171 lines
4.0 KiB
Bash
Executable File
171 lines
4.0 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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# required config items
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XOR=""
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DIR=""
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IMG=""
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# optional config items
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ISOLINUX_BIN=""
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BOOT_CAT=""
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CONFFILE=$HOME/releng_build_isojigdo.conf
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CLEAN=0
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print_help() {
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cat << HLP
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Usage:
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$0 -help
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# using a config file ${CONFFILE}
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$0 -rc [-clean]
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config file content:
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XOR=/path/to/xorriso
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DIR=/path/to/input_dir
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IMG=/path/to/out_image
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ISOLINUX_BIN=/path/to/isolinux.bin
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BOOT_CAT=/path/to/boot.cat
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# without using a config file
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$0 xorriso_cmd IN_dir OUT_image [IN_isolinux] [IN_bootcat] [-clean]
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HLP
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}
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# help
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if [ ! "${1}" -o "${1}" == "-help" ]; then print_help && exit 0; fi
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# config file
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if [ "${1}" == "-rc" ]; then
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if [ -e ${CONFFILE} ]; then
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. ${CONFFILE}
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printf "$0: Using config file %s\n" ${CONFFILE}
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else
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echo -e "\n$0: Config file ${CONFFILE} not found.\n" && exit 1
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fi
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if [ "${2}" == "-clean" ]; then CLEAN=1; fi
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# command line args
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elif [ "${3}" ]; then
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XOR="${1}"
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DIR="${2}"
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IMG="${3}"
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if [ "{4}" ]; then
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ISOLINUX_BIN="${4}"
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if [ "{5}" ]; then BOOT_CAT="${5}"; fi
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if [ "${4}" == "-clean" -o "${5}" == "-clean" -o "${6}" == "-clean" ]; then CLEAN=1; fi
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fi
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# the rest
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else
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print_help && exit 0
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fi
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if [ "${XOR}" == "" -o "${DIR}" == "" -o "${IMG}" == "" ]; then
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echo -e "\n$0: xorriso_cmd IN_dir and OUT_image are required\n"
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exit 1
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fi
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# all must be set at this point
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printf "$0: Config items:"
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printf "\n\txorriso_cmd=${XOR}\n\tIN_dir=${DIR}\n\tOUT_image=${IMG}.iso"
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printf "\n\tIN_isolinux=${ISOLINUX_BIN}\n\tIN_bootcat=${BOOT_CAT}\n"
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RES="${IMG}.iso ${IMG}.new ${IMG}.md5 ${IMG}.jigdo ${IMG}.template"
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############################################################
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main() {
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# remove cruft from previous runs
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# rm -f ${RES}
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# grab an MBR
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# dd if=some.iso bs=1K count=32 of=somembr.sysarea
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# create FAT partition
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# /sbin/mkfs.msdos -n Bla -C fatpart.fat 8192
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# create MD5 list in base64 format
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if which jigdo-gen-md5-list >/dev/null 2>&1; then
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printf "$0: Creating MD5 list in hex format..."
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jigdo-gen-md5-list ${DIR} > ${IMG}.md5
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printf "Done.\n"
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else
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printf "\n$0: Not found: jigdo-gen-md5-list. Install jigit.\n"
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exit 1
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fi
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# build the command - general section
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CMD="${XOR} \
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-as mkisofs \
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-quiet \
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-o ${IMG}.iso \
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-R \
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-V ISOJIGDO \
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-partition_offset 16 \
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-J -joliet-long \
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"
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# boot section TODO
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#if [ "${5}" -a "${6}" ]; then
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#CMD+=\
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# -b boot/isolinux/isolinux.bin \ # $5
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# -c boot/boot.cat \ # $6
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# -no-emul-boot -boot-load-size 4 -boot-info-table \
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# -isohybrid-mbr somembr.sysarea \ # TODO: figure out where to grab one
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# -partition_offset 16 \
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# -append_partition 2 0x01 fatpart.fat \
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#fi
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# jigdo section
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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 ${IMG}.jigdo \
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-jigdo-template ${IMG}.template \
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-jigdo-map Debian=${DIR} \
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-md5-list ${IMG}.md5 \
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-jigdo-min-file-size 1024 \
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"
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CMD+="${DIR}"
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# run it
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echo -e "$0: Creating ISO and jigdo representations:\n$CMD\n"
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${CMD}
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# create another one from jigdo files
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jigit-mkimage \
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-t ${IMG}.template \
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-j ${IMG}.jigdo \
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-m Debian=${DIR} \
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-o ${IMG}.new
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# trap the exit code of diff and let the Universe explode
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diff ${IMG}.iso ${IMG}.new
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DIFF_RET="$?"
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case ${DIFF_RET} in
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0)
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echo -e "$0: diff ${IMG}.iso ${IMG}.new matched.\n"
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;;
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*)
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echo -e "$0: ATTN: 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 [ ${CLEAN} -eq 1 ]; then
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# safety net, just in case -> we want to be in the starting
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# directory before removing whatever self-generated stuff
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cd "${START_DIR_DONT_CHANGE}" || exit 1
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rm -f ${RES}
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printf "$0: removed %s\n" ${RES}
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else
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printf "$0: left %s\n" ${RES}
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fi
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# last hints
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printf "\n$0: HINT: manual checks remained to be done:\n"
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printf " * ${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 ${IMG}.iso -pvd_info\n"
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printf " * fdisk -lu ${IMG}.iso\n"
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}
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#
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main
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