modules: add prefix to plugin builder

lib/types/plugins.nix

@@ -9,18 +9,23 @@
   inherit (lib.types) submodule either package enum str lines attrsOf anything listOf nullOr;
 
   # Get the names of all flake inputs that start with the given prefix.
-  fromInputs = inputs: prefix:
+  fromInputs = {
+    inputs,
+    prefix,
+  }:
     mapAttrs' (n: v: nameValuePair (removePrefix prefix n) {src = v;}) (filterAttrs (n: _: hasPrefix prefix n) inputs);
 
-  pluginsFromInputs = attrNames (fromInputs inputs "plugin-");
-
   #  Get the names of all flake inputs that start with the given prefix.
+  pluginInputNames = attrNames (fromInputs {
+    inherit inputs;
+    prefix = "plugin-";
+  });
 
   # You can either use the name of the plugin or a package.
   pluginType = nullOr (
     either
     package
-    (enum (pluginsFromInputs ++ ["nvim-treesitter" "flutter-tools-patched" "vim-repeat"]))
+    (enum (pluginInputNames ++ ["nvim-treesitter" "flutter-tools-patched" "vim-repeat"]))
   );
 
   pluginsType = listOf pluginType;
@@ -47,7 +52,7 @@
     };
   };
 in {
-  inherit extraPluginType;
+  inherit extraPluginType fromInputs;
 
   pluginsOpt = {
     description,

modules/default.nix

@@ -10,6 +10,7 @@ inputs: {
   inherit (pkgs.vimUtils) buildVimPlugin;
   inherit (pkgs.neovimUtils) makeNeovimConfig;
   inherit (lib.attrsets) recursiveUpdate;
+  inherit (lib.asserts) assertMsg;
 
   extendedLib = import ../lib/stdlib-extended.nix lib inputs;
 
@@ -28,11 +29,11 @@ inputs: {
   extraLuaPackages = ps: map (x: ps.${x}) vimOptions.luaPackages;
 
   buildPlug = {pname, ...} @ args:
-    assert lib.asserts.assertMsg (pname != "nvim-treesitter") "Use buildTreesitterPlug for building nvim-treesitter.";
+    assert assertMsg (pname != "nvim-treesitter") "Use buildTreesitterPlug for building nvim-treesitter.";
       buildVimPlugin (args
         // {
           version = "master";
-          src = getAttr pname inputs;
+          src = getAttr ("plugin-" + pname) inputs;
         });
 
   buildTreesitterPlug = grammars: vimPlugins.nvim-treesitter.withPlugins (_: grammars);