For the "stdenv accidentally referring to bootstrap-tools", it seems easier to specify the path that we don't want to depend on, e.g. disallowedRequisites = [ bootstrapTools ];
		
			
				
	
	
		
			57 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
with import ./config.nix;
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rec {
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  dep1 = mkDerivation {
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    name = "check-reqs-dep1";
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    builder = builtins.toFile "builder.sh" "mkdir $out; touch $out/file1";
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  };
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  dep2 = mkDerivation {
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    name = "check-reqs-dep2";
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    builder = builtins.toFile "builder.sh" "mkdir $out; touch $out/file2";
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  };
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  deps = mkDerivation {
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    name = "check-reqs-deps";
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    dep1 = dep1;
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    dep2 = dep2;
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    builder = builtins.toFile "builder.sh" ''
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      mkdir $out
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      ln -s $dep1/file1 $out/file1
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      ln -s $dep2/file2 $out/file2
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    '';
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  };
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  makeTest = nr: allowreqs: mkDerivation {
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    name = "check-reqs-" + toString nr;
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    inherit deps;
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    builder = builtins.toFile "builder.sh" ''
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      mkdir $out
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      ln -s $deps $out/depdir1
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    '';
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    allowedRequisites = allowreqs;
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  };
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  # When specifying all the requisites, the build succeeds.
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  test1 = makeTest 1 [ dep1 dep2 deps ];
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  # But missing anything it fails.
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  test2 = makeTest 2 [ dep2 deps ];
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  test3 = makeTest 3 [ dep1 deps ];
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  test4 = makeTest 4 [ deps ];
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  test5 = makeTest 5 [];
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  test6 = mkDerivation {
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    name = "check-reqs";
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    inherit deps;
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    builder = builtins.toFile "builder.sh" "mkdir $out; ln -s $deps $out/depdir1";
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    disallowedRequisites = [dep1];
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  };
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  test7 = mkDerivation {
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    name = "check-reqs";
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    inherit deps;
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    builder = builtins.toFile "builder.sh" "mkdir $out; ln -s $deps $out/depdir1";
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    disallowedRequisites = [test1];
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  };
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}
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