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iso-generator.sh
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#!/usr/bin/env bash
###############################################################
### Anarchy Linux Install Script
### iso-generator.sh
###
### Copyright (C) 2018 Dylan Schacht
###
### By: Dylan Schacht (deadhead)
### Email: [email protected]
### Webpage: https://anarchylinux.org
###
### Any questions, comments, or bug reports may be sent to above
### email address. Enjoy, and keep on using Anarchy.
###
### License: GPL v2.0
###############################################################
# Error codes:
# * Exit 1: Missing dependencies (check_dependencies)
# * Exit 2: Missing Arch iso (update_arch_iso)
# * Exit 3: Checksum did not match for Arch ISO (check_arch_iso)
# * Exit 4: Failed to create iso (create_iso)
# Exit on error
set -o errexit
set -o errtrace
# Enable tracing of what gets executed
#set -o xtrace
# Declare important variables
working_dir=$(pwd) # prev: aa
log_dir="${working_dir}"/log
out_dir="${working_dir}"/out # Directory for generated ISOs
wallpapers_git_url="https://github.com/AnarchyLinux/brand.git"
brand_dir="/tmp/anarchy-brand"
wallpapers_dir="${brand_dir}/wallpapers/official"
# Define colors depending on script arguments
set_up_colors() {
if [[ "${show_color}" == true ]]; then
color_blank='\e[0m'
color_green='\e[1;32m'
color_red='\e[1;31m'
color_white="\e[1m"
else
# Replace all colors with reset codes
color_blank='\e[0m'
color_green='\e[0m'
color_red='\e[0m'
color_white="\e[0m"
fi
}
set_up_logging() {
if [[ ! -d "${log_dir}" ]]; then
mkdir "${log_dir}"
fi
log_file="${log_dir}"/iso-generator-"$(date +%d%m%y)".log
# Remove existing logs and create a new one
if [[ -e "${log_dir}"/"${log_file}" ]]; then
rm "${log_dir}"/"${log_file}"
fi
touch "${log_file}"
}
log() {
local entry
read entry
echo -e "$(date -u "+%d/%m/%Y %H:%M") : ${entry}" | tee -a "${log_file}"
}
# Clears the screen and adds a banner
prettify() {
clear
echo -e "${color_white}-- Anarchy Linux --${color_blank}"
echo -e ""
}
set_version() {
# Label must be 11 characters long
anarchy_iso_label="ANARCHYV108" # prev: iso_label
anarchy_iso_release="1.0.8" # prev: iso_rel
anarchy_iso_name="anarchy-${anarchy_iso_release}-x86_64.iso" # prev: version
}
init() {
# Location variables
custom_iso="${working_dir}"/customiso # prev: customiso
squashfs="${custom_iso}"/arch/x86_64/squashfs-root # prev: sq
# Check for existing Arch iso
if (ls "${working_dir}"/archlinux-*-x86_64.iso &>/dev/null); then
local_arch_iso=$(ls "${working_dir}"/archlinux-*-x86_64.iso | tail -n1 | sed 's!.*/!!') # Outputs Arch iso filename prev: iso
fi
if [[ ! -d "${out_dir}" ]]; then
mkdir "${out_dir}"
fi
# Remove existing Anarchy iso with same name
if [[ -e "${out_dir}"/"${anarchy_iso_name}" ]]; then
rm "${out_dir}"/"${anarchy_iso_name}"
fi
# Link to AUR snapshots
aur_snapshot_link="https://aur.archlinux.org/cgit/aur.git/snapshot/" # prev: aur
# Packages to add to local repo
local_aur_packages=( # prev: builds
'numix-icon-theme-git'
'numix-circle-icon-theme-git'
'oh-my-zsh-git'
'opensnap'
'perl-linux-desktopfiles'
'obmenu-generator'
'yay-bin'
'openbox-themes'
'arch-wiki-cli'
)
check_dependencies
update_arch_iso
check_arch_iso
local_repo_builds
}
check_dependencies() { # prev: check_depends
echo -e "Checking dependencies ..." | log
# Dependencies with same name packages
dependencies=(
