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afc6c1bad6
This reduces the difference between inherited and non-inherited attribute handling to the choice of which env to use (in recs and lets) by setting the AttrDef::e to a new ExprVar in the parser rather than carrying a separate AttrDef::v VarRef member. As an added bonus, this allows inherited attributes that inherit from a with to delay forcing evaluation of the with's attributes. Signed-off-by: Shea Levy <shea@shealevy.com>
24 lines
466 B
Nix
24 lines
466 B
Nix
let
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pkgs_ = with pkgs; {
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a = derivation {
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name = "a";
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system = builtins.currentSystem;
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builder = "/bin/sh";
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args = [ "-c" "touch $out" ];
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inherit b;
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};
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inherit b;
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};
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packageOverrides = p: {
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b = derivation {
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name = "b-overridden";
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system = builtins.currentSystem;
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builder = "/bin/sh";
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args = [ "-c" "touch $out" ];
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};
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};
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pkgs = pkgs_ // (packageOverrides pkgs_);
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in pkgs.a.b.name
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