services: Add 'virtual-terminal'.

Fixes <https://bugs.gnu.org/30505>.
Suggested by Danny Milosavljevic <dannym@scratchpost.org>.

* gnu/services/base.scm (unicode-start): Remove.
(virtual-terminal-service-type): New variable.
(console-font-shepherd-services): Remove 'modules'; remove call to
'unicode-start'.  Add 'virtual-terminal' to 'requirement'.
(mingetty-shepherd-service, kmscon-service-type): Likewise.
(%base-services): Add 'virtual-terminal-service-type'.
* gnu/system/install.scm (%installation-services): Likewise.

1 files changed, 3 insertions, 1 deletions

diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 97f5abe0b6c..920d2152729 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -214,7 +214,9 @@ You have been warned.  Thanks for being so brave.\x1b[0m
     (define bare-bones-os
       (load "examples/bare-bones.tmpl"))
 
-    (list (mingetty-service (mingetty-configuration
+    (list (service virtual-terminal-service-type)
+
+          (mingetty-service (mingetty-configuration
                              (tty "tty1")
                              (auto-login "root")))