a4e5de1b9d
In particular, this means that derivations can output derivations. But that ramification isn't (yet!) useful as we would want, since there is no way to have a dependent derivation that is itself a dependent derivation.
30 lines
744 B
Nix
30 lines
744 B
Nix
with import ./config.nix;
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# A simple content-addressed derivation.
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# The derivation can be arbitrarily modified by passing a different `seed`,
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# but the output will always be the same
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rec {
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root = mkDerivation {
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name = "text-hashed-root";
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buildCommand = ''
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set -x
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echo "Building a CA derivation"
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mkdir -p $out
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echo "Hello World" > $out/hello
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'';
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__contentAddressed = true;
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outputHashMode = "recursive";
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outputHashAlgo = "sha256";
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};
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dependent = mkDerivation {
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name = "text-hashed-root.drv";
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buildCommand = ''
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echo "Copying the derivation"
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cp ${root.drvPath} $out
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'';
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__contentAddressed = true;
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outputHashMode = "text";
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outputHashAlgo = "sha256";
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};
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}
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