Add indicator for flagship.vim

doc/sleuth.txt

@@ -17,11 +17,14 @@ current and parent directories.  In lieu of adjusting 'softtabstop',
                                                 *:Sleuth*
 :Sleuth                 Manually detect indentation.
 
+                                                *SleuthIndicator()*
+SleuthIndicator()       Indicator for inclusion in 'statusline'.  Or use
+                        flagship.vim to have it included automatically.
+
 SETTINGS                                     *sleuth-settings*
 
 Automatic detection of buffer options can be controlled with:
 >
   let g:sleuth_automatic = 0
 <
-
  vim:tw=78:et:ft=help:norl:

plugin/sleuth.vim

@@ -161,9 +161,21 @@ if !exists('g:did_indent_on')
   filetype indent on
 endif
 
+function! SleuthIndicator() abort
+  if &expandtab
+    return 'sw='.&shiftwidth
+  elseif &tabstop == &shiftwidth
+    return 'ts='.&tabstop
+  else
+    return 'sw='.&shiftwidth.',ts='.&tabstop
+  endif
+endfunction
+
 augroup sleuth
   autocmd!
   autocmd FileType * if get(g:, 'sleuth_automatic', 1) | call s:detect() | endif
+  autocmd FileType * call s:detect()
+  autocmd User Flags call Hoist('buffer', 5, 'SleuthIndicator')
 augroup END
 
 command! -bar -bang Sleuth call s:detect()