291 lines
8.5 KiB
Bash
Executable File
291 lines
8.5 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Copyright (C) 2023 Umorpha Systems
|
|
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
|
|
# Dependencies:
|
|
# - /usr/bin/env (coreutils, busybox)
|
|
# - cat (coreutils, busybox)
|
|
# - install (coreutils, busybox)
|
|
# - mkdir (coreutils, busybox)
|
|
# - mktemp (coreutils, busybox)
|
|
# - rm (coreutils, busybox)
|
|
# - rmdir (coreutils, busybox)
|
|
# - losetup (optional) (util-linux; the busybox one doesn't work)
|
|
# - umount (util-linux, busybox)
|
|
# - blkid (util-linux)
|
|
# - mount (util-linux)
|
|
# - bash (bash)
|
|
# - systemd-repart (systemd)
|
|
# - lvcreate (lvm2)
|
|
# - lvresize (lvm2)
|
|
# - pvcreate (lvm2)
|
|
# - pvs (lvm2)
|
|
# - vgchange (lvm2)
|
|
# - vgcreate (lvm2)
|
|
# - vgremove (lvm2)
|
|
# - vgs (lvm2)
|
|
# - pv (pv)
|
|
# - mkfs.ext4 (e2fsprogs)
|
|
# - mkfs.vfat (dosfstools)
|
|
# - arch-chroot (arch-install-scripts)
|
|
# - umorpha-mount
|
|
#
|
|
# Dependencies of arch-chroot (as of v28):
|
|
# - cat (coreutils, busybox)
|
|
# - install (coreutils, busybox)
|
|
# - ln (coreutils, busybox)
|
|
# - touch (coreutils, busybox)
|
|
# - chroot (coreutils; the busybox one doesn't work)
|
|
# - readlink (coreutils; the busybox one doesn't work)
|
|
# - mountpoint (util-linux, busybox)
|
|
# - umount (util-linux, busybox)
|
|
# - unshare (util-linux, busybox)
|
|
# - mount (util-linux)
|
|
# - grep (grep, busybox)
|
|
# - bash (bash)
|
|
#
|
|
# Dependencies of umorpha-mount:
|
|
# - sh (bash, busybox)
|
|
# - getopt (util-linux, busybox)
|
|
# - mkdir (coreutils, busybox)
|
|
# - mount (util-linux)
|
|
#
|
|
# Of those, these are the ones that aren't already in an initcpio:
|
|
# - arch-chroot (arch-install-scripts)
|
|
# - bash (bash)
|
|
# - chroot (coreutils)
|
|
# - readlink (coreutils)
|
|
# - pv (pv)
|
|
# - systemd-repart (systemd)
|
|
# - mkfs.ext4 (e2fsprogs)
|
|
# - mkfs.vfat (dosfstools)
|
|
# - lvcreate (lvm2)
|
|
# - lvresize (lvm2)
|
|
# - pvcreate (lvm2)
|
|
# - pvs (lvm2)
|
|
# - vgchange (lvm2)
|
|
# - vgcreate (lvm2)
|
|
# - vgremove (lvm2)
|
|
# - vgs (lvm2)
|
|
|
|
set -euE -o pipefail
|
|
|
|
v() {
|
|
printf >&2 ' $ %s\n' "${*@Q}"
|
|
"$@"
|
|
}
|
|
|
|
in_array() {
|
|
local needle haystack straw
|
|
needle=$1
|
|
haystack=("${@:2}")
|
|
for straw in "${haystack[@]}"; do
|
|
if [[ "$needle" == "$straw" ]]; then
|
|
return 0
|
|
fi
|
|
done
|
|
return 1
|
|
}
|
|
|
|
main() {
|
|
local typ device rootfs slot
|
|
typ=$1
|
|
rootfs=$2
|
|
device=$3
|
|
slot='a'
|
|
|
|
echo ":: Installing '${rootfs}' to '${device}' for '${typ}'"
|
|
if [[ "$rootfs" != *rootfs* ]]; then
|
|
echo >&2 "!! Filename '${rootfs}' does not look like a rootfs filename"
|
|
return 2
|
|
fi
|
|
case "$typ" in
|
|
uefi|bios) :;;
|
|
*)
|
|
echo >&2 "!! Install type '${typ}' is not valid"
|
|
return 2
|
|
;;
|
|
esac
|
|
|
|
########################################################################
|
|
|
|
cleanup=()
|
|
_do_cleanup() {
|
|
if [[ $? == 0 ]]; then
|
|
echo ":: Cleaning up..."
