Merge branch 'staging' into 'core-updates'.

Conflicts:

	gnu/local.mk
	gnu/packages/cmake.scm
	gnu/packages/curl.scm
	gnu/packages/gl.scm
	gnu/packages/glib.scm
	gnu/packages/guile.scm
	gnu/packages/node.scm
	gnu/packages/openldap.scm
	gnu/packages/package-management.scm
	gnu/packages/python-xyz.scm
	gnu/packages/python.scm
	gnu/packages/tls.scm
	gnu/packages/vpn.scm
	gnu/packages/xorg.scm

1 files changed, 41 insertions, 0 deletions

diff --git a/gnu/installer/substitutes.scm b/gnu/installer/substitutes.scm
new file mode 100644
index 0000000000..c9a7418f89
--- /dev/null
+++ b/gnu/installer/substitutes.scm
@@ -0,0 +1,41 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu installer substitutes)
+  #:use-module (gnu installer utils)
+  #:use-module (gnu services herd)
+  #:export (enable-discovery
+            disable-discovery))
+
+(define (enable-discovery)
+  (with-silent-shepherd
+    (with-shepherd-action 'guix-daemon
+        ('discover "on")
+        result
+      result)))
+
+(define (disable-discovery)
+  (with-silent-shepherd
+    (with-shepherd-action 'guix-daemon
+        ('discover "off")
+        result
+      result)))
+
+;; Local Variables:
+;; eval: (put 'with-silent-shepherd 'scheme-indent-function 0)
+;; End: