On Wed, 2018-05-23 at 18:45 -0400, Ben Cotton wrote: > On Wed, May 23, 2018 at 6:24 PM, Miro Hrončok <mhroncok@xxxxxxxxxx> wrote: > > > How exactly is this change breaking users' software? We certainly want to > > avoid that. > > > > If anything installed from outside our repos calls `/usr/bin/python`, > we break it. Unless we install the new python symlink package > alongside, but if we're doing that automatically, then how are we > testing the change? Maybe that is the intent, and I just > misunderstood. 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. -- Adam Williamson Fedora QA Community Monkey IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net http://www.happyassassin.net _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx/message/DHVK3TI3QJOC5674QOSQOUZRNBZIT5XR/