Merge commit 'a109190d7060236e655fc75533373fa274ec5343' into clippy-subtree-update

Author: flip1995

src/tools/clippy/.github/deploy.sh

@@ -8,8 +8,8 @@ rm -rf out/master/ || exit 0
 echo "Making the docs for master"
 mkdir out/master/
 cp util/gh-pages/index.html out/master
+cp util/gh-pages/theme.js out/master
 cp util/gh-pages/script.js out/master
-cp util/gh-pages/lints.json out/master
 cp util/gh-pages/style.css out/master
 
 if [[ -n $TAG_NAME ]]; then

src/tools/clippy/.gitignore

@@ -34,6 +34,7 @@ out
 
 # gh pages docs
 util/gh-pages/lints.json
+util/gh-pages/index.html
 
 # rustfmt backups
 *.rs.bk

src/tools/clippy/CHANGELOG.md

@@ -6,11 +6,46 @@ document.
 
 ## Unreleased / Beta / In Rust Nightly
 
-[b794b8e0...master](https://github.com/rust-lang/rust-clippy/compare/b794b8e0...master)
+[0f8eabd6...master](https://github.com/rust-lang/rust-clippy/compare/0f8eabd6...master)
+
+## Rust 1.82
+
+Current stable, released 2024-10-17
+
+[View all 108 merged pull requests](https://github.com/rust-lang/rust-clippy/pulls?q=merged%3A2024-07-11T20%3A12%3A07Z..2024-08-24T20%3A55%3A35Z+base%3Amaster)
+
+### New Lints
+
+* Added [`too_long_first_doc_paragraph`] to `nursery`
+  [#12993](https://github.com/rust-lang/rust-clippy/pull/12993)
+* Added [`unused_result_ok`] to `restriction`
+  [#12150](https://github.com/rust-lang/rust-clippy/pull/12150)
+* Added [`pathbuf_init_then_push`] to `restriction`
+  [#11700](https://github.com/rust-lang/rust-clippy/pull/11700)
+
+### Enhancements
+
+* [`explicit_iter_loop`]: Now respects the `msrv` configuration
+  [#13288](https://github.com/rust-lang/rust-clippy/pull/13288)
+* [`assigning_clones`]: No longer lints in test code
+  [#13273](https://github.com/rust-lang/rust-clippy/pull/13273)
+* [`inconsistent_struct_constructor`]: Lint attributes now work on the struct definition
+  [#13211](https://github.com/rust-lang/rust-clippy/pull/13211)
+* [`set_contains_or_insert`]: Now also checks for `BTreeSet`
+  [#13053](https://github.com/rust-lang/rust-clippy/pull/13053)
+* [`doc_markdown`]: Added the following identifiers to [`doc-valid-idents`]: AccessKit,
+  CoreFoundation, CoreGraphics, CoreText, Direct2D, Direct3D, DirectWrite, PostScript,
+  OpenAL, OpenType, WebRTC, WebSocket, WebTransport, NetBSD, and OpenBSD
+  [#13093](https://github.com/rust-lang/rust-clippy/pull/13093)
+
+### ICE Fixes
+
+* [`uninit_vec`]
+  [rust#128720](https://github.com/rust-lang/rust/pull/128720)
 
