This script specifically updates the Exec line for Google Chrome to include additional flags for enabling Ozone platform and touchpad overscroll history navigation.

add scroll swipe

#!/bin/bash

modify_desktop_entry() {
    local file="$1"
    local tmpfile=$(mktemp)
    local pattern='^Exec=/opt/google/chrome/google-chrome'

    if ! [[ -f "$file" ]]; then
        printf "File not found: %s\n" "$file" >&2
        return 1
    fi

    while IFS= read -r line; do
        if [[ $line =~ $pattern ]]; then
            printf "%s --enable-features=UseOzonePlatform,TouchpadOverscrollHistoryNavigation --ozone-platform=wayland\n" "$line" >> "$tmpfile"
        else
            printf "%s\n" "$line" >> "$tmpfile"
        fi
    done < "$file"

    mv "$tmpfile" "$file"
}

main() {
    local files=("$@")

    if [[ ${#files[@]} -eq 0 ]]; then
        printf "Usage: %s <file1> <file2> ...\n" "${0##*/}" >&2
        return 1
    fi

    for file in "${files[@]}"; do
        if ! modify_desktop_entry "$file"; then
            printf "Failed to modify: %s\n" "$file" >&2
            continue
        fi
    done
}

main "$@