vim-pkgsync-respect-git-managed-tag

vim-pkgsync-respect-git-managed-tag.patch

diff --git a/plugin/pkgsync.vim b/plugin/pkgsync.vim
index baf68cb..3cde058 100644
--- a/plugin/pkgsync.vim
+++ b/plugin/pkgsync.vim
@@ -187,12 +187,24 @@ endfunction
 
 function! s:helptags(params) abort
 	for param in a:params
-		if isdirectory(param['plugin_dir'] .. '/doc')
+		if s:do_need_exec_helptags(param['plugin_dir'] .. '/doc')
 			execute printf('helptags %s', fnameescape(param['plugin_dir'] .. '/doc'))
 		endif
 	endfor
 endfunction
 
+function! s:do_need_exec_helptags(docdir) abort
+	let exts = uniq(sort(map(globpath(a:docdir, '*.{txt,??x}', 1, 1), 'v:val[-3:]')))
+	for ext in exts
+		let tagname = 'tags' .. (ext == 'txt' ? '' : '-' .. ext[:1])
+		if !filereadable(a:docdir .. '/' .. tagname) ||
+			\	empty(system('cd ' .. shellescape(a:docdir) .. ' && git ls-files ' .. tagname))
+			return v:true
+		endif
+	endfor
+	return v:false
+endfunc
+
 function s:system_onevent(d, job, data, event) abort
 	let a:d['lines'] += a:data
 	sleep 10m