Add initial files.

airootfs/etc/systemd/scripts/choose-mirror

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+get_cmdline() {
+    local param
+    for param in $(< /proc/cmdline); do
+        case "${param}" in
+            $1=*) echo "${param##*=}";
+            return 0
+            ;;
+        esac
+    done
+}
+
+mirror=$(get_cmdline mirror)
+[[ $mirror = auto ]] && mirror=$(get_cmdline archiso_http_srv)
+[[ $mirror ]] || exit 0
+
+mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.orig
+cat >/etc/pacman.d/mirrorlist << EOF
+#
+# Arch Linux repository mirrorlist
+# Generated by archiso
+#
+
+Server = ${mirror%%/}/\$repo/os/\$arch
+EOF

airootfs/etc/systemd/system/choose-mirror.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Choose mirror from the kernel command line
+ConditionKernelCommandLine=mirror
+
+[Service]
+Type=oneshot
+ExecStart=/etc/systemd/scripts/choose-mirror
+
+[Install]
+WantedBy=multi-user.target

airootfs/etc/systemd/system/etc-pacman.d-gnupg.mount

@@ -0,0 +1,8 @@
+[Unit]
+Description=Temporary /etc/pacman.d/gnupg directory
+
+[Mount]
+What=tmpfs
+Where=/etc/pacman.d/gnupg
+Type=tmpfs
+Options=mode=0755

airootfs/etc/systemd/system/getty@tty1.service.d/autologin.conf

@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=-/sbin/agetty --autologin root --noclear %I 38400 linux

airootfs/etc/systemd/system/pacman-init.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Initializes Pacman keyring
+Wants=haveged.service
+After=haveged.service
+Requires=etc-pacman.d-gnupg.mount
+After=etc-pacman.d-gnupg.mount
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/usr/bin/pacman-key --init
+ExecStart=/usr/bin/pacman-key --populate archlinux
+
+[Install]
+WantedBy=multi-user.target