 ## Rust 1.81
 
-Current stable, released 2024-09-05
+Released 2024-09-05
 
 ### New Lints
 
@@ -5621,6 +5656,7 @@ Released 2018-09-13
 [`manual_find_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_find_map
 [`manual_flatten`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_flatten
 [`manual_hash_one`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_hash_one
+[`manual_ignore_case_cmp`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_ignore_case_cmp
 [`manual_inspect`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_inspect
 [`manual_instant_elapsed`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_instant_elapsed
 [`manual_is_ascii_check`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_ascii_check
@@ -5874,6 +5910,7 @@ Released 2018-09-13
 [`ref_option`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option
 [`ref_option_ref`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_option_ref
 [`ref_patterns`]: https://rust-lang.github.io/rust-clippy/master/index.html#ref_patterns
+[`regex_creation_in_loops`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_creation_in_loops
 [`regex_macro`]: https://rust-lang.github.io/rust-clippy/master/index.html#regex_macro
 [`renamed_function_params`]: https://rust-lang.github.io/rust-clippy/master/index.html#renamed_function_params
 [`repeat_once`]: https://rust-lang.github.io/rust-clippy/master/index.html#repeat_once
@@ -6027,6 +6064,7 @@ Released 2018-09-13
 [`unnecessary_get_then_check`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
 [`unnecessary_join`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_join
 [`unnecessary_lazy_evaluations`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
+[`unnecessary_literal_bound`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_literal_bound
 [`unnecessary_literal_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_literal_unwrap
 [`unnecessary_map_on_constructor`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_on_constructor
 [`unnecessary_min_or_max`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_min_or_max

src/tools/clippy/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy"
-version = "0.1.83"
+version = "0.1.84"
 description = "A bunch of helpful lints to avoid common pitfalls in Rust"
 repository = "https://github.com/rust-lang/rust-clippy"
 readme = "README.md"
@@ -23,7 +23,7 @@ path = "src/driver.rs"
 [dependencies]
 clippy_config = { path = "clippy_config" }
 clippy_lints = { path = "clippy_lints" }
-rustc_tools_util = "0.3.0"
+rustc_tools_util = "0.4.0"
 tempfile = { version = "3.3", optional = true }
 termize = "0.1"
 color-print = "0.3.4"
@@ -39,6 +39,8 @@ toml = "0.7.3"
 walkdir = "2.3"
 filetime = "0.2.9"
 itertools = "0.12"
+pulldown-cmark = "0.11"
+rinja = { version = "0.3", default-features = false, features = ["config"] }
 
 # UI test dependencies
 clippy_utils = { path = "clippy_utils" }
@@ -50,7 +52,7 @@ parking_lot = "0.12"
 tokio = { version = "1", features = ["io-util"] }
 
 [build-dependencies]
-rustc_tools_util = "0.3.0"
+rustc_tools_util = "0.4.0"
 
 [features]
 integration = ["tempfile"]

src/tools/clippy/book/src/lint_configuration.md

@@ -329,7 +329,7 @@ arithmetic-side-effects-allowed-unary = ["SomeType", "AnotherType"]
 ## `array-size-threshold`
 The maximum allowed size for arrays on the stack
 
-**Default Value:** `512000`
+**Default Value:** `16384`
 
 ---
 **Affected lints:**

src/tools/clippy/clippy_config/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy_config"
-version = "0.1.83"
+version = "0.1.84"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/tools/clippy/clippy_config/src/conf.rs

@@ -97,6 +97,30 @@ impl ConfError {
     }
 }
 
+// Remove code tags and code behind '# 's, as they are not needed for the lint docs and --explain
+pub fn sanitize_explanation(raw_docs: &str) -> String {
+    // Remove tags and hidden code:
+    let mut explanation = String::with_capacity(128);
+    let mut in_code = false;
+    for line in raw_docs.lines().map(str::trim) {
+        if let Some(lang) = line.strip_prefix("```") {
+            let tag = lang.split_once(',').map_or(lang, |(left, _)| left);
+            if !in_code && matches!(tag, "" | "rust" | "ignore" | "should_panic" | "no_run" | "compile_fail") {
+                explanation += "```rust\n";
+            } else {
+                explanation += line;
+                explanation.push('\n');
+            }
+            in_code = !in_code;
+        } else if !(in_code && line.starts_with("# ")) {
+            explanation += line;
+            explanation.push('\n');
+        }
+    }
+
+    explanation
+}
+
 macro_rules! wrap_option {
     () => {
         None
@@ -366,7 +390,7 @@ define_Conf! {
     arithmetic_side_effects_allowed_unary: Vec<String> = <_>::default(),
     /// The maximum allowed size for arrays on the stack
     #[lints(large_const_arrays, large_stack_arrays)]
-    array_size_threshold: u64 = 512_000,
+    array_size_threshold: u64 = 16 * 1024,
     /// Suppress lints whenever the suggested change would cause breakage for other crates.
     #[lints(
         box_collection,

src/tools/clippy/clippy_config/src/lib.rs

@@ -26,5 +26,5 @@ mod metadata;
 pub mod msrvs;
 pub mod types;
 
