86 lines
2.6 KiB
Bash
Executable File
86 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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if [ "$(id -u)" -ne 0 ]; then
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echo "switching from $(id -un) to root"
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exec sudo "$0" "$@"
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fi
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set -e
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cd "$(dirname "$0")"
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dir=$(dirname "$0")
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echo "${dir}"
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sync
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if mountpoint -q "$dir/mnt/efi"; then
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umount "$dir/mnt/efi"
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fi
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if mountpoint -q "$dir/mnt/sys"; then
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umount "$dir/mnt/sys"
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fi
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echo 'creating image..'
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disk="boot_image.img"
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mnt="/mnt"
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efi_part="1"
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root_part="2"
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dd if=/dev/zero of=boot_image.img count=6000 bs=1M
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parted -s "$disk" mklabel gpt
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parted -s --align=optimal "$disk" mkpart ESP fat32 1MiB 50Mib
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parted -s "$disk" set "$efi_part" esp on
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parted -s --align=optimal "$disk" mkpart ext4 100MiB 100%
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parted -s "$disk" set "$root_part" boot on
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parted -s "$disk" print
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kpartx -d "$disk"
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kpartx -avs "$disk"
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echo 'mounting image as loopback device..'
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loop="$(kpartx -l boot_image.img | grep -ow 'loop[0-9]*' | head -n 1)"
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disk_efi="${loop}p1"
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disk_sys="${loop}p2"
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echo 'formatting image partitions..'
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mkfs.fat -F32 -n EFI /dev/mapper/${disk_efi}
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mkfs.ext4 -L ROOT /dev/mapper/${disk_sys}
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echo 'creating mount points..'
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rm -rf $dir/mnt/
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mkdir -p $dir/mnt/
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mkdir -p $dir/mnt/{efi,sys,grub}
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echo 'mounting loopback devices..'
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mount -t vfat /dev/mapper/${disk_efi} $dir/mnt/efi
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mount -t ext4 /dev/mapper/${disk_sys} $dir/mnt/sys
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echo 'installing grub..'
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echo "loop dev: ${loop}"
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echo "efi loop: ${disk_efi}"
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echo "sys loop: ${disk_sys}"
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grub-install -s --compress=gz --target=x86_64-efi --recheck --no-floppy --efi-directory=$dir/mnt/efi --boot-directory=$dir/mnt/efi --root-directory=$dir/mnt/sys --bootloader-id=patronage /dev/$loop
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echo 'copying filesystem to mounted image..'
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tar -xf ./patronagefs.tar --directory $dir/mnt/sys/
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echo 'copied..'
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echo 'copying boot files..'
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mkdir -p $dir/mnt/efi/boot/
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cp $dir/initramfs.cpio.gz $dir/mnt/efi/
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mkdir -p $dir/mnt/efi/EFI/patronage/
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cp $dir/linux/arch/x86_64/boot/bzImage $dir/mnt/efi/EFI/patronage/bzImage
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cp $dir/initramfs.cpio.gz $dir/mnt/efi/EFI/patronage/
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#cp $dir/linux/arch/x86/boot/compressed/vmlinux $dir/mnt/efi/
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#cp $dir/linux/arch/x86/boot/vmlinux.bin $dir/mnt/efi/
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#cp $dir/initramfs.cpio.gz $dir/mnt/sys/
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#cp $dir/linux/arch/x86_64/boot/bzImage $dir/mnt/sys/
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#cp $dir/linux/arch/x86/boot/compressed/vmlinux $dir/mnt/sys/
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#cp $dir/linux/arch/x86/boot/vmlinux.bin $dir/mnt/sys/
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cp $dir/grub.cfg $dir/mnt/efi/EFI/patronage/
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#cp $dir/grub.cfg $dir/mnt/sys/boot/grub/
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cp $dir/grub.cfg $dir/mnt/efi/EFI/BOOT/
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echo 'unmounting..'
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if mountpoint -q "$dir/mnt/efi"; then
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sync
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#fuser -kmv "$dir/mnt/efi"
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umount -lf "$dir/mnt/efi"
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fi
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if mountpoint -q "$dir/mnt/sys"; then
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sync
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#fuser -kmv "$dir/mnt/sys"
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umount -lf "$dir/mnt/sys"
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fi
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kpartx -d boot_image.img
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chmod 777 ./boot_image.img
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echo 'image built..'
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