The Jargon File (version 4.4.7, 29 Dec 2003):

hack together
 vt.

    [common] To throw something together so it will work. Unlike kluge together
    or cruft together, this does not necessarily have negative connotations.


The Free On-line Dictionary of Computing (30 December 2018):

hack together

    To throw something together so it will work.  Unlike
   "kluge together" or "cruft together", this does not
   necessarily have negative connotations.

   (2003-09-02)