From ff90e980de00e6bf7ec2f4dd8aa69f3d680927e6 Mon Sep 17 00:00:00 2001
From: EinfachToll <istjanichtzufassen@googlemail.com>
Date: Thu, 21 Jan 2016 13:27:08 +0100
Subject: [PATCH] Locate the .tags file correctly on windows

Ref #184
---
 autoload/vimwiki/path.vim | 19 +++++++++++++++++++
 autoload/vimwiki/tags.vim |  2 +-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/autoload/vimwiki/path.vim b/autoload/vimwiki/path.vim
index 5cca141..f57c6fb 100644
--- a/autoload/vimwiki/path.vim
+++ b/autoload/vimwiki/path.vim
@@ -148,3 +148,22 @@ function! vimwiki#path#is_absolute(path) "{{{
     return a:path =~# '\m^/\|\~/'
   endif
 endfunction "}}}
+
+
+" Combine a directory and a file into one path, doesn't generate duplicate
+" path separator in case the directory is also having an ending / or \. This
+" is because on windows ~\vimwiki//.tags is invalid but ~\vimwiki/.tags is a
+" valid path.
+if vimwiki#u#is_windows()
+  function! vimwiki#path#join_path(directory, file)
+    let directory = vimwiki#path#chomp_slash(a:directory)
+    let file = substitute(a:file, '\m^[\\/]\+', '', '')
+    return directory . '/' . file
+  endfunction
+else
+  function! vimwiki#path#join_path(directory, file)
+    let directory = substitute(a:directory, '\m/\+$', '', '')
+    let file = substitute(a:file, '\m^/\+', '', '')
+    return directory . '/' . file
+  endfunction
+endif
diff --git a/autoload/vimwiki/tags.vim b/autoload/vimwiki/tags.vim
index 3bb4ce2..79068c1 100644
--- a/autoload/vimwiki/tags.vim
+++ b/autoload/vimwiki/tags.vim
@@ -141,7 +141,7 @@ endfunction " }}}
 " vimwiki#tags#metadata_file_path
 "   Returns tags metadata file path
 function! vimwiki#tags#metadata_file_path() abort "{{{
-  return fnamemodify(VimwikiGet('path') . '/' . s:TAGS_METADATA_FILE_NAME, ':p')
+  return fnamemodify(vimwiki#path#join_path(VimwikiGet('path'), s:TAGS_METADATA_FILE_NAME), ':p')
 endfunction " }}}
 
 " s:load_tags_metadata