Configure before start, fix replacement

Signed-off-by: Knut Ahlers <knut@ahlers.me>

PKGBUILD

@@ -6,7 +6,7 @@ pkgname=(
 	luzifer-devel
 	luzifer-gui
 )
-pkgver=0.1.1
+pkgver=0.1.2
 pkgrel=1
 pkgdesc='System configuration for @luzifer systems'
 arch=(any)

luzifer-base.install

@@ -3,11 +3,8 @@ post_install() {
 }
 
 post_upgrade() {
-	# Enable timesync
-	systemctl enable --now systemd-timesyncd
-
 	# Set NTP servers
-	ntp_servers=(
+	local ntp_servers=(
 		ptbtime1.ptb.de
 		ptbtime2.ptb.de
 		ptbtime3.ptb.de
@@ -16,7 +13,10 @@ post_upgrade() {
 		ntps1-0.cs.tu-berlin.de
 		ntps1-1.cs.tu-berlin.de
 	)
-	sed -E "s/^#?NTP=.*$/NTP=${ntp_servers[@]}/" /etc/systemd/timesyncd.conf
+	sed -i -E "s/^#?NTP=.*$/NTP=$(echo ${ntp_servers[@]})/" /etc/systemd/timesyncd.conf
+
+	# Enable timesync
+	systemctl enable --now systemd-timesyncd
 
 	# Set local time
 	ln -sf /usr/share/zoneinfo/Europe/Berlin "/etc/localtime"