ugdb packaged for Nix

ugdb-overlay.nix

self: super:
with self;
with rustPlatform;
{
  ugdb = buildRustPackage rec {
    pname = "ugdb";
    version = "0.1.4";

    src = fetchFromGitHub {
      owner = "ftilde";
      repo = pname;
      rev = version;
      sha256 = "0521x40f8clzg4g1gdf30mb7cnyrmripifssvdprgi51dcnblnyz";
    };

    cargoSha256 = "0bndhj441znd46ms7as66bi3ilr0glvi0wmj47spak90s97w67ci";
    nativeBuildInputs = [ pkgconfig ];
    buildInputs = [ openssl libgit2 ];
    LIBGIT2_SYS_USE_PKG_CONFIG = true;
  };
}