refacto: make git module interface to wait for job to finish

allows simplify the explore/reload/find/initialization by making the
whole code synchronous. No more callback needed.

lua/nvim-tree/actions/create-file.lua

@@ -102,9 +102,8 @@ function M.fn(node)
     a.nvim_out_write(file..' was properly created\n')
   end
   events._dispatch_folder_created(file)
-  require'nvim-tree.actions.reloaders'.reload_explorer(function()
-    focus_file(file)
-  end)
+  require'nvim-tree.actions.reloaders'.reload_explorer()
+  focus_file(file)
 end
 
 return M

lua/nvim-tree/actions/find-file.lua

@@ -1,7 +1,5 @@
 local view = require'nvim-tree.view'
 local utils = require'nvim-tree.utils'
-local explorer_module = require"nvim-tree.explorer"
-local git = require"nvim-tree.git"
 local renderer = require"nvim-tree.renderer"
 
 local M = {}
@@ -36,15 +34,7 @@ function M.fn(fname)
         if not node.open then
           node.open = true
           tree_altered = true
-        end
-
-        if #node.nodes == 0 then
-          local git_finished = false
-          git.load_project_status(node.absolute_path, function(status)
-            explorer_module.explore(node, status)
-            git_finished = true
-          end)
-          while not vim.wait(10, function() return git_finished end, 10) do end
+          TreeExplorer:expand(node)
         end
 
         if iterate_nodes(node.nodes) ~= nil then

lua/nvim-tree/actions/reloaders.lua

@@ -33,23 +33,19 @@ function M.reload_node_status(parent_node, projects)
 end
 
 local event_running = false
-function M.reload_explorer(callback)
+function M.reload_explorer()
   if event_running or not TreeExplorer or not TreeExplorer.cwd or vim.v.exiting ~= vim.NIL then
     return
   end
   event_running = true
 
-  git.reload(function(projects)
-    refresh_nodes(TreeExplorer, projects)
-    if view.is_visible() then
-      renderer.draw()
-      if callback and type(callback) == 'function' then
-        callback()
-      end
-    end
-    diagnostics.update()
-    event_running = false
-  end)
+  local projects = git.reload()
+  refresh_nodes(TreeExplorer, projects)
+  if view.is_visible() then
+    renderer.draw()
+  end
+  diagnostics.update()
+  event_running = false
 end
 
 function M.reload_git()
@@ -58,11 +54,10 @@ function M.reload_git()
   end
   event_running = true
 
-  git.reload(function(projects)
-    M.reload_node_status(TreeExplorer, projects)
-    renderer.draw()
-    event_running = false
-  end)
+  local projects = git.reload()
+  M.reload_node_status(TreeExplorer, projects)
+  renderer.draw()
+  event_running = false
 end
 
 return M