You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
libisoburn/releng/releng_isojigdo

212 lines
5.9 KiB

#!/bin/bash
set -e
START_DIR_DONT_CHANGE=`pwd`
SELF=$(basename "$0")
# required config items
RELENG_XORRISO=""
RELENG_DIR=""
RELENG_IMG=""
# optional config items
RELENG_ISOLINUX_BIN=""
RELENG_BOOT_CAT=""
CONFFILE=$HOME/.libburnia-releng/${SELF}.conf
GEN_DATA_DIR=releng_generated_data/${SELF}
KEEP=0
RES=""
print_help() {
cat << HLP
Usage:
${SELF} -help
# using a config file ${CONFFILE}
${SELF} -rc [-keep]
# without using a config file
${SELF} xorriso_cmd IN_dir OUT_image [IN_isolinux] [OUT_bootcat] [-keep]
# cleanup test generated data directory and exit
${SELF} -cleanup
HLP
}
#####################################################################
# cleanup
if [ "${1}" == "-cleanup" ]; then
cd "${START_DIR_DONT_CHANGE}" || exit 80
if [ -d "${GEN_DATA_DIR}" ]; then
rm -rf ${GEN_DATA_DIR}
printf "${SELF}: removed %s\n" ${GEN_DATA_DIR}
else
printf "${SELF}: ${GEN_DATA_DIR} does not exist.\n"
fi
exit 0
fi
# help
if [ ! "${1}" ]; then print_help && exit 10; fi
# config file
if [ "${1}" == "-rc" ]; then
if [ -e ${CONFFILE} ]; then
. ${CONFFILE}
printf "${SELF}: Using config file %s\n" ${CONFFILE}
else
echo -e "\n${SELF}: Config file ${CONFFILE} not found.\n" && exit 20
fi
if [ "${2}" == "-keep" ]; then KEEP=1; fi
# command line args
elif [ "${3}" ]; then
RELENG_XORRISO="${1}"
RELENG_DIR="${2}"
RELENG_IMG="${3}"
if [ "${4}" ]; then
RELENG_ISOLINUX_BIN="${4}"
if [ "${5}" ]; then RELENG_BOOT_CAT="${5}"; fi
if [ "${4}" == "-keep" -o "${5}" == "-keep" -o "${6}" == "-keep" ]; then KEEP=1; fi
fi
# the rest
else
print_help && exit 30
fi
# data dir
if [ -d "${GEN_DATA_DIR}" ]; then
printf "\n${SELF}: directory %s exists!" ${GEN_DATA_DIR}
printf "\n${SELF}: use '${SELF} -cleanup' to remove.\n"
exit 2
else
mkdir "${GEN_DATA_DIR}"
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 40
fi
if [ ! -x "${RELENG_XORRISO}" ]; then
printf "${SELF}: Not found or not an executable: $RELENG_XORRISO\n"
exit 50
fi
# all must be set at this point
printf "${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 51
fi
# remove cruft from previous runs
# rm -f ${RES}
# grab an MBR
# dd if=some.iso bs=1K count=32 of=somembr.sysarea
# create FAT partition
# /sbin/mkfs.msdos -n Bla -C fatpart.fat 8192
# create MD5 list in base64 format
if which jigdo-gen-md5-list >/dev/null 2>&1; then
printf "${SELF}: Creating MD5 list in hex format..."
jigdo-gen-md5-list ${RELENG_DIR} > ${GEN_DATA_DIR}/${RELENG_IMG}.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 60
fi
# build the command - 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 TODO
#if [ "${RELENG_ISOLINUX_BIN}" -a "${RELENG_BOOT_CAT}" ]; then
#CMD+=\
# -b ${RELENG_ISOLINUX_BIN} \ # NOTE: boot/isolinux/isolinux.bin
# -c ${RELENG_BOOT_CAT} \ # NOTE: boot/boot.cat
# -no-emul-boot -boot-load-size 4 -boot-info-table \
# -isohybrid-mbr somembr.sysarea \ # TODO: figure out where to grab one
# -partition_offset 16 \
# -append_partition 2 0x01 fatpart.fat \ # TODO: create one unconditionally?
#fi
# jigdo section
CMD+="\
-jigdo-template-compress gzip \
-checksum_algorithm_iso md5,sha1,sha256,sha512 \
-checksum_algorithm_template md5,sha1,sha256,sha512 \
-jigdo-jigdo ${GEN_DATA_DIR}/${RELENG_IMG}.jigdo \
-jigdo-template ${GEN_DATA_DIR}/${RELENG_IMG}.template \
-jigdo-map Debian=${RELENG_DIR} \
-md5-list ${GEN_DATA_DIR}/${RELENG_IMG}.md5 \
-jigdo-min-file-size 1024 \
"
CMD+="${RELENG_DIR}"
# run it
echo -e "${SELF}: Creating ISO and jigdo representations:\n$CMD\n"
${CMD}
# create another one from jigdo files
if which jigit-mkimage >/dev/null 2>&1; then
printf "${SELF}: Creating new ISO from jigdo files..."
jigit-mkimage \
-t ${GEN_DATA_DIR}/${RELENG_IMG}.template \
-j ${GEN_DATA_DIR}/${RELENG_IMG}.jigdo \
-m Debian=${RELENG_DIR} \
-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 70
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 [ ${KEEP} -eq 0 ]; then
# safety net, just in case -> we want to be in the starting
# directory before removing whatever self-generated stuff
cd "${START_DIR_DONT_CHANGE}" || exit 80
rm -rf ${GEN_DATA_DIR}
printf "${SELF}: removed %s\n" ${GEN_DATA_DIR}
else
printf "${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