-pub use conf::{Conf, get_configuration_metadata, lookup_conf_file};
+pub use conf::{Conf, get_configuration_metadata, lookup_conf_file, sanitize_explanation};
 pub use metadata::ClippyConfiguration;

src/tools/clippy/clippy_config/src/msrvs.rs

@@ -17,8 +17,7 @@ macro_rules! msrv_aliases {
 
 // names may refer to stabilized feature flags or library items
 msrv_aliases! {
-    1,83,0 { CONST_EXTERN_FN }
-    1,83,0 { CONST_FLOAT_BITS_CONV }
+    1,83,0 { CONST_EXTERN_FN, CONST_FLOAT_BITS_CONV, CONST_FLOAT_CLASSIFY }
     1,82,0 { IS_NONE_OR }
     1,81,0 { LINT_REASONS_STABILIZATION }
     1,80,0 { BOX_INTO_ITER}

src/tools/clippy/clippy_dev/Cargo.toml

@@ -9,7 +9,7 @@ aho-corasick = "1.0"
 clap = { version = "4.4", features = ["derive"] }
 indoc = "1.0"
 itertools = "0.12"
-opener = "0.6"
+opener = "0.7"
 shell-escape = "0.1"
 walkdir = "2.3"
 

src/tools/clippy/clippy_dev/src/new_lint.rs

@@ -207,13 +207,13 @@ pub(crate) fn get_stabilization_version() -> String {
 
 fn get_test_file_contents(lint_name: &str, msrv: bool) -> String {
     let mut test = formatdoc!(
-        r#"
+        r"
         #![warn(clippy::{lint_name})]
 
         fn main() {{
             // test code goes here
         }}
-    "#
+    "
     );
 
     if msrv {
@@ -272,31 +272,31 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String {
 
     result.push_str(&if enable_msrv {
         formatdoc!(
-            r#"
+            r"
             use clippy_config::msrvs::{{self, Msrv}};
             use clippy_config::Conf;
             {pass_import}
             use rustc_lint::{{{context_import}, {pass_type}, LintContext}};
             use rustc_session::impl_lint_pass;
 
-        "#
+        "
         )
     } else {
         formatdoc!(
-            r#"
+            r"
             {pass_import}
             use rustc_lint::{{{context_import}, {pass_type}}};
             use rustc_session::declare_lint_pass;
 
-        "#
+        "
         )
     });
 
     let _: fmt::Result = writeln!(result, "{}", get_lint_declaration(&name_upper, category));
 
     result.push_str(&if enable_msrv {
         formatdoc!(
-            r#"
+            r"
             pub struct {name_camel} {{
                 msrv: Msrv,
             }}
@@ -315,15 +315,15 @@ fn get_lint_file_contents(lint: &LintData<'_>, enable_msrv: bool) -> String {
 
             // TODO: Add MSRV level to `clippy_config/src/msrvs.rs` if needed.
             // TODO: Update msrv config comment in `clippy_config/src/conf.rs`
-        "#
+        "
         )
     } else {
         formatdoc!(
-            r#"
+            r"
             declare_lint_pass!({name_camel} => [{name_upper}]);
 
             impl {pass_type}{pass_lifetimes} for {name_camel} {{}}
-        "#
+        "
         )
     });
 
@@ -416,7 +416,7 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R
     } else {
         let _: fmt::Result = writedoc!(
             lint_file_contents,
-            r#"
+            r"
                 use rustc_lint::{{{context_import}, LintContext}};
 
                 use super::{name_upper};
@@ -425,7 +425,7 @@ fn create_lint_for_ty(lint: &LintData<'_>, enable_msrv: bool, ty: &str) -> io::R
                 pub(super) fn check(cx: &{context_import}{pass_lifetimes}) {{
                     todo!();
                 }}
-           "#
+           "
         );
     }
 