'wget'
'libisoburn'
'squashfs-tools'
'p7zip'
'arch-install-scripts'
'xxd'
'gtk3'
'pacman-contrib'
'pkgconf'
'patch'
'gcc'
'make'
'binutils'
'file'
)
for dep in "${dependencies[@]}"; do
if ! pacman -Qi ${dep} > /dev/null; then
missing_deps+=("${dep}")
fi
done
if [[ "${#missing_deps[@]}" -ne 0 ]]; then
echo -e "Missing dependencies: ${missing_deps[*]}" | log
if [[ "${user_input}" == true ]]; then
echo -e "Install them now? [y/N]: "
local input
read -r input
case "${input}" in
y|Y|yes|YES|Yes)
echo -e "Chose to install dependencies" | log
for pkg in "${missing_deps[@]}"; do
echo -e "Installing ${pkg} ..." | log
if [[ "${show_color}" == true ]]; then
sudo pacman --noconfirm -Sy "${pkg}"
else
sudo pacman --noconfirm --color never -Sy "${pkg}"
fi
echo -e "${pkg} installed" | log
done
;;
*)
echo -e "Chose not to install dependencies" | log
echo -e "${color_red}Error: Missing dependencies, exiting.${color_blank}" | log
exit 1
;;
esac
else
for pkg in "${missing_deps[@]}"; do
echo -e "Installing ${pkg} ..." | log
if [[ "${show_color}" == true ]]; then
sudo pacman --noconfirm -Sy "${pkg}"
else
sudo pacman --noconfirm --color never -Sy "${pkg}"
fi
echo -e "${pkg} installed" | log
done
fi
fi
echo -e "Done installing dependencies"
echo -e ""
}
update_arch_iso() { # prev: update_iso
update=false
# Check for latest Arch Linux iso
arch_iso_latest=$(curl -s https://www.archlinux.org/download/ | grep "Current Release" | awk '{print $3}' | sed -e 's/<.*//') # prev: archiso_latest
arch_iso_link="https://mirrors.kernel.org/archlinux/iso/${arch_iso_latest}/archlinux-${arch_iso_latest}-x86_64.iso" # prev: archiso_link
arch_checksum_link="https://mirrors.edge.kernel.org/archlinux/iso/${arch_iso_latest}/sha1sums.txt"
echo -e "Checking for updated Arch Linux image ..." | log
iso_date=$(<<<"${arch_iso_link}" sed 's!.*/!!')
if [[ "${iso_date}" != "${local_arch_iso}" ]]; then
if [[ -z "${local_arch_iso}" ]]; then
echo -e "No Arch Linux image found under ${working_dir}" | log
if [[ "${user_input}" == true ]]; then
echo -e "Download it? [y/N]: "
local input
read -r input
case "${input}" in
y|Y|yes|YES|Yes)
echo -e "Chose to download image" | log
update=true
;;
*)
echo -e "Chose not to download image" | log
echo -e "${color_red}Error: iso-generator requires an Arch Linux image located in: ${working_dir}, exiting.${color_blank}" | log
exit 2
;;
esac
else
update=true
fi
else
echo -e "Updated Arch Linux image available: ${arch_iso_latest}" | log
if [[ "${user_input}" == true ]]; then
echo -e "Download it? [y/N]: "
local input
read -r input
case "${input}" in
y|Y|yes|YES|Yes)
echo -e "Chose to update image" | log
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
update=true
;;
*)
echo -e "Chose not to update image" | log
echo -e "Using old image: ${local_arch_iso}" | log
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
sleep 1
;;
esac
else
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
update=true
fi
fi
if "${update}" ; then
cd "${working_dir}" || exit
echo -e ""
echo -e "Downloading Arch Linux image and checksum ..." | log
echo -e "(Don't resize the window or it will mess up the progress bar)"
wget -c -q --show-progress "${arch_checksum_link}"
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
wget -c -q --show-progress "${arch_iso_link}"
local_arch_iso=$(ls "${working_dir}"/archlinux-*-x86_64.iso | tail -n1 | sed 's!.*/!!')
