Faster emacs startup

modules/base/emacs/base-init.el

@@ -13,6 +13,7 @@
 (use-package diminish)
 ;; For :general in (use-package). Keybinding management framework.
 (use-package general
+  :after evil
   :config
   (general-evil-setup t)
 
@@ -20,7 +21,7 @@
   (general-create-definer lmap
     :states '(normal visual insert emacs motion)
     :prefix "SPC"
-    :non-normal-prefix "C-SPC"
+    :global-prefix "C-SPC"
     )
 
   (lmap
@@ -56,6 +57,22 @@
     )
   )
 
+;; Vim keybindings
+(use-package evil
+  :custom
+  (evil-want-keybinding nil "Disable default evil keybindings, since
+    evil-collection is a superset. See
+    https://github.com/emacs-evil/evil-collection/issues/60.")
+  (evil-want-integration t "Also needed for evil-collection")
+  :config (evil-mode 1)
+  )
+
+;; Vim keybindings in other packages
+(use-package evil-collection
+  :after (evil)
+  :config (evil-collection-init)
+  )
+
 ;; Better defaults that aren't defaults for some reason.
 (use-package better-defaults
   ;; But don't enable ido-mode...
@@ -65,18 +82,18 @@
 ;; Autocomplete
 (use-package company
   :diminish (company-mode)
+  :defer t
   :config (global-company-mode)
   )
 
 ;; Prescient in company
 (use-package company-prescient
+  :after (company prescient)
   :config (company-prescient-mode 1)
   )
 
 ;; Replacements for emacs built-ins that better integrate with `selectrum'.
 (use-package consult
-  :demand t
-  :custom (consult-project-root-function #'projectile-project-root "Use projectile to determine project roots.")
   :general
   (lmap
     "bb"  '(consult-buffer :which-key "switch")
@@ -89,6 +106,7 @@
 ;; General emacs settings
 (use-package emacs
   :ensure nil ;; Not a real package, but a place to collect global settings
+  :demand t
   :hook
   ;; Always display line numbers for text-based modes
   ((text-mode prog-mode) . display-line-numbers-mode)
@@ -97,7 +115,7 @@
   ;; major modes.
   ((text-mode prog-mode) . electric-pair-mode)
   :custom
-  (create-lockfiles nil "I'm the only user on my devices, so don't clutter with lockfiles")
+  (create-lockfiles nil "I'm the only user on my devices and use emacs as a daemon, so don't clutter with lockfiles")
   (inhibit-startup-screen t "Don't show default startup screen")
   :config
   ;; Only ask for y/n, never for yes/no.
@@ -124,31 +142,16 @@
   (column-number-mode)
   )
 
-;; Vim keybindings
-(use-package evil
-  :custom
-  (evil-want-keybinding nil "Disable default evil keybindings, since
-    evil-collection is a superset. See
-    https://github.com/emacs-evil/evil-collection/issues/60.")
-  (evil-want-integration t "Also needed for evil-collection")
-  :config (evil-mode 1)
-  )
-
-;; Vim keybindings in other packages
-(use-package evil-collection
-  :after (evil)
-  :config (evil-collection-init)
-  )
-
 ;; Linting
 (use-package flycheck
+  :defer t
   :diminish (flycheck-mode)
   :config (global-flycheck-mode)
   )
 
 ;; Annotations in selection interface
 (use-package marginalia
-  :demand t
+  :after (selectrum)
   :custom
   (marginalia-annotators '(marginalia-annotators-heavy marginalia-annotators-light nil))
   :config
@@ -174,7 +177,9 @@
 (use-package no-littering
   :custom
   (user-emacs-directory (expand-file-name "~/.cache/emacs/") "Don't put files into .emacs.d")
-  (url-history-file (expand-file-name "url/history" user-emacs-directory) "Same for url-history file")
+  :config
+  ;; Also make sure auto-save files are saved out-of-tree
+  (setq auto-save-file-name-transforms `((".*" ,(no-littering-expand-var-file-name "auto-save/") t)))
   )
 
 ;; Orderless filtering
@@ -210,6 +215,7 @@
 
 ;; Prescient integration in selectrum
 (use-package selectrum-prescient
+  :after (selectrum prescient)
   :custom (selectrum-prescient-enable-filtering nil "`orderless' manages the filtering part.")
   :config (selectrum-prescient-mode 1))
 

modules/base/emacs/default.nix

@@ -16,7 +16,7 @@
       readOnly = true;
       default = pkgs.emacsWithPackagesFromUsePackage {
         config = config.chvp.base.emacs.fullConfig;
-        package = pkgs.emacsPgtk;
+        package = pkgs.emacsPgtkGcc;
         alwaysEnsure = true;
         # mu4e is included in the mu package and should be used from there
         extraEmacsPackages = epkgs: lib.optional config.chvp.graphical.mail.enable pkgs.mu;

