{ lib, stdenv, fetchMavenArtifact }: stdenv.mkDerivation rec { pname = "postgresql-jdbc"; version = "42.2.20"; src = fetchMavenArtifact { artifactId = "postgresql"; groupId = "org.postgresql"; sha256 = "0kjilsrz9shymfki48kg1q84la1870ixlh2lnfw347x8mqw2k2vh"; inherit version; }; phases = [ "installPhase" ]; installPhase = '' runHook preInstall install -m444 -D $src/share/java/*postgresql-${version}.jar $out/share/java/postgresql-jdbc.jar runHook postInstall ''; meta = with lib; { homepage = "https://jdbc.postgresql.org/"; description = "JDBC driver for PostgreSQL allowing Java programs to connect to a PostgreSQL database"; license = licenses.bsd2; platforms = platforms.unix; }; }