Run cargo dev new_lint

CHANGELOG.md

@@ -1877,6 +1877,7 @@ Released 2018-09-13
 [`box_vec`]: https://rust-lang.github.io/rust-clippy/master/index.html#box_vec
 [`boxed_local`]: https://rust-lang.github.io/rust-clippy/master/index.html#boxed_local
 [`builtin_type_shadow`]: https://rust-lang.github.io/rust-clippy/master/index.html#builtin_type_shadow
+[`capitalized_acronyms`]: https://rust-lang.github.io/rust-clippy/master/index.html#capitalized_acronyms
 [`cargo_common_metadata`]: https://rust-lang.github.io/rust-clippy/master/index.html#cargo_common_metadata
 [`case_sensitive_file_extension_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#case_sensitive_file_extension_comparisons
 [`cast_lossless`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless

clippy_lints/src/capitalized_acronyms.rs

@@ -0,0 +1,28 @@
+use rustc_lint::{EarlyLintPass, EarlyContext};
+use rustc_session::{declare_lint_pass, declare_tool_lint};
+use rustc_ast::ast::*;
+
+declare_clippy_lint! {
+    /// **What it does:**
+    ///
+    /// **Why is this bad?**
+    ///
+    /// **Known problems:** None.
+    ///
+    /// **Example:**
+    ///
+    /// ```rust
+    /// // example code where clippy issues a warning
+    /// ```
+    /// Use instead:
+    /// ```rust
+    /// // example code which does not raise clippy warning
+    /// ```
+    pub CAPITALIZED_ACRONYMS,
+    style,
+    "default lint description"
+}
+
+declare_lint_pass!(CapitalizedAcronyms => [CAPITALIZED_ACRONYMS]);
+
+impl EarlyLintPass for CapitalizedAcronyms {}

clippy_lints/src/lib.rs

@@ -169,6 +169,7 @@ macro_rules! declare_clippy_lint {
 mod blocks_in_if_conditions;
 mod booleans;
 mod bytecount;
+mod capitalized_acronyms;
 mod cargo_common_metadata;
 mod case_sensitive_file_extension_comparisons;
 mod checked_conversions;
@@ -559,6 +560,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
         &booleans::LOGIC_BUG,
         &booleans::NONMINIMAL_BOOL,
         &bytecount::NAIVE_BYTECOUNT,
+        &capitalized_acronyms::CAPITALIZED_ACRONYMS,
         &cargo_common_metadata::CARGO_COMMON_METADATA,
         &case_sensitive_file_extension_comparisons::CASE_SENSITIVE_FILE_EXTENSION_COMPARISONS,
         &checked_conversions::CHECKED_CONVERSIONS,

tests/ui/capitalized_acronyms.rs

@@ -0,0 +1,5 @@
+#![warn(clippy::capitalized_acronyms)]
+
+fn main() {
+    // test code goes here
+}