[nix-shell:~/.cache/nixpkgs-review/pr-108508/nixpkgs]$ nix-update fzf
$ nix eval --json --impure --experimental-features nix-command --expr (with import ./. {};
    let
      pkg = fzf;
      raw_version_position = builtins.unsafeGetAttrPos "version" pkg;

      position = if pkg ? isRubyGem then
        raw_version_position
      else
        builtins.unsafeGetAttrPos "src" pkg;
    in {
      name = pkg.name;
      old_version = (builtins.parseDrvName pkg.name).version;
      inherit raw_version_position;
      filename = position.file;
      line = position.line;
      urls = pkg.src.urls or null;
      url = pkg.src.url or null;
      rev = pkg.src.url.rev or null;
      hash = pkg.src.outputHash;
      mod_sha256 = pkg.modSha256 or null;
      vendor_sha256 = pkg.vendorSha256 or null;
      cargo_sha256 = pkg.cargoSha256 or null;
      tests = pkg.passthru.tests or null;
    })
fetch https://github.com/junegunn/fzf/releases.atom
Update 0.24.4 -> 0.25.0 in /home/thiagoko/.cache/nixpkgs-review/pr-108508/nixpkgs/pkgs/tools/misc/fzf/default.nix
$ nix-prefetch (import ./. {}).fzf
warning: ignoring the user-specified setting 'allow-unsafe-native-code-during-evaluation', because it is a restricted setting and you are not a trusted user
The package fzf-0.25.0 will be fetched as follows:
> fetchFromGitHub {
>   owner = "junegunn";
>   repo = "fzf";
>   rev = "0.25.0";
>   sha256 = "17k32wr70sp7ag69xww2q9mrgnzakgkjw6la04n3jlhfa5z37dzj";
> }

$ nix-prefetch { sha256 }: (import ./. {}).fzf.go-modules.overrideAttrs (_: { vendorSha256 = sha256; })
warning: ignoring the user-specified setting 'allow-unsafe-native-code-during-evaluation', because it is a restricted setting and you are not a trusted user
The fetcher will be called as follows:
> <unnamed> {
>   sha256 = "0000000000000000000000000000000000000000000000000000";
> }