feat(checker): only report an update once and do a fast update check after each manage operation

lua/lazy/core/config.lua

@@ -54,7 +54,7 @@ M.defaults = {
   checker = {
     -- lazy can automatically check for updates
     enabled = false,
-    concurrency = 10, -- set to 1 to very slowly check for updates
+    concurrency = nil, ---@type number? set to 1 to very slowly check for updates
     notify = true, -- get a notification if new updates are found
     frequency = 3600, -- every hour
   },

lua/lazy/manage/checker.lua

@@ -7,6 +7,7 @@ local M = {}
 
 M.running = false
 M.updated = {}
+M.reported = {}
 
 function M.start()
   M.fast_check()
@@ -15,6 +16,7 @@ end
 
 function M.fast_check()
   for _, plugin in pairs(Config.plugins) do
+    plugin._.has_updates = nil
     local info = Git.info(plugin.dir)
     local target = Git.get_target(plugin)
     if info and target and info.commit ~= target.commit then
@@ -36,10 +38,14 @@ end
 
 function M.report()
   local lines = {}
+  M.updated = {}
   for _, plugin in pairs(Config.plugins) do
-    if plugin._.has_updates and not vim.tbl_contains(M.updated, plugin.name) then
+    if plugin._.has_updates then
-      table.insert(lines, "- **" .. plugin.name .. "**")
       table.insert(M.updated, plugin.name)
+      if not vim.tbl_contains(M.reported, plugin.name) then
+        table.insert(lines, "- **" .. plugin.name .. "**")
+        table.insert(M.reported, plugin.name)
+      end
     end
   end
   if #lines > 0 and Config.options.checker.notify then

lua/lazy/manage/init.lua

@@ -43,6 +43,7 @@ function M.run(ropts, opts)
   runner:wait(function()
     vim.cmd([[do User LazyRender]])
     Plugin.update_state()
+    require("lazy.manage.checker").fast_check()
   end)
 
   if opts.wait then