45 lines
694 B
Nix
45 lines
694 B
Nix
{
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stdenv
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}:
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{
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units
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}:
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with stdenv.lib;
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let
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stageProgram = stage:
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if stage ? programPath
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then "${stage}${stage.programPath}" else "${stage}";
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unitsString = builtins.concatStringsSep "\n"
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(map (x: "${stageProgram x}") units);
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desc = builtins.concatStringsSep "\n"
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(map (x: ''
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# ${x}
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${x.desc}'') units);
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in
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stdenv.mkDerivation {
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name = "experiment";
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phases = [ "installPhase" ];
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preferLocalBuild = true;
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dontPatchShebangs = true;
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inherit units;
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inherit desc;
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installPhase = ''
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cat > $out << EOF
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#!/bin/sh
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${desc}
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# This is an experiment formed by the following units:
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${unitsString}
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EOF
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chmod +x $out
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'';
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}
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