mirror of
https://github.com/eoli3n/archiso-zfs.git
synced 2025-12-06 07:02:00 +01:00
187 lines
4.7 KiB
Bash
Executable file
187 lines
4.7 KiB
Bash
Executable file
#!/bin/bash
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# This script load zfs kernel module for any archiso.
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# github.com/eoli3n
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# Thanks to CalimeroTeknik on #archlinux-fr, FFY00 on #archlinux-projects, JohnDoe2 on #regex
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set -e
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### Functions
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print () {
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echo -e "\n\033[1m> $1\033[0m"
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}
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get_running_kernel_version () {
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# Returns running kernel version
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# Get running kernel version
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kernel_version=$(LANG=C pacman -Qi linux | sed -n 's/^Version\s*: //p')
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print "Current kernel version is $kernel_version"
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}
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get_iso_build_date () {
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# Returns running kernel build date formated as 'YYYY/MM/DD'
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# Get running kernel build date
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kernel_date=$(date +%Y/%m/%d -d "$(LANG=C pacman -Qi linux |sed -n 's/^Install Date\s*: //p')")
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}
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init_archzfs () {
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print "Adding archzfs repo"
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cat >> /etc/pacman.conf <<"EOF"
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[archzfs]
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Server = http://archzfs.com/archzfs/x86_64
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Server = http://mirror.sum7.eu/archlinux/archzfs/archzfs/x86_64
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Server = https://mirror.biocrafting.net/archlinux/archzfs/archzfs/x86_64
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EOF
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pacman-key --recv-keys F75D9D76 &>/dev/null
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pacman-key --lsign-key F75D9D76 &>/dev/null
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pacman -Sy > /dev/null
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}
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init_archlinux_archive () {
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# $1 is date formated as 'YYYY/MM/DD'
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# Returns False if repo does not exists
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# Set repo
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repo="Server=https://archive.archlinux.org/repos/$1/\$repo/os/\$arch"
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pacman -Syy --quiet
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# If repo exists, set it, if not, return False
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curl -s "$repo" && echo "$repo" > /etc/pacman.d/mirrorlist || return 1
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return 0
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}
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search_package () {
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# $1 is package name to search
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# $2 is version to match
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# Set regex to match package
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local regex='href="\K(?![^"]*\.sig)'"$1"'-(?=\d)[^"]*'"$2"'[^"]*x86_64[^"]*'
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# href=" # match href="
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# \K # don't return anything matched prior to this point
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# (?![^"]*\.sig) # remove .sig matches
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# '"$1"'-(?=\d) # find me '$package-' escaped by shell and ensure that after "-" is a digit
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# [^"]* # match anything between '"'
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# '"$2"' # match version escaped by shell
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# [^"]* # match anything between '"'
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# x86_64 # now match architecture
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# [^"]* # match anything between '"'
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# Set archzfs URLs list
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local urls="http://archzfs.com/archzfs/x86_64/ http://archzfs.com/archive_archzfs/"
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# Loop search
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for url in $urls
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do
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print "Searching on $url..."
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# Query url and try to match package
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local package=$(curl -s "$url" | grep -Po "$regex" | tail -n 1)
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# If a package is found
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if [[ -n $package ]]
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then
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print "Package \"$package\" found"
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# Build package url
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package_url="$url$package"
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# Break loop
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break
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fi
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done
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}
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download_package () {
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# $1 is package url to download in tmp
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# It returns downloaded file path
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local filename="${1##*/}"
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# Download package in tmp
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wget "$1" --quiet -P /tmp
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# Set out file
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package_file="/tmp/$filename"
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print "Downloading to $package_file ..."
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}
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### Main
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print "Testing if archiso is running"
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grep archiso /proc/cmdline > /dev/null
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print "Increasing cowspace to half of RAM"
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mount -o remount,size=50% /run/archiso/cowspace
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# Init archzfs repository
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init_archzfs
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# Search kernel package
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# https://github.com/archzfs/archzfs/issues/337#issuecomment-624312576
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get_running_kernel_version
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kernel_version_fixed="${kernel_version//-/\.}"
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# Search zfs-linux package matching running kernel version
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search_package "zfs-linux" "$kernel_version_fixed"
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zfs_linux_url="$package_url"
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# If a package is found
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if [[ -n $zfs_linux_url ]]
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then
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# Download package
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download_package $zfs_linux_url
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zfs_linux_package="$package_file"
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print "Extracting $zfs_linux_package"
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# Extract package
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mkdir -p /tmp/extract
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tar xvf "$zfs_linux_package" -C /tmp/extract > /dev/null
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print "Searching zfs-utils"
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# Get zfs-utils dependency version
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zfs_utils_version=$(grep 'depend = zfs-utils' /tmp/extract/.PKGINFO | grep -o '[[:digit:]].*')
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# Clean extracted dir
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rm -Rf /tmp/extract
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# Search zfs-utils package matching zfs-linux package dependency
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search_package "zfs-utils" "$zfs_utils_version"
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zfs_utils_url="$package_url"
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if [[ -n $zfs_utils_url ]]
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then
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print "Installing zfs-utils and zfs-linux"
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# Install packages
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pacman -U "$zfs_utils_url" --noconfirm &> /dev/null
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pacman -U "$zfs_linux_package" --noconfirm > /dev/null && zfs=1
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fi
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fi
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# Load kernel module
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if [[ "$zfs" == "1" ]]
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then
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modprobe zfs && echo -e "\n\e[32mZFS is ready\n"
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else
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print "No ZFS module found"
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fi
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