Updated plugins

sources_non_forked/nerdtree/lib/nerdtree/opener.vim

@@ -257,7 +257,7 @@ endfunction
 function! s:Opener._openDirectory(node)
     if self._nerdtree.isWinTree()
         call self._gotoTargetWin()
-        call g:NERDTreeCreator.CreateWindow(a:node.path.str())
+        call g:NERDTreeCreator.CreateWindowTree(a:node.path.str())
     else
         call self._gotoTargetWin()
         if empty(self._where)

sources_non_forked/nerdtree/lib/nerdtree/path.vim

@@ -174,11 +174,15 @@ function! s:Path.copy(dest)
 
     call s:Path.createParentDirectories(a:dest)
 
-    let dest = s:Path.WinToUnixPath(a:dest)
+    if exists('g:NERDTreeCopyCmd')
+        let cmd_prefix = g:NERDTreeCopyCmd
+    else
+        let cmd_prefix = (self.isDirectory ? g:NERDTreeCopyDirCmd : g:NERDTreeCopyFileCmd)
+    endif
 
-    let cmd = g:NERDTreeCopyCmd . " " . escape(self.str(), self._escChars()) . " " . escape(dest, self._escChars())
+    let cmd = cmd_prefix . " " . escape(self.str(), self._escChars()) . " " . escape(a:dest, self._escChars())
     let success = system(cmd)
-    if success != 0
+    if v:shell_error != 0
         throw "NERDTree.CopyError: Could not copy ''". self.str() ."'' to: '" . a:dest . "'"
     endif
 endfunction
@@ -187,7 +191,7 @@ endfunction
 "
 "returns 1 if copying is supported for this OS
 function! s:Path.CopyingSupported()
-    return exists('g:NERDTreeCopyCmd')
+    return exists('g:NERDTreeCopyCmd') || (exists('g:NERDTreeCopyDirCmd') && exists('g:NERDTreeCopyFileCmd'))
 endfunction
 
 "FUNCTION: Path.copyingWillOverwrite(dest) {{{1
@@ -213,7 +217,7 @@ endfunction
 "FUNCTION: Path.createParentDirectories(path) {{{1
 "
 "create parent directories for this path if needed
-"without throwing any errors is those directories already exist
+"without throwing any errors if those directories already exist
 "
 "Args:
 "path: full path of the node whose parent directories may need to be created
@@ -226,8 +230,7 @@ endfunction
 
 "FUNCTION: Path.delete() {{{1
 "
-"Deletes the file represented by this path.
-"Deletion of directories is not supported
+"Deletes the file or directory represented by this path.
 "
 "Throws NERDTree.Path.Deletion exceptions
 function! s:Path.delete()

sources_non_forked/nerdtree/lib/nerdtree/tree_dir_node.vim

@@ -117,28 +117,14 @@ endfunction
 "FUNCTION: TreeDirNode.getCascade() {{{1
 "Return an array of dir nodes (starting from self) that can be cascade opened.
 function! s:TreeDirNode.getCascade()
+    if !self.isCascadable()
+        return [self]
+    endif
 
-    let rv = [self]
-    let node = self
+    let vc = self.getVisibleChildren()
+    let visChild = vc[0]
 
-    while 1
-        let vc = node.getVisibleChildren()
-        if len(vc) != 1
-            break
-        endif
-
-        let visChild = vc[0]
-
-        "TODO: optimize
-        if !visChild.path.isDirectory
-            break
-        endif
-
-        call add(rv, visChild)
-        let node = visChild
-    endwhile
-
-    return rv
+    return [self] + visChild.getCascade()
 endfunction
 
 "FUNCTION: TreeDirNode.getChildCount() {{{1
@@ -264,6 +250,10 @@ endfunction
 "FUNCTION: TreeDirNode.isCascadable() {{{1
 "true if this dir has only one visible child - which is also a dir
 function! s:TreeDirNode.isCascadable()
+    if g:NERDTreeCascadeSingleChildDir == 0
+        return 0
+    endif
+
     let c = self.getVisibleChildren()
     return len(c) == 1 && c[0].path.isDirectory
 endfunction
@@ -466,7 +456,7 @@ function! s:TreeDirNode.refresh()
 
             " Regular expression is too expensive. Use simply string comparison
             " instead
-            if i[len(i)-3:2] != ".." && i[len(i)-2:2] != ".." && 
+            if i[len(i)-3:2] != ".." && i[len(i)-2:2] != ".." &&
              \ i[len(i)-2:1] != "." && i[len(i)-1] != "."
                 try
                     "create a new path and see if it exists in this nodes children

sources_non_forked/nerdtree/lib/nerdtree/ui.vim

@@ -282,7 +282,8 @@ endfunction
 function! s:UI._indentLevelFor(line)
     "have to do this work around because match() returns bytes, not chars
     let numLeadBytes = match(a:line, '\M\[^ '.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.']')
-    let leadChars = strchars(a:line[0:numLeadBytes-1])
+    " The next line is a backward-compatible workaround for strchars(a:line(0:numLeadBytes-1]). strchars() is in 7.3+
+    let leadChars = len(split(a:line[0:numLeadBytes-1], '\zs'))
 
     return leadChars / s:UI.IndentWid()
 endfunction