manjaro-tools/bin/mkiso.in
2015-01-09 16:20:12 +01:00

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#!/bin/bash
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
version=@version@
[[ -r @libdir@/util-msg.sh ]] && source @libdir@/util-msg.sh
[[ -r @libdir@/util.sh ]] && source @libdir@/util.sh
PKGLIST=""
QUIET=true
FORCE=false
PACCONFIG="/etc/pacman.conf"
export LABEL="MANJARO_$(date +%Y%m)"
PUBLISHER="Manjaro Linux <http://www.manjaro.org>"
APPLICATION="Manjaro Linux Live/Rescue CD"
COMPRESSION="xz"
CREATE_DEFAULT=false
INSTALL_DIR="manjaro"
IMAGE_FOLDER="root-image"
APPNAME=$(basename "${0}")
MIRRORS=''
# usage: usage <exitvalue>
usage ()
{
echo "usage ${APPNAME} [options] command <command options>"
echo " general options:"
echo " -f Force overwrite of working files/squashfs image/bootable image"
echo " -p PACKAGE(S) Additional package(s) to install, can be used multiple times"
echo " -C <file> Config file for pacman. Default $PACCONFIG"
echo " -L <label> Set a label for the disk"
echo " -P <publisher> Set a publisher for the disk"
echo " -A <application> Set an application name for the disk"
echo " -a <arch> Set an architecture for the disk (example: i686)"
echo " -c <compressor> Set SquashFS compression type: gzip, xz or lzo. Default $COMPRESSION"
echo " NOTES:"
echo " xz: needs Linux >= 2.6.35 - you can add '-x' for better compression"
echo " lzo: needs Linux >= 2.6.36"
echo " -D <install_dir> Set an install_dir. All files will by located here on ISO (except for isolinux)"
echo " Default $INSTALL_DIR"
echo " NOTE: Max 8 characters, use only [a-z0-9]"
echo " -i <image_folder> Set an image_folder for installing selected packages to."
echo " Default $IMAGE_FOLDER"
echo " -d Create default user directory /home/manjaro"
echo " -v Enable verbose output"
echo " -M Pass pacman-morrors.conf"
echo " -h This message"
echo " commands:"
echo " create <dir>"
echo " create a base directory layout to work with"
echo " includes all specified packages"
echo " iso <dir> <image name>"
echo " build an iso image from the working dir"
exit $1
}
orig_argv=("$@")
while getopts 'p:C:L:P:A:a:c:M:D:i:dfvhx' arg; do
case "${arg}" in
p) PKGLIST="${PKGLIST} ${OPTARG}" ;;
C) PACCONFIG="${OPTARG}" ;;
L) LABEL="${OPTARG}" ;;
P) PUBLISHER="${OPTARG}" ;;
A) APPLICATION="${OPTARG}" ;;
a) ARCH="${OPTARG}" ;;
c) COMPRESSION="${OPTARG}" ;;
D) INSTALL_DIR="${OPTARG}" ;;
i) IMAGE_FOLDER="${OPTARG}" ;;
d) CREATE_DEFAULT=true ;;
f) FORCE=true ;;
x) HIGHCOMP=" -b 256K -Xbcj x86" ;;
v) QUIET=false ;;
M) MIRRORS="${OPTARG}" ;;
h|?) usage 0 ;;
*) echo "invalid argument '${arg}'"; usage 1 ;;
esac
done
if [ "${COMPRESSION}" != "xz" ]; then
HIGHCOMP=""
fi
#trim spaces
PKGLIST="$(echo $PKGLIST)"
shift $(($OPTIND - 1))
check_root "$0" "${orig_argv[@]}"
if [ ! -f "$PACCONFIG" ]; then
error "pacman config file '$PACCONFIG' does not exist"
fi
command_name="${1}"
work_dir=""
imgname=""
