void-minecraft-usb/install-stage1.sh

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#!/usr/bin/env bash
LOGFILE=/tmp/void-usb-install-log
GIT_REPO_BASE="https://lostcave.ddnss.de/git/BodgeMaster/void-minecraft-usb/raw/branch/master"
function press_any_key {
echo "Press any key to continue or Ctrl+c to abort..."
read -n1 DISCARD_ME
echo ""
}
function are_you_really_really_sure {
echo "Enter the following to continue: $1"
read -p "> " DISCARD_ME
echo ""
if [ "$1" = "$DISCARD_ME" ]; then
return 0
else
return 1
fi
}
function yesno {
unset DISCARD_ME
while [ -z "$DISCARD_ME" ]; do
read -p "[y/n] " -n1 DISCARD_ME
case "$DISCARD_ME" in
y)
return 0
;;
n)
return 1
;;
*)
echo " Please enter y for yes or n for no."
unset DISCARD_ME
;;
esac
done
}
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function run_in_target {
echo "$@" | chroot /mnt/target sh
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}
clear
touch $LOGFILE
#TODO: check that we are root
#TODO: check that we are online
# -> could be done by pinging repo-default.voidlinux.org
echo "
This script will now download and install Void Linux on your USB stick.
Any data that is currently on the stick will be lost and it wont be
usable from Windows or MacOS.
Before we begin, the following packages need to be installed (if not installed already):
- xmirror
- squashfs-tools
- wget
"
press_any_key
echo -n "Ensuring that XBPS is up-to-date... "
xbps-install --yes --sync --update xbps >> $LOGFILE 2>&1
echo "done"
echo -n "Installing xmirror, squashfs-tools, wget... "
xbps-install --yes xmirror squashfs-tools wget >> $LOGFILE 2>&1
echo "done"
#TODO: If going down the path of extracting routines from void-installer, that should be done here
#TODO: Select keyboard layout
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KBD_LAYOUT="de-latin1"
clear
echo "Select the USB stick to install to (NAME column below)...
"
# exclude loop devices
lsblk --exclude 7 --nodeps --output NAME,SIZE,MODEL
echo ""
read -p "> " TARGET_DISK
while [ ! -b "/dev/$TARGET_DISK" ]; do
lsblk --exclude 7 --nodeps --output NAME,SIZE,MODEL
echo "$TARGET_DISK is not a valid device!"
read -p "> " TARGET_DISK
done
clear
echo "Selected device:"
lsblk --output NAME,SIZE,MODEL,LABEL,FSTYPE "/dev/$TARGET_DISK"
echo "
WARNING: The selected device will be wiped, partitioned, and formatted.
ALL DATA ON IT WILL BE LOST PERMANENTLY.
It will not be usable with Windows or MacOS while holding Void.
"
if are_you_really_really_sure "Yes, erase it."; then
true
else
echo "Aborting."
exit 1
fi
if grep "$TARGET_DISK" /proc/mounts >> $LOGFILE 2>&1; then
echo "The device seems to be mounted. Unmount?"
if yesno; then
echo -n "Attempting to unmount... "
readarray -t MOUNTPOINTS <<< "$(findmnt --raw --noheadings --output SOURCE,TARGET | grep "$TARGET_DISK" | sed 's/^[^ ]* //')"
for I in ${!MOUNTPOINTS[@]}; do
umount -R "${MOUNTPOINTS[$I]}" >> $LOGFILE 2>&1
done
if grep "$TARGET_DISK" /proc/mounts >> $LOGFILE 2>&1; then
echo "failed"
echo "It seems the device is still mounted. Installation cannot continue."
exit 1
else
echo "done"
fi
else
echo "Aborting."
