install_tpl

#!/bin/sh

# running on raspbian 9?
cat /etc/os-release | grep 'ID=raspbian' > /dev/null; A=$?
cat /etc/os-release | grep 'VERSION_ID="9"' > /dev/null; B=$?
if [ $A -ne 0 -o $B -ne 0 ] ; then
    >&2 echo "only Raspbian 9 is supported"
    exit 1
fi

# running as root?
if [ $(id -u) -ne 0 ] ; then
    >&2 echo "must be root"
    >&2 echo "try: curl ... | sudo sh"
    exit 1
fi

INSTALLDIR=/opt/lpie

mkdir -p $INSTALLDIR

if [ -f $INSTALLDIR/version ] ; then
    >&2 echo "lpie already installed"
    exit 1
fi

echo 1 > $INSTALLDIR/version

cat <<"EOF" | base64 -d | tar -xzf - -C $INSTALLDIR
TAR_ARCHIVE_CONTENTS
EOF

chmod u=rw,og=r $INSTALLDIR/*
chmod +x $INSTALLDIR/lpie
chmod +x $INSTALLDIR/reboot-rw-svc
chmod +x $INSTALLDIR/initscript
ln -s $INSTALLDIR/lpie /usr/local/bin/lpie
cp $INSTALLDIR/initscript /etc/initramfs-tools/scripts/init-bottom/lpie-init
ln -s $INSTALLDIR/lpie.service /etc/systemd/system/lpie.service
ln -s /etc/systemd/system/lpie.service /etc/systemd/system/multi-user.target.wants/lpie.service
echo "overlay" >> /etc/initramfs-tools/modules
echo "initramfs initramfs.img" >> /boot/config.txt
mkinitramfs -o /boot/initramfs.img
systemctl disable dphys-swapfile >/dev/null 2>&1

echo "lpie successfully installed"
echo "enable overlay mode with: sudo lpie enable"