drbl 2.20.11-4 / usr / sbin / drbl-syslinux-netinstall

#!/bin/bash
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
# Description: Download the netinstall kernel & initrd and package them as a zip file for USB flash drive to boot and install GNU/Linux.
# This program only works for syslinux >= 6.0 because the EFI boot is supported from syslinux >= 6.0.

DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"

. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
[ -e /etc/drbl/drbl-ocs.conf ] && . /etc/drbl/drbl-ocs.conf
[ -e $DRBL_SCRIPT_PATH/sbin/ocs-functions ] && . $DRBL_SCRIPT_PATH/sbin/ocs-functions

# Force to use boot loader "syslinux" although it's defined in /etc/drbl/drbl.conf. We swtiched to use syslinux 6.x EFI boot
live_efi_boot_loader="syslinux"

#
supported_dists="$(LC_ALL=C set | grep -i "_netinstall_ver" | awk -F"_" '{print $1}' | sort | uniq)"
supported_dists="$(echo $supported_dists)" # To make it one line
supported_dists_with_comma="$(echo $supported_dists | sed -e "s/ /, /g")"

USAGE() {
  echo "Download GNU/Linux netinstall kernel and initrd and package them as a zip file for USB flash drive to boot and install GNU/Linux."
  echo "Usage: $0 [OPTION] [DIR]"
  echo "OPTION:"
  echo "-a, --file-name-prefix NAME    Assign the output file name as NAME.zip. $0 will auto append '.zip' in the end of filename."
  echo "-d, --dist DIST:       Create GNU/Linux DIST netinstall zip. DIST is one of these: $supported_dists_with_comma. If this option is not assigned, all the supported GNU/Linux netinstall files will be included."
  echo "-i, --assign-version-no NO  Assign the version number as NO instead of date."
  echo "-s, --syslinux-ver NO  Assign the syslinux version number to be used as NO ."
}

#############
###  MAIN ###
#############
#
# Parse command-line options
while [ $# -gt 0 ]; do
  case "$1" in
    -a|--file-name-prefix)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              target_zip_prefix="$1"
              shift
            fi
	    [ -z "$target_zip_prefix" ] && USAGE && exit 1
            ;;
    -d|--dist)
        shift; mode="install"
        if [ -z "$(echo $1 |grep ^-.)" ]; then
          # skip the -xx option, in case 
          GL_INST="$1"
          [ -z "$GL_INST" ] && USAGE && exit 1
	  shift
        fi
	;;
    -i|--assign-version-no)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              version_no="$1"
              shift
            fi
	    [ -z "$version_no" ] && USAGE && exit 1
            ;;
    -s|--syslinux-ver)
            shift
            if [ -z "$(echo $1 |grep ^-.)" ]; then
              # skip the -xx option, in case 
              syslinux_ver_no="$1"
              shift
            fi
	    [ -z "$syslinux_ver_no" ] && USAGE && exit 1
            ;;
    -*)     echo "${0}: ${1}: invalid option" >&2
            USAGE >& 2
            exit 2 ;;
    *)      break ;;
  esac
done
#
target_d="$1"
# if working dir is not assigned, create one
if [ -z "$target_d" ]; then
  target_d="$(mktemp -d /tmp/netinstall.XXXXXX)"
  echo "Working dir: $target_d"
fi
if [ -z "$GL_INST" ]; then
  GL_INST="all"
else
  # Check if it is in the supported distributions.
  for i in $GL_INST; do
    if [ -z "$(echo $supported_dists | grep -Ew $i)" ]; then
     echo "\"$GL_INST\" is not a supported distribution."
     echo "Supported ones are (case sensitive): $supported_dists."
     exit 1
    fi
  done
fi

[ -z "$version_no" ] && version_no="$(date +%Y%m%d)"
zip_label_tag="${version_no}"
if [ -n "$target_zip_prefix" ]; then
  output_filename="${target_zip_prefix}.zip"
else
  output_filename="linux-netinstall-${zip_label_tag}.zip"
fi
echo "The output file name is: $output_filename."

