+ # fails on overlayfs with
+ # "Failed to unmount transient /etc/machine-id file in our private namespace: Invalid argument"
+ $ROOTCMD systemctl mask systemd-machine-id-commit.service || echo "failed to mask $systemd-machine-id-commit.service"
+ $ROOTCMD systemctl preset-all
+
+ # TODO ->
+
+ # * avoid startup of any LSB scripts; NOTE: jessie doesn't support that
+ # system-generators approach yet, only >=stretch
+ mkdir -p "${target}"/etc/systemd/system-generators/
+ ln -sf /dev/null "${target}"/etc/systemd/system-generators/systemd-sysv-generator
+ # -> revert /etc/systemd/system-generators/systemd-sysv-generator && systemctl daemon-reload during *bootup*
+ # + possibly move this into startup so it's always executed on bootup, even with persistency enabled
+ # where the change towards systemd-sysv-generator might persist across
+ # reboots -> LSB scripts executed on reboots
+}
+
+file_rc_setup() {
+ if ! [ -r "${target}"/etc/runlevel.conf ] ; then
+ echo 'Warning: /etc/runlevel.conf does not exist...'
+ echo '... assuming we do not have file-rc, skipping 15-initsetup'
+ exit 0
+ fi
+
+ # keep a backup of the original runlevel.conf file for reference
+ if [ -r "${target}"/etc/runlevel.conf.original ] ; then
+ # make sure to store old backup files if they differ as well
+ if ! cmp "${target}"/etc/runlevel.conf "${target}"/etc/runlevel.conf.original >/dev/null ; then
+ cp "${target}"/etc/runlevel.conf.original "${target}/etc/runlevel.conf.original.$(date +%Y%m%d_%k:%M:%S)"
+ fi
+ fi