rust/rustfmt.toml

# Currently, most of the code in the compiler uses historical style.
#
# For new code, consider running rustfmt with this config (it should
# be picked up automatically).
version = "Two"
use_small_heuristics = "Max"

# by default we ignore everything in the repository
# tidy only checks files which are not ignored, each entry follows gitignore style
ignore = [
    # remove directories below, or opt out their subdirectories, as they are formatted
    "src/bootstrap/",
    "src/build_helper/",
    "src/liballoc/",
    "src/libarena/",
    "src/libcore/",
    "src/libfmt_macros/",
    "src/libgraphviz/",
    "src/libpanic_abort/",
    "src/libpanic_unwind/",
    "src/libproc_macro/",
    "src/libprofiler_builtins/",
    "src/librustc/",
    "src/librustc_apfloat/",
    "src/librustc_asan/",
    "src/librustc_codegen_llvm/",
    "src/librustc_codegen_ssa/",
    "src/librustc_codegen_utils/",
    "src/librustc_data_structures/",
    "src/librustc_driver/",
    "src/librustc_errors/",
    "src/librustc_feature/",
    "src/librustc_incremental/",
    "src/librustc_index/",
    "src/librustc_interface/",
    "src/librustc_lexer/",
    "src/librustc_lint/",
    "src/librustc_llvm/",
    "src/librustc_lsan/",
    "src/librustc_macros/",
    "src/librustc_metadata/",
    "src/librustc_mir/",
    "src/librustc_msan/",
    "src/librustc_parse/",
    "src/librustc_passes/",
    "src/librustc_plugin/",
    "src/librustc_plugin_impl/",
    "src/librustc_privacy/",
    "src/librustc_resolve/",
    "src/librustc_save_analysis/",
    "src/librustc_session/",
    "src/librustc_target/",
    "src/librustc_traits/",
    "src/librustc_tsan/",
    "src/librustc_typeck/",
    "src/librustdoc/",
    "src/libserialize/",
    "src/libstd/",
    "src/libsyntax/",
    "src/libsyntax_expand/",
    "src/libsyntax_ext/",
    "src/libsyntax_pos/",
    "src/libterm/",
    "src/libtest/",
    "src/libunwind/",
    "src/rtstartup/",
    "src/rustc/",
    "src/rustllvm/",
    "src/test/",
    "src/tools/",
    "src/etc",

    # do not format submodules
    "src/doc/book",
    "src/doc/edition-guide",
    "src/doc/embedded-book",
    "src/doc/nomicon",
    "src/doc/reference",
    "src/doc/rust-by-example",
    "src/doc/rustc-guide",
    "src/llvm-project",
    "src/stdarch",
    "src/tools/cargo",
    "src/tools/clippy",
    "src/tools/miri",
    "src/tools/rls",
    "src/tools/rust-installer",
    "src/tools/rustfmt",
]