guix-packages/ambrevar/system/laptop-mimimi: Crypt root partition

.guix-packages/ambrevar/system/laptop-mimimi.scm

@@ -47,4 +47,27 @@
 
 (operating-system
   (inherit default-operating-system)
-  (kernel linux-xiaomi-air-13))
+  (kernel linux-xiaomi-air-13)
+
+  ;; The UUID is that returned by 'cryptsetup luksUUID'.
+  (mapped-devices
+   (list (mapped-device
+          (source (uuid "b29cb68b-b154-4228-a131-34e9c474b0bd"))
+          (target "guix")
+          (type luks-device-mapping))))
+
+  (file-systems (cons* (file-system
+                         (device (file-system-label "guix"))
+                         (mount-point "/")
+                         (type "ext4")
+                         (dependencies mapped-devices))
+                       (file-system
+                         (device (uuid "4E30-891F" 'fat))
+                         (mount-point "/boot/efi")
+                         (type "vfat"))
+                       (file-system
+                         (mount-point "/tmp")
+                         (device "none")
+                         (type "tmpfs")
+                         (check? #f))
+                       %base-file-systems)))