376 lines
16 KiB
Rust
376 lines
16 KiB
Rust
#![allow(clippy::manual_assert)]
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mod progress;
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use self::progress::Progress;
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use anyhow::Result;
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use flate2::read::GzDecoder;
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use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
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use std::collections::BTreeSet;
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use std::ffi::OsStr;
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use std::fs;
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use std::path::{Path, PathBuf};
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use tar::Archive;
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use walkdir::{DirEntry, WalkDir};
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const REVISION: &str = "b10cfcd65fd7f7b1ab9beb34798b2108de003452";
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#[rustfmt::skip]
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static EXCLUDE_FILES: &[&str] = &[
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// TODO: CStr literals: c"…", cr"…"
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// https://github.com/dtolnay/syn/issues/1502
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"src/tools/clippy/tests/ui/needless_raw_string.rs",
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"src/tools/clippy/tests/ui/needless_raw_string_hashes.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rs",
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// TODO: explicit tail calls: `become _g()`
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// https://github.com/dtolnay/syn/issues/1501
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"tests/ui/explicit-tail-calls/return-lifetime-sub.rs",
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// TODO: non-lifetime binders: `where for<'a, T> &'a Struct<T>: Trait`
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// https://github.com/dtolnay/syn/issues/1435
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"src/tools/rustfmt/tests/source/issue_5721.rs",
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"src/tools/rustfmt/tests/source/non-lifetime-binders.rs",
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"src/tools/rustfmt/tests/target/issue_5721.rs",
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"src/tools/rustfmt/tests/target/non-lifetime-binders.rs",
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"tests/rustdoc-json/non_lifetime_binders.rs",
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"tests/rustdoc/inline_cross/auxiliary/non_lifetime_binders.rs",
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"tests/rustdoc/non_lifetime_binders.rs",
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// TODO: return type notation: `where T: Trait<method(): Send>`
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// https://github.com/dtolnay/syn/issues/1434
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0208_associated_return_type_bounds.rs",
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"tests/ui/associated-type-bounds/return-type-notation/basic.rs",
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"tests/ui/feature-gates/feature-gate-return_type_notation.rs",
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// TODO: lazy type alias syntax with where-clause in trailing position
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// https://github.com/dtolnay/syn/issues/1525
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"tests/rustdoc/typedef-inner-variants-lazy_type_alias.rs",
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// TODO: gen blocks and functions
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// https://github.com/dtolnay/syn/issues/1526
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"compiler/rustc_codegen_cranelift/example/gen_block_iterate.rs",
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"tests/ui/coroutine/gen_block_is_iter.rs",
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"tests/ui/coroutine/gen_block_iterate.rs",
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// TODO: struct literal in match guard
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// https://github.com/dtolnay/syn/issues/1527
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"tests/ui/parser/struct-literal-in-match-guard.rs",
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// Compile-fail expr parameter in const generic position: f::<1 + 2>()
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"tests/ui/const-generics/early/closing-args-token.rs",
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"tests/ui/const-generics/early/const-expression-parameter.rs",
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// Compile-fail variadics in not the last position of a function parameter list
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"tests/ui/parser/variadic-ffi-syntactic-pass.rs",
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// Need at least one trait in impl Trait, no such type as impl 'static
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"tests/ui/type-alias-impl-trait/generic_type_does_not_live_long_enough.rs",
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// Negative polarity trait bound: `where T: !Copy`
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"src/tools/rustfmt/tests/target/negative-bounds.rs",
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// Lifetime bound inside for<>: `T: ~const ?for<'a: 'b> Trait<'a>`
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"tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-syntax.rs",
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// Const impl that is not a trait impl: `impl ~const T {}`
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"tests/ui/rfcs/rfc-2632-const-trait-impl/syntax.rs",
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// Deprecated anonymous parameter syntax in traits
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"src/tools/rustfmt/tests/source/trait.rs",
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"src/tools/rustfmt/tests/target/trait.rs",
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"tests/ui/issues/issue-13105.rs",
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"tests/ui/issues/issue-13775.rs",
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"tests/ui/issues/issue-34074.rs",