case "${command_name}" in
create) work_dir="${2}"; imgname="none" ;;
iso) work_dir="${2}"; imgname="${3}" ;;
*) error "Invalid command name ${command_name}" && usage 1 ;;
esac
[[ -z "${ARCH}" ]] && error "You need to specify an architecture:\ni686\nx86_64" && usage 1
[[ -z "${imgname}" ]] && msg "Image name must be specified" && usage 1
[[ -z "${work_dir}" ]] && msg "Please specify a working directory" && usage 1
msg "${APPNAME} : Configuration Settings"
msg2 "working directory: ${work_dir}"
msg2 "image name: ${imgname}"
msg2 "pacman_mirrors: ${MIRRORS}"
clean_up(){
msg2 "Cleaning up what we can"
if [ -d "${work_dir}/${IMAGE_FOLDER}/boot/" ]; then
# remove the initcpio images that were generated for the host system
find "${work_dir}/${IMAGE_FOLDER}/boot" -name 'initramfs*.img' -delete &>/dev/null
fi
if ${CREATE_DEFAULT}; then
if [ -d "${work_dir}/${IMAGE_FOLDER}/home/" ]; then
msg2 "Creating default home directory"
install -d -o1000 -g100 -m0755 "${work_dir}/${IMAGE_FOLDER}/home/${username}"
fi
fi
# Delete pacman database sync cache files (*.tar.gz)
find "${work_dir}/${IMAGE_FOLDER}/var/lib/pacman" -maxdepth 1 -type f -delete &>/dev/null
# Delete pacman database sync cache
find "${work_dir}/${IMAGE_FOLDER}/var/lib/pacman/sync" -delete &>/dev/null
# Delete pacman package cache
find "${work_dir}/${IMAGE_FOLDER}/var/cache/pacman/pkg" -type f -delete &>/dev/null
# Delete all log files, keeps empty dirs.
find "${work_dir}/${IMAGE_FOLDER}/var/log" -type f -delete &>/dev/null
# Delete all temporary files and dirs
find "${work_dir}/${IMAGE_FOLDER}/var/tmp" -mindepth 1 -delete &>/dev/null
# Delete all temporary files and dirs
find "${work_dir}/${IMAGE_FOLDER}/tmp" -mindepth 1 -delete &>/dev/null
}
_mkchroot(){
#local ret
if "${QUIET}"; then
setarch "${ARCH}" \
mkchroot -C ${PACCONFIG} \
-S ${MIRRORS} \
"${work_dir}/${IMAGE_FOLDER}" $@ &> /dev/null || die "Failed to retrieve one or more packages!"
else
setarch "${ARCH}" \
mkchroot -C ${PACCONFIG} \
-S ${MIRRORS} \
"${work_dir}/${IMAGE_FOLDER}" $@ || die "Failed to retrieve one or more packages!"
fi
if [ -e "${work_dir}/root-image/etc/locale.gen" ]; then
cp ${work_dir}/root-image/etc/locale.gen ${work_dir}/root-image/etc/locale.gen.bak
fi
# Cleanup
find "${work_dir}" -name *.pacnew -name *.pacsave -name *.pacorig -delete
}
command_create () {
mkdir -p "${work_dir}/iso/${INSTALL_DIR}/${ARCH}"
[[ -n "${PKGLIST}" ]] && _mkchroot "${PKGLIST}"
clean_up
}
# _mksquash dirname
_mksquash () {
if [ ! -d "$1" ]; then
error "$1 is not a directory"
return 1
fi
sqimg="${work_dir}/iso/${INSTALL_DIR}/${ARCH}/$(basename ${1}).sqfs"
msg "Generating SquashFS image for '${1}'"
if [ -e "${sqimg}" ]; then
dirhaschanged=$(find ${1} -newer ${sqimg})
msg2 "Possible changes for ${1}..." >> /tmp/mkiso.debug
msg2 "${dirhaschanged}" >> /tmp/mkiso.debug
if [ ! -z "${dirhaschanged}" ]; then
msg2 "SquashFS image '${sqimg}' is not up to date, rebuilding..."
