99 lines
3.4 KiB
Bash
Executable File
99 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e -u
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iso_name=archlinux
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iso_label="ARCH_$(date +%Y%m)"
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iso_version=$(date +%Y.%m.%d)
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install_dir=arch
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arch=$(uname -m)
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work_dir=work
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out_dir=out
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script_path="$( cd -P "$( dirname "$(readlink -f "$0")" )" && pwd )"
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umask 0022
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# Helper function to run make_*() only one time per architecture.
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run_once() {
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if [[ ! -e "${work_dir}/build.${1}_${arch}" ]]; then
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"$1"
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touch "${work_dir}/build.${1}_${arch}"
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fi
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}
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# Base installation (airootfs)
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make_basefs() {
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mkarchiso -v -w "${work_dir}" -D "${install_dir}" init
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}
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# Copy mkinitcpio archiso hooks and build initramfs (airootfs)
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make_setup_mkinitcpio() {
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mkdir -p "${work_dir}/airootfs/etc/initcpio/hooks"
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mkdir -p "${work_dir}/airootfs/etc/initcpio/install"
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cp /usr/lib/initcpio/hooks/archiso "${work_dir}/airootfs/etc/initcpio/hooks"
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cp /usr/lib/initcpio/install/archiso "${work_dir}/airootfs/etc/initcpio/install"
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cp "${script_path}/mkinitcpio.conf" "${work_dir}/airootfs/etc/mkinitcpio-archiso.conf"
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mkarchiso -v -w "${work_dir}" -D "${install_dir}" \
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-r 'mkinitcpio -c /etc/mkinitcpio-archiso.conf -k /boot/vmlinuz-linux -g /boot/archiso.img' run
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}
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# Prepare working directory and copy custom airootfs files (airootfs)
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make_custom_airootfs() {
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local _airootfs="${work_dir}/airootfs"
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if [[ -d "${script_path}/airootfs" ]]; then
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cp -af --no-preserve=ownership -- "${script_path}/airootfs/." "${_airootfs}"
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[[ -e "${_airootfs}/etc/shadow" ]] && chmod -f 0400 -- "${_airootfs}/etc/shadow"
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fi
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}
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# Prepare ${install_dir}/boot/
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make_boot() {
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mkdir -p "${work_dir}/iso/${install_dir}/boot/${arch}"
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cp "${work_dir}/airootfs/boot/archiso.img" "${work_dir}/iso/${install_dir}/boot/${arch}/archiso.img"
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cp "${work_dir}/airootfs/boot/vmlinuz-linux" "${work_dir}/iso/${install_dir}/boot/${arch}/vmlinuz"
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}
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# Prepare /${install_dir}/boot/syslinux
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make_syslinux() {
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mkdir -p "${work_dir}/iso/${install_dir}/boot/syslinux"
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sed "s|%ARCHISO_LABEL%|${iso_label}|g;
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s|%INSTALL_DIR%|${install_dir}|g;
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s|%ARCH%|${arch}|g" "${script_path}/syslinux/syslinux.cfg" > \
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"${work_dir}/iso/${install_dir}/boot/syslinux/syslinux.cfg"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/ldlinux.c32" "${work_dir}/iso/${install_dir}/boot/syslinux/"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/menu.c32" "${work_dir}/iso/${install_dir}/boot/syslinux/"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/libutil.c32" "${work_dir}/iso/${install_dir}/boot/syslinux/"
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}
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# Prepare /isolinux
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make_isolinux() {
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mkdir -p "${work_dir}/iso/isolinux"
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sed "s|%INSTALL_DIR%|${install_dir}|g" "${script_path}/isolinux/isolinux.cfg" > \
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"${work_dir}/iso/isolinux/isolinux.cfg"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/isolinux.bin" "${work_dir}/iso/isolinux/"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/isohdpfx.bin" "${work_dir}/iso/isolinux/"
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cp "${work_dir}/airootfs/usr/lib/syslinux/bios/ldlinux.c32" "${work_dir}/iso/isolinux/"
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}
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# Build airootfs filesystem image
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make_prepare() {
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mkarchiso -v -w "${work_dir}" -D "${install_dir}" prepare
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}
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# Build ISO
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make_iso() {
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mkarchiso -v -w "${work_dir}" -D "${install_dir}" -L "${iso_label}" -o "${out_dir}" iso \
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"${iso_name}-${iso_version}-${arch}.iso"
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}
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run_once make_basefs
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run_once make_setup_mkinitcpio
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run_once make_custom_airootfs
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run_once make_boot
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run_once make_syslinux
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run_once make_isolinux
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run_once make_prepare
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run_once make_iso
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