WD="$(pwd)"
mkdir -p $target_d/syslinux/ $target_d/live/ $target_d/EFI/boot/
cp -af $pxelinux_bg_img $target_d/syslinux/
cp -af $pxelinux_bg_img $target_d/EFI/boot/

echo "The following action will download a lot of network install packages, including these distributions: $GL_INST. This might take a long time..."
echo 'If you want to assign the url, check "netinstall image settings" in drbl.conf.'
drbl-netinstall -w --skip-rerun-gen -i "$GL_INST" -d $target_d/live/

echo "Generating default pxelinux config $target_d/syslinux/syslinux.cfg..."
echo "Adding menus..."
cat <<-PXE_END > $target_d/syslinux/syslinux.cfg
# Created by generate-pxe-menu! Do NOT edit unless you know what you are doing! 
# Keep those comment "MENU DEFAULT" and "MENU HIDE"! Do NOT remove them.
# Note!!! If "serial" directive exists, it must be the first directive
default vesamenu.c32
timeout 70
prompt 0
noescape 1
MENU MARGIN 5
MENU BACKGROUND drblwp.png
# Set the color for unselected menu item and timout message
MENU COLOR UNSEL 7;32;41 #c0000090 #00000000
MENU COLOR TIMEOUT_MSG 7;32;41 #c0000090 #00000000
MENU COLOR TIMEOUT 7;32;41 #c0000090 #00000000
MENU COLOR HELP 7;32;41 #c0000090 #00000000

# MENU MASTER PASSWD

say **********************************************
say Welcome to DRBL.
say NCHC Free Software Labs, Taiwan.
say http://drbl.org; http://drbl.nchc.org.tw
say **********************************************

# Allow client to edit the parameters
ALLOWOPTIONS 1

# simple menu title
MENU TITLE DRBL (http://drbl.org)

PXE_END

# Creating the boot menu, 2 types: for BIOS and EFI
# 1. The boot menu for BIOS machine
# //NOTE// the / in the end of /live/ for -p option is important. Do not remove it. 
# Because we use that in syslinux.cfg like:
# kernel $boot_file_dir$kernel
# append initrd=$boot_file_dir$img $ramdisk_size_opt $extra_append
output_netinstall_syslinux_pxelinux_menu -p /live/ $target_d/live/ $target_d/syslinux/syslinux.cfg

# Turn on all menus before copying to EFI dir
perl -pi -e "s/^(#|[[:space:]])*MENU HIDE.*/  # MENU HIDE/i" $target_d/syslinux/syslinux.cfg

# 2. The boot menu for EFI machine
cp -a $target_d/syslinux/syslinux.cfg $target_d/EFI/boot/
perl -pi -e "s/Boot menu for BIOS machine/Boot menu for EFI machinie/g" $target_d/EFI/boot/syslinux.cfg

echo "Preparing syslinux.exe, syslinux, makeboot.bat and makeboot.sh... "
put_syslinux_makeboot_for_usb_flash $target_d/ "$syslinux_ver_no"

cp -af $DRBL_SCRIPT_PATH/doc/GPL $target_d/

(cd $target_d; zip -r $WD/$output_filename *)
echo "The netinstall file $output_filename was created."

echo "*******************************************************************"
if [ -n "$target_d" -a -d "$target_d" ]; then
  echo "Do you want to remove the downloaded files in dir $target_d?"
  echo -n "[y/N] "
  read rm_files
  case "$rm_files" in
     y|Y|[yY][eE][sS])
       # Some checkings to avoid to remove the /
       if [ -n "$target_d" -a -d "$target_d/syslinux/" -a -f "$target_d/COPYING" ]; then
	  rm -rf $target_d
       fi
       ;;
  esac
fi