pgvector.nix

{ lib, stdenv, fetchFromGitHub, postgresql }:

stdenv.mkDerivation rec {
  pname = "pgvector";
  version = "0.5.1";

  buildInputs = [ postgresql ];

  src = fetchFromGitHub {
    owner  = "pgvector";
    repo   = pname;
    rev    = "refs/tags/v${version}";
    hash   = "sha256-ZNzq+dATZn9LUgeOczsaadr5hwdbt9y/+sAOPIdr77U=";
  };

  installPhase = ''
    mkdir -p ${postgresql}/{lib,share/postgresql/extension}
    cp *.so      ${postgresql}/lib
    cp sql/*.sql ${postgresql}/share/postgresql/extension
    cp *.control ${postgresql}/share/postgresql/extension
  '';

  meta = with lib; {
    description = "Open-source vector similarity search for Postgres";
    homepage    = "https://github.com/${src.owner}/${src.repo}";
    maintainers = with maintainers; [ olirice ];
    platforms   = postgresql.meta.platforms;
    license     = licenses.postgresql;
  };
}