[oe] [PATCH] rootfs-postcommands: generate /var/lib/systemd/clock

[Jan Remmet]

systemd timesyncd check /var/lib/systemd/clock instead of
/etc/timestamp.
If this file is missing it defaults to TIME_EPOCH. It's set while
configuring systemd.

Signed-off-by: Jan Remmet <j.remmet at phytec.de>
---
 meta/classes/rootfs-postcommands.bbclass | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
index db8b551..0c7b764 100644
--- a/meta/classes/rootfs-postcommands.bbclass
+++ b/meta/classes/rootfs-postcommands.bbclass
@@ -234,6 +234,12 @@ python write_image_manifest () {
 # sane default time setting
 rootfs_update_timestamp () {
 	date -u +%4Y%2m%2d%2H%2M%2S >${IMAGE_ROOTFS}/etc/timestamp
+
+	if ${@bb.utils.contains("DISTRO_FEATURES", "systemd", "true", "false", d)}; then
+		# touch needs timestamp as [[CC]YY]MMDDhhmm[.ss]
+		TS=$(sed 's/[.]*/&./13' ${IMAGE_ROOTFS}/etc/timestamp)
+		touch -t $TS ${IMAGE_ROOTFS}/var/lib/systemd/clock
+	fi
 }
 
 # Prevent X from being started
-- 
1.9.1