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" Author: w0rp <devw0rp@gmail.com>
" Description: This file adds support for using the shellcheck linter with
" shell scripts.
" This global variable can be set with a string of comma-seperated error
" codes to exclude from shellcheck. For example:
"
" let g:ale_sh_shellcheck_exclusions = 'SC2002,SC2004'
let g:ale_sh_shellcheck_exclusions =
\ get(g:, 'ale_sh_shellcheck_exclusions', get(g:, 'ale_linters_sh_shellcheck_exclusions', ''))
let g:ale_sh_shellcheck_executable =
\ get(g:, 'ale_sh_shellcheck_executable', 'shellcheck')
let g:ale_sh_shellcheck_options =
\ get(g:, 'ale_sh_shellcheck_options', '')
function! ale_linters#sh#shellcheck#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'sh_shellcheck_executable')
endfunction
function! s:GetDialectArgument() abort
if exists('b:is_bash') && b:is_bash
return '-s bash'
elseif exists('b:is_sh') && b:is_sh
return '-s sh'
elseif exists('b:is_kornshell') && b:is_kornshell
return '-s ksh'
endif
return ''
endfunction
function! ale_linters#sh#shellcheck#GetCommand(buffer) abort
let l:exclude_option = ale#Var(a:buffer, 'sh_shellcheck_exclusions')
return ale_linters#sh#shellcheck#GetExecutable(a:buffer)
\ . ' ' . ale#Var(a:buffer, 'sh_shellcheck_options')
\ . ' ' . (!empty(l:exclude_option) ? '-e ' . l:exclude_option : '')
\ . ' ' . s:GetDialectArgument() . ' -f gcc -'
endfunction
call ale#linter#Define('sh', {
\ 'name': 'shellcheck',
\ 'executable_callback': 'ale_linters#sh#shellcheck#GetExecutable',
\ 'command_callback': 'ale_linters#sh#shellcheck#GetCommand',
\ 'callback': 'ale#handlers#gcc#HandleGCCFormat',
\})
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