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# -*- sh -*-
# arg 1:  the new package version
# arg 2:  the old package version

KERNEL_NAME=-pf
KERNEL_VERSION=4.14.3-pf

# set a sane PATH to ensure that critical utils like depmod will be found
export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'

post_install () {

    # compat symlinks for the official kernels only
    if [ -z "${KERNEL_NAME}" -o "${KERNEL_NAME}" = "-lts" ]; then
	loaders="$(find /boot -name syslinux.cfg -or -name extlinux.conf -or -name grub.cfg -or -name menu.lst)"
	[ -f /etc/lilo.conf ] && loaders="$loaders /etc/lilo.conf"
	if [ -n "${loaders}" ] && grep -q -e vmlinuz26 -e kernel26.img -e kernel26-fallback.img $loaders; then
	    # add compat symlinks for the initramfs images
	    ln -sf initramfs-linux${KERNEL_NAME}.img boot/kernel26${KERNEL_NAME}.img
	    ln -sf initramfs-linux${KERNEL_NAME}-fallback.img \
		boot/kernel26${KERNEL_NAME}-fallback.img
	    ln -sf vmlinuz-linux${KERNEL_NAME} /boot/vmlinuz26${KERNEL_NAME}
	fi
    fi
}

post_upgrade() {
    if findmnt --fstab -uno SOURCE /boot &>/dev/null && ! mountpoint -q /boot; then
	echo "WARNING: /boot appears to be a separate partition but is not mounted."
    fi
}

post_remove() {
    # also remove the compat symlinks
    rm -f boot/{initramfs-linux,kernel26}${KERNEL_NAME}.img
    rm -f boot/{initramfs-linux,kernel26}${KERNEL_NAME}-fallback.img
}