Fix RenameFile with relative to root (prefix with /) #617

autoload/vimwiki/base.vim

@@ -1285,10 +1285,11 @@ function! s:update_wiki_links(wiki_nr, dir, old_url, new_url) abort
   " Param: wiki_nr <int> to get the syntax template
   " Param: old_location <string> relative to the current wiki fsource
   function! s:compute_old_url_r(wiki_nr, old_location) abort
+    " TODO this may be helped by path_to_regex
     " Start, Read param
     let old_url_r = a:old_location
-    " Escape the '\\/'
-    let old_url_r = escape(old_url_r, '\/')
+    " Replace / -> [\\/]
+    let old_url_r = substitute(old_url_r, '/', '[\\\\/]', 'g')
     " Add potential  ./
     let old_url_r = '\%(\.[/\\]\)\?' . old_url_r
     " Compute old url regex with filename between \zs and \ze
@@ -1322,15 +1323,28 @@ function! s:update_wiki_links(wiki_nr, dir, old_url, new_url) abort
 
     " Old url
     " Avoid E713
-    let key = empty(dir_rel_fsource) ? 'NaF' : dir_rel_fsource
+    let old_rel_fsource = dir_rel_fsource . a:old_url
+    let key = empty(old_rel_fsource) ? 'NaF' : old_rel_fsource
     if index(keys(cache_dict), key) == -1
       let cache_dict[key] = s:compute_old_url_r(
-            \ a:wiki_nr, dir_rel_fsource . a:old_url)
+            \ a:wiki_nr,  old_rel_fsource)
     endif
-    let old_url_r = cache_dict[key]
+    let r_old_rel_fsource = cache_dict[key]
 
     " Update url in source file
-    call s:update_wiki_link(fsource, old_url_r, new_url)
+    call s:update_wiki_link(fsource, r_old_rel_fsource, new_url)
+
+    " Same job with absolute path (#617)
+    let old_rel_root = '/' . dir_rel_root . '/' . a:old_url
+    let key = empty(dir_rel_root) ? 'NaF' : dir_rel_root
+    if index(keys(cache_dict), key) == -1
+      let cache_dict[key] = s:compute_old_url_r(
+            \ a:wiki_nr, old_rel_root)
+    endif
+    let r_old_rel_root = cache_dict[key]
+    let new_rel_root = simplify('/' . dir_rel_root . '/' . a:new_url)
+
+    call s:update_wiki_link(fsource, r_old_rel_root, new_rel_root)
   endfor
 endfunction
 

test/link_renaming.vader

@@ -13,8 +13,24 @@ Execute (Mkdir dir1 dir2 dir11 dir12):
   call system("mkdir $HOME/testmarkdown/dir2")
 
 
-# Test Transdirectory and argument {{{1
-# New feature #926
+
+Do(Link with / are relative to root #617):
+  :edit $HOME/testmarkdown/test.md\<Cr>
+  :Log 'Is this wiki 2'\<Cr>
+  :AssertEqual 1, vimwiki#vars#get_bufferlocal('wiki_nr')\<Cr>
+  :Log 'Editing'\<Cr>
+  i/dir1/old_name\<Esc>
+  \<CR>\<CR>
+  :AssertEqual 'old_name', expand('%:t:r')\<Cr>
+  :call WriteMe()\<Cr>
+  :VimwikiRenameFile new_name\<Cr>
+  :AssertEqual 'new_name', expand('%:t:r')\<Cr>
+  :edit $HOME/testmarkdown/test.md\<Cr>
+  :AssertEqual '[dir1 old_name](/dir1/new_name)', getline(1)\<Cr>
+
+
+# TEST TRANSDIRECTORY AND ARGUMENT {{{1
+# NEW FEATURE #926
 
 # Create smaller unit {{{2
 
@@ -83,9 +99,10 @@ Do (Testing transforward {{{2):
   0\<Cr>\<Cr>
 
 # Now in root
-  :AssertEqual expand('%'), $HOME . '/testmarkdown/Test-Rename-Completion.md'\<Cr>
+  :AssertEqual $HOME . '/testmarkdown/Test-Rename-Completion.md', expand('%')\<Cr>
   :VimwikiRenameFile dir1/Test-Rename-Completion-2\<Cr>
-  :AssertEqual expand('%'), $HOME . '/testmarkdown/dir1/Test-Rename-Completion-2.md'\<Cr>
+  :Log 'Rename -> dir1/Test...{{{3'\<Cr>
+  :AssertEqual $HOME . '/testmarkdown/dir1/Test-Rename-Completion-2.md', expand('%')\<Cr>
 
 
 Execute (Delete smaller unit changed {{{2):