update-binary

#!/sbin/sh

# Exit immediately if a command fails
set -e

# Extract the package to a temporary location
unzip -oq ${3} -d "/tmp/BromiteWebViewInstaller"

# Create faux mountpoints
mkdir /picodroid_system

# Mount the neccesary partitions
mount -o rw $(readlink -f $(cd /dev && find /dev/block -type l -name system$(getprop ro.boot.slot_suffix) | head -n 1 )) /picodroid_system

# Copy the overlay to the appropriate location
cp /tmp/BromiteWebViewInstaller/system/product/overlay/treble-overlay-bromite-webview.apk /picodroid_system/system/product/overlay

# Copy the OTA survival script to the appropriate location
if [ -d /picodroid_system/system/addon.d ]
    then cp /tmp/BromiteWebViewInstaller/system/addon.d/39-bromite-webview.sh /picodroid_system/system/addon.d
fi

# Make the script executable
chmod 755 /picodroid_system/system/addon.d/39-bromite-webview.sh

# Unmount the previously mounted partitions
umount -l /picodroid_system

# Delete the faux mountpoints
rmdir /picodroid_system

# Clean up the installation files
rm -rf /tmp/BromiteWebViewInstaller

# Inform the user that the update has been successful
echo -e "ui_print Update successfully installed!" >> /proc/self/fd/${2}
echo -e "ui_print You can now install Bromite SystemWebView as a regular app!" >> /proc/self/fd/${2}