|
|
else
|
|
echo >&2 "!! ERROR! Cleaning up..."
|
|
fi
|
|
for (( i=${#cleanup[@]}-1; i >= 0; i-- )); do
|
|
eval "${cleanup[$i]}"
|
|
done
|
|
}
|
|
trap '_do_cleanup' EXIT
|
|
|
|
local tmpdir
|
|
tmpdir="$(mktemp -dt "${0##*/}.XXXXXXXXXX")"
|
|
cleanup+="rmdir -- ${tmpdir@Q}"
|
|
|
|
########################################################################
|
|
|
|
local is_loop=false
|
|
if [[ -f "$device" ]]; then
|
|
echo " file '${device}' is not a block device, setting up a loopback device..."
|
|
device=$(v losetup --find --show --partscan -- "$device")
|
|
echo " ... '${device}'"
|
|
cleanup+=("v losetup --detach ${device@Q}")
|
|
is_loop=true
|
|
fi
|
|
local devicep="$device"
|
|
if [[ "$devicep" == *[0-9] ]]; then
|
|
devicep+='p'
|
|
fi
|
|
|
|
########################################################################
|
|
|
|
echo ":: Setting up GPT"
|
|
|
|
n=0
|
|
cat >"$tmpdir/00-esp.conf" <<-EOF
|
|
[Partition]
|
|
Type=esp
|
|
Format=vfat
|
|
Label=Umorpha EFI System Partition
|
|
SizeMinBytes=512M
|
|
SizeMaxBytes=512M
|
|
EOF
|
|
n_esp=$((++n))
|
|
if [[ $typ == bios ]]; then
|
|
cat >"$tmpdir/05-bios.conf" <<-EOF
|
|
[Partition]
|
|
Type=21686148-6449-6E6F-744E-656564454649
|
|
Label=Umorpha BIOS Boot Partition
|
|
SizeMinBytes=1M
|
|
SizeMaxBytes=1M
|
|
EOF
|
|
n_bios=$((++n))
|
|
fi
|
|
cat >"$tmpdir/10-lvm.conf" <<-EOF
|
|
[Partition]
|
|
# https://en.wikipedia.org/w/index.php?title=User_talk:Claunia&diff=prev&oldid=1182832243
|
|
Type=E6D6D379-F507-44C2-A23C-238F2A3DF928
|
|
Label=Umorpha LVM Partition
|
|
EOF
|
|
n_lvm=$((++n))
|
|
|
|
v systemd-repart \
|
|
--empty=allow --dry-run=no \
|
|
--no-pager \
|
|
--definitions="$tmpdir" \
|
|
"$device"
|
|
|
|
rm -- "$tmpdir"/*.conf
|
|
|
|
########################################################################
|
|
|
|
echo ":: Setting up LVM"
|
|
|
|
if ! in_array "${devicep}${n_lvm}" $(pvs --noheadings --options=pv_name); then
|
|
v pvcreate "${devicep}${n_lvm}"
|
|
fi
|
|
if ! in_array vg_umorpha $(vgs --noheadings --options=vg_name); then
|
|
v vgcreate vg_umorpha "${devicep}${n_lvm}"
|
|
fi
|
|
if $is_loop; then
|
|
cleanup+=("v vgchange --activate=n vg_umorpha")
|
|
fi
|
|
|
|
# Use short `-c` instead of `--format` so this works with busybox.
|
|
size="$(stat -c '%s' -- "$rootfs")"
