gnu: eudev: Add dependency on blkid.

* gnu/packages/linux.scm (eudev)[inputs]: Add UTIL-LINUX.
(eudev-with-blkid): Remove.
* gnu/services/base.scm (udev-service): Use EUDEV instead of
EUDEV-WITH-BLKID.
* gnu/system.scm (%base-packages): Likewise.

gnu/packages/linux.scm

@@ -1562,7 +1562,6 @@ from the module-init-tools project.")
 
 (define-public eudev
   ;; The post-systemd fork, maintained by Gentoo.
-  ;; TODO: Merge with 'eudev-with-blkid' below at an opportune time.
   (package
     (name "eudev")
     (version "3.1.5")
@@ -1581,7 +1580,11 @@ from the module-init-tools project.")
        ("perl" ,perl)
        ("gperf" ,gperf)))
     (inputs
-     `(("kmod" ,kmod)))
+     ;; When linked against libblkid, eudev can populate /dev/disk/by-label
+     ;; and similar; it also installs the '60-persistent-storage.rules' file,
+     ;; which contains the rules to do that.
+     `(("util-linux" ,util-linux)                 ;for blkid
+       ("kmod" ,kmod)))
     (home-page "https://wiki.gentoo.org/wiki/Project:Eudev")
     (synopsis "Userspace device management")
     (description "Udev is a daemon which dynamically creates and removes
@@ -1589,18 +1592,6 @@ device nodes from /dev/, handles hotplug events and loads drivers at boot
 time.")
     (license license:gpl2+)))
 
-(define-public eudev-with-blkid
-  ;; TODO: Merge with 'eudev' above at an opportune time.
-  (package
-    (inherit eudev)
-    (name "eudev-with-blkid")
-    (inputs
-     ;; When linked against libblkid, eudev can populate /dev/disk/by-label
-     ;; and similar; it also installs the '60-persistent-storage.rules' file,
-     ;; which contains the rules to do that.
-     `(("util-linux" ,util-linux)                 ;for blkid
-       ,@(package-inputs eudev)))))
-
 (define-public lvm2
   (package
     (name "lvm2")

gnu/services/base.scm

@@ -29,7 +29,7 @@
   #:use-module (gnu system file-systems)          ; 'file-system', etc.
   #:use-module (gnu packages admin)
   #:use-module ((gnu packages linux)
-                #:select (eudev-with-blkid kbd e2fsprogs lvm2 fuse alsa-utils crda gpm))
+                #:select (eudev kbd e2fsprogs lvm2 fuse alsa-utils crda gpm))
   #:use-module ((gnu packages base)
                 #:select (canonical-package glibc))
   #:use-module (gnu packages package-management)
@@ -1170,7 +1170,7 @@ item of @var{packages}."
                               (udev udev)
                               (rules (append initial-rules rules)))))))))
 
-(define* (udev-service #:key (udev eudev-with-blkid) (rules '()))
+(define* (udev-service #:key (udev eudev) (rules '()))
   "Run @var{udev}, which populates the @file{/dev} directory dynamically.  Get
 extra rules from the packages listed in @var{rules}."
   (service udev-service-type

gnu/system.scm

@@ -374,7 +374,7 @@ explicitly appear in OS."
 
          ;; Get 'insmod' & co. from kmod, not module-init-tools, since udev
          ;; already depends on it anyway.
-         kmod eudev-with-blkid
+         kmod eudev
 
          e2fsprogs kbd