fi
fi
echo -e "Done checking for Arch Linux image"
echo -e ""
}
check_arch_iso() {
echo -e "Comparing Arch Linux checksums ..." | log
checksum=false
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
# Check if checksum exists
if [[ -e "${local_arch_checksum}" ]]; then
if [[ $(sha1sum --check --ignore-missing "${local_arch_checksum}") ]]; then
echo -e "${local_arch_iso}: OK" | log
checksum=true
fi
else
echo -e "No checksum found!" | log
if [[ "${user_input}" == true ]]; then
echo -e "Download it? [Y/n]: "
local input
read -r input
case "${input}" in
n|N|no|NO|No)
echo -e "Chose not to download checksum" | log
;;
*)
echo -e "Chose to download checksum" | log
wget -c -q --show-progress "${arch_checksum_link}"
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
if [[ $(sha1sum --check --ignore-missing "${local_arch_checksum}") ]]; then
echo -e "${local_arch_iso}: OK" | log
checksum=true
fi
;;
esac
else
# Automatically download and compare checksum
wget -c -q --show-progress "${arch_checksum_link}"
local_arch_checksum=$(ls "${working_dir}"/sha1sums.txt | tail -n1 | sed 's!.*/!!')
if [[ $(sha1sum --check --ignore-missing "${local_arch_checksum}") ]]; then
echo -e "${local_arch_iso}: OK" | log
checksum=true
fi
fi
fi
if [[ "${checksum}" == false ]]; then
echo -e "Checksum did not match ISO file!" | log
if [[ "${user_input}" == true ]]; then
echo -e "Continue anyway? [y/N]: "
local input
read -r input
case "${input}" in
y|Y|yes|YES|Yes)
echo -e "Chose to continue" | log
;;
*)
echo -e "Chose not to continue" | log
echo -e "${color_red}Error: Checksum did not match file, exiting!${color_blank}" | log
exit 3
;;
esac
else
echo -e "${color_red}Error: Checksum did not match file, exiting!${color_blank}" | log
exit 3
fi
fi
}
local_repo_builds() { # prev: aur_builds
echo -e "Updating pacman databases ..." | log
sudo pacman -Sy --noconfirm
echo -e "Done updating pacman databases"
echo -e "Building AUR packages for local repo ..." | log
# Begin build loop checking /tmp for existing builds, then build packages & install if required
for pkg in "${local_aur_packages[@]}"; do
echo -e "Making ${pkg} ..." | log
wget -qO- "${aur_snapshot_link}/${pkg}.tar.gz" | tar xz -C /tmp
cd /tmp/"${pkg}" || exit
if [[ "${show_color}" == true ]]; then
makepkg -sif --noconfirm --nocheck
else
makepkg -sif --noconfirm --nocheck --nocolor
fi
echo -e "${pkg} made successfully" | log
done
echo -e "Done making packages"
echo -e ""
}
extract_arch_iso() { # prev: extract_iso
cd "${working_dir}" || exit
if [[ -d "${custom_iso}" ]]; then
sudo rm -rf "${custom_iso}"
fi
echo -e "Extracting Arch Linux image ..." | log
# Extract Arch iso to mount directory and continue with build
7z x "${local_arch_iso}" -o"${custom_iso}"
echo -e "Done extracting image"
echo -e ""