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"tests/ui/proc-macro/trait-fn-args-2015.rs",
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// Deprecated where-clause location
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"src/tools/rustfmt/tests/source/issue_4257.rs",
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"src/tools/rustfmt/tests/source/issue_4911.rs",
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"src/tools/rustfmt/tests/target/issue_4257.rs",
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"src/tools/rustfmt/tests/target/issue_4911.rs",
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"tests/pretty/gat-bounds.rs",
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"tests/rustdoc/generic-associated-types/gats.rs",
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// Deprecated trait object syntax with parenthesized generic arguments and no dyn keyword
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0104_path_fn_trait_args.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0202_typepathfn_with_coloncolon.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0209_bare_dyn_types_with_paren_as_generic_args.rs",
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"src/tools/rustfmt/tests/source/attrib.rs",
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"src/tools/rustfmt/tests/source/closure.rs",
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"src/tools/rustfmt/tests/source/existential_type.rs",
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"src/tools/rustfmt/tests/source/fn-simple.rs",
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"src/tools/rustfmt/tests/source/fn_args_layout-vertical.rs",
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"src/tools/rustfmt/tests/source/issue-4689/one.rs",
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"src/tools/rustfmt/tests/source/issue-4689/two.rs",
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"src/tools/rustfmt/tests/source/paths.rs",
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"src/tools/rustfmt/tests/source/structs.rs",
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"src/tools/rustfmt/tests/target/attrib.rs",
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"src/tools/rustfmt/tests/target/closure.rs",
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"src/tools/rustfmt/tests/target/existential_type.rs",
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"src/tools/rustfmt/tests/target/fn-simple.rs",
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"src/tools/rustfmt/tests/target/fn.rs",
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"src/tools/rustfmt/tests/target/fn_args_layout-vertical.rs",
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"src/tools/rustfmt/tests/target/issue-4689/one.rs",
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"src/tools/rustfmt/tests/target/issue-4689/two.rs",
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"src/tools/rustfmt/tests/target/paths.rs",
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"src/tools/rustfmt/tests/target/structs.rs",
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"tests/codegen-units/item-collection/non-generic-closures.rs",
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"tests/debuginfo/recursive-enum.rs",
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"tests/pretty/closure-reform-pretty.rs",
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"tests/run-make/reproducible-build-2/reproducible-build.rs",
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"tests/run-make/reproducible-build/reproducible-build.rs",
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"tests/ui/auxiliary/typeid-intrinsic-aux1.rs",
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"tests/ui/auxiliary/typeid-intrinsic-aux2.rs",
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"tests/ui/impl-trait/generic-with-implicit-hrtb-without-dyn.rs",
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"tests/ui/lifetimes/auxiliary/lifetime_bound_will_change_warning_lib.rs",
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"tests/ui/lifetimes/bare-trait-object-borrowck.rs",
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"tests/ui/lifetimes/bare-trait-object.rs",
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"tests/ui/parser/bounds-obj-parens.rs",
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// Invalid unparenthesized range pattern inside slice pattern: `[1..]`
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"tests/ui/consts/miri_unleashed/const_refers_to_static_cross_crate.rs",
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// Various extensions to Rust syntax made up by rust-analyzer
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0012_type_item_where_clause.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0058_range_pat.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0123_param_list_vararg.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0131_existential_type.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0156_fn_def_param.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0179_use_tree_abs_star.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0188_const_param_default_path.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0015_use_tree.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0029_range_forms.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0051_parameter_attrs.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0055_dot_dot_dot.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/ok/0068_item_modifiers.rs",
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"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0031_block_inner_attrs.rs",
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"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0038_endless_inclusive_range.rs",
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"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0045_ambiguous_trait_object.rs",
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"src/tools/rust-analyzer/crates/syntax/test_data/parser/validation/0046_mutable_const_item.rs",
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// Placeholder syntax for "throw expressions"
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"compiler/rustc_errors/src/translation.rs",
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"src/tools/clippy/tests/ui/needless_return.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0204_yeet_expr.rs",
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"tests/pretty/yeet-expr.rs",
