From 86b84a60ff3629c325b0d65553530297bb53a953 Mon Sep 17 00:00:00 2001
From: Robert Schwebel <r.schwebel@pengutronix.de>
Date: Mon, 10 Aug 2020 11:54:51 +0200
Subject: rc-once: copy upstream systemd-rc-once from ptxdist-2020.08.0

This is the original file, which will be modified in the next commit.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
---
 projectroot/usr/lib/systemd/systemd-rc-once | 54 +++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 projectroot/usr/lib/systemd/systemd-rc-once

(limited to 'projectroot')

diff --git a/projectroot/usr/lib/systemd/systemd-rc-once b/projectroot/usr/lib/systemd/systemd-rc-once
new file mode 100644
index 0000000..e14936e
--- /dev/null
+++ b/projectroot/usr/lib/systemd/systemd-rc-once
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+. /lib/init/initmethod-bbinit-functions.sh
+. /lib/init/rc-once.sh
+
+start() {
+	if ! mount_root_rw; then
+		systemctl --no-block rescue
+		exit 1
+	fi
+	if run_rc_once; then
+		rm -f /system-update
+	fi
+	systemctl daemon-reexec
+	sleep 1
+	if [ -d /var/lib/systemd/timesync ]; then
+		touch /var/lib/systemd/timesync/clock
+		chown systemd-timesync:nogroup /var/lib/systemd/timesync/clock
+	fi
+	exec "$0" umount
+}
+
+umount() {
+	if ! mount_root_restore; then
+		# remounting rw/ro during the second boot will flush anything
+		# left in the filesystem journal
+		ln -sf /etc/rc.once.d /system-update
+		systemctl --no-block reboot
+	else
+		if [ -e /system-update ]; then
+			systemctl --no-block rescue
+		else
+			systemctl --no-block default
+		fi
+	fi
+}
+
+case "$1" in
+
+	start|"")
+		start
+		;;
+	umount)
+		umount
+		;;
+	*)
+		echo "Usage: $0 {start|umount}" >&2
+		exit 1
+		;;
+esac
+
+exit 0
+
+
-- 
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