Files
linux-live-framework/build
T
Danieliskot b0fef0b3dd add 50% io usage limit to mksquashfs
fix unknown arg for xorriso
2023-06-19 00:03:56 +02:00

84 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env bash
for i in mksquashfs cpio gzip sed grep xorriso tar file; do
if [ ! -x "$(command -v ${i})" ]; then
case ${i} in
mksquashfs) a="squashfs-tools";;
readelf) a="binutils";;
*) a="${i}"
esac
echo "Please install ${a} package to run this tool"
exit 1
fi
done
exec > >(tee -i /tmp/mlb.log) 2>&1
cd "$(dirname $(readlink -f ${0}))" || exit 1
cp -f config .config
mapfile -t list < <(ls -A /boot | egrep "^bzImage*|*kernel*|^vmlinuz*" 2>/dev/null | grep -v "init")
if [ ${#list[@]} -gt 1 ]; then
n=0
echo -e "Please choose your kernel to proceed:\nChoose number from ${n} to ${#list[@]}\n-----\n"
for a in "${list[@]}"; do
echo "[${n}] - ${a}"
((n++))
done
echo "-----"
read kernel
kernel="/boot/${list[${kernel}]}"
unset list n
else
kernel="/boot/${list[0]}"
fi
set -x
time (
echo "KERNEL=\"${kernel}\"" >>.config
echo "LMK=\"/lib/modules/$(file -bL ${kernel} | grep -o 'version .*' | cut -d' ' -f2)\"" >>.config
unset kernel
top="$(pwd)"
. .config
workTmpDir="$(mktemp -d /tmp/Mlb_WorkDir_XXXXXXX)"
DATA="${workTmpDir}/isoImage"
INITRD="$(initrd/create)"
ret="${?}"
tmpRoot="${workTmpDir}/tmpRoot"
trap "rm -rf ${workTmpDir} /tmp/MlbInitRd{,.img}&&exit 1" 2 6 15
mkdir -p ${DATA}/changes ${DATA}/${DISTRO}/modules
rsync --force -aAP $(for i in $(awk '{print $2}' /proc/mounts) /tmp; do echo "--exclude=${i}/*"; done) / ${tmpRoot}
chmod +x -R inc2sys
cp -rf inc2sys/* ${tmpRoot}
mknod ${tmpRoot}/dev/console c 5 1
mknod ${tmpRoot}/dev/null c 1 3
mknod ${tmpRoot}/dev/ram0 b 1 0
mknod ${tmpRoot}/dev/tty1 c 4 1
mknod ${tmpRoot}/dev/tty2 c 4 2
mknod ${tmpRoot}/dev/tty3 c 4 3
mknod ${tmpRoot}/dev/tty4 c 4 4
for i in zstd xz lzma bzip2 gzip; do
mksquashfs ${tmpRoot} ${DATA}/${DISTRO}/system.sfs -comp ${i} -noappend -limit 50
[ -e ${DATA}/${DISTRO}/system.sfs ]&&break
done
mv -f ${INITRD} ${DATA}/initrd.img
cp -rf bootfiles/* ${DATA}
mv -f ${tmpRoot}/tmp/grub_efi.img ${DATA}/efi.img
for i in ${DATA}/syslinux.cfg ${DATA}/boot/grub/grub.cfg; do
sed -i -r "s/__DISTRO__/${DISTRO}/" ${i}
done
cp -f ${KERNEL} ${DATA}/vmlinuz
cd ${DATA}
utc="$(date +%s)"
v="$(git -C ${top} rev-parse HEAD 2>/dev/null)"&&v="${v}:GIT"||v="INFINITY:LOCAL"
cat <<eot >.MlbMeta
# Built using Minimal-Linux-Booter technology.
MLB_VERSION="${v}"
MLB_NAME="${DISTRO}"
MLB_UTC="${utc}"
eot
[[ ${ret} = 2 ]]&&echo "MLB_ELF_STATIC_INITRD=\"1\"" >>.MlbMeta||echo "MLB_ELF_STATIC_INITRD=\"0\"" >>.MlbMeta
xorriso -as mkisofs -o /${DISTRO}-${utc}.iso -iso-level 3 -J -R -D -A ${DISTRO} -V ${DISTRO} -no-emul-boot -boot-info-table -boot-load-size 4 -b isolinux.bin -c isolinux.boot -eltorito-alt-boot -e /efi.img -no-emul-boot .
isohybrid --version >/dev/null 2>&1&&isohybrid -u /${DISTRO}-${utc}.iso
cd ${top}
rm -rf ${workTmpDir}
)