exit 1
fi
fi
echo -n "Wiping and partitioning storage... "
# new GPT
# 2M BIOS GRUB
# 268M ESP
# everything else one big partition
echo "g
n
+2M
n
+268M
n
t
1
4
t
2
1
t
3
20
w" | fdisk --wipe always --wipe-partitions always "/dev/$TARGET_DISK" >> $LOGFILE 2>&1
TARGET_PART_BIOS="$(lsblk --raw --noheadings --output PATH "/dev/$TARGET_DISK" | sed -n '2p')"
TARGET_PART_EFI="$(lsblk --raw --noheadings --output PATH "/dev/$TARGET_DISK" | sed -n '3p')"
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TARGET_PART_BIG="$(lsblk --raw --noheadings --output PATH "/dev/$TARGET_DISK" | sed -n '4p')"
echo "done"
echo -n "Formatting partitions... "
mkfs.vfat -F32 -n "EFIBOOT" "$TARGET_PART_EFI" >> $LOGFILE 2>&1
mkfs.f2fs -f -l "container" "$TARGET_PART_BIG" >> $LOGFILE 2>&1
echo "done"
echo -n "Mounting partitions and virtual file systems... "
mkdir -p /mnt/target >> $LOGFILE 2>&1
mount -t tmpfs -o size=3g,mode=755 tmpfs /mnt/target >> $LOGFILE 2>&1
# used for chroot later
mkdir /mnt/target/run >> $LOGFILE 2>&1
mount --rbind /run /mnt/target/run >> $LOGFILE 2>&1
mkdir /mnt/target/proc >> $LOGFILE 2>&1
mount --rbind /proc /mnt/target/proc >> $LOGFILE 2>&1
mkdir /mnt/target/sys >> $LOGFILE 2>&1
mount --rbind /sys /mnt/target/sys >> $LOGFILE 2>&1
mkdir /mnt/target/dev >> $LOGFILE 2>&1
mount --rbind /dev /mnt/target/dev >> $LOGFILE 2>&1
# actual storage
mkdir -p /mnt/target/run/void-usb/container >> $LOGFILE 2>&1
mount "$TARGET_PART_BIG" /mnt/target/run/void-usb/container >> $LOGFILE 2>&1
mkdir /mnt/target/boot >> $LOGFILE 2>&1
mkdir /mnt/target/run/void-usb/container/boot >> $LOGFILE 2>&1
mount --bind /mnt/target/run/void-usb/container/boot /mnt/target/boot >> $LOGFILE 2>&1
mkdir /mnt/target/boot/efi >> $LOGFILE 2>&1
mount "$TARGET_PART_EFI" /mnt/target/boot/efi >> $LOGFILE 2>&1
mkdir /mnt/target/home >> $LOGFILE 2>&1
mkdir /mnt/target/run/void-usb/container/home >> $LOGFILE 2>&1
mount --bind /mnt/target/run/void-usb/container/home /mnt/target/home >> $LOGFILE 2>&1
echo "done"
clear
echo "Storage is now prepared and ready for installation.
You need to select a download mirror for Void next.
The script will launch xmirror on the host/live system and determine
the chosen mirror from the config file it generates.
"
press_any_key
xmirror
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#TODO: also remove CPU architecture
TARGET_MIRROR="$(sed 's/repository=//;s|/musl$||' /etc/xbps.d/00-repository-main.conf)"
#TODO: select installation type
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TARGET_TYPE="x86_64"
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#TODO: also add CPU architecture
if grep "musl" <<< "$TARGET_TYPE"; then
TARGET_MIRROR="$TARGET_MIRROR/musl"
fi
echo -n "Copying repository keys... "
mkdir -p /mnt/target/var/db/xbps/keys >> $LOGFILE 2>&1
cp /var/db/xbps/keys/* /mnt/target/var/db/xbps/keys/ >> $LOGFILE 2>&1
echo "done"
clear
echo "The next step is installing packages for base system components.
Depending on your internet connection, your USB stick, and the phase of the moon, this may take a while.
The XBPS log will be displayed for this step.
