Re: New pre-depends: python pre-depends python-minimal
* Wouter Verhelst <wouter@debian.org>, 2014-11-22, 08:25:
It appears that the appropriate resolution of #769106 [1] is to add a
new pre-depends on python-minimal in python.
This issue at hand is that at the time python2.7-minimal is
configured, python is unpacked, but python-minimal is not. Since
python-2.7-minimal doesn't have a direct depends on python-minimal,
this is allowable (policy 7.2, Depends).
In order for python2.7-minimal to configure, python-minimal needs to
be at least unpacked to provide /usr/bin/pycompile. The only way for
python to ensure this is the case is to declare a pre-depends relation
(also policy 7.2).
This is inaccurate.
s/inaccurate/confusing as hell/ :-P
A python2.7-minimal pre-depends on python-minimal ensures that
python-minimal is unpackaged _and configured_ before python2.7-minimal
is unpacked.
There are three packages involved is this mess:
python2.7-minimal
python-minimal
python
python depends on python-minimal.
python2.7-minimal does NOT depend on python or python-minimal (that'd be
a dependency loop).
python2.7-minimal tries to run a hook shipped by python, which might not
work when python is not configured yet.
Hence the proposed Pre-Depends: python -> python-minimal.
--
Jakub Wilk
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