}
copy_config_files() { # prev: build_conf
# Change directory into the iso, where the filesystem is stored.
# Unsquash root filesystem 'airootfs.sfs', this creates a directory 'squashfs-root' containing the entire system
echo -e "Unsquashing Arch image ..." | log
cd "${custom_iso}"/arch/x86_64 || exit
sudo unsquashfs airootfs.sfs
echo -e "Done unsquashing airootfs.sfs"
echo -e ""
echo -e "Adding console and locale config files to iso ..." | log
# Copy over vconsole.conf (sets font at boot), locale.gen (enables locale(s) for font) & uvesafb.conf
sudo cp "${working_dir}"/etc/vconsole.conf "${working_dir}"/etc/locale.gen "${squashfs}"/etc/
sudo arch-chroot "${squashfs}" /bin/bash locale-gen
# Copy over main Anarchy config and installer script, make them executable
echo -e "Adding anarchy config and installer scripts to iso ..." | log
sudo cp "${working_dir}"/etc/anarchy.conf "${working_dir}"/etc/pacman.conf "${squashfs}"/etc/
sudo cp "${working_dir}"/anarchy-installer.sh "${squashfs}"/usr/bin/anarchy
sudo cp "${working_dir}"/extra/sysinfo "${working_dir}"/extra/iptest "${squashfs}"/usr/bin/
sudo chmod +x "${squashfs}"/usr/bin/anarchy "${squashfs}"/usr/bin/sysinfo "${squashfs}"/usr/bin/iptest
# Create Anarchy and lang directories, copy over all lang files
echo -e "Adding language files to iso ..." | log
sudo mkdir -p "${squashfs}"/usr/share/anarchy/lang "${squashfs}"/usr/share/anarchy/extra "${squashfs}"/usr/share/anarchy/boot "${squashfs}"/usr/share/anarchy/etc
sudo cp "${working_dir}"/lang/* "${squashfs}"/usr/share/anarchy/lang/
# Create shell function library, copy /lib to squashfs-root
echo -e "Adding anarchy scripts to iso ..." | log
sudo mkdir "${squashfs}"/usr/lib/anarchy
sudo cp "${working_dir}"/lib/* "${squashfs}"/usr/lib/anarchy/
# Copy over extra files (dot files, desktop configurations, help file, issue file, hostname file)
echo -e "Adding dot files and desktop configurations to iso ..." | log
sudo rm "${squashfs}"/root/install.txt
sudo cp "${working_dir}"/extra/shellrc/.zshrc "${squashfs}"/root/
sudo cp "${working_dir}"/extra/.help "${working_dir}"/extra/.dialogrc "${squashfs}"/root/
sudo cp "${working_dir}"/extra/shellrc/.zshrc "${squashfs}"/etc/zsh/zshrc
sudo cp -r "${working_dir}"/extra/shellrc/. "${squashfs}"/usr/share/anarchy/extra/
sudo cp -r "${working_dir}"/extra/desktop "${working_dir}"/extra/fonts "${working_dir}"/extra/anarchy-icon.png "${squashfs}"/usr/share/anarchy/extra/
cat "${working_dir}"/extra/.helprc | sudo tee -a "${squashfs}"/root/.zshrc >/dev/null
sudo cp "${working_dir}"/etc/hostname "${working_dir}"/etc/issue_cli "${squashfs}"/etc/
sudo cp -r "${working_dir}"/boot/splash.png "${working_dir}"/boot/loader/ "${squashfs}"/usr/share/anarchy/boot/
sudo cp "${working_dir}"/etc/nvidia340.xx "${squashfs}"/usr/share/anarchy/etc/
# Download and copy over wallpapers
sudo mkdir "${squashfs}"/usr/share/anarchy/extra/wallpapers
git clone "${wallpapers_git_url}" "${brand_dir}"
sudo cp "${wallpapers_dir}"/* "${squashfs}"/usr/share/anarchy/extra/wallpapers/
# Copy over built packages and create repository
echo -e "Adding built AUR packages to iso ..." | log
sudo mkdir "${custom_iso}"/arch/x86_64/squashfs-root/usr/share/anarchy/pkg
for pkg in $(echo -e "${local_aur_packages[@]}"); do
sudo cp /tmp/"${pkg}"/*.pkg.tar.xz "${squashfs}"/usr/share/anarchy/pkg/
done
cd "${squashfs}"/usr/share/anarchy/pkg || exit
sudo repo-add anarchy-local.db.tar.gz *.pkg.tar.xz
cd "${working_dir}" || exit
# Remove brand folder
rm -rf "${brand_dir}"
echo -e "Done adding files to iso"
echo -e ""
