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abs_home_path

What it does

Checks for string literals that are absolute paths into the user's home directory, e.g., env!("CARGO_MANIFEST_DIR").

Why is this bad?

The path might not exist when the code is used in production.

Known problems

The lint does not apply inside macro arguments. So false negatives could result.

Example

fn main() {
    let path = option_env!("CARGO");
    println!("{:?}", path);
}

Use instead:

fn main() {
    let path = std::env::var("CARGO");
    println!("{:?}", path);
}