#12609: Update developer guide for SPKGs
-----------------------------+----------------------------------------------
   Reporter:  jdemeyer       |          Owner:  mvngu        
       Type:  defect         |         Status:  needs_work   
   Priority:  minor          |      Milestone:  sage-5.0     
  Component:  documentation  |       Keywords:               
Work_issues:                 |       Upstream:  N/A          
   Reviewer:                 |         Author:  John Palmieri
     Merged:                 |   Dependencies:               
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Changes (by jdemeyer):

  * status:  needs_review => needs_work


Comment:

 This is almost good, but you should also provide a way to check that a
 package has been installed, regardless of its version number.  I was
 thinking along the lines of (not tested!)
 {{{
 if ! ls "$SAGE_ROOT"/spkg/installed/PACKAGE-* &>/dev/null; then
     echo >&2 "Package PACKAGE is required; please install it."
     exit 1
 fi
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12609#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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