archiso-zfs/init

#!/bin/bash
# This script load zfs kernel module for any archiso.
# github.com/eoli3n
# Thanks to CalimeroTeknik on #archlinux-fr, FFY00 on #archlinux-projects, JohnDoe2 on #regex

set -e

print () {
    echo -e "\n\033[1m> $1\033[0m\n"
}

print "Testing if archiso is running"

grep archiso /proc/cmdline

print "Increasing cowspace to half of RAM"

mount -o remount,size=50% /run/archiso/cowspace

print "Install zfs module"

# Get running kernel version
kernel_version=$(pacman -Qi linux | sed -n 's/^Version\s*: //p')

# Set regex to match package
regex='href="\Kzfs-linux-[0-9].*?'"$kernel_version"'.*?(?!.+\.sig)x86_64[^\"]+'

# Search kernel on archzfs repos
urls="http://archzfs.com/archzfs/x86_64/ http://archzfs.com/archive_archzfs/"

# Loop search
for url in $urls
do

    # Query url and try to match package
    package=$(curl -s "$url" | grep -Po "$regex")

    # If a package is found
    if [[ ! -z $package ]]
    then
        # Build package url
        package_url="$url$package"

        print "Installing package $package..."
        pacman -U "$package_url"

        # Break loop
        break
    fi
done

print "Loading zfs kernel module"

modprobe zfs

print "ZFS module is working"