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Motivation for this change
In order to decrease overall closure size and to align with Nixpkgs' policy regarding the issue, packages which can work with the latest version of
libfoo
should use the latest version of it, even iflibfoo
points tolibfoo2
while there's alsolibfoo3
available. This is influential on closure size in the following scenario:libfoo
.libfoo
points tolibfoo2
.libfoo_latest
which points tolibfoo3
.libfoo_latest
which islibfoo3
.libfoo3
andlibfoo2
.The result of this somewhat common pattern is that the user has both
libfoo2
andlibfoo_latest
in their store, but it's not necessary because Program A can uselibfoo_latest
instead.Things done
sandbox
innix.conf
on non-NixOS linux)nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
./result/bin/
)nix path-info -S
before and after)