Fix magit

thoom-emacs/modules/thoom-elpaca.el

@@ -42,3 +42,18 @@
 (elpaca elpaca-use-package
         (elpaca-use-package-mode))
 (elpaca-wait)
+
+;; Magit depends on newer versions of seq/transient than Emacs bundles, but Elpaca
+;; can't or won't update them on its own.
+(defun +elpaca-unload-seq (e)
+  (and (featurep 'seq) (unload-feature 'seq t))
+  (elpaca--continue-build e))
+
+(defun +elpaca-seq-build-steps ()
+  (append (butlast (if (file-exists-p (expand-file-name "seq" elpaca-builds-directory))
+                       elpaca--pre-built-steps elpaca-build-steps))
+          (list '+elpaca-unload-seq 'elpaca--activate-package)))
+
+(use-package seq :ensure `(seq :build ,(+elpaca-seq-build-steps)))
+(use-package transient :ensure t)
+(elpaca-wait)