Added new sh checker: checkbashisms.

syntax_checkers/sh/checkbashisms.vim

@@ -0,0 +1,53 @@
+"============================================================================
+"File: checkbashisms.vim
+"Description: Syntax/style checking plugin for syntastic.vim
+"Maintainer:  András Szilárd <andras dot szilard at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+
+if exists("g:loaded_syntastic_sh_checkbashisms_checker")
+    finish
+endif
+let g:loaded_syntastic_sh_checkbashisms_checker=1
+
+
+function! s:IsShShell()
+    let shebang = getbufline(bufnr('%'), 1)[0]
+    if len(shebang) > 0
+        if match(shebang, '\<sh\>') > 0
+            return 1
+        endif
+    endif
+    return 0
+endfunction
+
+
+function! SyntaxCheckers_sh_checkbashisms_IsAvailable()
+    return executable('checkbashisms')
+endfunction
+
+
+function! SyntaxCheckers_sh_checkbashisms_GetLocList()
+    if !s:IsShShell()
+        return []
+    endif
+
+    let makeprg = syntastic#makeprg#build({'exe': 'checkbashisms'})
+
+    let errorformat =               '%Eerror: %f: %m,'
+    let errorformat = errorformat . '%Ecannot open script %f for reading: %m,'
+    let errorformat = errorformat . '%Wscript %f %m,%C%.# lines,'
+    let errorformat = errorformat . '%Wpossible bashism in %f line %l (%m):,%C%.%#,%Z.%#'
+
+    return SyntasticMake({'makeprg': makeprg, 'errorformat': errorformat})
+endfunction
+
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'sh',
+    \ 'name': 'checkbashisms'})