modules/base/nix/default.nix

@@ -62,11 +62,16 @@ in
       emacs.extraConfig = [
         ''
           ;; Nix syntax support
-          (use-package nix-mode :mode "\\.nix\\'")
+          (use-package nix-mode
+            :mode "\\.nix\\'"
+            )
         ''
       ] ++ lib.optional config.chvp.base.nix.enableDirenv ''
         ;; Direnv integration in emacs.
-        (use-package direnv :config (direnv-mode))
+        (use-package direnv
+          :defer t
+          :config (direnv-mode)
+          )
       '';
       zfs = {
         homeLinks =

modules/development/default.nix

@@ -18,13 +18,17 @@
         ''
           ;; Editorconfig
           (use-package editorconfig
+            :defer t
             :diminish (editorconfig-mode)
             :custom (editorconfig-get-properties-function 'editorconfig-get-properties)
             :config (editorconfig-mode 1)
             )
           
           ;; Language server support
-          (use-package lsp-mode :commands (lsp))
+          (use-package lsp-mode
+            :commands (lsp lsp-deferred)
+            :config (lsp-enable-which-key-integration t)
+            )
           
           ;; Markdown syntax support
           (use-package markdown-mode
@@ -41,38 +45,50 @@
             )
 
           ;; R language support
-          (use-package ess)
+          (use-package ess
+            :mode "\\.r\\'"
+            :mode "\\.R\\'"
+            )
 
           ;; Haskell language support
           (use-package haskell-mode
-           :mode "\\.hs\\'")
+            :mode "\\.hs\\'"
+            )
 
           ;; Python syntax support
-          (use-package python-mode :mode "\\.py\\'")
+          (use-package python-mode
+            :mode "\\.py\\'"
+            )
           
           ;; Ruby language support
           (use-package ruby-mode
            :ensure nil ;; Included with emacs
+           :mode "\\.\\(?:cap\\|gemspec\\|irbrc\\|gemrc\\|rake\\|rb\\|ru\\|thor\\)\\'"
+           :mode "\\(?:Brewfile\\|Capfile\\|Gemfile\\(?:\\.[a-zA-Z0-9._-]+\\)?\\|[rR]akefile\\)\\'"
            :custom
            (ruby-insert-encoding-magic-comment nil "Don't insert encoding magic comment")
            )
 
           ;; Rust language support
-          (use-package rust-mode :mode "\\.rs\\'")
+          (use-package rust-mode
+            :mode "\\.rs\\'"
+            )
 
           ;; TypeScript language support
           (use-package typescript-mode
-           :mode "\\.ts\\'")
+            :mode "\\.ts\\'"
+            )
 
           ;; Vue language support
           (use-package vue-mode
-           :mode "\\.vue\\'")
+            :mode "\\.vue\\'"
+            )
           
           ;; HTML (and HTML template) support
           (use-package web-mode
-           :mode "\\.html\\'"
-           :mode "\\.html\\.erb\\'"
-           )
+            :mode "\\.html\\'"
+            :mode "\\.html\\.erb\\'"
+            )
         ''
       ];
       development = {

modules/development/git/default.nix

@@ -56,7 +56,6 @@
 
           ;; Git integration
           (use-package magit
-            :demand t
             :general
             (lmap
               "g" '(:ignore t :which-key "git")
@@ -66,8 +65,8 @@
 
           ;; Project management
           (use-package projectile
-            :after (ripgrep selectrum)
-            :demand t
+            :commands (projectile-project-root)
+            :custom (consult-project-root-function #'projectile-project-root "Use projectile to determine project roots.")
             :diminish (projectile-mode)
             :config (projectile-mode 1)
             :general
@@ -84,7 +83,9 @@
             )
 
           ;; Ripgrep support (needed for `projectile-ripgrep')
-          (use-package ripgrep)
+          (use-package ripgrep
+            :after (projectile)
+            )
         ''
       ];
       home-manager.users.charlotte = { ... }: base;

modules/graphical/mail/default.nix

@@ -113,7 +113,7 @@ in
               (use-package mu4e
                 ;; Use mu4e included in the mu package, see emacs.nix
                 :ensure nil
-                :demand t
+                :commands (mu4e mu4e-update-index)
                 :after (selectrum)
                 :hook
                 (mu4e-view-mode . display-line-numbers-mode)

modules/graphical/pass/default.nix

@@ -17,6 +17,7 @@
       ''
         (use-package auth-source-pass
          :ensure nil
+         :defer t
          :custom
          (auth-sources '(password-store))
          (auth-source-pass-filename "${config.home-manager.users.charlotte.programs.password-store.settings.PASSWORD_STORE_DIR}")