Fix elpaca error

emacs/init.el

@@ -6,8 +6,6 @@
 (setq custom-file (locate-user-emacs-file "custom-vars.el"))
 
 ;;; Elpaca package manager
-;; Update this when updating Emacs version
-(defvar elpaca-core-date '(20250814))
 (defvar elpaca-installer-version 0.11)
 (defvar elpaca-directory (expand-file-name "elpaca/" user-emacs-directory))
 (defvar elpaca-builds-directory (expand-file-name "builds/" elpaca-directory))
@@ -65,6 +63,9 @@
 (use-package seq :ensure `(seq :build ,(+elpaca-seq-build-steps)))
 (use-package transient :ensure t)
 
+;; Required for magit, but Elpaca seems unable to find it by default
+(use-package cond-let :ensure (:host github :repo "tarsius/cond-let"))
+
 ;;; OS-specific tweaks
 (defconst ON-LINUX   (eq system-type 'gnu/linux))
 (defconst ON-MAC     (eq system-type 'darwin))