libkookie: emacs: add theme loading and rust mode

infra/libkookie/overlays/kookie/emacs/default.nix

@@ -4,7 +4,7 @@ with (import ./builder.nix args);
 pkgs.emacsWithPackages (epkgs:
   let
     include = path: (import path { inherit buildModule pkgs epkgs; });
-    modules = [ ./base ./move-lines ./theme ];
+    modules = [ ./base ./move-lines ./theme ./rust ];
     kookie-config = bootstrap (map (p: include p) modules);
   in [
     kookie-config
@@ -24,27 +24,27 @@ pkgs.emacsWithPackages (epkgs:
   # python-mode
   # rust-mode
 
-    # color-identifiers-mode
-    # color-theme-sanityinc-tomorrow
-    # company
-    # company-lsp
-    # direnv
-    # fzf
-    # ido-vertical-mode
-    # ledger-mode
-    # lsp-ui
-    # magit
-    # monokai-theme
-    # multiple-cursors
-    # notmuch
-    # org
-    # protobuf-mode
-    # scad-mode
-    # smex
-    # sublimity
-    # treemacs
-    # undo-tree
-    # visual-fill-column
-    # which-key
-    # yasnippet
+  # color-identifiers-mode
+  # color-theme-sanityinc-tomorrow
+  # company
+  # company-lsp
+  # direnv
+  # fzf
+  # ido-vertical-mode
+  # ledger-mode
+  # lsp-ui
+  # magit
+  # monokai-theme
+  # multiple-cursors
+  # notmuch
+  # org
+  # protobuf-mode
+  # scad-mode
+  # smex
+  # sublimity
+  # treemacs
+  # undo-tree
+  # visual-fill-column
+  # which-key
+  # yasnippet
   # ]))

infra/libkookie/overlays/kookie/emacs/init.el

@@ -62,7 +62,7 @@
   (setq message-auto-save-directory backup-dir))
 
 ;; Explicitly enable lsp-mode for certain languages
-(add-hook 'rust-mode-hook #'lsp)
+
 (add-hook 'c-mode-hook #'lsp)
 (add-hook 'c++-mode-hook #'lsp)
 

infra/libkookie/overlays/kookie/emacs/rust/default.el

@@ -0,0 +1,10 @@
+;;;
+
+(provide 'rust)
+
+;; Use rust-analyzer for completions
+(setq lsp-rust-server 'rust-analyzer)
+
+;; Start lsp mode for Rust buffers
+(add-hook 'rust-mode-hook #'lsp)
+

infra/libkookie/overlays/kookie/emacs/rust/default.nix

@@ -0,0 +1,14 @@
+{ buildModule, epkgs, pkgs }:
+
+with epkgs; with pkgs;
+(buildModule "rust" ./. [
+
+  # lsp integration
+  lsp-mode lsp-ui
+
+  # real-time diagnostigs
+  flycheck
+
+  # rust specifics
+  rust-mode rust-analyzer
+])

infra/libkookie/overlays/kookie/emacs/theme/default.el

@@ -1,6 +1,8 @@
 
 (provide 'theme)
 
+(load-theme 'sanityinc-tomorrow-eighties t)
+
 (custom-set-variables
  '(custom-safe-themes
    '("628278136f88aa1a151bb2d6c8a86bf2b7631fbea5f0f76cba2a0079cd910f7d" default))

infra/libkookie/overlays/kookie/emacs/theme/default.nix

@@ -1,6 +1,3 @@
 { buildModule, pkgs, epkgs }:
 with epkgs;
-(buildModule "theme" ./. [
-  color-theme-sanityinc-tomorrow
-  color-identifiers-mode
-])
+(buildModule "theme" ./. [ color-theme-sanityinc-tomorrow ])