add vim syntastic plugin

.vim/bundle/syntastic/syntax_checkers/sh/shellcheck.vim

@@ -0,0 +1,66 @@
+"============================================================================
+"File:        shellcheck.vim
+"Description: Shell script syntax/style checking plugin for syntastic.vim
+"============================================================================
+
+if exists('g:loaded_syntastic_sh_shellcheck_checker')
+    finish
+endif
+let g:loaded_syntastic_sh_shellcheck_checker = 1
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_sh_shellcheck_GetLocList() dict " {{{1
+    let makeprg = self.makeprgBuild({
+        \ 'args': s:GetShell(),
+        \ 'args_after': '-f gcc' })
+
+    let errorformat =
+        \ '%f:%l:%c: %trror: %m,' .
+        \ '%f:%l:%c: %tarning: %m,' .
+        \ '%f:%l:%c: %tote: %m'
+
+    let loclist = SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'returns': [0, 1] })
+
+    for e in loclist
+        if e['type'] ==? 'n'
+            let e['type'] = 'w'
+            let e['subtype'] = 'Style'
+        endif
+    endfor
+
+    return loclist
+endfunction " }}}1
+
+" Utilities {{{1
+
+function! s:GetShell() " {{{2
+    let sh = ''
+
+    if syntastic#util#parseShebang()['exe'] ==# ''
+        if syntastic#util#rawVar('is_kornshell', 0) || syntastic#util#rawVar('is_posix', 0)
+            let sh = 'ksh'
+        elseif syntastic#util#rawVar('is_bash', 0)
+            let sh = 'bash'
+        elseif syntastic#util#rawVar('is_sh', 0)
+            let sh = 'sh'
+        endif
+    endif
+
+    return sh !=# '' ? '-s ' . sh : ''
+endfunction " }}}2
+
+" }}}1
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'sh',
+    \ 'name': 'shellcheck' })
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set sw=4 sts=4 et fdm=marker: