Function is_manjaro_name_or_owner 

pub fn is_manjaro_name_or_owner(name: &str, owner: &str) -> bool

What: Determine if a package or its owner indicates Manjaro

Input:

• name package name; owner maintainer/owner string

Output:

• true if name starts with “manjaro-” or owner contains “manjaro” (case-insensitive)

Details:

• Lowercases both inputs and checks the prefix/substring rules.