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47 lines
1.1 KiB
Nix
47 lines
1.1 KiB
Nix
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{ lib, stdenv }:
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# A special kind of derivation that is only meant to be consumed by the
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# nix-shell.
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{
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inputsFrom ? [], # a list of derivations whose inputs will be made available to the environment
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buildInputs ? [],
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nativeBuildInputs ? [],
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propagatedBuildInputs ? [],
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propagatedNativeBuildInputs ? [],
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...
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}@attrs:
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let
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mergeInputs = name:
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let
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op = item: sum: sum ++ item."${name}" or [];
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nul = [];
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list = [attrs] ++ inputsFrom;
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in
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lib.foldr op nul list;
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rest = builtins.removeAttrs attrs [
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"inputsFrom"
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"buildInputs"
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"nativeBuildInputs"
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"propagatedBuildInputs"
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"propagatedNativeBuildInputs"
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];
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in
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stdenv.mkDerivation ({
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name = "nix-shell";
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phases = ["nobuildPhase"];
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buildInputs = mergeInputs "buildInputs";
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nativeBuildInputs = mergeInputs "nativeBuildInputs";
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propagatedBuildInputs = mergeInputs "propagatedBuildInputs";
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propagatedNativeBuildInputs = mergeInputs "propagatedNativeBuildInputs";
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nobuildPhase = ''
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echo
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echo "This derivation is not meant to be built, aborting";
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echo
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exit 1
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'';
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} // rest)
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