Marc
55 lines
1.7 KiB
Bash
Executable File
55 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# we depend on a properly build rootfs
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if [ "$EUID" -ne 0 ]
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then echo "Please run as root"
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exit
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fi
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CHIBRAX_MOUNT_POINT="/tmp/chibraxMountPoint"
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rm -f disk.img
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#create a 8Gb iso
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dd if=/dev/zero of=disk.img bs=1024k seek=$((1000 * 8)) count=0
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#creating a msdos image for mbr boot
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parted disk.img mklabel msdos
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parted disk.img mkpart primary ext4 0% 100%
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START_SECTOR=$(file disk.img | cut -d',' -f 8 | cut -d' ' -f3)
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echo "Start sector :" $START_SECTOR
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OFFSET=$((512*$START_SECTOR))
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echo $OFFSET > diskoffset
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losetup --offset $OFFSET -f disk.img
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LOOP=$(losetup -a | grep -v deleted | cut -d':' -f 1)
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losetup -f disk.img
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LOOP_ROOT=$(losetup -a | grep -v deleted | grep -v ${LOOP} | cut -d':' -f 1)
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mkdir $CHIBRAX_MOUNT_POINT -p
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mkfs.ext4 ${LOOP}
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mount ${LOOP} $CHIBRAX_MOUNT_POINT
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echo "coping rootfs"
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cp rootfs/* $CHIBRAX_MOUNT_POINT -r
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echo "done"
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echo "installing grub"
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arch-chroot $CHIBRAX_MOUNT_POINT grub-install --target=i386-pc ${LOOP_ROOT} --modules=part_msdos
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arch-chroot $CHIBRAX_MOUNT_POINT grub-mkconfig -o /boot/grub/grub.cfg
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PARTUUID=$(lsblk $LOOP --fs | awk '{print $4}' | grep -v LABEL)
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echo "menuentry 'Chibrax OS' {" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
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echo " set root='hd0,msdos1'" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
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echo " linux /boot/vmlinuz rootfstype=ext4 root=/dev/sda1" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
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echo "}" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
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umount $CHIBRAX_MOUNT_POINT
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losetup -d $LOOP_ROOT
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losetup -d $LOOP
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#built by root but used by any, usefull to run the vm without root privileges
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chmod 757 disk.img |