feat: run userconfig before init.lua and allow spec loading

Author: SystematicError

.luarc.json

@@ -4,7 +4,7 @@
   },
 
   "diagnostics": {
-    "globals": ["vim", "Snacks", "FROSTY_PACKAGES", "FROSTY_RUNTIMEPATHS"]
+    "globals": ["vim", "Snacks", "FROSTY_USERCONFIG", "FROSTY_PACKAGES", "FROSTY_RUNTIMEPATHS"]
   }
 }
 

flake.nix

@@ -69,12 +69,12 @@
             ${lib.optionalString includeBlinkLib ''package.cpath = package.cpath .. ";${pkgs.vimPlugins.blink-cmp.blink-fuzzy-lib}/lib/lib?.so"''}
             FROSTY_PACKAGES="${packageList}"
             FROSTY_RUNTIMEPATHS={"${./.}", "${builtins.concatStringsSep "," treesitterParsers}"}
-            dofile("${./.}/init.lua")
             ${lib.optionalString allowUserConfigEnvVar ''
               local stat = vim.uv.fs_stat(vim.env.FROSTY_USERCONFIG or "")
               if stat and stat.type == "file" then
-                dofile(vim.env.FROSTY_USERCONFIG)
+                FROSTY_USERCONFIG = dofile(vim.env.FROSTY_USERCONFIG)
               end''}
+            dofile("${./.}/init.lua")
           '';
         }))
         .overrideAttrs (old: {

init.lua

@@ -41,6 +41,7 @@ require("lazy").setup {
     spec = {
         { import = "plugins" },
         { import = "languages" },
+        FROSTY_USERCONFIG,
     },
 
     defaults = {