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29 lines
650 B
Nix
29 lines
650 B
Nix
with import ./config.nix;
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let
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input = import ./simple.nix;
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dependent = mkDerivation {
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name = "dependent";
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buildCommand = ''
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mkdir -p $out
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echo -n "$input1" > "$out/file1"
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echo -n "$input2" > "$out/file2"
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'';
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input1 = "${input}/hello";
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input2 = "hello";
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};
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readDependent = mkDerivation {
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# Will evaluate correctly because file2 doesn't have any references,
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# even though the `dependent` derivation does.
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name = builtins.readFile (dependent + "/file2");
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buildCommand = ''
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echo "$input" > "$out"
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'';
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input = builtins.readFile (dependent + "/file1");
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};
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in readDependent
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