Nix daemon + update

guix-config/channels-lock.scm

@@ -3,7 +3,7 @@
         (url "https://git.guix.gnu.org/guix.git")
         (branch "master")
         (commit
-          "21ce6b392ace4c4d22543abc41bd7c22596cd6d2")
+          "7d983d2cd7226166ac03b1f62ba6dac90f576e3e")
         (introduction
           (make-channel-introduction
             "9edb3f66fd807b096b48283debdcddccfea34bad"

guix-config/system/base-system.scm

@@ -6,7 +6,7 @@
   #:use-module (guix)
   #:export (base-system))
 
-(use-service-modules cups desktop networking ssh xorg pm)
+(use-service-modules cups desktop networking ssh xorg pm nix)
 
 (define %my-desktop-services
   (modify-services %desktop-services
@@ -75,6 +75,9 @@
 			    (list cups-filters epson-inkjet-printer-escpr hplip-minimal))))
 		 (service bluetooth-service-type)
 		 (service power-profiles-daemon-service-type)
+		 (service nix-service-type
+			  (nix-configuration
+			   (extra-config (list "experimental-features = nix-command flakes"))))
 		 (simple-service 'my-polkit-wheel polkit-service-type (list my-polkit-wheel)))
            %my-desktop-services))
   (bootloader (bootloader-configuration