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" Author: w0rp <devw0rp@gmail.com>
" Description: Lints sh files using bash -n
" Backwards compatibility
if exists('g:ale_linters_sh_shell_default_shell')
let g:ale_sh_shell_default_shell = g:ale_linters_sh_shell_default_shell
endif
" This option can be changed to change the default shell when the shell
" cannot be taken from the hashbang line.
if !exists('g:ale_sh_shell_default_shell')
let g:ale_sh_shell_default_shell = fnamemodify($SHELL, ':t')
if g:ale_sh_shell_default_shell is# '' || g:ale_sh_shell_default_shell is# 'fish'
let g:ale_sh_shell_default_shell = 'bash'
endif
endif
function! ale_linters#sh#shell#GetExecutable(buffer) abort
let l:shell_type = ale#handlers#sh#GetShellType(a:buffer)
if !empty(l:shell_type)
return l:shell_type
endif
return ale#Var(a:buffer, 'sh_shell_default_shell')
endfunction
function! ale_linters#sh#shell#GetCommand(buffer) abort
return ale_linters#sh#shell#GetExecutable(a:buffer) . ' -n %t'
endfunction
function! ale_linters#sh#shell#Handle(buffer, lines) abort
" Matches patterns line the following:
"
" bash: line 13: syntax error near unexpected token `d'
" sh: 11: Syntax error: "(" unexpected
let l:pattern = '\v(line |: ?)(\d+): (.+)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': str2nr(l:match[2]),
\ 'text': l:match[3],
\})
endfor
return l:output
endfunction
call ale#linter#Define('sh', {
\ 'name': 'shell',
\ 'output_stream': 'stderr',
\ 'executable': function('ale_linters#sh#shell#GetExecutable'),
\ 'command': function('ale_linters#sh#shell#GetCommand'),
\ 'callback': 'ale_linters#sh#shell#Handle',
\})
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