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(stack trace truncated; use '--show-trace' to show the full, detailed trace)
error: Refusing to evaluate package 'a-0' in /nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-default.nix:15 because it has problems:
- deprecated: Package is deprecated and replaced by b
See also https://nixos.org/manual/nixpkgs/unstable#sec-problems
To allow evaluation regardless, use:
- Nixpkgs import: import nixpkgs { config = <below code>; }
- NixOS: nixpkgs.config = <below code>;
- nix-* commands: Put below code in ~/.config/nixpkgs/config.nix
{
problems.handlers = {
a.deprecated = "warn"; # or "ignore"
};
}