Add alarm/fake-hwclock

alarm/fake-hwclock/PKGBUILD

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+# Maintainer: Oleg Rakhmanov <orakhmanov [at] gmail [dot] com>
+#
+# Reworked Alexander Manning's rc.d script for systemd
+# Reference: http://archplusplus.co.uk/post/31401843803/fake-hwclock-for-arch-linux-arm-on-raspberry-pi
+
+pkgname=fake-hwclock
+pkgver=0.1
+pkgrel=1
+pkgdesc="Saves time on shutdown and restores it on boot from a file"
+arch=('arm')
+license=('GPL')
+source=('savesettime.sh'
+        'fake-hwclock.service')
+
+md5sums=('8264f56630b0ed3299b51a43f3854285'
+         '555ce36333857e6ee56c98daa7df2f5f')
+
+package() {
+  mkdir -p "${pkgdir}/usr/lib/systemd/"{scripts,system}
+
+  cp "${srcdir}/savesettime.sh" "${pkgdir}/usr/lib/systemd/scripts/"
+  cp "${srcdir}/fake-hwclock.service" "${pkgdir}/usr/lib/systemd/system/"
+}

alarm/fake-hwclock/fake-hwclock.service

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+[Unit]
+Description=Sets time to what it was at last shutdown.
+After=sysinit.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/lib/systemd/scripts/savesettime.sh set
+RemainAfterExit=true
+ExecStop=/usr/lib/systemd/scripts/savesettime.sh save
+
+[Install]
+WantedBy=sysinit.target
+

alarm/fake-hwclock/savesettime.sh

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+#!/bin/bash
+
+MYSELF=$0
+
+setclock() {
+	echo "Setting hardware clock \n"
+	MYTIME=$(date -r $MYSELF '+%Y-%m-%d %r')
+	date --set="$MYTIME" &>/dev/null
+}
+
+saveclock() {
+	echo "Saving current time \n"
+	touch $MYSELF &>/dev/null
+}
+
+case "$1" in
+	set)
+		setclock
+		;;
+	save)
+		saveclock
+		;;
+	*)
+		echo "Usage: $MYSELF {set|save}"
+		exit 1
+		;;
+esac