From: Sergei Trofimovich <slyfox@gentoo.org>
Date: Sun, 13 Oct 2019 11:56:57 +0000 (+0100)
Subject: sys-apps/nix: add check for USER_NS
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e1e6791f142d200b9f4fd79ea1574479a50fc954;p=gentoo.git

sys-apps/nix: add check for USER_NS

nix-daemon uses user namespaces to build derivations
(includeing nix-channel --update).

The error is obwerved and reported by RuZzz.

Package-Manager: Portage-2.3.76, Repoman-2.3.17
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
---

diff --git a/sys-apps/nix/nix-2.3.1.ebuild b/sys-apps/nix/nix-2.3.1.ebuild
index bbfe27eb9763..df8590b23b50 100644
--- a/sys-apps/nix/nix-2.3.1.ebuild
+++ b/sys-apps/nix/nix-2.3.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-inherit autotools flag-o-matic readme.gentoo-r1 user
+inherit autotools flag-o-matic linux-info readme.gentoo-r1 user
 
 DESCRIPTION="A purely functional package manager"
 HOMEPAGE="https://nixos.org/nix"
@@ -65,6 +65,13 @@ Next steps:
 	nix package manager user manual: http://nixos.org/nix/manual/
 "
 
+pkg_pretend() {
+	# USER_NS is used to run builders in a default setting in linux:
+	#     https://nixos.wiki/wiki/Nix#Sandboxing
+	local CONFIG_CHECK="~USER_NS"
+	check_extra_config
+}
+
 pkg_setup() {
 	enewgroup nixbld
 	for i in {1..10}; do