linux/.gitattributes

# SPDX-License-Identifier: GPL-2.0-only
*.[ch] diff=cpp
*.dts diff=dts
*.dts[io] diff=dts
*.rs diff=rust
.gitattributes: use 'dts' diff driver for .dtso files Now we have the third extension for DT source files (overlay). Give the diff=dts attribute to .dtso as well. While I was here, I merged .c and .o into *.[ch] and added the SPDX-License-Identifier. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> 2023-02-19 14:23:27 +00:00			`# SPDX-License-Identifier: GPL-2.0-only`
			`*.[ch] diff=cpp`
			`*.dts diff=dts`
			`*.dts[io] diff=dts`
.gitattributes: set diff driver for Rust source code files Git supports a builtin Rust diff driver [1] since v2.23.0 (2019). It improves the choice of hunk headers in some cases, such as diffs within methods, since those are indented in Rust within an `impl` block, and therefore the default diff driver would pick the outer `impl` block instead (rather than the method where the changed code is). For instance, with the default diff driver: @@ -455,6 +455,8 @@ impl fmt::Write for RawFormatter { // Amount that we can copy. `saturating_sub` ensures we get 0 if `pos` goes past `end`. let len_to_copy = core::cmp::min(pos_new, self.end).saturating_sub(self.pos); + test_diff_driver(); + if len_to_copy > 0 { // SAFETY: If `len_to_copy` is non-zero, then we know `pos` has not gone past `end` // yet, so it is valid for write per the type invariants. With the Rust diff driver: @@ -455,6 +455,8 @@ fn write_str(&mut self, s: &str) -> fmt::Result { // Amount that we can copy. `saturating_sub` ensures we get 0 if `pos` goes past `end`. let len_to_copy = core::cmp::min(pos_new, self.end).saturating_sub(self.pos); + test_diff_driver(); + if len_to_copy > 0 { // SAFETY: If `len_to_copy` is non-zero, then we know `pos` has not gone past `end` // yet, so it is valid for write per the type invariants. Thus set the `rust` diff driver for `*.rs` source files. The Rust repository also does so since 2020 [2]. Link: https://git-scm.com/docs/gitattributes#_defining_a_custom_hunk_header [1] Link: https://github.com/rust-lang/rust/pull/78882 [2] Reviewed-by: Gary Guo <gary@garyguo.net> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com> Reviewed-by: Benno Lossin <benno.lossin@proton.me> Link: https://lore.kernel.org/r/20230418233048.335281-1-ojeda@kernel.org [ Added link to Rust repository ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> 2023-04-18 23:30:48 +00:00			`*.rs diff=rust`