Magisk/scripts/flash_script.sh

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#MAGISK
############################################
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#
# Magisk Flash Script (updater-script)
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# by topjohnwu
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#
############################################
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##############
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# Preparation
##############
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COMMONDIR=$INSTALLER/common
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APK=$COMMONDIR/magisk.apk
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CHROMEDIR=$INSTALLER/chromeos
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# Default permissions
umask 022
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OUTFD=$2
ZIP=$3
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if [ ! -f $COMMONDIR/util_functions.sh ]; then
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echo "! Unable to extract zip file!"
exit 1
fi
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# Load utility fuctions
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. $COMMONDIR/util_functions.sh
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setup_flashable
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############
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# Detection
############
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if echo $MAGISK_VER | grep -q '\.'; then
PRETTY_VER=$MAGISK_VER
else
PRETTY_VER="$MAGISK_VER($MAGISK_VER_CODE)"
fi
print_title "Magisk $PRETTY_VER Installer"
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is_mounted /data || mount /data || is_mounted /cache || mount /cache
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mount_partitions
check_data
get_flags
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find_boot_image
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[ -z $BOOTIMAGE ] && abort "! Unable to detect target image"
ui_print "- Target image: $BOOTIMAGE"
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# Detect version and architecture
api_level_arch_detect
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[ $API -lt 17 ] && abort "! Magisk only support Android 4.2 and above"
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ui_print "- Device platform: $ARCH"
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BINDIR=$INSTALLER/$ARCH32
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chmod -R 755 $CHROMEDIR $BINDIR
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# Check if system root is installed and remove
remove_system_su
##############
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# Environment
##############
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ui_print "- Constructing environment"
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# Copy required files
rm -rf $MAGISKBIN/* 2>/dev/null
mkdir -p $MAGISKBIN 2>/dev/null
cp -af $BINDIR/. $COMMONDIR/. $CHROMEDIR $BBBIN $MAGISKBIN
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chmod -R 755 $MAGISKBIN
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# addon.d
if [ -d /system/addon.d ]; then
ui_print "- Adding addon.d survival script"
blockdev --setrw /dev/block/mapper/system$SLOT 2>/dev/null
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mount -o rw,remount /system
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ADDOND=/system/addon.d/99-magisk.sh
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cp -af $COMMONDIR/addon.d.sh $ADDOND
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chmod 755 $ADDOND
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fi
$BOOTMODE || recovery_actions
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#####################
# Boot/DTBO Patching
#####################
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install_magisk
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# Cleanups
$BOOTMODE || recovery_cleanup
rm -rf $TMPDIR
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ui_print "- Done"
exit 0