#!/bin/bash set -e START_DIR_DONT_CHANGE=`pwd` SELF=$(basename "$0") # required config items CONFFILE=$HOME/.libburnia-releng/${SELF}.conf GEN_DATA_DIR=releng_generated_data/${SELF} TMP_DATA_DIR=releng_generated_data IMG_EXTRACT_DIR=${GEN_DATA_DIR}/${SELF}_extracted_tree # to be set by the config file RELENG_XORRISO="" RELENG_DIR="${IMG_EXTRACT_DIR}" RELENG_ISOLINUX_BIN="isolinux/isolinux.bin" RELENG_BOOT_CAT="isolinux/boot.cat" RELENG_IMG=cimage KEEP=0 RES="" REMOTE_URL="http://cdimage.debian.org/cdimage/daily-builds/daily/current/i386/iso-cd" REMOTE_IMG="debian-testing-i386-businesscard.iso" print_help() { cat << HLP Usage: ${SELF} -help # using a config file ${CONFFILE} ${SELF} -rc [-keep] # without using a config file ${SELF} /path/to/xorriso # cleanup test generated data directory and exit ${SELF} -cleanup HLP } cleanup() { # safety net, just in case -> we want to be in the starting # directory before removing whatever self-generated stuff cd "${START_DIR_DONT_CHANGE}" || exit 15 chmod +w -R ${GEN_DATA_DIR} rm -rf ${GEN_DATA_DIR} printf "${SELF}: Removed %s\n" ${GEN_DATA_DIR} } ##################################################################### # cleanup if [ "${1}" == "-cleanup" ]; then if [ -d "${GEN_DATA_DIR}" ]; then cleanup else printf "${SELF}: ${GEN_DATA_DIR} does not exist.\n" fi exit 0 fi # help if [ ! "${1}" ]; then print_help && exit 3 # config file elif [ "${1}" == "-rc" -a "${2}" == "-keep" ]; then KEEP=1 if [ -e ${CONFFILE} ]; then . ${CONFFILE} printf "${SELF}: Using config file %s\n" ${CONFFILE} else echo -e "\n${SELF}: Config file ${CONFFILE} not found.\n" && exit 4 fi elif [ "${1}" == "-rc" -a ! "${2}" ]; then KEEP=0 if [ -e ${CONFFILE} ]; then . ${CONFFILE} printf "${SELF}: Using config file %s\n" ${CONFFILE} else echo -e "\n${SELF}: Config file ${CONFFILE} not found.\n" && exit 4 fi # cmdline option elif [ -x "${1}" ]; then RELENG_XORRISO="${1}" # the rest else print_help && exit 5 fi # if [ "${RELENG_XORRISO}" == "" -o "${RELENG_DIR}" == "" -o "${RELENG_IMG}" == "" ]; then echo -e "\n${SELF}: xorriso_cmd IN_dir and OUT_image are required\n" exit 6 fi if [ ! -x "${RELENG_XORRISO}" ]; then printf "${SELF}: $RELENG_XORRISO not found or not an executable.\n" exit 7 fi # data dir if [ -d "${GEN_DATA_DIR}" ]; then printf "\n${SELF}: directory %s exists!" ${GEN_DATA_DIR} printf "\n${SELF}: use '${SELF} -cleanup' to remove.\n" exit 8 else mkdir "${GEN_DATA_DIR}" fi # all must be set at this point printf "${SELF}: Config items:" printf "\n\txorriso_cmd=${RELENG_XORRISO}\n\tIN_dir=${RELENG_DIR}\n\tOUT_image=${RELENG_IMG}.iso" printf "\n\tIN_isolinux=${RELENG_ISOLINUX_BIN}\n\tOUT_bootcat=${RELENG_BOOT_CAT}\n" RES="${RELENG_IMG}.iso ${RELENG_IMG}.new ${RELENG_IMG}.md5 ${RELENG_IMG}.jigdo ${RELENG_IMG}.template" # xorriso version details, incl. underlying libraries "${RELENG_XORRISO}" -version if ! "${RELENG_XORRISO}" -version | grep libjte >/dev/null 2>&1; then printf "\n${SELF}: JTE not supported with this xorriso build. Install jigit and rebuild." printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n" exit 9 fi # remove cruft from previous runs # rm -f ${RES} # grab remote ISO image, to decompose if [ ! -f "${TMP_DATA_DIR}"/"${REMOTE_IMG}" ]; then printf "\n${SELF}: Downloading ${REMOTE_URL}/${REMOTE_IMG}\n" wget --no-check-certificate -T20 -t3 -O \ "${TMP_DATA_DIR}"/"${REMOTE_IMG}" "${REMOTE_URL}"/"${REMOTE_IMG}" WGET_RET="$?" case ${WGET_RET} in 0) echo -e "\n${SELF}: Downloading successfully completed.