"
press_any_key
XBPS_ARCH="$TARGET_TYPE" xbps-install --yes --sync --rootdir /mnt/target --repository "$TARGET_MIRROR" \
linux bash shadow f2fs-tools dosfstools dbus NetworkManager iana-etc \
iw wpa_supplicant util-linux which tar man-pages iproute2 iputils \
wifi-firmware traceroute grep gzip file sed gawk less coreutils findutils \
diffutils pciutils usbutils tzdata base-files ncurses mdocml procps-ng \
kbd xbps sudo ethtool kmod eudev runit-void removed-packages nano acpid \
squashfs-tools grub grub-i386-efi grub-x86_64-efi dracut xz 2>&1 | tee --append $LOGFILE
echo ""
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echo "Adding mirror configuration."
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echo "repository=$TARGET_MIRROR" > /mnt/target/etc/xbps.d/00-repository-main.conf
echo "Adding sudo configuration."
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echo "%wheel ALL=(ALL:ALL) ALL" > /mnt/target/etc/sudoers.d/wheel_as_sudo_group.conf
echo "Disabling root password."
run_in_target passwd --lock root
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echo "Adding dracut configuration."
echo '# Void USB dracut configuration
hostonly="no"
compress="xz"
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add_dracutmodules+=" void-usb "
omit_dracutmodules+=" nvdimm resume "' > /mnt/target/etc/dracut.conf.d/99-void-usb.conf
echo -n "Adding dracut module void-usb... "
mkdir -p /mnt/target/lib/dracut/modules.d/90void-usb >> $LOGFILE 2>&1
chmod 755 /mnt/target/lib/dracut/modules.d/90void-usb >> $LOGFILE 2>&1
wget --output-document=/mnt/target/lib/dracut/modules.d/90void-usb/module-setup.sh "$GIT_REPO_BASE/dracut-modules/90void-usb/module-setup.sh" >> $LOGFILE 2>&1
chmod 744 /mnt/target/lib/dracut/modules.d/90void-usb/module-setup.sh >> $LOGFILE 2>&1
wget --output-document=/mnt/target/lib/dracut/modules.d/90void-usb/create-loop0.sh "$GIT_REPO_BASE/dracut-modules/90void-usb/create-loop0.sh" >> $LOGFILE 2>&1
chmod 744 /mnt/target/lib/dracut/modules.d/90void-usb/create-loop0.sh >> $LOGFILE 2>&1
wget --output-document=/mnt/target/lib/dracut/modules.d/90void-usb/squashfs-img.sh "$GIT_REPO_BASE/dracut-modules/90void-usb/squashfs-img.sh" >> $LOGFILE 2>&1
chmod 744 /mnt/target/lib/dracut/modules.d/90void-usb/squashfs-img.sh >> $LOGFILE 2>&1
wget --output-document=/mnt/target/lib/dracut/modules.d/90void-usb/overlay.sh "$GIT_REPO_BASE/dracut-modules/90void-usb/overlay.sh" >> $LOGFILE 2>&1
chmod 744 /mnt/target/lib/dracut/modules.d/90void-usb/overlay.sh >> $LOGFILE 2>&1
echo "done"
echo -n "Adding file system helper... "
mkdir -p /mnt/target/opt/void-usb >> $LOGFILE 2>&1
chmod 755 /mnt/target/opt/void-usb >> $LOGFILE 2>&1
wget --output-document=/mnt/target/opt/void-usb/backup-fs "$GIT_REPO_BASE/opt/backup-fs" >> $LOGFILE 2>&1
chmod 744 /mnt/target/opt/void-usb/backup-fs >> $LOGFILE 2>&1
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echo "
/opt/void-usb/backup-fs" >> /mnt/target/etc/rc.shutdown
echo "done"
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echo "Adding fstab."
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echo "# See fstab(5).
