cjybyjk/OTA-maker

A tool that can easily generate OTA incremental update packages

OTA-maker

本工具可以根据输入自动生成OTA增量升级包
This tool can automatically generate OTA incremental upgrade package.

Requirements

• x86_64 enviroment (Windows Or Linux)
• Python 3
• 安装 Python 3 的 bsdiff4 库
  (You need to install a extension library called bsdiff4 with pip before using this script.)
  pip3 install bsdiff4

Usage

makeota.py <OLD_ZIP> <NEW_ZIP> [OUT_PATH]

License

• MIT

Note

• 支持对 Android KitKat+ ROM 的打包(并未对KitKat以下的版本做测试)，特殊格式打包的ROM除外
  (Supported KitKat+ ROM(Did not test the previous version of KitKat). Not supported Rom which packaged with special methods.)
• 不允许跨 Android 版本的OTA (不做限制，但不保证可用性)
  Not allowed cross Android version OTA (no limit, but does not guarantee the availability)
• 部分代码来自(Part of the code comes from) Generic_OTA_Package_Generation_Script
• 一些不属于我自己的文件或其源码的来源:
  (Sources for some non-owned binary files & source code used:)
  • sdat2img.py: https://github.com/xpirt/sdat2img
  • bootimg.py: https://github.com/jpacg/bootimg
  • bin/sefcontext_decompile: https://github.com/wuxianlin/sefcontext_decompile
  • bin/brotli: https://github.com/google/brotli
  • bin/imgextractor.exe: https://4pda.ru/forum/index.php?showtopic=496786
  • bin/update-binary: https://forum.xda-developers.com/android/software-hacking/dev-complete-shell-script-flashable-zip-t2934449
  • bin/applypatch, bin/applypatch_64: https://github.com/MoKee/android_bootable_recovery/tree/mkn/applypatch