build.tools.nix/mkClojureLib.nix

{ lib, stdenv, callPackage, clojure, build-tools-jar, writeText, toEDN }:
{ src, name, group, version, clj-deps, src-paths }:

with lib;
let

  build-tools-deps = toEDN {
    aliases.build = {
      ns-build = "'build";
      replace-deps."'io.github.clojure/tools.build"."local/root" =
        "${build-tools-jar}";
    };
  };

  classpath = clj-deps.makeClasspaths { };

  full-name = "${group}-${name}-${version}-standalone.jar";

  target = "$TEMP/target";

in stdenv.mkDerivation {
  name = name;

  src = src;

  nativeBuildInputs = [ clojure ];
  buildInputs = (map (x: x.paths) clj-deps.packages);

  buildPhase = ''
    HOME=$TEMP/home
    mkdir -p $HOME
    mkdir -p ${target}

    clojure \
      -Scp     .:${build-tools-jar}:${classpath} \
      -Sdeps   ${builtins.trace build-tools-deps build-tools-deps} \
      -X:build \
      lib-uberjar \
      :project ${group}/${name} \
      :version ${version} \
      :srcs    ${concatStringsSep "," src-paths} \
      :target  ${target}
  '';

  installPhase = ''
    mv ${target}/${name}-${version}-standalone.jar $out
  '';
}