Get rid of regex and lazy_static dependencies
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4db76a6bcc
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@ -34,8 +34,6 @@ rustc-semver="1.1.0"
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url = { version = "2.1.0", features = ["serde"] }
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url = { version = "2.1.0", features = ["serde"] }
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quote = "1"
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quote = "1"
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syn = { version = "1", features = ["full"] }
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syn = { version = "1", features = ["full"] }
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regex = "1.4"
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lazy_static = "1.4"
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[features]
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[features]
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deny-warnings = []
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deny-warnings = []
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@ -1,8 +1,6 @@
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use crate::utils::paths::STRING;
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use crate::utils::paths::STRING;
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use crate::utils::{match_def_path, span_lint_and_help};
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use crate::utils::{match_def_path, span_lint_and_help};
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use if_chain::if_chain;
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use if_chain::if_chain;
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use lazy_static::lazy_static;
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use regex::Regex;
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use rustc_ast::ast::LitKind;
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use rustc_ast::ast::LitKind;
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use rustc_hir::{Expr, ExprKind, PathSegment};
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use rustc_hir::{Expr, ExprKind, PathSegment};
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use rustc_lint::{LateContext, LateLintPass};
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use rustc_lint::{LateContext, LateLintPass};
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@ -41,14 +39,14 @@ declare_clippy_lint! {
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declare_lint_pass!(CaseSensitiveFileExtensionComparisons => [CASE_SENSITIVE_FILE_EXTENSION_COMPARISONS]);
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declare_lint_pass!(CaseSensitiveFileExtensionComparisons => [CASE_SENSITIVE_FILE_EXTENSION_COMPARISONS]);
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fn check_case_sensitive_file_extension_comparison(ctx: &LateContext<'_>, expr: &Expr<'_>) -> Option<Span> {
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fn check_case_sensitive_file_extension_comparison(ctx: &LateContext<'_>, expr: &Expr<'_>) -> Option<Span> {
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lazy_static! {
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static ref RE: Regex = Regex::new(r"^\.([a-z0-9]{1,5}|[A-Z0-9]{1,5})$").unwrap();
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}
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if_chain! {
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if_chain! {
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if let ExprKind::MethodCall(PathSegment { ident, .. }, _, [obj, extension, ..], span) = expr.kind;
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if let ExprKind::MethodCall(PathSegment { ident, .. }, _, [obj, extension, ..], span) = expr.kind;
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if ident.as_str() == "ends_with";
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if ident.as_str() == "ends_with";
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if let ExprKind::Lit(Spanned { node: LitKind::Str(ext_literal, ..), ..}) = extension.kind;
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if let ExprKind::Lit(Spanned { node: LitKind::Str(ext_literal, ..), ..}) = extension.kind;
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if RE.is_match(&ext_literal.as_str());
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if (2..=6).contains(&ext_literal.as_str().len());
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if ext_literal.as_str().starts_with('.');
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if ext_literal.as_str().chars().skip(1).all(|c| c.is_uppercase() || c.is_digit(10))
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|| ext_literal.as_str().chars().skip(1).all(|c| c.is_lowercase() || c.is_digit(10));
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then {
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then {
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let mut ty = ctx.typeck_results().expr_ty(obj);
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let mut ty = ctx.typeck_results().expr_ty(obj);
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ty = match ty.kind() {
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ty = match ty.kind() {
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