116 lines
3.3 KiB
Bash
Executable file
116 lines
3.3 KiB
Bash
Executable file
#!/sbin/ash
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# shellcheck shell=dash
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# Copyright 2017 Attila Szöllősi
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#
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# This file is part of postmarketos-android-recovery-installer.
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#
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# postmarketos-android-recovery-installer is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# postmarketos-android-recovery-installer 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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#
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# You should have received a copy of the GNU General Public License
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# along with postmarketos-android-recovery-installer. If not, see <http://www.gnu.org/licenses/>.
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export OUTFD=$1
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export ZIP=$2
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export WORKING_DIR="/tmp/postmarketos"
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export PATH=$PATH:"$WORKING_DIR"/bin
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# Use findfs and umount from util-linux
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# shellcheck disable=SC2139
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alias findfs="$WORKING_DIR/bin/findfs"
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# shellcheck disable=SC2139
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alias umount="$WORKING_DIR/bin/umount"
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# shellcheck source=/dev/null
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. "$WORKING_DIR"/install_options
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# taken from https://github.com/Debuffer-XDA/Gov-Tuner/blob/master/META-INF/com/google/android/update-binary
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# Copyright (c) 2016 - 2017 Debuffer
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ui_print() {
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echo -n -e "ui_print $1\n" > /proc/self/fd/"$OUTFD"
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echo -n -e "ui_print\n" > /proc/self/fd/"$OUTFD"
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}
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extract_partition_table() {
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case "$INSTALL_PARTITION" in
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"system")
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_INSTALL_DEVICE=$(findfs PARTLABEL="$SYSTEM_PARTLABEL") || \
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# We need to resolve symlinks, to make set_subpartitions() work.
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_INSTALL_DEVICE=$(busybox readlink -fn "$(awk '/^\/system/ {print $3}' /etc/recovery.fstab)")
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;;
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"external_sd")
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_INSTALL_DEVICE=$(busybox readlink -fn "$(awk '/^\/external_sd/ {print $4}' /etc/recovery.fstab)")
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;;
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*)
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echo "No support for flashing $INSTALL_PARTITION."
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return 1
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;;
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esac
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if [ ! -z "$_INSTALL_DEVICE" ]
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then
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echo "install device found at $_INSTALL_DEVICE"
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export INSTALL_DEVICE=$_INSTALL_DEVICE
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else
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echo "Couldn't find $INSTALL_PARTITION partition."
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return 1
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fi
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if [ "$ISOREC" = "true" ]
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then
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export KERNEL_PARTITION
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KERNEL_PARTITION=$(findfs PARTLABEL="$KERNEL_PARTLABEL")
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export INITFS_PARTITION
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INITFS_PARTITION=$(findfs PARTLABEL="$INITFS_PARTLABEL")
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else
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_BOOT_PARTITION=$(findfs PARTLABEL="boot") || \
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_BOOT_PARTITION=$(awk '/^\/boot/ {print $3}' /etc/recovery.fstab)
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if [ ! -z "$_BOOT_PARTITION" ]
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then
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echo "boot partition found at $_BOOT_PARTITION"
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export BOOT_PARTITION=$_BOOT_PARTITION
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else
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echo "Couldn't find boot partition."
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return 1
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fi
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fi
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}
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partition_install_device() {
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for command in "mktable msdos" \
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"mkpart primary ext2 2048s 100M" \
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"mkpart primary 100M 100%" \
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"set 1 boot on"
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do
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parted -s "$INSTALL_DEVICE" "$command"
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done
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partprobe
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if [ "$INSTALL_PARTITION" = "system" ]
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then
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kpartx -afs "$INSTALL_DEVICE"
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fi
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set_subpartitions
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}
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set_subpartitions() {
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export PMOS_BOOT
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PMOS_BOOT=/dev/mapper/"$(busybox basename "$INSTALL_DEVICE")"p1
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export ROOT_PARTITION
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ROOT_PARTITION=/dev/mapper/"$(busybox basename "$INSTALL_DEVICE")"p2
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}
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umount_install_partition() {
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if busybox mountpoint -q "/$INSTALL_PARTITION/"
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then
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umount -R /"$INSTALL_PARTITION"/
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else
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echo 'Continuing...'
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return 0
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fi
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}
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