Help! Don't understand "apply-waydroid-patches"

[hunanyu]

In the "Compile waydroid - LineageOS based images" section, "apply-waydroid-patches" is just an instruction or a script? It seems to be an instruction, but I don’t understand what patches it contains and how it is applied.

[warlice]

it's a function which locate in vendor/extra/vendorsetup.sh, and it's repo is https://github.com/waydroid/android_vendor_waydroid