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