From 25fbe4af0a468fb23a53190fc590031928b54948 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andreas=20K=2E=20H=C3=BCttel?= <dilfridge@gentoo.org>
Date: Sat, 18 Nov 2017 19:17:01 +0100
Subject: [PATCH] sys-libs/glibc: Forward-port safety checks to 9999

Commits
5d8d827255a5f831247dc838879c4582b46210c4
66b10cf352d69a96824cba2c2a2bdea8e8094d7b

Package-Manager: Portage-2.3.14, Repoman-2.3.6
---
 sys-libs/glibc/glibc-9999.ebuild | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sys-libs/glibc/glibc-9999.ebuild b/sys-libs/glibc/glibc-9999.ebuild
index 25412dcedbb8..2be9e1d411d4 100644
--- a/sys-libs/glibc/glibc-9999.ebuild
+++ b/sys-libs/glibc/glibc-9999.ebuild
@@ -196,6 +196,21 @@ pkg_pretend() {
 			die "old __guard detected"
 		fi
 	fi
+
+	# Check for sanity of /etc/nsswitch.conf
+	if [[ -e ${EROOT}/etc/nsswitch.conf ]] ; then
+		local entry
+		for entry in passwd group shadow; do
+			if ! egrep -q "^[ \t]*${entry}:.*files" "${EROOT}"/etc/nsswitch.conf; then
+				eerror "Your ${EROOT}/etc/nsswitch.conf is out of date."
+				eerror "Please make sure you have 'files' entries for"
+				eerror "'passwd:', 'group:' and 'shadow:' databases."
+				eerror "For more details see:"
+				eerror "  https://wiki.gentoo.org/wiki/Project:Toolchain/nsswitch.conf_in_glibc-2.26"
+				die "nsswitch.conf has no 'files' provider in '${entry}'."
+			fi
+		done
+	fi
 }
 # todo: shouldn't most of these checks be called also in src_configure again?
 # (since consistency is not guaranteed between pkg_ and src_)
-- 
2.26.2