1 files changed, 110 insertions, 0 deletions
diff --git a/users/sterni/emacs/default.nix b/users/sterni/emacs/default.nix
new file mode 100644
index 0000000000..9d057fef63
--- /dev/null
+++ b/users/sterni/emacs/default.nix
@@ -0,0 +1,110 @@
+{ depot, pkgs, lib, ... }:
+
+let
+  inherit (pkgs.stdenv.hostPlatform) is64bit;
+
+  # Wrap chktex(1) with the flags we want because the chktex flycheck checker
+  # ignores tex-chktex-extra-flags and has no other way to set flags. I did
+  # not want to mess around with chktexrc because that seems to involve copying
+  # around a lot of rules (that would need to be updated?).
+  #
+  # Warning 8 is about correct dash length. This is really annoying because it'll
+  # light up everywhere if you use typographically correct dashes in German text.
+  chktexLessWarnings = pkgs.writeShellScript "chktex-less-warnings" ''
+    exec chktex -n8 "$@"
+  '';
+
+  emacs = (pkgs.emacsPackagesFor pkgs.emacs29-pgtk).withPackages (epkgs: [
+    epkgs.bqn-mode
+    #epkgs.elpaPackages.ada-mode
+    epkgs.elpaPackages.rainbow-mode
+    epkgs.elpaPackages.undo-tree
+    epkgs.elpaPackages.which-key
+    epkgs.melpaPackages.adoc-mode
+    epkgs.melpaPackages.cmake-mode
+    epkgs.melpaPackages.deft
+    epkgs.melpaPackages.direnv
+    epkgs.melpaPackages.dockerfile-mode
+    epkgs.melpaPackages.editorconfig
+    epkgs.melpaPackages.elfeed
+    epkgs.melpaPackages.evil
+    epkgs.melpaPackages.evil-collection
+    epkgs.melpaPackages.flycheck
+    epkgs.melpaPackages.haskell-mode
+    epkgs.melpaPackages.hl-todo
+    epkgs.melpaPackages.jq-mode
+    epkgs.melpaPackages.lsp-haskell
+    epkgs.melpaPackages.lsp-mode
+    epkgs.melpaPackages.lsp-ui
+    epkgs.melpaPackages.magit
+    epkgs.melpaPackages.markdown-mode
+    epkgs.melpaPackages.meson-mode
+    epkgs.melpaPackages.nix-mode
+    epkgs.melpaPackages.org-clock-csv
+    epkgs.melpaPackages.paredit
+    epkgs.melpaPackages.rainbow-delimiters
+    epkgs.melpaPackages.sly
+    epkgs.melpaPackages.use-package
+    epkgs.melpaPackages.yaml-mode
+    epkgs.rust-mode
+    epkgs.tvlPackages.tvl
+    epkgs.urweb-mode
+  ] ++ lib.optionals is64bit [
+    epkgs.melpaPackages.languagetool
+  ]);
+
+  configDirectory = pkgs.symlinkJoin {
+    name = "emacs.d";
+    paths = [
+      ./.
+      (pkgs.writeTextFile {
+        name = "injected-emacs.d";
+        destination = "/nix-inject.el";
+        text =
+          # Java doesn't seem to be available for non 64bit platforms in nixpkgs
+          # CBQN doesn't seem to support i686 at least
+          lib.optionalString is64bit ''
+            ;; bqn-mode
+            (setq bqn-interpreter-path "${pkgs.cbqn}/bin/BQN")
+
+            ;; languagetool
+            (setq languagetool-java-bin "${pkgs.jre}/bin/java"
+                  languagetool-console-command "${pkgs.languagetool}/share/languagetool-commandline.jar"
+                  languagetool-server-command "${pkgs.languagetool}/share/languagetool-server.jar")
+          '' + ''
+
+            ;; use bash instead of fish from SHELL for some things, as it plays
+            ;; nicer with TERM=dumb, as I don't need/want vterm anyways.
+            ;; We want it to source /etc/profile for some extra setup that
+            ;; kicks in if TERM=dumb, meaning we can't use dash/sh mode.
+            (setq shell-file-name "${pkgs.bash}/bin/bash"
+                  explicit-bash-args '("-l"))
+
+            ;; chktex wrapper that disables warnings I don't want
+            (setq flycheck-tex-chktex-executable "${chktexLessWarnings}")
+            (setq tex-chktex-program "${chktexLessWarnings}")
+
+            (provide 'nix-inject)
+        '';
+      })
+    ];
+    postBuild = ''
+      rm "$out/default.nix"
+    '';
+  };
+in
+
+# sadly we can't give an init-file via the command line
+(pkgs.writeShellScriptBin "emacs" ''
+  exec ${emacs}/bin/emacs          \
+    --no-init-file                 \
+    --directory ${configDirectory} \
+    --eval "(require 'init)"       \
+    "$@"
+'').overrideAttrs (super: {
+  buildCommand = ''
+    ${super.buildCommand}
+
+    ln -s "${emacs}/bin/emacsclient" "$out/bin/emacsclient"
+  '';
+})