1.1.1: "-=" does not substract

Bug #268632 reported by Dieter Maurer on 2008-09-10
This bug affects 2 people
Affects Status Importance Assigned to Milestone

Bug Description

"-=" does not substract.

The behaviour is documented in the description on "PyPI". There, "-=" is introduced with 3 buildouts "base", "extension"
and "extension2" which specify "option" as follows:

> base: option = b1 b2 b3 b4
> extension: option -= b1 b2
> extension2: option -= b1 b2 b3

The verification result is "b1 b2 b3 b4" -- i.e. "-=" had no effect.

claytron (clayton-sixfeetup) wrote :

I have noticed the same behavior. It would actually work for one item. But not multiple:

> base: option = b1 b2 b3 b4
> extension: option -= b2

would result in: b1 b3 b4

samuel or tell me sam (sriolo) wrote :

hi there

i have the same problem by using mr.developer and dumppickedversion.
i wanted remove mr.developer out of my development.cfg, because i don't use it on a productive server.
has some one a idea for resolve this?

buildout version 1.4.3
plone version 3.3.5

extensions -=

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