On 24.5.2018 00:56, Adam Williamson wrote:
The thing you're missing - which the Change doesn't explicitly state,
so it's understandable - is the effect of having the python2 package
Recommend the package with /usr/bin/python in it.
For *user* systems that will mean that package always gets installed
alongside python2, including that it should get installed on
update/upgrade. They could then manually remove it, but this is the
only way they could get into trouble - by default, both existing and
new installs should have /usr/bin/python. This is because dnf's default
behaviour is to install Recommends/Supplements.
However, for *package builds*, Recommends/Supplements are not
installed. So *package builds* which only BuildRequire python2 or
whatever would not get /usr/bin/python , and would thus fail. The
packager could always just add BuildRequires python-unversioned-command
to "fix" the problem, which is probably the fix we don't want them to
do, but at least then we have a handy way to identify recalcitrant
packages, and their maintainers can't pretend they weren't aware of the
problem and didn't actively decide to take the lazy way out.
I guess this needs to be added to the change proposal. I won't have time
to do this now, so cc'ing Petr.
--
Miro Hrončok
--
Phone: +420777974800
IRC: mhroncok
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