gnu: Define '%base-services'.

* gnu/services/base.scm (%base-services): New variable.
* gnu/system.scm (<operating-system>)[services]: Change the default
  value to %BASE-SERVICES.
* doc/guix.texi (Using the Configuration System): Change
  '%standard-services' to '%base-services'.

3 files changed, 21 insertions, 23 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index 9a0deeac59..34f6810f34 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2562,7 +2562,7 @@ Linux-Libre kernel, initial RAM disk, and boot loader looks like this:
 
 @findex operating-system
 @lisp
-(use-modules (gnu services base)
+(use-modules (gnu services base)   ; for '%base-services'
              (gnu services ssh)    ; for 'lsh-service'
              (gnu system shadow)   ; for 'user-account'
              (gnu packages base)   ; Coreutils, grep, etc.
@@ -2591,7 +2591,7 @@ Linux-Libre kernel, initial RAM disk, and boot loader looks like this:
                    procps psmisc
                    zile less))
    (services (cons (lsh-service #:port 2222 #:allow-root-login? #t)
-                   %standard-services))))
+                   %base-services))))
 @end lisp
 
 This example should be self-describing.  The @code{packages} field lists
@@ -2601,8 +2601,9 @@ visible on the system, for all user accounts---i.e., in every user's
 @code{PATH} environment variable---in addition to the per-user profiles
 (@pxref{Invoking guix package}).
 
+@vindex %base-services
 The @code{services} field lists @dfn{system services} to be made
-available when the system starts.  The @var{%standard-services} list,
+available when the system starts.  The @var{%base-services} list,
 from the @code{(gnu services base)} module, provides the basic services one
 would expect from a GNU system: a login service (mingetty) on each tty,
 syslogd, libc's name service cache daemon (nscd), etc.
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index 3d684a5bec..d6c1707c6a 100644
--- a/gnu/services/base.scm
+++ b/gnu/services/base.scm
@@ -32,7 +32,8 @@
             mingetty-service
             nscd-service
             syslog-service
-            guix-service))
+            guix-service
+            %base-services))
 
 ;;; Commentary:
 ;;;
@@ -173,4 +174,18 @@ BUILD-ACCOUNTS user accounts available under BUILD-USER-GID."
                                  (members (map user-account-name
                                                user-accounts)))))))))
 
+(define %base-services
+  ;; Convenience variable holding the basic services.
+  (let ((motd (text-file "motd" "
+This is the GNU operating system, welcome!\n\n")))
+    (list (mingetty-service "tty1" #:motd motd)
+          (mingetty-service "tty2" #:motd motd)
+          (mingetty-service "tty3" #:motd motd)
+          (mingetty-service "tty4" #:motd motd)
+          (mingetty-service "tty5" #:motd motd)
+          (mingetty-service "tty6" #:motd motd)
+          (syslog-service)
+          (guix-service)
+          (nscd-service))))
+
 ;;; base.scm ends here
diff --git a/gnu/system.scm b/gnu/system.scm
index f05b7a092a..e6346106a2 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -29,8 +29,6 @@
   #:use-module (gnu services)
   #:use-module (gnu services dmd)
   #:use-module (gnu services base)
-  #:use-module ((gnu services networking)
-                #:select (static-networking-service))
   #:use-module (gnu system grub)
   #:use-module (gnu system shadow)
   #:use-module (gnu system linux)
@@ -107,23 +105,7 @@
   (locale   operating-system-locale)              ; string
 
   (services operating-system-services             ; list of monadic services
-            (default
-              (let ((motd (text-file "motd" "
-This is the GNU operating system, welcome!\n\n")))
-                (list (mingetty-service "tty1" #:motd motd)
-                      (mingetty-service "tty2" #:motd motd)
-                      (mingetty-service "tty3" #:motd motd)
-                      (mingetty-service "tty4" #:motd motd)
-                      (mingetty-service "tty5" #:motd motd)
-                      (mingetty-service "tty6" #:motd motd)
-                      (syslog-service)
-                      (guix-service)
-                      (nscd-service)
-
-                      ;; QEMU networking settings.
-                      (static-networking-service "eth0" "10.0.2.10"
-                                                 #:name-servers '("10.0.2.3")
-                                                 #:gateway "10.0.2.2"))))))
+            (default %base-services)))