21 lines
803 B
Nix
21 lines
803 B
Nix
# this is an utility for mergeing shells created with mkShell
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# TODO: make this an attribute of mkShell result set. Or just use inputsFrom.
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{ lib }:
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super: shells:
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super.overrideAttrs (super:
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let
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inherit (lib) attrByPath unique catAttrs concatStrings;
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mergeAttrsFor = attrName:
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(attrByPath [attrName] [] super) ++ unique (catAttrs attrName shells);
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in {
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inputsFrom = mergeAttrsFor "inputsFrom";
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buildInputs = mergeAttrsFor "buildInputs";
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nativeBuildInputs = mergeAttrsFor "nativeBuildInputs";
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propagatedBuildInputs = mergeAttrsFor "propagatedBuildInputs";
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propagatedNativeBuildInputs = mergeAttrsFor "propagatedNativeBuildInputs";
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# shellHook is a string, not a list
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shellHook = (super.shellHook or "") + concatStrings (catAttrs "shellHook" shells);
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})
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