Ricardo Wurmus <[email protected]> ezt írta (időpont: 2018. szept. 7., P 23:51):
> It is possible to add a build phase to a non-existing phase without an > error. The new build phase will simply not be executed. > > This is problematic when an inherited package augments the original > package’s phases and the original package is changed. Imagine that the > parent package’s “pre-configure” phase is removed: > > ((#:phases original-phases) > `(modify-phases ,original-phases > (add-after 'pre-configure 'patch-this > (lambda _ …)))) > > This would cause the “patch-this” phase in the child package to be > skipped without warning. > > This kind of thing can be especially confusing in the bootstrap, which > makes heavy use of inheritance. > It would be nice to fix this. Also I have noticed that it is easier to make mistakes when inheritance is involved, but these tend to only break derived packages. I am not aware of a facility to make it easier to build all derived packages. Am I missing something? I guess this would be a useful tool, but not sure about implementation. > > -- > Ricardo > > > > >
