add unified build script and named argument parser
This commit is contained in:
ading2210
parent
2cc9277c15
commit
9840555faa
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@ -0,0 +1,105 @@
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#!/bin/bash
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set -e
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if [ "$DEBUG" ]; then
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set -x
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export DEBUG=1
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fi
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. ./common.sh
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if [ "$EUID" -ne 0 ]; then
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echo "This script must be run as root."
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exit 1
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fi
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if [ -z "$1" ]; then
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echo "Usage: ./build_complete.sh board_name"
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echo "Valid named arguments (specify with 'key=value'):"
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echo " compress_img - Compress the final disk image into a zip file. Set this to any value to enable this option."
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exit 1
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fi
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cleanup_path=""
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sigint_handler() {
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if [ $cleanup_path ]; then
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rm -rf $cleanup_path
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fi
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exit 1
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}
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trap sigint_handler SIGINT
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base_dir="$(realpath $(dirname "$0"))"
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board="$1"
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shim_url="https://dl.osu.bio/api/raw/?path=/SH1mmer/$board.zip"
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boards_url="https://chromiumdash.appspot.com/cros/fetch_serving_builds?deviceCategory=ChromeOS"
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echo "downloading list of recovery images"
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reco_url="$(wget -qO- --show-progress $boards_url | python3 -c '
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import json, sys
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all_builds = json.load(sys.stdin)
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board = all_builds["builds"][sys.argv[1]]
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if "models" in board:
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board = next(iter(board["models"].values()))
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reco_url = list(board["pushRecoveries"].values())[-1]
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print(reco_url)
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' $board)"
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echo "found url: $reco_url"
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shim_bin="$base_dir/data/shim_$board.bin"
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shim_zip="$base_dir/data/shim_$board.zip"
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reco_bin="$base_dir/data/reco_$board.bin"
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reco_zip="$base_dir/data/reco_$board.zip"
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mkdir -p "$base_dir/data"
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download_and_unzip() {
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local url="$1"
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local zip_path="$2"
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local bin_path="$3"
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if [ ! -f "$bin_path" ]; then
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wget -q --show-progress $url -O $zip_path -c
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fi
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if [ ! -f "$bin_path" ]; then
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cleanup_path="$bin_path"
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echo "extracting $zip_path"
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local total_bytes="$(unzip -lq $zip_path | tail -1 | xargs | cut -d' ' -f1)"
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unzip -p $zip_path | pv -s $total_bytes > $bin_path
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rm -rf $zip_path
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cleanup_path=""
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fi
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}
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echo "downloading recovery image"
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download_and_unzip $reco_url $reco_zip $reco_bin
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echo "downloading shim image"
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download_and_unzip $shim_url $shim_zip $shim_bin
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rootfs_dir="$(realpath data/rootfs_$board)"
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rm -rf $rootfs_dir
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mkdir -p $rootfs_dir
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echo "building debian rootfs"
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./build_rootfs.sh $rootfs_dir bookworm \
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hostname=shimboot-$board \
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root_passwd=root \
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username=user \
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user_passwd=user
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echo "patching debian rootfs"
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./patch_rootfs.sh $shim_bin $reco_bin $rootfs_dir
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echo "building final disk image"
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final_image="$base_dir/data/shimboot_$board.bin"
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./build.sh $final_image $shim_bin data/rootfs
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echo "build complete! the final disk image is located at $final_image"
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if [ "${args['compress_img']}" ]; then
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image_zip="$base_dir/data/shimboot_$board.zip"
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echo "compressing disk image into a zip file"
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zip -j $image_zip $final_image
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echo "finished compressing the disk file"
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echo "the finished zip file can be found at $image_zip"
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fi
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@ -7,55 +7,56 @@ if [ "$DEBUG" ]; then
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set -x
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fi
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print_help() {
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echo "Usage: ./build_rootfs.sh rootfs_path release_name [custom_packages]"
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}
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check_deps() {
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local needed_commands="realpath debootstrap"
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for command in $needed_commands; do
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if ! command -v $command &> /dev/null; then
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echo $command
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fi
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done
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}
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. ./common.sh
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if [ "$EUID" -ne 0 ]; then
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echo "this needs to be run as root."
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echo "This script must be run as root."
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exit 1
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fi
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if [ -z "$2" ]; then
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print_help
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echo "Usage: ./build_rootfs.sh rootfs_path release_name"
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echo "Valid named arguments (specify with 'key=value'):"
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echo " custom_packages - The packages that will be installed in place of task-xfce-desktop."
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echo " hostname - The hostname for the new rootfs."
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echo " root_passwd - The root password."
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echo " username - The unprivileged user name for the new rootfs."
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echo " user_passwd - The password for the unprivileged user."
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echo "If you do not specify the hostname and credentials, you will be prompted for them later."
