feat(plugin): support running all init functions

lua/lazy/core/loader.lua

@@ -111,9 +111,7 @@ function M.startup()
   for _, plugin in pairs(Config.plugins) do
     if plugin.init then
       Util.track({ plugin = plugin.name, init = "init" })
-      Util.try(function()
-        plugin.init(plugin)
-      end, "Failed to run `init` for **" .. plugin.name .. "**")
+      M.init(plugin)
       Util.track()
     end
   end
@@ -157,6 +155,16 @@ function M.startup()
   Util.track()
 end
 
+---@param plugin LazyPlugin
+function M.init(plugin)
+  Util.try(function()
+    local inits = Plugin.super_functions(plugin, "init")
+    for _, init in ipairs(inits) do
+      init(plugin)
+    end
+  end, "Failed to run `init` for **" .. plugin.name .. "**")
+end
+
 function M.get_start_plugins()
   ---@type LazyPlugin[]
   local start = {}
@@ -264,9 +272,7 @@ function M.reload(plugin)
 
   -- run init
   if plugin.init then
-    Util.try(function()
-      plugin.init(plugin)
-    end, "Failed to run `init` for **" .. plugin.name .. "**")
+    M.init(plugin)
   end
 
   -- if this is a start plugin, load it now

lua/lazy/core/plugin.lua

@@ -478,4 +478,22 @@ function M._values(root, plugin, prop, is_list)
   end
 end
 
+-- Collects super values associated with a property that are functions
+-- Used for init key
+---@param plugin LazyPlugin
+---@param prop string
+---@return fun(self: LazyPlugin)[]
+function M.super_functions(plugin, prop)
+  if not plugin[prop] then
+    return {}
+  end
+  local super = getmetatable(plugin)
+  local result = super and M.super_functions(super.__index, prop) or {}
+  local value = rawget(plugin, prop)
+  if type(value) == "function" then
+    table.insert(result, value)
+  end
+  return result
+end
+
 return M