Guide - Installing Shizuku

Applications
2

Posting @babo’s script here, because files at Mega are much less persistent than Jolla’s forum (in my experience):

#!/bin/sh

set -e

WORK_DIR="/home/defaultuser/work"

echo "Stoping appsupport..."
systemctl stop aliendalvik
sleep 4

echo "Checking if system.img exists..."
if [ ! -f "$WORK_DIR/origsystem.img" ]; then
   echo "copying system.img..."
   cp /opt/appsupport/system.img "$WORK_DIR/origsystem.img"
   echo "system.img copied"
else
   echo "system.img already exists, skipping copy"
fi

echo "extracting system.img..."
  unsquashfs "$WORK_DIR/origsystem.img"

  cp "$WORK_DIR/start.sh" squashfs-root/system/bin/
echo "start.sh copied"

  chmod +x "$WORK_DIR/squashfs-root/system/bin/start.sh"
echo "executable permissions set"

  cp "$WORK_DIR/shizuku.rc" squashfs-root/system/etc/init
echo "shizuku.rc copied"

echo "building new system.img..."
  mksquashfs "$WORK_DIR/squashfs-root" "$WORK_DIR/system.img" -comp lz4 -Xhc -noappend -no-exports -no-duplicates -no-fragments

echo "Cleaning up..."
  rm -r -f "$WORK_DIR/squashfs-root"
echo "new system.img built"

while true; do
   read -p "Do you wish to replace the old system.img in /opt/appsupport with the new one? (yes/no): " yn
   case $yn in
   [Yy]* )
     echo "Replacing old system.img in /opt/appsupport..."
     mv "$WORK_DIR/system.img" /opt/appsupport
      break;;
   [Nn]* )
     echo "Operation cancelled. The new system.img will not be moved."
      break;;
   * )
     echo "Please answer yes or no.";;
esac
done
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