Add the ability to run a /boot/msw_provision.sh script on first boot

stage2/03-msw-tweaks/01-run.sh

@@ -0,0 +1,10 @@
+#!/bin/bash -e
+
+install -m 644 files/msw_provision.service ${ROOTFS_DIR}/etc/systemd/system/msw_provision.service
+install -m 644 files/msw_provisioned.service ${ROOTFS_DIR}/etc/systemd/system/msw_provisioned.service
+
+on_chroot << EOF
+systemctl enable msw_provision
+systemctl enable msw_provisioned
+EOF
+

stage2/03-msw-tweaks/files/msw_provision.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Provisions the system via a script on the /boot partition
+ConditionFileIsExecutable=/boot/msw_provision.sh
+ConditionPathExists=!/var/msw_provisioned
+
+[Service]
+Type=oneshot
+ExecStart=/boot/msw_provision.sh
+
+[Install]
+WantedBy=multi-user.target
+

stage2/03-msw-tweaks/files/msw_provisioned.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Tells the system that it has been provisioned
+ConditionPathExists=!/var/msw_provisioned
+After=msw_provision.service
+Requires=msw_provision.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/touch /var/msw_provisioned
+
+[Install]
+WantedBy=multi-user.target
+