:48:9
+  --> $DIR/redundant_pub_crate.rs:50:9
    |
 LL |         pub(crate) fn g() {} // already crate visible due to m2
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:60:9
+  --> $DIR/redundant_pub_crate.rs:62:9
    |
 LL |         pub(crate) fn g() {} // private due to m3_1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:67:9
+  --> $DIR/redundant_pub_crate.rs:69:9
    |
 LL |         pub(crate) fn g() {} // already crate visible due to m3_2
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:80:5
+  --> $DIR/redundant_pub_crate.rs:82:5
    |
 LL |     pub(crate) fn g() {} // private: not re-exported by `pub use m4::*`
-   |     ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |     ----------^^^^^
+   |     |
+   |     help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:85:9
+  --> $DIR/redundant_pub_crate.rs:87:9
    |
 LL |         pub(crate) fn g() {} // private due to m4_1
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: pub(crate) module inside private module
-  --> $DIR/redundant_pub_crate.rs:89:5
+  --> $DIR/redundant_pub_crate.rs:91:5
    |
-LL | /     pub(crate) mod m4_2 {
-LL | |         // ^ private: not re-exported by `pub use m4::*`
-LL | |         fn f() {}
-LL | |         pub(crate) fn g() {} // private due to m4_2
-LL | |         pub fn h() {}
-LL | |     }
-   | |_____^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+LL |     pub(crate) mod m4_2 {
+   |     ----------^^^^^^^^^
+   |     |
+   |     help: consider using: `pub`
 
 error: pub(crate) function inside private module
-  --> $DIR/redundant_pub_crate.rs:92:9
+  --> $DIR/redundant_pub_crate.rs:94:9
    |
 LL |         pub(crate) fn g() {} // private due to m4_2
-   |         ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: consider using `pub` instead of `pub(crate)`
+   |         ----------^^^^^
+   |         |
+   |         help: consider using: `pub`
 
 error: aborting due to 16 previous errors