lix/tests/content-addressed.sh

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#!/usr/bin/env bash
source common.sh
drv=$(nix-instantiate --experimental-features ca-derivations ./content-addressed.nix -A root --arg seed 1)
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nix --experimental-features 'nix-command ca-derivations' show-derivation --derivation "$drv" --arg seed 1
testDerivation () {
local derivationPath=$1
local commonArgs=("--experimental-features" "ca-derivations" "./content-addressed.nix" "-A" "$derivationPath" "--no-out-link")
local out1=$(nix-build "${commonArgs[@]}" --arg seed 1)
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local out2=$(nix-build "${commonArgs[@]}" --arg seed 2 "${extraArgs[@]}")
test $out1 == $out2
}
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testDerivation root
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# The seed only changes the root derivation, and not it's output, so the
# dependent derivations should only need to be built once.
extaArgs=(-j0)
testDerivation dependent
testDerivation transitivelyDependent