angelfish: rework how cargo hashes are handled

, rustPlatform

, srcs

# These must be updated in tandem with package updates.

, cargoShaForVersion ? "23.04.0"

, cargoSha256 ? "sha256-96Qe8zdLZdOrU/t6J+JJ6V0PXyFOnJF18qDrk4PZGsA="

# provided as callPackage input to enable easier overrides through overlays

, cargoSha256 ? "sha256-whMfpElpFB7D+dHHJrbwINFL4bVpHTlcZX+mdBfiqEE="

}:

# Guard against incomplete updates.

# Values are provided as callPackage inputs to enable easier overrides through overlays.

if cargoShaForVersion != srcs.angelfish.version

then builtins.throw ''

  angelfish package update is incomplete.

         Hash for cargo dependencies is declared for version ${cargoShaForVersion}, but we're building ${srcs.angelfish.version}.

         Update the cargoSha256 and cargoShaForVersion for angelfish.

'' else

mkDerivation rec {

  pname = "angelfish";

  cargoDeps = rustPlatform.fetchCargoTarball {

    src = srcs.angelfish.src;

    # include version in the name so we invalidate the FOD

    name = "${pname}-${srcs.angelfish.version}";

    inherit (srcs.angelfish) src;

    sha256 = cargoSha256;

  };