beta release. still some missing features (ipxe, http/tftp and remote syncing, etc.)

extra/pre-build.d/etc/systemd/scripts/pacmandb.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+for i in pacman apacman;
+do
+	if [ -f /usr/local/${i}.db.tar.xz ];
+	then
+		/usr/bin/tar -Jxf /usr/local/${i}.db.tar.xz -C /var/lib/${i}/
+	fi
+done

extra/pre-build.d/etc/systemd/system/multi-user.target.wants/pacmandb.service

@@ -0,0 +1 @@
+/etc/systemd/system/pacmandb.service

extra/pre-build.d/etc/systemd/system/pacmandb.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Restoring Installed Packages DB
+
+[Service]
+Type=oneshot
+#ExecStart=/usr/bin/tar -Jxf /usr/local/pacman.db.tar.xz -C /var/lib/pacman/
+ExecStart=/etc/systemd/system/scripts/pacmandb.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target