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rust: enable rustdoc::unescaped_backticks lint

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In Rust 1.71.0, `rustdoc` added the `unescaped_backticks` lint, which
detects what are typically typos in Markdown formatting regarding inline
code [1], e.g. from the Rust standard library:

    /// ... to `deref`/`deref_mut`` must ...

    /// ... use [`from_mut`]`. Specifically, ...

It does not seem to have almost any false positives, from the experience
of enabling it in the Rust standard library [2], which will be checked
starting with Rust 1.82.0. The maintainers also confirmed it is ready
to be used.

Thus enable it.

Link: https://doc.rust-lang.org/rustdoc/lints.html#unescaped_backticks [1]
Link: https://github.com/rust-lang/rust/pull/128307 [2]
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Gary Guo <gary@garyguo.net>
Link: https://lore.kernel.org/r/20240904204347.168520-9-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Miguel Ojeda 2024-09-04 22:43:36 +02:00
parent 3fcc233976
commit bef83245f5
2 changed files with 6 additions and 2 deletions
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3
Makefile
View File

@ -461,7 +461,8 @@ export rust_common_flags := --edition=2021 \
-Wclippy::undocumented_unsafe_blocks \
-Wclippy::unnecessary_safety_comment \
-Wclippy::unnecessary_safety_doc \
-Wrustdoc::missing_crate_level_docs
-Wrustdoc::missing_crate_level_docs \
-Wrustdoc::unescaped_backticks
KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) \
$(HOSTCFLAGS) -I $(srctree)/scripts/include

5
rust/Makefile
View File

@ -61,7 +61,7 @@ alloc-cfgs = \
quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
cmd_rustdoc = \
OBJTREE=$(abspath $(objtree)) \
$(RUSTDOC) $(if $(rustdoc_host),$(rust_common_flags),$(rust_flags)) \
$(RUSTDOC) $(filter-out $(skip_flags),$(if $(rustdoc_host),$(rust_common_flags),$(rust_flags))) \
$(rustc_target_flags) -L$(objtree)/$(obj) \
-Zunstable-options --generate-link-to-definition \
--output $(rustdoc_output) \
@ -98,6 +98,9 @@ rustdoc-macros: private rustc_target_flags = --crate-type proc-macro \
rustdoc-macros: $(src)/macros/lib.rs FORCE
+$(call if_changed,rustdoc)
# Starting with Rust 1.82.0, skipping `-Wrustdoc::unescaped_backticks` should
# not be needed -- see https://github.com/rust-lang/rust/pull/128307.
rustdoc-core: private skip_flags = -Wrustdoc::unescaped_backticks
rustdoc-core: private rustc_target_flags = $(core-cfgs)
rustdoc-core: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
+$(call if_changed,rustdoc)