args @ { fetchurl, ... }:
rec {
  baseName = ''trivial-gray-streams'';
  version = ''20140826-git'';

  description = ''Compatibility layer for Gray Streams (see http://www.cliki.net/Gray%20streams).'';

  deps = [ ];

  src = fetchurl {
    url = ''http://beta.quicklisp.org/archive/trivial-gray-streams/2014-08-26/trivial-gray-streams-20140826-git.tgz'';
    sha256 = ''1nhbp0qizvqvy2mfl3i99hlwiy27h3gq0jglwzsj2fmnwqvpfx92'';
  };

  overrides = x: {
    postInstall = ''
      find "$out/lib/common-lisp/" -name '*.asd' | grep -iv '/trivial-gray-streams[.]asd${"$"}' |
        while read f; do
          env -i \
          NIX_LISP="$NIX_LISP" \
          NIX_LISP_PRELAUNCH_HOOK="nix_lisp_run_single_form '(progn
            (asdf:load-system :$(basename "$f" .asd))
            (asdf:perform (quote asdf:compile-bundle-op) :$(basename "$f" .asd))
            (ignore-errors (asdf:perform (quote asdf:deliver-asd-op) :$(basename "$f" .asd)))
            )'" \
            "$out"/bin/*-lisp-launcher.sh ||
          mv "$f"{,.sibling}; done || true
    '';
  };
}
/* (SYSTEM trivial-gray-streams DESCRIPTION Compatibility layer for Gray Streams (see http://www.cliki.net/Gray%20streams). SHA256
    1nhbp0qizvqvy2mfl3i99hlwiy27h3gq0jglwzsj2fmnwqvpfx92 URL
    http://beta.quicklisp.org/archive/trivial-gray-streams/2014-08-26/trivial-gray-streams-20140826-git.tgz MD5 1ca280830c8c438ca2ccfadb3763ae83 NAME
    trivial-gray-streams TESTNAME NIL FILENAME trivial-gray-streams DEPS NIL DEPENDENCIES NIL VERSION 20140826-git SIBLINGS (trivial-gray-streams-test)) */