135 lines
4.6 KiB
Bash
Executable File
135 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
|
||
# Notes {{{
|
||
# Mount or extract
|
||
# At the end, mounting or extracting the iso use the same disk space, but
|
||
# mount require root permissions, so i choose to extract the iso.
|
||
# }}}
|
||
|
||
# Vars {{{
|
||
DEBIAN_VERSION_NAME="stretch"
|
||
DEBIAN_VERSION_NB="9.6.0"
|
||
|
||
DEBIAN_ISO_DVD_URL="https://cdimage.debian.org/debian-cd/current/amd64/iso-dvd/debian-${DEBIAN_VERSION_NB}-amd64-DVD-1.iso"
|
||
DEBIAN_ISO_NETINST_URL="https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-${DEBIAN_VERSION_NB}-amd64-netinst.iso"
|
||
DEBIAN_ISO_MINI_URL="http://ftp.nl.debian.org/debian/dists/${DEBIAN_VERSION_NAME}/main/installer-amd64/current/images/netboot/mini.iso"
|
||
|
||
TEMP_DIR=$(mktemp -d -t new-preseed-debian-iso-XXXXXX.tmp)
|
||
TEMP_ISO_DIR="${TEMP_DIR}/extracted-iso"
|
||
TEMP_INITRD_DIR="${TEMP_DIR}/initrd"
|
||
|
||
DEBIAN_DL_ISO_PATH="${TEMP_DIR}/debian.iso"
|
||
DEBIAN_PRESEED_ISO_PATH="$(dirname ${TEMP_DIR})/preseed-debian-${DEBIAN_VERSION_NB}-amd64.iso"
|
||
# }}}
|
||
|
||
#USE_DEBIAN_ISO="${DEBIAN_ISO_DVD_URL}"
|
||
USE_DEBIAN_ISO="${DEBIAN_ISO_NETINST_URL}"
|
||
#USE_DEBIAN_ISO="${DEBIAN_ISO_MINI_URL}"
|
||
|
||
# Pre-requisites {{{
|
||
if [ ! $(command -v 7z) ]; then
|
||
printf '%b\n' "ERROR : Please install '7z' bin :\\nsudo apt install p7zip-full"
|
||
exit 1
|
||
fi
|
||
if [ ! $(command -v gzip) ]; then
|
||
printf '%b\n' "ERROR : Please install 'gzip' bin :\\nsudo apt install gzip"
|
||
exit 1
|
||
fi
|
||
if [ ! $(command -v xorriso) ]; then
|
||
printf '%b\n' "ERROR : Please install 'xorriso' bin :\\nsudo apt install xorriso"
|
||
exit 1
|
||
fi
|
||
if [ ! -f /usr/lib/ISOLINUX/isohdpfx.bin ]; then
|
||
printf '%b\n' "ERROR : Please install 'isolinux' package :\\nsudo apt install isolinux"
|
||
exit 1
|
||
fi
|
||
# }}}
|
||
|
||
# Test vars {{{
|
||
case $# in
|
||
1 )
|
||
PRESEED_FILE="${1}"
|
||
;;
|
||
2 )
|
||
PRESEED_FILE="${1}"
|
||
USER_TEMP_DIR="${2}"
|
||
## Check user temp dir argument
|
||
if [ ! -d "${USER_TEMP_DIR}" ]; then
|
||
printf '%b\n' "ERROR : The first argument should be the path to a directory."
|
||
exit 1
|
||
fi
|
||
TEMP_DIR=$(mktemp -d -t debian-iso-XXXXXX.tmp -p "${USER_TEMP_DIR}")
|
||
;;
|
||
* )
|
||
printf '%b\n' "Usage :"
|
||
printf '%b\n' "$(basename ${0}) PRESEED_FILE_PATH [TEMP_DIR]"
|
||
printf '%b\n' "-------"
|
||
printf '%b\n' "PRESEED_FILE_PATH : Required"
|
||
printf '%b\n' "Should be the absolut path to the preseed file you want to add to the ISO."
