Updated vim plugins

sources_non_forked/nerdtree/CHANGELOG

@@ -1,4 +1,8 @@
 Next
+    - Reuse/reopen existing window trees where possible #244
+    - Remove NERDTree.previousBuf()
+    - Change color of arrow (Leeiio) #630
+    - Improved a tip in README.markdown (ggicci) #628
     - Shorten delete confimration of empty directory to 'y' (mikeperri) #530
     - Fix API call to open directory tree in window (devm33) #533
     - Change default arrows on non-Windows platforms (gwilk) #546

sources_non_forked/nerdtree/README.markdown

@@ -101,15 +101,13 @@ Stick this in your vimrc:
 Note: Now start vim with plain `vim`, not `vim .`
 
 ---
-> How can I open NERDTree on startup, and have my cursor start in the other window?
+> How can I open NERDTree automatically when vim starts up on opening a directory?
 
-Stick this in your vimrc:
+    autocmd StdinReadPre * let s:std_in=1
+    autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif
 
-    autocmd vimenter * NERDTree
-    autocmd vimenter * wincmd p
+This window is tab-specific, meaning it's used by all windows in the tab. This trick also prevents NERDTree from hiding when first selecting a file.
 
- *via [stackoverflow/Yohann](http://stackoverflow.com/questions/4277808/nerdtree-auto-focus-to-file-when-opened-in-new-tab/19330023#19330023)*
- 
 ---
 > How can I map a specific key or shortcut to open NERDTree?
 
@@ -134,5 +132,5 @@ See here: https://github.com/scrooloose/nerdtree/issues/433#issuecomment-9259069
 
 Use these variables in your vimrc. Note that below are default arrow symbols
 
-    let g:NERDTreeDirArrowExpandable = '►'
-    let g:NERDTreeDirArrowCollapsible = '▼'
+    let g:NERDTreeDirArrowExpandable = '▸'
+    let g:NERDTreeDirArrowCollapsible = '▾'

sources_non_forked/nerdtree/autoload/nerdtree.vim

@@ -13,9 +13,37 @@ endfunction
 "FUNCTION: nerdtree#checkForBrowse(dir) {{{2
 "inits a window tree in the current buffer if appropriate
 function! nerdtree#checkForBrowse(dir)
-    if a:dir != '' && isdirectory(a:dir)
-        call g:NERDTreeCreator.CreateWindowTree(a:dir)
+    if !isdirectory(a:dir)
+        return
     endif
+
+    if s:reuseWin(a:dir)
+        return
+    endif
+
+    call g:NERDTreeCreator.CreateWindowTree(a:dir)
+endfunction
+
+"FUNCTION: s:reuseWin(dir) {{{2
+"finds a NERDTree buffer with root of dir, and opens it.
+function! s:reuseWin(dir) abort
+    let path = g:NERDTreePath.New(fnamemodify(a:dir, ":p"))
+
+    for i in range(1, bufnr("$"))
+        unlet! nt
+        let nt = getbufvar(i, "NERDTree")
+        if empty(nt)
+            continue
+        endif
+
+        if nt.isWinTree() && nt.root.path.equals(path)
+            call nt.setPreviousBuf(bufnr("#"))
+            exec "buffer " . i
+            return 1
+        endif
+    endfor
+
+    return 0
 endfunction
 
 " FUNCTION: nerdtree#completeBookmarks(A,L,P) {{{2

sources_non_forked/nerdtree/lib/nerdtree/nerdtree.vim

@@ -186,6 +186,10 @@ function! s:NERDTree.previousBuf()
     return self._previousBuf
 endfunction
 
+function! s:NERDTree.setPreviousBuf(bnum)
+    let self._previousBuf = a:bnum
+endfunction
+
 "FUNCTION: s:NERDTree.render() {{{1
 "A convenience function - since this is called often
 function! s:NERDTree.render()

sources_non_forked/nerdtree/nerdtree_plugin/fs_menu.vim

@@ -74,7 +74,7 @@ endfunction
 function! s:promptToRenameBuffer(bufnum, msg, newFileName)
     echo a:msg
     if g:NERDTreeAutoDeleteBuffer || nr2char(getchar()) ==# 'y'
-        let quotedFileName = fnameescape(a:newFilename)
+        let quotedFileName = fnameescape(a:newFileName)
         " 1. ensure that a new buffer is loaded
         exec "badd " . quotedFileName
         " 2. ensure that all windows which display the just deleted filename

sources_non_forked/nerdtree/plugin/NERD_tree.vim

@@ -68,8 +68,8 @@ call s:initVariable("g:NERDTreeShowLineNumbers", 0)
 call s:initVariable("g:NERDTreeSortDirs", 1)
 
 if !nerdtree#runningWindows()
-    call s:initVariable("g:NERDTreeDirArrowExpandable", "►")
-    call s:initVariable("g:NERDTreeDirArrowCollapsible", "▼")
+    call s:initVariable("g:NERDTreeDirArrowExpandable", "▸")
+    call s:initVariable("g:NERDTreeDirArrowCollapsible", "▾")
 else
     call s:initVariable("g:NERDTreeDirArrowExpandable", "+")
     call s:initVariable("g:NERDTreeDirArrowCollapsible", "~")

sources_non_forked/nerdtree/syntax/nerdtree.vim

@@ -72,8 +72,8 @@ hi def link NERDTreeDir Directory
 hi def link NERDTreeUp Directory
 hi def link NERDTreeFile Normal
 hi def link NERDTreeCWD Statement
-hi def link NERDTreeOpenable Title
-hi def link NERDTreeClosable Title
+hi def link NERDTreeOpenable Directory
+hi def link NERDTreeClosable Directory
 hi def link NERDTreeIgnore ignore
 hi def link NERDTreeRO WarningMsg
 hi def link NERDTreeBookmark Statement