src/tools/clippy/clippy_dev/src/serve.rs

@@ -19,7 +19,9 @@ pub fn run(port: u16, lint: Option<String>) -> ! {
     });
 
     loop {
-        if mtime("util/gh-pages/lints.json") < mtime("clippy_lints/src") {
+        let index_time = mtime("util/gh-pages/index.html");
+
+        if index_time < mtime("clippy_lints/src") || index_time < mtime("util/gh-pages/index_template.html") {
             Command::new(env::var("CARGO").unwrap_or("cargo".into()))
                 .arg("collect-metadata")
                 .spawn()

src/tools/clippy/clippy_lints/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy_lints"
-version = "0.1.83"
+version = "0.1.84"
 description = "A bunch of helpful lints to avoid common pitfalls in Rust"
 repository = "https://github.com/rust-lang/rust-clippy"
 readme = "README.md"
@@ -13,7 +13,6 @@ arrayvec = { version = "0.7", default-features = false }
 cargo_metadata = "0.18"
 clippy_config = { path = "../clippy_config" }
 clippy_utils = { path = "../clippy_utils" }
-declare_clippy_lint = { path = "../declare_clippy_lint" }
 itertools = "0.12"
 quine-mc_cluskey = "0.2"
 regex-syntax = "0.8"

src/tools/clippy/clippy_lints/src/box_default.rs

@@ -47,7 +47,7 @@ impl LateLintPass<'_> for BoxDefault {
             // And the call is that of a `Box` method
             && path_def_id(cx, ty).map_or(false, |id| Some(id) == cx.tcx.lang_items().owned_box())
             // And the single argument to the call is another function call
-            // This is the `T::default()` of `Box::new(T::default())`
+            // This is the `T::default()` (or default equivalent) of `Box::new(T::default())`
             && let ExprKind::Call(arg_path, _) = arg.kind
             // And we are not in a foreign crate's macro
             && !in_external_macro(cx.sess(), expr.span)

src/tools/clippy/clippy_lints/src/byte_char_slices.rs

@@ -41,7 +41,7 @@ impl EarlyLintPass for ByteCharSlice {
                 "can be more succinctly written as a byte str",
                 "try",
                 format!("b\"{slice}\""),
-                Applicability::MaybeIncorrect,
+                Applicability::MachineApplicable,
             );
         }
     }

src/tools/clippy/clippy_lints/src/casts/cast_abs_to_unsigned.rs

@@ -19,7 +19,7 @@ pub(super) fn check(
     if msrv.meets(msrvs::UNSIGNED_ABS)
         && let ty::Int(from) = cast_from.kind()
         && let ty::Uint(to) = cast_to.kind()
-        && let ExprKind::MethodCall(method_path, receiver, ..) = cast_expr.kind
+        && let ExprKind::MethodCall(method_path, receiver, [], _) = cast_expr.kind
         && method_path.ident.name.as_str() == "abs"
     {
         let span = if from.bit_width() == to.bit_width() {

src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs

@@ -19,7 +19,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>) {
             cx.typeck_results().expr_ty(expr),
         );
         lint_cast_ptr_alignment(cx, expr, cast_from, cast_to);
-    } else if let ExprKind::MethodCall(method_path, self_arg, ..) = &expr.kind {
+    } else if let ExprKind::MethodCall(method_path, self_arg, [], _) = &expr.kind {
         if method_path.ident.name == sym!(cast)
             && let Some(generic_args) = method_path.args
             && let [GenericArg::Type(cast_to)] = generic_args.args

src/tools/clippy/clippy_lints/src/create_dir.rs

@@ -34,7 +34,7 @@ declare_lint_pass!(CreateDir => [CREATE_DIR]);
 
 impl LateLintPass<'_> for CreateDir {
     fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) {
-        if let ExprKind::Call(func, [arg, ..]) = expr.kind
+        if let ExprKind::Call(func, [arg]) = expr.kind
             && let ExprKind::Path(ref path) = func.kind
             && let Some(def_id) = cx.qpath_res(path, func.hir_id).opt_def_id()
             && cx.tcx.is_diagnostic_item(sym::fs_create_dir, def_id)