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" Author: Alistair Bill <@alibabzo>
" Description: nix-instantiate linter for nix files
function! ale_linters#nix#nix#Handle(buffer, lines) abort
let l:pattern = '^\(.\+\): \(.\+\), at .*:\(\d\+\):\(\d\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[3] + 0,
\ 'col': l:match[4] + 0,
\ 'text': l:match[1] . ': ' . l:match[2],
\ 'type': l:match[1] =~# '^error' ? 'E' : 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('nix', {
\ 'name': 'nix',
\ 'output_stream': 'stderr',
\ 'executable': 'nix-instantiate',
\ 'command': 'nix-instantiate --parse -',
\ 'callback': 'ale_linters#nix#nix#Handle',
\})
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