55 lines
1.4 KiB
Nix
55 lines
1.4 KiB
Nix
with import ./config.nix;
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{ seed ? 0 }:
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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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rootLegacy = mkDerivation {
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name = "simple-input-addressed";
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buildCommand = ''
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set -x
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echo "Building a legacy 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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rootCA = mkDerivation {
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name = "dependent";
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buildCommand = ''
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echo "building a CA derivation"
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echo "The seed is ${toString seed}"
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mkdir -p $out
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echo ${rootLegacy}/hello > $out/dep
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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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dependentCA = mkDerivation {
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name = "dependent";
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buildCommand = ''
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echo "building a dependent derivation"
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mkdir -p $out
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echo ${rootCA}/hello > $out/dep
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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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transitivelyDependentCA = mkDerivation {
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name = "transitively-dependent";
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buildCommand = ''
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echo "building transitively-dependent"
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cat ${dependentCA}/dep
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echo ${dependentCA} > $out
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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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}
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