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Make cargo linter lighter: (#408)

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- Use `cargo check` instead of `cargo build` when
  `g:ale_rust_cargo_use_check` is truish.
- Use `--frozen` to avoid locking the project.
This commit is contained in:
Idan Arye 2017-03-27 14:37:00 +03:00 committed by w0rp
parent 8ca82af4ab
commit 2f40953e03
2 changed files with 25 additions and 3 deletions
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12
ale_linters/rust/cargo.vim
View file

@ -1,6 +1,8 @@
" Author: Daniel Schemala <istjanichtzufassen@gmail.com>
" Description: rustc invoked by cargo for rust files
let g:ale_rust_cargo_use_check = get(g:, 'ale_rust_cargo_use_check', 0)
function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
if ale#util#FindNearestFile(a:bufnr, 'Cargo.toml') !=# ''
return 'cargo'
@ -11,10 +13,18 @@ function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
endif
endfunction
function! ale_linters#rust#cargo#GetCommand(buffer) abort
let l:command = g:ale_rust_cargo_use_check
\ ? 'check'
\ : 'build'
return 'cargo ' . l:command . ' --frozen --message-format=json -q'
endfunction
call ale#linter#Define('rust', {
\ 'name': 'cargo',
\ 'executable_callback': 'ale_linters#rust#cargo#GetCargoExecutable',
\ 'command': 'cargo build --message-format=json -q',
\ 'command_callback': 'ale_linters#rust#cargo#GetCommand',
\ 'callback': 'ale#handlers#rust#HandleRustErrors',
\ 'output_stream': 'stdout',
\})

16
doc/ale.txt
View file

@ -43,7 +43,8 @@ CONTENTS *ale-contents*
4.31. yamllint........................|ale-linter-options-yamllint|
4.32. cmakelint.......................|ale-linter-options-cmakelint|
4.33. perl-perl.......................|ale-linter-options-perl-perl|
4.34. asm-gcc.........................|ale-linter-options-asm-gcc|
4.34. rust-cargo......................|ale-linter-options-rust-cargo|
4.35. asm-gcc.........................|ale-linter-options-asm-gcc|
5. Linter Integration Notes.............|ale-linter-integration|
5.1. merlin..........................|ale-linter-integration-ocaml-merlin|
5.2. rust.............................|ale-integration-rust|
@ -1123,7 +1124,18 @@ g:ale_perl_perl_options *g:ale_perl_perl_options*
invocation.
-------------------------------------------------------------------------------
4.34. asm-gcc *ale-linter-options-asm-gcc*
4.34. rust-cargo *ale-linter-options-rust-cargo*
g:ale_rust_cargo_use_check *g:ale_rust_cargo_use_check*
Type: |Number|
Default: `1`
When set to `1`, this option will cause ALE to use "cargo check" instead of
"cargo build". "cargo check" is supported since version 1.16.0 of Rust.
-------------------------------------------------------------------------------
4.35. asm-gcc *ale-linter-options-asm-gcc*
g:ale_asm_gcc_options *g:ale_asm_gcc_options*