|
||
printf '%b\n' "-------"
|
||
printf '%b\n' "TEMP_DIR : Optionnal"
|
||
printf '%b\n' "If you want to store temporary files and final ISO in a specific directory."
|
||
printf '%b\n' "Note : This script require ISO size × 2 (eg for DVD. 3.4GB × 2)."
|
||
printf '%b\n' "Otherwise \$TMPDIR will be used."
|
||
;;
|
||
esac
|
||
|
||
## Check preseed argument
|
||
if [ ! -f "${PRESEED_FILE}" ]; then
|
||
printf '%b\n' "ERROR : The first argument should be the path to preseed file to add."
|
||
exit 1
|
||
fi
|
||
# }}}
|
||
|
||
# Download and extract ISO {{{
|
||
wget -q "${USE_DEBIAN_ISO}" -O "${DEBIAN_DL_ISO_PATH}"
|
||
command 7z x -o"${TEMP_ISO_DIR}" -- "${DEBIAN_DL_ISO_PATH}" > /dev/null
|
||
rm -rf -- "${DEBIAN_DL_ISO_PATH}"
|
||
# }}}
|
||
# Manage initrd.gz file {{{
|
||
mkdir -- "${TEMP_INITRD_DIR}"
|
||
## Exclude initrd.gz files from xen and gtk directories
|
||
INITRD_GZ_PATH=$(find "${TEMP_ISO_DIR}" -type f \( -path '*xen*' -o -path '*gtk*' \) -prune -o -name "initrd.gz" -print -quit)
|
||
|
||
## Copy it to a directory
|
||
cp -- "${INITRD_GZ_PATH}" "${TEMP_INITRD_DIR}" || exit 2
|
||
|
||
cd -- "${TEMP_INITRD_DIR}" > /dev/null || exit 2
|
||
## Uncompress initrd.gz then delete it
|
||
gunzip < initrd.gz | cpio --extract --quiet --make-directories --no-absolute-filenames >> /dev/null
|
||
rm -f -- initrd.gz
|
||
|
||
## Add preseed file
|
||
cp -- "${PRESEED_FILE}" preseed.cfg || exit 2
|
||
|
||
## Recompress to initrd.gz and move it back to the extracted files for ISO
|
||
find . -not -name initrd.gz | cpio --format=newc --create --quiet | gzip --best > initrd.gz
|
||
cp -- initrd.gz "${INITRD_GZ_PATH}" || exit 2
|
||
|
||
## Go back to previous directory and remove no longer useful files
|
||
cd - > /dev/null || exit 2
|
||
rm -rf -- "${TEMP_INITRD_DIR}"
|
||
|
||
## Fix permissions in install directory
|
||
chmod -w -R -- $(dirname -- "${INITRD_GZ_PATH}")
|
||
# }}}
|
||
# Generate new md5sum {{{
|
||
cd -- "${TEMP_ISO_DIR}" > /dev/null || exit 2
|
||
## Exclude some unwanted files
|
||
find . -follow -type f -not \( -name "md5sum.txt" -o -name 'mkisofs' -o -name 'Bootable_NoEmulation.img' -o -path '*isolinux*' \) -exec md5sum {} \; > ./md5sum.txt
|
||
cd - > /dev/null || exit 2
|
||
# }}}
|
||
# Generate new bootable iso {{{
|
||
xorriso -as mkisofs -o "${DEBIAN_PRESEED_ISO_PATH}" \
|
||
-quiet -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
|
||
-c isolinux/boot.cat -b isolinux/isolinux.bin -no-emul-boot \
|
||
-boot-load-size 4 -boot-info-table "${TEMP_ISO_DIR}"
|
||
|
||
## Then remove temp iso directory
|
||
rm -rf -- "${TEMP_ISO_DIR}"
|
||
|
||
# }}}
|
||
|
||
printf '%b\n' "The new ISO image is available : ${DEBIAN_PRESEED_ISO_PATH}"
|
||
|
||
exit 0
|