|
|
|
|
if [[ -e /dev/mapper/vg_umorpha-lv_root_$slot ]]; then
|
|
# Ugg, lvresize exits with non-zero for no-ops, which we can't
|
|
# even really do a pre-flight check for since it might round a
|
|
# size up.
|
|
v lvresize --size="${size}b" "/dev/mapper/vg_umorpha-lv_root_$slot" || true
|
|
else
|
|
v lvcreate --zero=y --wipesignatures=y --yes --name="lv_root_$slot" \
|
|
--size="${size}b" vg_umorpha
|
|
fi
|
|
|
|
v pv -- "$rootfs" >"/dev/mapper/vg_umorpha-lv_root_$slot"
|
|
|
|
if ! [[ -e /dev/mapper/vg_umorpha-lv_root_overlay ]]; then
|
|
v lvcreate --zero=y --wipesignatures=y --yes \
|
|
--name=lv_root_overlay --size=1G vg_umorpha
|
|
fi
|
|
if [[ -z "$(blkid --output=export /dev/mapper/vg_umorpha-lv_root_overlay | sed -n s/^TYPE=//p)" ]]; then
|
|
v mkfs.ext4 /dev/mapper/vg_umorpha-lv_root_overlay
|
|
fi
|
|
|
|
########################################################################
|
|
|
|
echo ":: Configuring boot"
|
|
|
|
local selector_boot selector_root selector_overlay
|
|
selector_boot="$( blkid --output=export "${devicep}${n_esp}" | grep ^UUID=)"
|
|
selector_root="$( blkid --output=export "/dev/mapper/vg_umorpha-lv_root_$slot" | grep ^UUID=)"
|
|
selector_overlay="$(blkid --output=export /dev/mapper/vg_umorpha-lv_root_overlay | grep ^UUID=)"
|
|
v declare -p selector_boot selector_root selector_overlay
|
|
|
|
v umorpha-mount \
|
|
--root="/dev/mapper/vg_umorpha-lv_root_$slot:auto:ro" \
|
|
--overlay='/dev/mapper/vg_umorpha-lv_root_overlay:auto:rw' \
|
|
--boot="${devicep}${n_esp}:auto:rw" \
|
|
--basedir="$tmpdir"
|
|
cleanup+=("rmdir -- ${tmpdir@Q}/root")
|
|
cleanup+=("v umount ${tmpdir@Q}/root")
|
|
cleanup+=("rmdir -- ${tmpdir@Q}/overlay")
|
|
cleanup+=("v umount ${tmpdir@Q}/overlay")
|
|
cleanup+=("rmdir -- ${tmpdir@Q}/mnt")
|
|
cleanup+=("v umount ${tmpdir@Q}/mnt")
|
|
cleanup+=("v umount ${tmpdir@Q}/mnt/boot")
|
|
|
|
case "$typ" in
|
|
uefi)
|
|
mkdir -p -- "$tmpdir/mnt/etc/kernel"
|
|
echo "root=$selector_root overlay=$selector_overlay boot=$selector_boot rw" >"$tmpdir/mnt/etc/kernel/cmdline"
|
|
mkdir -p -- "$tmpdir/mnt/boot/EFI/Linux"
|
|
v install -D "$tmpdir/mnt/usr/lib/systemd/boot/efi/systemd-bootx64.efi" "$tmpdir/mnt/boot/EFI/BOOT/BOOTX64.EFI"
|
|
;;
|
|
bios)
|
|
v arch-chroot -- "$tmpdir/mnt" grub-install --target=i386-pc "$device"
|
|
install -Dm600 /dev/stdin "$tmpdir/mnt/boot/grub/grub.cfg" <<-EOF
|
|
insmod part_gpt
|
|
insmod part_msdos
|
|
if [ -s \$prefix/grubenv ]; then
|
|
load_env
|
|
fi
|
|
if [ -s \$prefix/grub_a.cfg ]; then
|
|
configfile \$prefix/grub_a.cfg
|
|
fi
|
|
if [ -s \$prefix/grub_b.cfg ]; then
|
|
configfile \$prefix/grub_b.cfg
|
|
fi
|
|
EOF
|
|
{
|
|
for krnl in "$tmpdir/mnt"/usr/lib/modules/*/vmlinuz; do
|
|
pkgbase=$(cat -- ${krnl%vmlinuz}pkgbase)
|
|
cat <<-EOF
|
|
menuentry 'Parabola GNU/Linux-libre, slot ${slot}, ${pkgbase} kernel'
|
|
set search --no-floppy --fs-uuid --set=root ${selector_boot#UUID=}
|
|
echo 'Loading ${pkgbase} kernel...'
|
|
linux /vmlinuz-${pkgbase} root=$selector_root overlay=$selector_overlay boot=$selector_boot rw
|
|
echo 'Loading initial ramdisk...'
|
|
initrd /initramfs-${pkgbase}.img
|
|
echo 'Booting...'
|
|
boot
|
|
EOF
|
|
done
|
|
} | install -Dm600 /dev/stdin "$tmpdir/mnt/boot/grub/grub_${slot}.cfg"
|
|
;;
|
|
esac
|
|
|
|
v arch-chroot -- "$tmpdir/mnt" sh -c "printf '%s\n' usr/lib/modules/*/vmlinuz | /usr/share/libalpm/scripts/mkinitcpio install"
|
|
v arch-chroot -- "$tmpdir/mnt" ldconfig
|
|
v arch-chroot -- "$tmpdir/mnt" systemd-machine-id-setup
|
|
v arch-chroot -- "$tmpdir/mnt" update-ca-trust
|
|
}
|
|
|
|
main "$@"
|