# <device> <mount point> <fstype> <options> <dump> <pass>
# /run/void-usb/container, /run/void-usb/overlay, and / are mounted by scripts in initramfs
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/run/void-usb/container/boot /boot none bind 0 0
/run/void-usb/container/home /home none bind 0 0
UUID=$(blkid --output value --match-tag UUID $TARGET_PART_EFI) /boot/efi vfat defaults,fmask=0077,dmask=0077 0 2
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" > /mnt/target/etc/fstab
echo "Configuring keyboard layout."
if grep "#KEYMAP=" /mnt/target/etc/rc.conf; then
sed -i -e 's/#KEYMAP=.*/KEYMAP="'"$KBD_LAYOUT"'"/' /mnt/target/etc/rc.conf
else
clear
echo "WARNING: Could not locate the keymap setting in rc.conf." | tee --append $LOGFILE
echo "The script will attempt to add one." | tee --append $LOGFILE
echo ""
press_any_key
echo "" >> /mnt/target/etc/rc.conf
echo "# Install script could not find keymap setting, adding one here." >> /mnt/target/etc/rc.conf
echo "KEYMAP=\"$KBD_LAYOUT\"" >> /mnt/target/etc/rc.conf
fi
#TODO: Figure out how to configure keyboard for Xorg
#TODO timezone
clear
echo "Assume that the hardware clock is UTC?
Most Unix-like systems set the clock in your computer to UTC and add the time zone
on-the-fly. Windows on the other hand usually sets the hardware clock to local time.
If you want to use this stick on Windows computers, you will most likely want to answer no here.
"
if yesno; then
if grep "#HARDWARECLOCK=" /mnt/target/etc/rc.conf; then
sed -i -e 's/#HARDWARECLOCK=.*/HARDWARECLOCK="UTC"/' /mnt/target/etc/rc.conf
else
clear
echo "WARNING: Could not locate the hardwareclock setting in rc.conf." | tee --append $LOGFILE
echo "The script will attempt to add one." | tee --append $LOGFILE
echo ""
press_any_key
echo "" >> /mnt/target/etc/rc.conf
echo "# Install script could not find hardwareclock setting, adding one here." >> /mnt/target/etc/rc.conf
echo 'HARDWARECLOCK="UTC"' >> /mnt/target/etc/rc.conf
fi
else
if grep "#HARDWARECLOCK=" /mnt/target/etc/rc.conf; then
sed -i -e 's/#HARDWARECLOCK=.*/HARDWARECLOCK="localtime"/' /mnt/target/etc/rc.conf
else
clear
echo "WARNING: Could not locate the hardwareclock setting in rc.conf." | tee --append $LOGFILE
echo "The script will attempt to add one." | tee --append $LOGFILE
echo ""
press_any_key
echo "" >> /mnt/target/etc/rc.conf
echo "# Install script could not find hardwareclock setting, adding one here." >> /mnt/target/etc/rc.conf
echo 'HARDWARECLOCK="localtime"' >> /mnt/target/etc/rc.conf
fi
fi
clear
echo "Do you want to set a hostname?
This is equivalent to giving a name to your computer - except it's a system on a USB drive.
If you leave this empty, it will be set to void-usb.
Allowed characters are a-zA-Z0-9 (and - in the middle).
"
while [ -z "$TARGET_HOSTNAME" ]; do
read -p "> " TARGET_HOSTNAME
if [ -z "$TARGET_HOSTNAME" ]; then
TARGET_HOSTNAME="void-usb"
else
if grep -e "^[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]$" -e "^[a-zA-Z0-9]*$" <<< "$TARGET_HOSTNAME" > /dev/null 2>&1; then
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true
else
echo "Allowed characters are a-zA-Z0-9 (and - in the middle)."
unset TARGET_HOSTNAME
fi
fi
done
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echo "$TARGET_HOSTNAME" > /mnt/target/etc/hostname
clear
echo -n "Installing bootloader... "
mkdir /mnt/target/boot/efi/LOADER >> $LOGFILE 2>&1
echo "GRUB has been deliberately installed to a non-standard location.
