my-lineage/before.sh

#!/bin/bash

## add lawnchair overlay to build
sed -i "1s;^;\$(call inherit-product-if-exists, vendor/lawnchair/lawnchair.mk)\n\n;" "/srv/src/LINEAGE_19_1/vendor/lineage/config/common.mk"

## remove Trebuchet
sed -i 's/overrides.*/overrides: ["Home", "Launcher2", "Launcher3", "Launcher3QuickStep", "ParanoidQuickStep", "PixelLauncher", "TrebuchetQuickStep", "TrebuchetOverlay"],/' "/srv/src/LINEAGE_19_1/vendor/lawnchair/Android.bp"

## remove F-Droid
echo "PRODUCT_PACKAGES += \\
    GmsCore \\
    GsfProxy \\
    FakeStore \\
    IchnaeaNlpBackend \\
    NominatimGeocoderBackend" | tee "/srv/src/LINEAGE_19_1/vendor/partner_gms/products/gms.mk"

## add OxygenOS overlay to build
#git clone https://github.com/officialputuid/android_vendor_OOS.git "/srv/src/LINEAGE_19_1/vendor/OOS"

#sed -i "1s;^;\$(call inherit-product, vendor/OOS/OOS.mk)\n\n;" "/srv/src/LINEAGE_19_1/vendor/lineage/config/common.mk"

## remove unwanted app from OxygenOS
#sed -i "/    OP.*/d" OOS.mk;
#echo "    OPCamera \\
#    OPFileManager \\
#    OPGallery" | tee -a OOS.mk