Vendor emacs

packages/emacs/default.nix

@@ -0,0 +1,35 @@
+{
+  lib,
+  inputs,
+  pkgs,
+  ...
+}:
+let
+  pkgs' = pkgs.extend (
+    lib.composeManyExtensions [
+      inputs.emacs-overlay.overlays.package
+      inputs.emacs-overlay.overlays.emacs
+    ]
+  );
+  all-grammars = pkgs'.tree-sitter.withPlugins builtins.attrValues;
+  treesitGrammars = pkgs'.runCommand "treesit-grammars" { } ''
+    mkdir $out
+    for f in ${all-grammars}/*
+    do
+      cp $f $out/"libtree-sitter-$(basename $f)"
+    done
+  '';
+  emacsWithoutPackages = pkgs'.emacs-git.override {
+    withSQLite3 = true;
+    withWebP = true;
+    withPgtk = true;
+  };
+  emacs = (pkgs'.emacsPackagesFor emacsWithoutPackages).emacsWithPackages (
+    import ./packages.nix pkgs'
+  );
+in
+emacs.overrideAttrs {
+  passthru = {
+    inherit treesitGrammars;
+  };
+}