2019-10-15 23:02:24 +02:00
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#!/bin/bash
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2019-10-18 22:46:17 +02:00
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#See the block of "echos" in main() for description of this script
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2019-10-15 23:02:24 +02:00
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# This file is part of PrawnOS (http://www.prawnos.com)
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# Copyright (c) 2018 Hal Emmerich <hal@halemmerich.com>
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# PrawnOS is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2
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# as published by the Free Software Foundation.
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# PrawnOS is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with PrawnOS. If not, see <https://www.gnu.org/licenses/>.
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2019-10-18 22:46:17 +02:00
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RESOURCES=/InstallResources
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# Grab the boot device, which is either /dev/sda for usb or /dev/mmcblk0 for an sd card
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BOOT_DEVICE=$(mount | head -n 1 | cut -d '2' -f 1)
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2019-10-15 23:39:34 +02:00
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2019-10-18 22:46:17 +02:00
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main() {
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echo "---------------------------------------------------------------------------------------------------------------------"
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echo "PrawnOS Install or Expand Script"
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echo "Installation sets up the internal emmc partitions, root encryption, and copies the filesystem from the"
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echo "current boot device to the target device. The target device cannot be the current boot device"
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echo
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echo "Expansion simply targets the booted device, and expands the filesystem to fill the entire thing instead of just 2GB."
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echo "Because of this, root encryption cannot be setup"
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echo
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echo "For installation, this script can be quit and re-ran at any point."
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echo "Unfortunately for expansion this is not the case"
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echo "---------------------------------------------------------------------------------------------------------------------"
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echo
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2019-10-19 03:39:07 +02:00
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echo "Expand or Install?: "
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2019-10-15 23:39:34 +02:00
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echo "The currently booted device is ${BOOT_DEVICE}"
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while true; do
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read -p "[I]nstall or [E]xpand?" IE
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case $IE in
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[Ii]* ) install; break;;
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[Ee]* ) expand; break;;
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* ) echo "Please answer I or E";;
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esac
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done
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}
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#Now to pick the install target: internal, sd, or usb
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#if target is usb, and boot device is usb, target is sdb
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#and whether to enable crypto
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install() {
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echo "Pick an install target. This can be the Internal Emmc, an SD card, or a USB device"
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echo "Please ensure you have only have the booted device and the desired target device inserted."
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echo "The currently booted device is ${BOOT_DEVICE}"
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while true; do
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2019-10-19 03:39:07 +02:00
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read -p "[I]nternal Emmc, [S]D card, or [U]SB device?: " ISU
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case $ISU in
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[Ii]* ) TARGET=/dev/mmcblk2p; break;;
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[Ss]* ) TARGET=/dev/mmcblk0p; break;;
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[Uu]* ) TARGET=USB; break;;
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2019-10-15 23:39:34 +02:00
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* ) echo "Please answer I, S, or U";;
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esac
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done
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if [[ $TARGET == "USB" ]]
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then
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if [[ $BOOT_DEVICE == "/dev/sda" ]]
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then
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2019-10-19 03:39:07 +02:00
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TARGET=/dev/sdb
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2019-10-15 23:39:34 +02:00
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else
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2019-10-19 03:39:07 +02:00
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TARGET=/dev/sda
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2019-10-15 23:39:34 +02:00
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fi
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fi
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if [[ $TARGET == $BOOT_DEVICE ]]
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then
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2019-10-18 22:46:17 +02:00
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echo "Can't install to booted device, please ensure you have *only* the booted device and target device inserted"
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2019-10-15 23:39:34 +02:00
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exit
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fi
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2019-10-20 22:42:19 +02:00
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#cut off the "p" if we are using an sd card or internal emmc, doesn't change TARGET if we are using usb
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2019-10-20 23:53:13 +02:00
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TARGET_NO_P=$(echo $TARGET | cut -d 'p' -f 1)
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2019-10-20 22:42:19 +02:00
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if [ ! -e $TARGET_NO_P ];
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then
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echo "${TARGET_NO_P} does not exist, have you plugged in your target sd card or usb device?"
