98 lines
2.8 KiB
Bash
98 lines
2.8 KiB
Bash
#!/bin/bash
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function mount_rootfs() {
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mkdir -p chroot/dev chroot/dev/pts chroot/proc chroot/sys chroot/run
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sudo mount --bind /dev chroot/dev
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sudo mount --bind /dev/pts chroot/dev/pts
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sudo mount --bind /proc chroot/proc
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sudo mount --bind /sys chroot/sys
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sudo mount --bind /run chroot/run
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}
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function unmount_rootfs() {
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sudo umount chroot/dev/pts
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sudo umount chroot/dev
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sudo umount chroot/proc
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sudo umount chroot/sys
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sudo umount chroot/run
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}
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function chroot_cmd() {
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sudo env DEBIAN_FRONTEND=noninteractive chroot chroot "$@"
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}
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function chroot_apt() {
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chroot_cmd apt "$@"
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}
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function install_iso_build_deps() {
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sudo apt install -y debootstrap squashfs-tools syslinux xorriso p7zip-full
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}
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function debootstrap_base() {
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sudo debootstrap --arch=amd64 testing chroot https://mirrors.tuna.tsinghua.edu.cn/debian/
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}
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function update_sourcelists() {
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echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian/ testing main contrib non-free non-free-firmware" | sudo tee chroot/etc/apt/sources.list
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echo "deb-src https://mirrors.tuna.tsinghua.edu.cn/debian/ testing main contrib non-free non-free-firmware" | sudo tee -a chroot/etc/apt/sources.list
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}
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function chroot_install_base_packages() {
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chroot_apt update
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chroot_apt upgrade -y
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chroot_apt install -y zsh
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chroot_apt install -y live-boot live-config-systemd --no-install-recommends
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# chroot_apt install -y lxqt-core sddm-theme-debian-elarun
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chroot_apt install -y linux-image-amd64
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}
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function chroot_create_live_user() {
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chroot_cmd useradd -m -s /bin/bash live
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echo "live:live" | chroot_cmd chpasswd
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}
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function make_bootable() {
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cp "$(ls -1t chroot/boot/vmlinuz-* | head -n 1)" isoroot/vmlinuz
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cp "$(ls -1t chroot/boot/initrd.img-* | head -n 1)" isoroot/initrd
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mkdir isoroot/isolinux
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cp /usr/lib/ISOLINUX/isolinux.bin isoroot/isolinux
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cp /usr/lib/syslinux/modules/bios/ldlinux.c32 isoroot/isolinux
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cp ../isolinux.cfg isoroot/isolinux/isolinux.cfg
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cat > isoroot/isolinux/isolinux.cfg <<EOL
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DEFAULT live
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LABEL live
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MENU LABEL ^Boot Live System
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KERNEL /vmlinuz
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APPEND initrd=/initrd boot=live components
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EOL
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}
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function create_iso() {
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xorriso -as mkisofs -o ../debian-live.iso -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
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-c isolinux/boot.cat -b isolinux/isolinux.bin -no-emul-boot \
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-exclude chroot \
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-boot-load-size 4 -boot-info-table \
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./isoroot/
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7z l ../debian-live.iso
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}
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function main() {
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set -e
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install_iso_build_deps
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mkdir chroot
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debootstrap_base
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update_sourcelists
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mount_rootfs
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chroot_install_base_packages
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chroot_create_live_user
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unmount_rootfs
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mkdir -p isoroot/live
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sudo mksquashfs chroot/ isoroot/live/filesystem.squashfs -comp xz -e boot
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make_bootable
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create_iso
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}
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