This avoids default kernel hooks breaking the custom config." > /mnt/target/boot/efi/LOADER/README.TXT
# no idea if any of these are even necessary/relevant but it cant hurt...
TARGET_PRELOAD_GRUB_MODULES="usb usbms uhci ehci ohci part_gpt f2fs ahci ata pata"
run_in_target grub-install --target=i386-pc --boot-directory=/boot/efi/LOADER --disk-module=native --modules="'$TARGET_PRELOAD_GRUB_MODULES'" "'/dev/$TARGET_DISK'" >> $LOGFILE 2>&1
run_in_target grub-install --target=i386-efi --boot-directory=/boot/efi/LOADER --disk-module=native --efi-directory=/boot/efi --removable --no-nvram --modules="'$TARGET_PRELOAD_GRUB_MODULES'" "'/dev/$TARGET_DISK'" >> $LOGFILE 2>&1
run_in_target grub-install --target=x86_64-efi --boot-directory=/boot/efi/LOADER --disk-module=native --efi-directory=/boot/efi --removable --no-nvram --modules="'$TARGET_PRELOAD_GRUB_MODULES'" "'/dev/$TARGET_DISK'" >> $LOGFILE 2>&1
echo "done"
echo -n "Adding grub-config helper... "
wget --output-document=/mnt/target/opt/void-usb/grub-config "$GIT_REPO_BASE/opt/grub-config" >> $LOGFILE 2>&1
chmod 744 /mnt/target/opt/void-usb/grub-config >> $LOGFILE 2>&1
echo "done"
echo -n "Adding kernel hooks... "
wget --output-document=/mnt/target/etc/kernel.d/pre-install/99-void-usb "$GIT_REPO_BASE/kernel.d/pre-install/99-void-usb" >> $LOGFILE 2>&1
chmod 744 /mnt/target/etc/kernel.d/pre-install/99-void-usb >> $LOGFILE 2>&1
wget --output-document=/mnt/target/etc/kernel.d/post-install/99-void-usb "$GIT_REPO_BASE/kernel.d/post-install/99-void-usb" >> $LOGFILE 2>&1
chmod 744 /mnt/target/etc/kernel.d/post-install/99-void-usb >> $LOGFILE 2>&1
wget --output-document=/mnt/target/etc/kernel.d/post-remove/99-void-usb "$GIT_REPO_BASE/kernel.d/post-remove/99-void-usb" >> $LOGFILE 2>&1
chmod 744 /mnt/target/etc/kernel.d/post-remove/99-void-usb >> $LOGFILE 2>&1
echo "done"
echo -n "Reconfiguring all installed packages... "
run_in_target xbps-reconfigure -fa >> $LOGFILE 2>&1
echo "done"
echo -n "Adding stage 2 installer... "
wget --output-document=/mnt/target/install-stage2.sh https://lostcave.ddnss.de/git/BodgeMaster/void-minecraft-usb/raw/branch/master/install-stage2.sh >> $LOGFILE 2>&1
chmod 744 /mnt/target/install-stage2.sh >> $LOGFILE 2>&1
echo "menuentry 'Continue Void-USB Installation' {
echo 'Loading Linux...'
linux $(run_in_target find /boot -type l -name "vmlinu*") quiet root=/dev/loop0 ro void-usb-container=UUID=$(lsblk --raw --noheadings --output UUID "$TARGET_PART_BIG") init=/install-stage2.sh
echo 'Loading initial ramdisk...'
initrd $(run_in_target find /boot -type l -name "init*")
}" >> /mnt/target/boot/efi/LOADER/grub/custom_before.cfg
echo "done"
echo "Creating system image..."
#TODO: make this work without user interaction
run_in_target /opt/void-usb/backup-fs
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clear
echo "Stage 1 installation is now complete.
The freshly installed system needs to be booted to continue with stage 2 of the installation process.
The installer will now reboot the computer.
"
press_any_key
reboot
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#