feat(#1837): add git.disable_for_dirs (#2239)

* feat(##1837): add git.disabled_dirs

* feat(#1837): add git.disable_for_dirs

* feat(#1837): note disable_for_dirs evaluation

lua/nvim-tree/git/init.lua

@@ -107,7 +107,16 @@ function M.get_project_root(cwd)
     return nil
   end
 
-  M.cwd_to_project_root[cwd] = git_utils.get_toplevel(cwd)
+  local toplevel = git_utils.get_toplevel(cwd)
+  for _, disabled_for_dir in ipairs(M.config.git.disable_for_dirs) do
+    local toplevel_norm = vim.fn.fnamemodify(toplevel, ":p")
+    local disabled_norm = vim.fn.fnamemodify(disabled_for_dir, ":p")
+    if toplevel_norm == disabled_norm then
+      return nil
+    end
+  end
+
+  M.cwd_to_project_root[cwd] = toplevel
   return M.cwd_to_project_root[cwd]
 end
 

lua/nvim-tree/git/utils.lua

@@ -3,6 +3,9 @@ local log = require "nvim-tree.log"
 
 local has_cygpath = vim.fn.executable "cygpath" == 1
 
+--- Retrieve the git toplevel directory
+--- @param cwd string path
+--- @return string|nil toplevel absolute path
 function M.get_toplevel(cwd)
   local profile = log.profile_start("git toplevel %s", cwd)