if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'dhall') != -1
  finish
endif

if exists('b:dhall_ftplugin')
	finish
endif
let b:dhall_ftplugin = 1

setlocal commentstring=--\ %s

set smarttab

if exists('g:dhall_use_ctags')
    if g:dhall_use_ctags == 1
        augroup dhall
            autocmd BufWritePost *.dhall silent !ctags -R .
        augroup END
    endif
endif

function! StripTrailingWhitespace()
    let myline=line('.')
    let mycolumn = col('.')
    exec 'silent %s/  *$//'
    call cursor(myline, mycolumn)
endfunction

if exists('g:dhall_strip_whitespace')
    if g:dhall_strip_whitespace == 1
        augroup dhall
            au BufWritePre *.dhall silent! call StripTrailingWhitespace()
        augroup END
    endif
endif

augroup dhall
    au BufNewFile,BufRead *.dhall setl shiftwidth=2
augroup END