feat: Hook based overrides

lua/core/hooks.lua

@@ -1,4 +1,4 @@
-local hooks, M = {}, {};
+local hooks, overrides, M = {}, {}, {};
 local allowed_hooks = {
   "install_plugins",
   "setup_mappings",
@@ -35,4 +35,35 @@ M.run = function(name, args)
   end
 end
 
+M.createOverrides = function(module)
+  local O = {};
+
+  O.get = function(name, default)
+    local current = default;
+    if overrides[module] and overrides[module][name] then
+      if type(overrides[module][name]) == "function" then
+         current = overrides[module][name]
+      elseif type(overrides[module][name]) == "table" then
+         for _, override in pairs(overrides[module][name]) do
+           current = override(current)
+         end
+      end
+    end
+    return current;
+  end
+
+  return O;
+end
+
+M.override = function(module, name, overwrite)
+  if overrides[module] == nil then
+    overrides[module] = {};
+  end
+  if overrides[module][name] == nil then
+    overrides[module][name] = {};
+  end
+  table.insert(overrides[module][name], overwrite)
+end
+
+
 return M;