rm "${sqimg}"
else
msg2 "SquashFS image '${sqimg}' is up to date, skipping."
return
fi
fi
msg2 "Creating SquashFS image. This may take some time..."
start=$(date +%s)
if "${QUIET}"; then
mksquashfs "${1}" "${sqimg}" -noappend -comp "${COMPRESSION}" ${HIGHCOMP} >/dev/null
else
mksquashfs "${1}" "${sqimg}" -noappend -comp "${COMPRESSION}" ${HIGHCOMP}
fi
minutes=$(echo $start $(date +%s) | awk '{ printf "%0.2f",($2-$1)/60 }')
msg "Image creation done in $minutes minutes."
}
_imgcommon () {
for d in $(find "${work_dir}" -maxdepth 1 -type d -name '[^.]*'); do
if [ "$d" != "${work_dir}/iso" -a \
"$(basename "$d")" != "iso" -a \
"$(basename "$d")" != "efiboot" -a \
"$d" != "${work_dir}" ]; then
_mksquash "$d"
fi
done
msg "Making bootable image"
# Sanity checks
if [ ! -d "${work_dir}/iso" ]; then
die "${work_dir}/iso doesn't exist. What did you do?!"
fi
if [ ! -f "${work_dir}/iso/${INSTALL_DIR}/isomounts" ]; then
error "The isomounts file doesn't exist. This image won't do anything"
die "Protecting you from yourself and erroring out here..."
fi
if [ -e "${imgname}" ]; then
if "${FORCE}"; then
msg2 "Removing existing bootable image..."
rm -rf "${imgname}"
else
error "Image ${imgname} already exists."
abort
fi
fi
if ! sed "s|%MANJAROISO_LABEL%|${LABEL}|g;
s|%INSTALL_DIR%|${INSTALL_DIR}|g;
s|%ARCH%|${ARCH}|g" -i ${work_dir}/iso/isolinux/*.cfg; then
die "${work_dir}/iso/isolinux/isolinux.cfg, doesn't exist."
fi
if [ ! -f "${work_dir}/iso/isolinux/isolinux.bin" ]; then
die "${work_dir}/iso/isolinux/isolinux.bin, doesn't exist."
fi
if [ ! -f "${work_dir}/iso/isolinux/isohdpfx.bin" ]; then
die "${work_dir}/iso/isolinux/isohdpfx.bin, doesn't exist."
fi
}
command_iso () {
_imgcommon
_iso_efi_boot_args=""
# If exists, add an EFI "El Torito" boot image (FAT filesystem) to ISO-9660 image.
if [ -f "${work_dir}/iso/EFI/miso/manjaro.img" ]; then
_iso_efi_boot_args="-eltorito-alt-boot -e EFI/miso/manjaro.img \
-isohybrid-gpt-basdat -no-emul-boot"
fi
msg "Creating ISO image..."
## Generate the BIOS+ISOHYBRID CD image using xorriso (extra/libisoburn package) in mkisofs emulation mode
_qflag=""
if ${QUIET}; then
_qflag="-quiet"
fi
xorriso -as mkisofs ${_qflag} \
-iso-level 3 -rock -joliet \
-max-iso9660-filenames -omit-period \
-omit-version-number \
-relaxed-filenames -allow-lowercase \
-volid "${LABEL}" \
-appid "${APPLICATION}" \
-publisher "${PUBLISHER}" \
-preparer "prepared by mkmiso" \
-eltorito-boot isolinux/isolinux.bin \
-eltorito-catalog isolinux/boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-isohybrid-mbr "${work_dir}/iso/isolinux/isohdpfx.bin" \
${_iso_efi_boot_args} \
-output "${imgname}" \
"${work_dir}/iso/"
}
# Go through the main commands in order. If 'all' was specified, then we want
# to do everything. Start with 'install'.
if [ "${command_name}" = "create" ]; then
command_create
fi
if [ "${command_name}" = "iso" ]; then
command_iso
fi