66 lines
2.0 KiB
VimL
66 lines
2.0 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: Lints sh files using bash -n
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" Backwards compatibility
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if exists('g:ale_linters_sh_shell_default_shell')
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let g:ale_sh_shell_default_shell = g:ale_linters_sh_shell_default_shell
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endif
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" This option can be changed to change the default shell when the shell
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" cannot be taken from the hashbang line.
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if !exists('g:ale_sh_shell_default_shell')
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let g:ale_sh_shell_default_shell = fnamemodify($SHELL, ':t')
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if g:ale_sh_shell_default_shell ==# ''
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let g:ale_sh_shell_default_shell = 'bash'
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endif
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endif
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function! ale_linters#sh#shell#GetExecutable(buffer) abort
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let l:banglines = getbufline(a:buffer, 1)
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" Take the shell executable from the hashbang, if we can.
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if len(l:banglines) == 1 && l:banglines[0] =~# '^#!'
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" Remove options like -e, etc.
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let l:line = substitute(l:banglines[0], '--\?[a-zA-Z0-9]\+', '', 'g')
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for l:possible_shell in ['bash', 'tcsh', 'csh', 'zsh', 'sh']
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if l:line =~# l:possible_shell . '\s*$'
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return l:possible_shell
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endif
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endfor
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endif
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return ale#Var(a:buffer, 'sh_shell_default_shell')
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endfunction
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function! ale_linters#sh#shell#GetCommand(buffer) abort
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return ale_linters#sh#shell#GetExecutable(a:buffer) . ' -n %t'
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endfunction
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function! ale_linters#sh#shell#Handle(buffer, lines) abort
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" Matches patterns line the following:
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"
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" bash: line 13: syntax error near unexpected token `d'
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" sh: 11: Syntax error: "(" unexpected
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let l:pattern = '\v(line |: ?)(\d+): (.+)$'
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let l:output = []
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for l:match in ale#util#GetMatches(a:lines, l:pattern)
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call add(l:output, {
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\ 'lnum': str2nr(l:match[2]),
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\ 'text': l:match[3],
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('sh', {
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\ 'name': 'shell',
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\ 'output_stream': 'stderr',
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\ 'executable_callback': 'ale_linters#sh#shell#GetExecutable',
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\ 'command_callback': 'ale_linters#sh#shell#GetCommand',
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\ 'callback': 'ale_linters#sh#shell#Handle',
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\})
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