fix(#1731 #1723 #1716): handle all external file system changes (#1757)

* fix(#1731): watcher refreshes node rather than the first node matching absolute path, profile refresh

* fix(#1731): reload explorer reloads closed folders

* fix(#1731): do not fire folder created event on file create

* fix(#1731): reload profile absolute path, not link to

* fix(#1731): find-file locks/profiles on real path, reloads when watchers disabled

* Revert "fix(#1731): reload explorer reloads closed folders"

This reverts commit 5dfd8bd2fa.

* fix(#1731): tidy watch reload

* fix(#1731): move refresh_node from watch to reload

* fix(#1731): find-file reloads all nodes for the containing directory

* fix(#1731): create-file refreshes synchronously

* fix(#1731): remove unused watch node

* fix(#1731): find-file refreshes root

* fix(#1716): create-file invokes find-file

* fix(#1731): refresh path walks down the tree to the targedt

lua/nvim-tree/explorer/node-builders.lua

@@ -10,7 +10,7 @@ function M.folder(parent, absolute_path, name)
   local handle = vim.loop.fs_scandir(absolute_path)
   local has_children = handle and vim.loop.fs_scandir_next(handle) ~= nil
 
-  return {
+  local node = {
     type = "directory",
     absolute_path = absolute_path,
     fs_stat = vim.loop.fs_stat(absolute_path),
@@ -20,8 +20,11 @@ function M.folder(parent, absolute_path, name)
     nodes = {},
     open = false,
     parent = parent,
-    watcher = watch.create_watcher(absolute_path),
   }
+
+  node.watcher = watch.create_watcher(node)
+
+  return node
 end
 
 function M.is_executable(parent, absolute_path, ext)
@@ -63,16 +66,18 @@ end
 function M.link(parent, absolute_path, name)
   --- I dont know if this is needed, because in my understanding, there isn't hard links in windows, but just to be sure i changed it.
   local link_to = vim.loop.fs_realpath(absolute_path)
-  local open, nodes, has_children, watcher
-  if (link_to ~= nil) and vim.loop.fs_stat(link_to).type == "directory" then
+  local open, nodes, has_children
+
+  local is_dir_link = (link_to ~= nil) and vim.loop.fs_stat(link_to).type == "directory"
+
+  if is_dir_link then
     local handle = vim.loop.fs_scandir(link_to)
     has_children = handle and vim.loop.fs_scandir_next(handle) ~= nil
     open = false
     nodes = {}
-    watcher = watch.create_watcher(link_to)
   end
 
-  return {
+  local node = {
     type = "link",
     absolute_path = absolute_path,
     fs_stat = vim.loop.fs_stat(absolute_path),
@@ -83,8 +88,13 @@ function M.link(parent, absolute_path, name)
     nodes = nodes,
     open = open,
     parent = parent,
-    watcher = watcher,
   }
+
+  if is_dir_link then
+    node.watcher = watch.create_watcher(node)
+  end
+
+  return node
 end
 
 return M