#1217 show git status for link targets, when no status on the link itself (#1263)

lua/nvim-tree/explorer/common.lua

@@ -2,8 +2,39 @@ local uv = vim.loop
 
 local M = {}
 
+local function get_dir_git_status(parent_ignored, status, absolute_path)
+  if parent_ignored then
+    return "!!"
+  end
+  local dir_status = status.dirs and status.dirs[absolute_path]
+  local file_status = status.files and status.files[absolute_path]
+  return dir_status or file_status
+end
+
+local function get_git_status(parent_ignored, status, absolute_path)
+  return parent_ignored and "!!" or status.files and status.files[absolute_path]
+end
+
 function M.has_one_child_folder(node)
   return #node.nodes == 1 and node.nodes[1].nodes and uv.fs_access(node.nodes[1].absolute_path, "R")
 end
 
+function M.update_git_status(node, parent_ignored, status)
+  -- status of the node's absolute path
+  if node.nodes then
+    node.git_status = get_dir_git_status(parent_ignored, status, node.absolute_path)
+  else
+    node.git_status = get_git_status(parent_ignored, status, node.absolute_path)
+  end
+
+  -- status of the link target, if the link itself is not dirty
+  if node.link_to and not node.git_status then
+    if node.nodes then
+      node.git_status = get_dir_git_status(parent_ignored, status, node.link_to)
+    else
+      node.git_status = get_git_status(parent_ignored, status, node.link_to)
+    end
+  end
+end
+
 return M