}
build_system() { # prev: build_sys
echo -e "Installing packages to new system ..." | log
# Install fonts, fbterm, fetchmirrors etc.
sudo pacman --root "${squashfs}" --cachedir "${squashfs}"/var/cache/pacman/pkg --noconfirm -Sy terminus-font acpi zsh-syntax-highlighting pacman-contrib
sudo pacman --root "${squashfs}" --cachedir "${squashfs}"/var/cache/pacman/pkg -Sl | awk '/\[installed\]$/ {print $1 "/" $2 "-" $3}' > "${custom_iso}"/arch/pkglist.x86_64.txt
sudo pacman --root "${squashfs}" --cachedir "${squashfs}"/var/cache/pacman/pkg --noconfirm -Scc
sudo rm -f "${squashfs}"/var/cache/pacman/pkg/*
echo -e "Done installing packages to new system"
echo -e ""
# cd back into root system directory, remove old system
cd "${custom_iso}"/arch/x86_64 || exit
rm airootfs.sfs
# Recreate the iso using compression, remove unsquashed system, generate checksums
echo -e "Recreating Anarchy image ..." | log
sudo mksquashfs squashfs-root airootfs.sfs -b 1024k -comp xz
sudo rm -r squashfs-root
md5sum airootfs.sfs > airootfs.md5
echo -e "Done recreating Anarchy image"
echo -e ""
}
configure_boot() {
echo -e "Configuring boot ..." | log
arch_iso_label=$(<"${custom_iso}"/loader/entries/archiso-x86_64.conf awk 'NR==6{print $NF}' | sed 's/.*=//')
arch_iso_hex=$(<<<"${arch_iso_label}" xxd -p)
anarchy_iso_hex=$(<<<"${anarchy_iso_label}" xxd -p)
cp "${working_dir}"/boot/splash.png "${custom_iso}"/arch/boot/syslinux/
cp "${working_dir}"/boot/iso/archiso_head.cfg "${custom_iso}"/arch/boot/syslinux/
sed -i "s/${arch_iso_label}/${anarchy_iso_label}/;s/Arch Linux archiso/Anarchy Linux/" "${custom_iso}"/loader/entries/archiso-x86_64.conf
sed -i "s/${arch_iso_label}/${anarchy_iso_label}/;s/Arch Linux/Anarchy Linux/" "${custom_iso}"/arch/boot/syslinux/archiso_sys.cfg
sed -i "s/${arch_iso_label}/${anarchy_iso_label}/;s/Arch Linux/Anarchy Linux/" "${custom_iso}"/arch/boot/syslinux/archiso_pxe.cfg
cd "${custom_iso}"/EFI/archiso/ || exit
echo -e "Replacing label hex in efiboot.img...\n${arch_iso_label} ${arch_iso_hex} > ${anarchy_iso_label} ${anarchy_iso_hex}" | log
xxd -c 256 -p efiboot.img | sed "s/${arch_iso_hex}/${anarchy_iso_hex}/" | xxd -r -p > efiboot1.img
if ! (xxd -c 256 -p efiboot1.img | grep "${anarchy_iso_hex}" &>/dev/null); then
echo -e "${color_red}\nError: failed to replace label hex in efiboot.img${color_blank}" | log
echo -e "Press any key to continue."
