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Auto merge of #8743 - Alexendoo:useless-attribute-redundant-pub-crate, r=llogiq

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ignore `redundant_pub_crate` in `useless_attribute`

changelog: [`useless_attribute`] no longer lints [`redundant_pub_crate`]

As mentioned in https://github.com/rust-lang/rust-clippy/issues/8732#issuecomment-1106489634

> And it turns out I can't even explicitly allow it at the usage site, because then `clippy::useless_attribute` fires (which would also be a FP?), which is deny-by-default.
>
> Though it does work if I then allow `clippy::useless_attribute`. 😂
>
> ```rust
> #[allow(clippy::useless_attribute)]
> #[allow(clippy::redundant_pub_crate)]
> pub(crate) use bit;
> ```
>
> The originally-reported warning now no longer occurs.
This commit is contained in:
bors 2022-04-27 05:43:13 +00:00
commit 18a1831377
4 changed files with 19 additions and 8 deletions
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13
clippy_lints/src/attrs.rs
View File

@ -335,9 +335,6 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
}
if let Some(lint_list) = &attr.meta_item_list() {
if attr.ident().map_or(false, |ident| is_lint_level(ident.name)) {
// permit `unused_imports`, `deprecated`, `unreachable_pub`,
// `clippy::wildcard_imports`, and `clippy::enum_glob_use` for `use` items
// and `unused_imports` for `extern crate` items with `macro_use`
for lint in lint_list {
match item.kind {
ItemKind::Use(..) => {
@ -345,10 +342,12 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
|| is_word(lint, sym::deprecated)
|| is_word(lint, sym!(unreachable_pub))
|| is_word(lint, sym!(unused))
|| extract_clippy_lint(lint)
.map_or(false, |s| s.as_str() == "wildcard_imports")
|| extract_clippy_lint(lint)
.map_or(false, |s| s.as_str() == "enum_glob_use")
|| extract_clippy_lint(lint).map_or(false, |s| {
matches!(
s.as_str(),
"wildcard_imports" | "enum_glob_use" | "redundant_pub_crate",
)
})
{
return;
}

6
tests/ui/useless_attribute.fixed
View File

@ -57,6 +57,12 @@ pub use std::io::prelude::*;
#[allow(clippy::enum_glob_use)]
pub use std::cmp::Ordering::*;
// don't lint on clippy::redundant_pub_crate
mod c {
#[allow(clippy::redundant_pub_crate)]
pub(crate) struct S;
}
fn test_indented_attr() {
#![allow(clippy::almost_swapped)]
use std::collections::HashSet;

6
tests/ui/useless_attribute.rs
View File

@ -57,6 +57,12 @@ pub use std::io::prelude::*;
#[allow(clippy::enum_glob_use)]
pub use std::cmp::Ordering::*;
// don't lint on clippy::redundant_pub_crate
mod c {
#[allow(clippy::redundant_pub_crate)]
pub(crate) struct S;
}
fn test_indented_attr() {
#[allow(clippy::almost_swapped)]
use std::collections::HashSet;

2
tests/ui/useless_attribute.stderr
View File

@ -13,7 +13,7 @@ LL | #[cfg_attr(feature = "cargo-clippy", allow(dead_code))]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![cfg_attr(feature = "cargo-clippy", allow(dead_code)`
error: useless lint attribute
--> $DIR/useless_attribute.rs:61:5
--> $DIR/useless_attribute.rs:67:5
|
LL | #[allow(clippy::almost_swapped)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(clippy::almost_swapped)]`