feat: luarocks support

lua/lazy/core/config.lua

@@ -31,6 +31,9 @@ M.defaults = {
     -- increase downloads a lot.
     filter = true,
   },
+  rocks = {
+    root = vim.fn.stdpath("data") .. "/lazy-rocks",
+  },
   dev = {
     ---@type string | fun(plugin: LazyPlugin): string directory where you store your local plugin projects
     path = "~/projects",
@@ -212,6 +215,9 @@ M.mapleader = nil
 ---@type string
 M.maplocalleader = nil
 
+---@type {specs:string, tree:string, path:string, cpath:string}
+M.rocks = {}
+
 function M.headless()
   return #vim.api.nvim_list_uis() == 0
 end
@@ -262,6 +268,17 @@ function M.setup(opts)
   M.mapleader = vim.g.mapleader
   M.maplocalleader = vim.g.maplocalleader
 
+  M.rocks = {
+    specs = M.options.rocks.root .. "/specs",
+    tree = M.options.rocks.root .. "/tree",
+    path = M.options.rocks.root .. "/tree/share/lua/5.1",
+    cpath = M.options.rocks.root .. "/tree/lib/lua/5.1",
+  }
+  vim.fn.mkdir(M.rocks.specs, "p")
+  vim.fn.mkdir(M.rocks.tree, "p")
+  package.path = package.path .. ";" .. M.rocks.path .. "/?.lua;" .. M.rocks.path .. "/?/init.lua;"
+  package.cpath = package.cpath .. ";" .. M.rocks.cpath .. "/?." .. (jit.os:find("Windows") and "dll" or "so") .. ";"
+
   if M.headless() then
     require("lazy.view.commands").setup()
   end

lua/lazy/core/loader.lua

@@ -44,6 +44,7 @@ function M.setup()
     while M.install_missing() do
       count = count + 1
       if count > 5 then
+        Util.error("Too many rounds of missing plugins")
         break
       end
     end
@@ -66,7 +67,11 @@ end
 -- multiple rounds can happen when importing a spec from a missing plugin
 function M.install_missing()
   for _, plugin in pairs(Config.plugins) do
-    if not (plugin._.installed or Plugin.has_errors(plugin)) then
+    local installed = plugin._.installed
+    local has_errors = Plugin.has_errors(plugin)
+    local rocks_installed = plugin._.rocks_installed ~= false
+
+    if not has_errors and not (installed and rocks_installed) then
       for _, colorscheme in ipairs(Config.options.install.colorscheme) do
         if colorscheme == "default" then
           break

lua/lazy/core/plugin.lua

@@ -570,6 +570,8 @@ function M.update_state()
     installed[name] = nil
   end
 
+  require("lazy.manage.rocks").update_state()
+
   Config.to_clean = {}
   for pack, dir_type in pairs(installed) do
     table.insert(Config.to_clean, {