services: dnsmasq: Add shepherd-provision and shepherd-requirement fields.

* gnu/services/dns.scm (<dnsmasq-configuration>)[provision]: Mark
filed as deprecated with a warning.  Set default to #f.
[shepherd-provision]: Add new field for consistency with other services.
[shepherd-requirement]: Add new field.
(dnsmasq-shepherd-service): Use them.
* doc/guix.texi: Document these changes.
* doc/guix-cookbook.texi (Custom NAT-based network for libvirt): Update
example to use 'shepherd-provision' instead of 'provision'.

Change-Id: Icad4d9c4be5bf58368e8c416f1fdde1f9065557d
Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi
index fb58866d404..3ebe661a078 100644
--- a/doc/guix-cookbook.texi
+++ b/doc/guix-cookbook.texi
@@ -4018,8 +4018,8 @@ guests connected to this virtual network switch:
 (service dnsmasq-service-type
          (dnsmasq-configuration
           ;; You can have multiple instances of `dnsmasq-service-type` as long
-          ;; as each one has a different provision.
-          (provision '(dnsmasq-virbr0))
+          ;; as each one has a different shepherd-provision.
+          (shepherd-provision '(dnsmasq-virbr0))
           (extra-options (list
                           ;; Only bind to the virtual bridge. This
                           ;; avoids conflicts with other running