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"tests/ui/try-trait/yeet-for-option.rs",
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"tests/ui/try-trait/yeet-for-result.rs",
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// Edition 2015 code using identifiers that are now keywords
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// TODO: some of these we should probably parse
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0159_try_macro_fallback.rs",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0160_try_macro_rules.rs",
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"src/tools/rustfmt/tests/source/configs/indent_style/block_call.rs",
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"src/tools/rustfmt/tests/source/configs/use_try_shorthand/false.rs",
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"src/tools/rustfmt/tests/source/configs/use_try_shorthand/true.rs",
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"src/tools/rustfmt/tests/source/issue_1306.rs",
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"src/tools/rustfmt/tests/source/try-conversion.rs",
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"src/tools/rustfmt/tests/target/configs/indent_style/block_call.rs",
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"src/tools/rustfmt/tests/target/configs/use_try_shorthand/false.rs",
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"src/tools/rustfmt/tests/target/issue-1681.rs",
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"src/tools/rustfmt/tests/target/issue_1306.rs",
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"tests/ui/dyn-keyword/dyn-2015-no-warnings-without-lints.rs",
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"tests/ui/editions/edition-keywords-2015-2015.rs",
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"tests/ui/editions/edition-keywords-2015-2018.rs",
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"tests/ui/lint/lint_pre_expansion_extern_module_aux.rs",
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"tests/ui/macros/macro-comma-support-rpass.rs",
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"tests/ui/macros/try-macro.rs",
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"tests/ui/parser/extern-crate-async.rs",
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"tests/ui/try-block/try-is-identifier-edition2015.rs",
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// Excessive nesting
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"tests/ui/issues/issue-74564-if-expr-stack-overflow.rs",
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// Testing tools on invalid syntax
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"src/tools/rustfmt/tests/coverage/target/comments.rs",
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"src/tools/rustfmt/tests/parser/issue-4126/invalid.rs",
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"src/tools/rustfmt/tests/parser/issue_4418.rs",
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"src/tools/rustfmt/tests/parser/unclosed-delims/issue_4466.rs",
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"src/tools/rustfmt/tests/source/configs/disable_all_formatting/true.rs",
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"src/tools/rustfmt/tests/source/configs/spaces_around_ranges/false.rs",
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"src/tools/rustfmt/tests/source/configs/spaces_around_ranges/true.rs",
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"src/tools/rustfmt/tests/source/type.rs",
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"src/tools/rustfmt/tests/target/configs/spaces_around_ranges/false.rs",
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"src/tools/rustfmt/tests/target/configs/spaces_around_ranges/true.rs",
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"src/tools/rustfmt/tests/target/type.rs",
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"tests/run-make/translation/test.rs",
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"tests/ui/generics/issue-94432-garbage-ice.rs",
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// Generated file containing a top-level expression, used with `include!`
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"compiler/rustc_codegen_gcc/src/intrinsic/archs.rs",
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// Clippy lint lists represented as expressions
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"src/tools/clippy/clippy_lints/src/lib.deprecated.rs",
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// Not actually test cases
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"tests/ui/lint/expansion-time-include.rs",
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"tests/ui/macros/auxiliary/macro-comma-support.rs",
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"tests/ui/macros/auxiliary/macro-include-items-expr.rs",
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"tests/ui/macros/include-single-expr-helper.rs",
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"tests/ui/macros/include-single-expr-helper-1.rs",
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"tests/ui/parser/issues/auxiliary/issue-21146-inc.rs",
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];
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#[rustfmt::skip]
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static EXCLUDE_DIRS: &[&str] = &[
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// Inputs that intentionally do not parse
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"src/tools/rust-analyzer/crates/parser/test_data/parser/err",
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"src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err",
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// Inputs that lex but do not necessarily parse
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"src/tools/rust-analyzer/crates/parser/test_data/lexer",
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// Inputs that used to crash rust-analyzer, but aren't necessarily supposed to parse
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"src/tools/rust-analyzer/crates/syntax/test_data/parser/fuzz-failures",
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"src/tools/rust-analyzer/crates/syntax/test_data/reparse/fuzz-failures",
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];
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// Directories in which a .stderr implies the corresponding .rs is not expected
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// to work.