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exit 1
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fi
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missing_commands=$(check_deps)
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if [ "${missing_commands}" ]; then
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echo "You are missing dependencies needed for this script."
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echo "Commands needed:"
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echo "${missing_commands}"
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exit 1
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fi
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assert_deps "realpath debootstrap"
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parse_args "$@"
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rootfs_dir=$(realpath "${1}")
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release_name="${2}"
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packages="${3-'task-xfce-desktop'}"
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packages="${args['custom_packages']-'task-xfce-desktop'}"
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chroot_mounts="proc sys dev run"
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unmount_all() {
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for mountpoint in $chroot_mounts; do
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umount -l "$rootfs_dir/$mountpoint"
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done
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}
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debootstrap --arch amd64 $release_name $rootfs_dir http://deb.debian.org/debian/
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cp -ar rootfs/* $rootfs_dir
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cp /etc/resolv.conf $rootfs_dir/etc/resolv.conf
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chroot_mounts="proc sys dev run"
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trap unmount_all EXIT
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for mountpoint in $chroot_mounts; do
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mount --make-rslave --rbind "/${mountpoint}" "${rootfs_dir}/$mountpoint"
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done
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chroot_command="/opt/setup_rootfs.sh '$DEBUG' '$release_name' '$packages'"
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chroot $rootfs_dir /bin/bash -c "${chroot_command}"
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hostname="${args['hostname']}"
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root_passwd="${args['root_passwd']}"
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username="${args['username']}"
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user_passwd="${args['user_passwd']}"
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for mountpoint in $chroot_mounts; do
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umount -l "${rootfs_dir}/$mountpoint"
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done
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chroot_command="/opt/setup_rootfs.sh '$DEBUG' '$release_name' '$packages' '$hostname' '$root_passwd' '$username' '$user_passwd'"
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chroot $rootfs_dir /bin/bash -c "${chroot_command}"
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trap - EXIT
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unmount_all
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echo "rootfs has been created"
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@ -0,0 +1,31 @@
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#!/bin/bash
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check_deps() {
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local needed_commands="$1"
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for command in $needed_commands; do
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if ! command -v $command &> /dev/null; then
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echo $command
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fi
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done
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}
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assert_deps() {
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local needed_commands="$1"
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local missing_commands=$(check_deps "$needed_commands")
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if [ "${missing_commands}" ]; then
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echo "You are missing dependencies needed for this script."
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echo "Commands needed:"
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echo "${missing_commands}"
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exit 1
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fi
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}
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parse_args() {
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declare -g -A args
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for argument in "$@"; do
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local key=$(echo $argument | cut -f1 -d=)
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local key_length=${#key}
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local value="${argument:$key_length+1}"
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args["$key"]="$value"
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done
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}
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@ -3,19 +3,26 @@
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#setup the debian rootfs
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#this is meant to be run within the chroot created by debootstrap
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DEBUG="$1"
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release_name="$2"
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packages="$3"
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set -e
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if [ "$DEBUG" ]; then
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set -x
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fi
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DEBUG="$1"
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release_name="$2"
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packages="$3"
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hostname="$4"
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root_passwd="$5"
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username="$6"
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user_passwd="$7"
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custom_repo="https://shimboot.ading.dev/debian"
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custom_repo_domain="shimboot.ading.dev"
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sources_entry="deb [trusted=yes arch=amd64] ${custom_repo} ${release_name} main"
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export DEBIAN_FRONTEND=noninteractive
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#add shimboot repos
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echo -e "${sources_entry}\n$(cat /etc/apt/sources.list)" > /etc/apt/sources.list
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tee -a /etc/apt/preferences << END
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@ -43,7 +50,9 @@ PERCENT=50
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END
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#set up hostname and username
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read -p "Enter the hostname for the system: " hostname
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if [ ! "$hostname" ]; then
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read -p "Enter the hostname for the system: " hostname
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fi
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echo "${hostname}" > /etc/hostname
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tee -a /etc/hosts << END
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127.0.0.1 localhost
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@ -56,16 +65,27 @@ ff02::2 ip6-allrouters
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END
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echo "Enter a root password:"
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while ! passwd root; do
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if [ ! "$root_passwd" ]; then
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while ! passwd root; do
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echo "Failed to set password, please try again."
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done
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done
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else
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yes "$root_passwd" | passwd root
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fi
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read -p "Enter the username for the user account: " username
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if [ ! $username ]; then
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read -p "Enter the username for the user account: " username
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fi
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useradd -m -s /bin/bash -G sudo $username
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echo "Enter the password for ${username}:"
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while ! passwd $username; do
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if [ ! "$user_passwd" ]; then
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echo "Enter the password for ${username}:"
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while ! passwd $username; do
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echo "Failed to set password, please try again."
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done
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done
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else
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yes "$user_passwd" | passwd $username
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fi
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#clean apt caches
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apt-get clean
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