\n" ;; *) echo -e "\n${SELF}: FAIL: wget returned code: $WGET_RET\n" exit 10 ;; esac else printf "\n${SELF}: Found ISO image: ${TMP_DATA_DIR}/${REMOTE_IMG}\n" fi # check for extraction directory existence if [ -d "${IMG_EXTRACT_DIR}" ]; then printf "\n${SELF}: Found ${IMG_EXTRACT_DIR}. Please cleanup.\n" exit 11 else mkdir "${IMG_EXTRACT_DIR}" fi # extract image content CMD_EXTRACT="${RELENG_XORRISO} -indev ${TMP_DATA_DIR}/${REMOTE_IMG} \ -osirrox on:auto_chmod_on \ -extract / ${IMG_EXTRACT_DIR} \ " echo -e "${SELF}: Extracting ISO image:\n${CMD_EXTRACT}\n" set +e ${CMD_EXTRACT} set -e # grab an MBR ISOHYBRID_MBR="${GEN_DATA_DIR}/isohybrid.mbr" dd if="${TMP_DATA_DIR}/${REMOTE_IMG}" bs=1K count=32 of="${ISOHYBRID_MBR}" # create FAT partition APPEND_PART="${GEN_DATA_DIR}/fatpart.fat" /sbin/mkfs.msdos -n Bla -C "${APPEND_PART}" 8192 # GENERAL section CMD="${RELENG_XORRISO} \ -as mkisofs \ -quiet \ -o ${GEN_DATA_DIR}/${RELENG_IMG}.iso \ -R \ -V ISOJIGDO \ -partition_offset 16 \ -J -joliet-long \ " # BOOT section if [ -f "${IMG_EXTRACT_DIR}"/"${RELENG_ISOLINUX_BIN}" -a -f "${ISOHYBRID_MBR}" -a -f "${APPEND_PART}" ]; then CMD+="\ -b ${RELENG_ISOLINUX_BIN} \ -c ${RELENG_BOOT_CAT} \ -no-emul-boot -boot-load-size 4 -boot-info-table \ -isohybrid-mbr ${ISOHYBRID_MBR} \ -partition_offset 16 \ -append_partition 2 0x01 ${APPEND_PART} \ " else printf "\n${SELF}: FAIL to compose the boot section.\n" exit 12 fi # JIGDO section JIGDO_JIGDO=${GEN_DATA_DIR}/${RELENG_IMG}.jigdo JIGDO_TEMPLATE=${GEN_DATA_DIR}/${RELENG_IMG}.template JIGDO_MAP_RHV=`readlink -e ${RELENG_DIR}` JIGDO_MAP="Debian=${JIGDO_MAP_RHV}/" # create jigdo MD5 list in base64 format JIGDO_GEN_MD5=${GEN_DATA_DIR}/${RELENG_IMG}.md5 if which jigdo-gen-md5-list >/dev/null 2>&1; then printf "${SELF}: Creating MD5 list in hex format in ${JIGDO_GEN_MD5}..." jigdo-gen-md5-list ${RELENG_DIR} > ${JIGDO_GEN_MD5} printf "Done.\n" else printf "\n${SELF}: Not found: jigdo-gen-md5-list. Install jigit." printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n" exit 13 fi CMD+="\ -jigdo-template-compress gzip \ -checksum_algorithm_iso md5,sha1,sha256,sha512 \ -checksum_algorithm_template md5,sha1,sha256,sha512 \ -jigdo-jigdo ${JIGDO_JIGDO} \ -jigdo-template ${JIGDO_TEMPLATE} \ -jigdo-map ${JIGDO_MAP} \ -md5-list ${JIGDO_GEN_MD5} \ -jigdo-min-file-size 1024 \ " CMD+="${RELENG_DIR}" # Run the whole compound command echo -e "${SELF}: Creating ISO and jigdo representations:\n$CMD\n" ${CMD} # Create another imange this time from jigdo files if which jigit-mkimage >/dev/null 2>&1; then printf "${SELF}: Creating new ISO from jigdo files..." jigit-mkimage \ -t ${JIGDO_TEMPLATE} \ -j ${JIGDO_JIGDO} \ -m ${JIGDO_MAP} \ -o ${GEN_DATA_DIR}/${RELENG_IMG}.new printf "Done.\n" else printf "\n${SELF}: Not found: jigit-mkimage. Install jigit." printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n" exit 14 fi # trap the exit code of diff and let the Universe explode diff ${GEN_DATA_DIR}/${RELENG_IMG}.iso ${GEN_DATA_DIR}/${RELENG_IMG}.new DIFF_RET="$?" case ${DIFF_RET} in 0) echo -e "${SELF}: diff ${GEN_DATA_DIR}/${RELENG_IMG}.iso ${GEN_DATA_DIR}/${RELENG_IMG}.new matched.\n" ;; *) echo -e "${SELF}: FAIL: diff returned code: $DIFF_RET\n" ;; esac # sort out the cruft if [ ${KEEP} -eq 0 ]; then cleanup else printf "${SELF}: Leaving %s\n" ${GEN_DATA_DIR} fi # last hints printf "\n${SELF}: HINT: manual checks remained to be done:\n" printf " * ${RELENG_IMG}.img boots from USB stick and/or optical media.\n" printf " * appended FAT partition is mountable.\n" printf " * xorriso -indev ${RELENG_IMG}.iso -pvd_info\n" printf " * fdisk -lu ${RELENG_IMG}.iso\n" exit 0