From 7782e0a0eab136b72d6d0cf27aca85e3fe6a8728 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 7 Dec 2018 16:51:39 +0100
Subject: [PATCH] hostnamed: always flush nscd cache when changing hostname

This way we know that nss-myhostname always serves the correct answer.
---
 src/hostname/hostnamed.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
index c1f9e27523..7494cd0c2d 100644
--- a/src/hostname/hostnamed.c
+++ b/src/hostname/hostnamed.c
@@ -18,6 +18,7 @@
 #include "id128-util.h"
 #include "main-func.h"
 #include "missing_capability.h"
+#include "nscd-flush.h"
 #include "os-util.h"
 #include "parse-util.h"
 #include "path-util.h"
@@ -286,6 +287,8 @@ static int context_update_kernel_hostname(Context *c) {
         if (sethostname_idempotent(hn) < 0)
                 return -errno;
 
+        (void) nscd_flush_cache(STRV_MAKE("hosts"));
+
         return 0;
 }
 
-- 
2.25.1