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with import ./config.nix;
{ seed ? 0 }:
# A simple content-addressed derivation.
# The derivation can be arbitrarily modified by passing a different `seed`,
# but the output will always be the same
rec {
rootLegacy = mkDerivation {
name = "simple-input-addressed";
buildCommand = ''
set -x
echo "Building a legacy derivation"
mkdir -p $out
echo "Hello World" > $out/hello
'';
};
rootCA = mkDerivation {
name = "dependent";
outputs = [ "out" "dev" ];
buildCommand = ''
echo "building a CA derivation"
echo "The seed is ${toString seed}"
mkdir -p $out
echo ${rootLegacy}/hello > $out/dep
# test symlink at root
ln -s $out $dev
'';
__contentAddressed = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
};
dependentCA = mkDerivation {
name = "dependent";
buildCommand = ''
echo "building a dependent derivation"
mkdir -p $out
echo ${rootCA}/hello > $out/dep
'';
__contentAddressed = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
};
transitivelyDependentCA = mkDerivation {
name = "transitively-dependent";
buildCommand = ''
echo "building transitively-dependent"
cat ${dependentCA}/dep
echo ${dependentCA} > $out
'';
__contentAddressed = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
};
}
|