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exit 1
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fi
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2019-10-15 23:39:34 +02:00
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#Now on to the installation, basically copy InstallToInternal.sh
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2019-10-18 22:46:17 +02:00
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while true; do
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2019-10-20 22:42:19 +02:00
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read -p "This will ERASE ALL DATA ON ${TARGET_NO_P} and reboot when finished, do you want to continue? [y/N]" yn
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2019-10-18 22:46:17 +02:00
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case $yn in
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[Yy]* ) break;;
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[Nn]* ) exit;;
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* ) echo "Please answer y or n";;
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esac
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done
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umount ${TARGET}1 || /bin/true
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umount ${TARGET}2 || /bin/true
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if [[ $TARGET == "/dev/mmcblk2p" ]]
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then
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emmc_partition
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else
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2019-10-20 22:42:19 +02:00
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external_partition $TARGET_NO_P
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2019-10-18 22:46:17 +02:00
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fi
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KERNEL_PARTITION=${TARGET}1
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ROOT_PARTITION=${TARGET}2
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CRYPTO=false
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echo Writing kernel partition
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dd if=/dev/zero of=$KERNEL_PARTITION bs=512 count=65536
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2019-10-19 04:36:02 +02:00
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dd if=${BOOT_DEVICE}1 of=$KERNEL_PARTITION conv=notrunc
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2019-10-18 22:46:17 +02:00
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#Handle full disk encryption
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echo "Would you like to setup full disk encrytion using LUKs/DmCrypt?"
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select yn in "Yes" "No"
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do
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case $yn,$REPLY in
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Yes,*|*,Yes )
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CRYPTO=true
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# Since iteration count is based on cpu power, and the rk3288 isn't as fast as a usual
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# desktop cpu, manually supply -i 15000 for security at the cost of a slightly slower unlock
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2020-02-23 09:57:31 +01:00
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dmesg -n 2
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2020-03-03 03:16:22 +01:00
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echo "Enter the password you would like to use to unlock the encrypted root partition at boot"
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2019-10-18 22:46:17 +02:00
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cryptsetup -q -y -s 512 luksFormat -i 15000 $ROOT_PARTITION || exit 1
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echo "Now unlock the newly created encrypted root partition so we can mount it and install the filesystem"
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cryptsetup luksOpen $ROOT_PARTITION luksroot || exit 1
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2020-02-23 09:57:31 +01:00
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dmesg -n 7
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2020-03-03 03:16:22 +01:00
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ROOT_PARTITION=/dev/mapper/luksroot
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2019-10-18 22:46:17 +02:00
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break
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;;
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No,*|*,No )
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break
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;;
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* )
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echo "Invalid Option, please enter Yes or No, 1 or 2"
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;;
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esac
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done
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echo Writing Filesystem, this will take about 4 minutes...
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mkfs.ext4 -F -b 1024 $ROOT_PARTITION
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2019-10-30 05:02:27 +01:00
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INSTALL_MOUNT=/mnt/install_mount
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mkdir -p $INSTALL_MOUNT/
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mount $ROOT_PARTITION $INSTALL_MOUNT/
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rsync -ah --info=progress2 --info=name0 --numeric-ids -x / $INSTALL_MOUNT/
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2019-10-18 22:46:17 +02:00
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#Remove the live-fstab and install a base fstab
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2019-10-30 05:02:27 +01:00
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rm $INSTALL_MOUNT/etc/fstab
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echo "${ROOT_PARTITION} / ext4 defaults,noatime 0 1" > $INSTALL_MOUNT/etc/fstab
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while true; do
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read -p "Install a desktop environment and the supporting packages? [Y/n]" ins
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case $ins in
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[Yy]* ) install_packages $INSTALL_MOUNT; break;;
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[Nn]* ) break;;
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* ) echo "Please answer y or n";;
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esac
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done
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2019-10-18 22:46:17 +02:00
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umount $ROOT_PARTITION
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echo Running fsck
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e2fsck -p -f $ROOT_PARTITION
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if [[ $CRYPTO == "true" ]]
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then
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# unmount and close encrypted storage
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2019-10-20 22:42:19 +02:00
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# let things settle, otherwise cryptsetup complainssss
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sleep 2
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2019-10-18 22:46:17 +02:00
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cryptsetup luksClose luksroot
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fi
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2019-10-20 22:42:19 +02:00
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echo "Please remove the booted device after power off is complete"
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while true; do
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read -p "Reboot? [y/N]" re
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case $re in
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[Yy]* ) reboot;;
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[Nn]* ) exit;;
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* ) echo "Please answer y or n";;
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esac
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done
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2019-10-15 23:39:34 +02:00
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}
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2019-10-18 22:46:17 +02:00
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#Setup partition map on internal emmc
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emmc_partition() {
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#disable dmesg, writing the partition map tries to write the the first gpt table, which is unmodifiable
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dmesg -D
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echo Writing partition map to internal emmc
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DISK_SZ="$(blockdev --getsz /dev/mmcblk2)"
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echo Total disk size is: $DISK_SZ
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if [ $DISK_SZ = 30785536 ]
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then
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echo Detected Emmc Type 1
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sfdisk /dev/mmcblk2 < $RESOURCES/mmc.partmap
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elif [ $DISK_SZ = 30777344 ]
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then
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echo Detected Emmc Type 2
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sfdisk /dev/mmcblk2 < $RESOURCES/mmc_type2.partmap
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else
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echo ERROR! Not a known EMMC type, please open an issue on github or send SolidHal an email with the Total disk size reported above
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echo Try a fallback value? This will allow installation to continue, at the cost of a very small amoutnt of disk space. This may not work.