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static UI_TEST_DIRS: &[&str] = &["tests/ui", "tests/rustdoc-ui"];
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pub fn for_each_rust_file(for_each: impl Fn(&Path) + Sync + Send) {
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let mut rs_files = BTreeSet::new();
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let repo_dir = Path::new("tests/rust");
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for entry in WalkDir::new(repo_dir)
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.into_iter()
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.filter_entry(base_dir_filter)
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{
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let entry = entry.unwrap();
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if !entry.file_type().is_dir() {
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rs_files.insert(entry.into_path());
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}
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}
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for ui_test_dir in UI_TEST_DIRS {
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for entry in WalkDir::new(repo_dir.join(ui_test_dir)) {
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let mut path = entry.unwrap().into_path();
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if path.extension() == Some(OsStr::new("stderr")) {
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loop {
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rs_files.remove(&path.with_extension("rs"));
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path = path.with_extension("");
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if path.extension().is_none() {
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break;
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}
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}
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}
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}
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}
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rs_files.par_iter().map(PathBuf::as_path).for_each(for_each);
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}
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pub fn base_dir_filter(entry: &DirEntry) -> bool {
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let path = entry.path();
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let mut path_string = path.to_string_lossy();
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if cfg!(windows) {
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path_string = path_string.replace('\\', "/").into();
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}
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let path_string = if path_string == "tests/rust" {
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return true;
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} else if let Some(path) = path_string.strip_prefix("tests/rust/") {
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path
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} else {
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panic!("unexpected path in Rust dist: {}", path_string);
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};
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if path.is_dir() {
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return !EXCLUDE_DIRS.contains(&path_string);
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}
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if path.extension() != Some(OsStr::new("rs")) {
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return false;
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}
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!EXCLUDE_FILES.contains(&path_string)
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}
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#[allow(dead_code)]
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pub fn edition(path: &Path) -> &'static str {
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if path.ends_with("dyn-2015-no-warnings-without-lints.rs") {
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"2015"
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} else {
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"2018"
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}
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}
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pub fn clone_rust() {
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let needs_clone = match fs::read_to_string("tests/rust/COMMIT") {
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Err(_) => true,
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Ok(contents) => contents.trim() != REVISION,
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};
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if needs_clone {
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download_and_unpack().unwrap();
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}
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let mut missing = String::new();
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let test_src = Path::new("tests/rust");
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let mut exclude_files_set = BTreeSet::new();
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for exclude in EXCLUDE_FILES {
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if !exclude_files_set.insert(exclude) {
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panic!("duplicate path in EXCLUDE_FILES: {}", exclude);
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}
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for dir in EXCLUDE_DIRS {
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if Path::new(exclude).starts_with(dir) {
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panic!("excluded file {} is inside an excluded dir", exclude);
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}
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}
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if !test_src.join(exclude).is_file() {
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missing += "\ntests/rust/";
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missing += exclude;
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}
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}
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let mut exclude_dirs_set = BTreeSet::new();
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for exclude in EXCLUDE_DIRS {
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if !exclude_dirs_set.insert(exclude) {
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panic!("duplicate path in EXCLUDE_DIRS: {}", exclude);
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}
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if !test_src.join(exclude).is_dir() {
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missing += "\ntests/rust/";
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missing += exclude;
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missing += "/";
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}
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}
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if !missing.is_empty() {
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panic!("excluded test file does not exist:{}\n", missing);
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}
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}
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fn download_and_unpack() -> Result<()> {
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let url = format!(
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"https://github.com/rust-lang/rust/archive/{}.tar.gz",
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REVISION
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);
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let response = reqwest::blocking::get(url)?.error_for_status()?;
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let progress = Progress::new(response);
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let decoder = GzDecoder::new(progress);
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let mut archive = Archive::new(decoder);
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let prefix = format!("rust-{}", REVISION);
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let tests_rust = Path::new("tests/rust");
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if tests_rust.exists() {
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fs::remove_dir_all(tests_rust)?;
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}
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for entry in archive.entries()? {
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let mut entry = entry?;
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let path = entry.path()?;
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if path == Path::new("pax_global_header") {
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continue;
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}
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let relative = path.strip_prefix(&prefix)?;
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let out = tests_rust.join(relative);
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entry.unpack(&out)?;
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}
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fs::write("tests/rust/COMMIT", REVISION)?;
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Ok(())
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}
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