# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1487709405 28800
# Node ID 2cf3fb66285b818eae0be7d5ddd08d27c43f27b5
# Parent  02a94ff0db5771ac410577a7a6a6a761d6d23a60
Use absolute paths for `ctags` if the tags file is not local.

diff -r 02a94ff0db57 -r 2cf3fb66285b autoload/gutentags.vim
--- a/autoload/gutentags.vim	Sun Feb 19 20:47:50 2017 -0800
+++ b/autoload/gutentags.vim	Tue Feb 21 12:36:45 2017 -0800
@@ -76,7 +76,8 @@
 " Returns whether a path is rooted.
 if has('win32') || has('win64')
 function! gutentags#is_path_rooted(path) abort
-  return len(a:path) >= 2 && a:path[1] == ':'
+  return len(a:path) >= 2 && (
+        \a:path[0] == '/' || a:path[0] == '\' || a:path[1] == ':')
 endfunction
 else
 function! gutentags#is_path_rooted(path) abort
diff -r 02a94ff0db57 -r 2cf3fb66285b autoload/gutentags/ctags.vim
--- a/autoload/gutentags/ctags.vim	Sun Feb 19 20:47:50 2017 -0800
+++ b/autoload/gutentags/ctags.vim	Tue Feb 21 12:36:45 2017 -0800
@@ -69,6 +69,7 @@
     execute "chdir " . fnameescape(a:proj_dir)
 
     let l:tags_file_exists = filereadable(a:tags_file)
+    let l:tags_file_is_local = match(a:tags_file, '\v[/\\]') < 0
 
     if l:tags_file_exists && g:gutentags_ctags_check_tagfile
         let l:first_lines = readfile(a:tags_file, '', 1)
@@ -81,7 +82,7 @@
         endif
     endif
 
-    if empty(g:gutentags_cache_dir)
+    if empty(g:gutentags_cache_dir) && l:tags_file_is_local
         " If we don't use the cache directory, we can pass relative paths
         " around.
         "
@@ -107,7 +108,7 @@
         let l:cmd .= ' -p "' . l:actual_proj_dir . '"'
         if a:write_mode == 0 && l:tags_file_exists
             let l:cur_file_path = expand('%:p')
-            if empty(g:gutentags_cache_dir)
+            if empty(g:gutentags_cache_dir) && l:tags_file_is_local
                 let l:cur_file_path = fnamemodify(l:cur_file_path, ':.')
             endif
             let l:cmd .= ' -s "' . l:cur_file_path . '"'