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select yn in "Yes" "No"
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do
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case $yn,$REPLY in
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Yes,*|*,Yes )
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echo Trying Emmc Type 2
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sfdisk /dev/mmcblk2 < $RESOURCES/mmc_type2.partmap
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break
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;;
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* )
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echo "Invalid Option, please enter Yes or No, 1 or 2"
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;;
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esac
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done
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fi
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dmesg -E
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}
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#Setup partition map for external bootable device, aka usb or sd card
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external_partition() {
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2019-10-20 22:42:19 +02:00
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EXTERNAL_TARGET=$1
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2019-10-18 22:46:17 +02:00
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kernel_start=8192
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kernel_size=65536
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2019-10-19 04:36:02 +02:00
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root_start=$(($kernel_start + $kernel_size))
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2019-10-20 22:42:19 +02:00
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#wipe the partition map, cgpt doesn't like anything weird in the primary or backup partition maps
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sgdisk -Z $EXTERNAL_TARGET
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partprobe $EXTERNAL_TARGET
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#make the base gpt partition map
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2019-10-19 04:36:02 +02:00
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parted --script $EXTERNAL_TARGET mklabel gpt
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cgpt create $EXTERNAL_TARGET
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2019-10-20 22:42:19 +02:00
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#must use cgpt to make the kernel partition, as we need the -S, -T, and -P variables
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2019-10-19 03:39:07 +02:00
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cgpt add -i 1 -t kernel -b $kernel_start -s $kernel_size -l Kernel -S 1 -T 5 -P 10 $EXTERNAL_TARGET
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2019-10-18 22:46:17 +02:00
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#Now the main filesystem
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2019-10-20 22:42:19 +02:00
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#cgpt doesn't seem to handle this part correctly
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sgdisk -N 2 $EXTERNAL_TARGET
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#Set the type to "data"
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sgdisk -t 2:0700 $EXTERNAL_TARGET
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#Name it "properly" - Probably not required, but looks nice
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sgdisk -c 2:Root $EXTERNAL_TARGET
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#Reload the partition mapping
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partprobe $EXTERNAL_TARGET
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2019-10-18 22:46:17 +02:00
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}
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2019-10-15 23:39:34 +02:00
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#simply expand to fill the current boot device
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expand() {
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if [[ $BOOT_DEVICE == "/dev/mmcblk2" ]]
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then
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echo "Can't expand to fill internal emmc, install will have done this already"
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exit
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fi
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#Make the boot partition fille the whole drive
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#Delete the partition
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sgdisk -d 2 $BOOT_DEVICE
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#Make new partition map entry, with full size
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sgdisk -N 2 $BOOT_DEVICE
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#Set the type to "data"
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sgdisk -t 2:0700 $BOOT_DEVICE
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#Name it "properly" - Probably not required, but looks nice
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sgdisk -c 2:Root $BOOT_DEVICE
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#Reload the partition mapping
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partprobe $BOOT_DEVICE
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#Force the filesystem to fill the new partition
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2019-10-21 07:23:52 +02:00
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resize2fs -f ${BOOT_DEVICE}2
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echo "/dev/${BOOT_DEVICE}2 / ext4 defaults,noatime 0 1" > /etc/fstab
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2019-10-30 05:02:27 +01:00
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while true; do
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read -p "Install a desktop environment and the supporting packages? [Y/n]" ins
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case $ins in
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2019-10-30 06:40:27 +01:00
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[Yy]* ) /InstallResources/InstallPackages.sh; reboot;;
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2019-10-30 05:02:27 +01:00
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[Nn]* ) exit;;
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* ) echo "Please answer y or n";;
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esac
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done
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}
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#Install all packages, desktop environment to target device
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install_packages() {
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TARGET_MOUNT=$1
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echo "Installing Packages"
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mount -t proc proc $TARGET_MOUNT/proc/
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mount --rbind /sys $TARGET_MOUNT/sys/
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mount --rbind /dev $TARGET_MOUNT/dev/
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chroot $TARGET_MOUNT/ ./InstallResources/InstallPackages.sh
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umount $TARGET_MOUNT/proc/
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2019-10-30 06:40:27 +01:00
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mount --make-rprivate /sys
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mount --make-rprivate /dev
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umount -R $TARGET_MOUNT/sys/
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umount -R $TARGET_MOUNT/dev/
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2019-10-15 23:39:34 +02:00
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}
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#call the main function, script technically starts here
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2019-10-18 22:46:17 +02:00
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#Organized this way so that main can come before the functions it calls
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2019-10-15 23:39:34 +02:00
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main "$@"; exit
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