Shadowing internal files through the Nix search path is now an error
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Breaking Changes
thubrecht
jade
horrors
As Lix uses the path <nix/fetchurl.nix> for bootstrapping purposes, the ability to shadow it by adding nix=/some/path (or /other/path that contains a nix directory) to the search path is not desirable.
Lix 2.95 deprecated this behavior with a warning, Lix 2.96 now turns it into a hard error if the nix-path-shadow deprecated feature isn't enabled. This deprecated feature is slated to be removed in Lix 2.98.
