add autobuilder to server scripts

usr/share/archboot/server/systemd/archboot.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Check, build and upload archboot images at night
+
+[Service]
+ExecStart=/home/tobias/Arch/iso/chroots/trigger-update.sh
+

usr/share/archboot/server/systemd/archboot.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Runs trigger-update.sh at night
+
+[Timer]
+# Run everday at 2:00 night
+OnCalendar=*-*-* 2:00:00
+Unit=archboot.service
+Persistent=true
+
+[Install]
+WantedBy=multi-user.target

usr/share/archboot/server/trigger-update.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+_ARCH="x86_64 aarch64 riscv64"
+_PACKAGES="archboot bcachefs-tools btrfs-progs e2fsprogs glibc linux systemd openssh ttyd xfsprogs"
+_CHROOTS="/home/tobias/Arch/iso/chroots"
+cd "${_CHROOTS}" || exit 1
+for i in ${_ARCH}; do
+    systemd-nspawn -q -D "${i}" pacman --noconfirm -Syu
+    for k in ${_PACKAGES}; do
+        if rg -qw "${k}" "${i}"/var/log/pacman.log; then
+            archboot-"${i}"-server-release.sh
+            break
+        fi
+    done
+    rm "${i}"/var/log/pacman.log
+done
+# vim: set ft=sh ts=4 sw=4 et: