X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;ds=sidebyside;f=rustfmt.toml;h=480b19a5e933685cde31dddb4c6076b1169c2174;hb=66ba81059e15b3466c71fe5b5bf2418702dd1fd1;hp=2bd8f7d1bc15d7a6690a34aad18f968f7af9bd3c;hpb=7f020206e8f57dbf31b4ef3f7066d49e1bd19fbb;p=rust.git

diff --git a/rustfmt.toml b/rustfmt.toml
index 2bd8f7d1bc1..480b19a5e93 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,37 @@
-# Matches rustfmt.toml of rustc
+# Run rustfmt with this config (it should be picked up automatically).
 version = "Two"
 use_small_heuristics = "Max"
 merge_derives = false
+
+# by default we ignore everything in the repository
+# tidy only checks files which are not ignored, each entry follows gitignore style
+ignore = [
+    "/build/",
+    "/*-build/",
+    "/build-*/",
+    "/vendor/",
+
+    # tests for now are not formatted, as they are sometimes pretty-printing constrained
+    # (and generally rustfmt can move around comments in UI-testing incompatible ways)
+    "src/test",
+
+    # do not format submodules
+    "library/backtrace",
+    "library/stdarch",
+    "compiler/rustc_codegen_cranelift",
+    "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-dev-guide",
+    "src/llvm-project",
+    "src/tools/cargo",
+    "src/tools/clippy",
+    "src/tools/miri",
+    "src/tools/rls",
+    "src/tools/rust-analyzer",
+    "src/tools/rustfmt",
+    "src/tools/rust-installer",
+]