read input
fi
mv efiboot1.img efiboot.img
echo -e "Done configuring boot"
echo -e ""
}
create_iso() {
echo -e "Creating new Anarchy image ..." | log
cd "${working_dir}" || exit
xorriso -as mkisofs \
-iso-level 3 \
-full-iso9660-filenames \
-volid "${anarchy_iso_label}" \
-eltorito-boot isolinux/isolinux.bin \
-eltorito-catalog isolinux/boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-isohybrid-mbr customiso/isolinux/isohdpfx.bin \
-eltorito-alt-boot \
-e EFI/archiso/efiboot.img \
-no-emul-boot -isohybrid-gpt-basdat \
-output "${out_dir}"/"${anarchy_iso_name}" \
"${custom_iso}"
if [[ "$?" -eq 0 ]]; then
rm -rf "${custom_iso}"
generate_checksums
else
echo -e "${color_red}Error: Image creation failed, exiting.${color_blank}" | log
exit 4
fi
}
generate_checksums() {
echo -e "Generating image checksum ..." | log
cd "${out_dir}"
echo -e "$(sha256sum "${anarchy_iso_name}")" > "${anarchy_iso_name}".sha256sum
echo -e "Done generating image checksum"
echo -e ""
}
uninstall_dependencies() {
if [[ "${#missing_deps[@]}" -ne 0 ]]; then
echo -e "Installed dependencies: ${missing_deps[*]}" | log
if [[ "${user_input}" == true ]]; then
echo -e "Uninstall these dependencies? [y/N]: "
local input
read -r input
case "${input}" in
y|Y|yes|YES|Yes)
echo -e "Chose to remove dependencies" | log
for pkg in "${missing_deps[@]}"; do
echo -e "Removing ${pkg} ..." | log
sudo pacman -Rs ${pkg}
echo -e "${pkg} removed" | log
done
echo -e "Removed all dependencies" | log
;;
*)
echo -e "Chose not to remove dependencies" | log
;;
esac
fi
fi
}
# Logs last command to display it in cleanup
command_log() {
current_command="${BASH_COMMAND}"
last_command="${current_command}"
}
# Starts if the iso-generator is interrupted
cleanup() {
# Check if user exited or if there was an error
if [[ "${last_command}" == "init" ]]; then
echo -e "User force stopped the script" | log
else
echo -e "${color_red}An error occured: ${last_command} exited with error code $?${color_blank}" | log
fi
# Check if customiso is mounted
if mount | grep "${custom_iso}" > /dev/null; then
echo -e "Unmounting customiso directory ..." | log
sudo umount "${custom_iso}"
fi
# Check and clean the customiso directory
if [[ -d "${custom_iso}" ]]; then
echo -e "Removing customiso directory ..." | log
# We have to use sudo in case root owns files inside customiso
sudo rm -rf "${custom_iso}"
fi
if [[ -d "${brand_dir}" ]]; then
echo -e "Removing downloaded branding directory ..." | log
rm -rf "${brand_dir}"
fi
if [[ "${last_command}" != "init" ]]; then
echo -e "${color_white}Please report this issue to our Github issue tracker: https://git.io/JeOxK${color_blank}"
echo -e "${color_white}Make sure to include the relevant log: ${log_file}${color_blank}"
echo -e "${color_white}You can also ask about the issue in our Telegram: https://t.me/anarchy_linux${color_blank}"
fi
}
usage() {
clear
echo -e "${color_white}Usage: iso-generator.sh [options]${color_blank}"
echo -e "${color_white} -c | --no-color) Disable color output${color_blank}"
echo -e "${color_white} -i | --no-input) Don't ask user for input${color_blank}"
echo -e "${color_white} -o | --output-dir) Specify directory for generated ISOs/checksums${color_blank}"
echo -e "${color_white} -l | --log-dir) Specify directory for logs${color_blank}"
echo -e ""
}
# Enable traps
trap command_log DEBUG
trap cleanup ERR
# Enable color output and user input by default
show_color=true
user_input=true
while (true); do
case "$1" in
-h|--help)
usage
exit 0
;;
-c|--no-color)
show_color=false
shift
;;
-i|--no-input)
user_input=false
shift
;;
-o|--output-dir)
shift
out_dir="$(readlink -f $1)"
shift
;;
-l|--log-dir)
shift
log_dir="$(readlink -f $1)"
shift
;;
#-a|--arch-iso)
# shift
# local_arch_iso=$1
# shift
#;;
*)
prettify
set_up_logging
set_version
init
extract_arch_iso
copy_config_files
build_system
configure_boot
create_iso
uninstall_dependencies
echo -e "${color_green}${anarchy_iso_name} image generated successfully.${color_blank}" | log
exit 0
;;
esac
done
# vim: ai:ts=4:sw=4:et