nix/tests/ca/build.sh
regnat bf485dcf46 Properly normalize the content-addressed paths
Make sure that their timestamp are always normalized.
Otherwise, strange − and non-deterministic − things might happen, like
https://github.com/NixOS/nixpkgs/issues/121813

Fix #4775
2021-05-05 21:00:08 +02:00

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#!/usr/bin/env bash
source common.sh
drv=$(nix-instantiate --experimental-features ca-derivations ./content-addressed.nix -A rootCA --arg seed 1)
nix --experimental-features 'nix-command ca-derivations' show-derivation --derivation "$drv" --arg seed 1
buildAttr () {
local derivationPath=$1
local seedValue=$2
shift; shift
local args=("--experimental-features" "ca-derivations" "./content-addressed.nix" "-A" "$derivationPath" --arg seed "$seedValue" "--no-out-link")
args+=("$@")
nix-build "${args[@]}"
}
testRemoteCache () {
clearCache
local outPath=$(buildAttr dependentNonCA 1)
nix copy --to file://$cacheDir $outPath
clearStore
buildAttr dependentNonCA 1 --option substituters file://$cacheDir --no-require-sigs |& (! grep "building dependent-non-ca")
}
testDeterministicCA () {
[[ $(buildAttr rootCA 1) = $(buildAttr rootCA 2) ]]
}
testCutoffFor () {
local out1 out2
out1=$(buildAttr $1 1)
# The seed only changes the root derivation, and not it's output, so the
# dependent derivations should only need to be built once.
buildAttr rootCA 2
out2=$(buildAttr $1 2 -j0)
test "$out1" == "$out2"
}
testCutoff () {
# Don't directly build depenentCA, that way we'll make sure we dodn't rely on
# dependent derivations always being already built.
#testDerivation dependentCA
testCutoffFor transitivelyDependentCA
testCutoffFor dependentNonCA
testCutoffFor dependentFixedOutput
}
testGC () {
nix-instantiate --experimental-features ca-derivations ./content-addressed.nix -A rootCA --arg seed 5
nix-collect-garbage --experimental-features ca-derivations --option keep-derivations true
clearStore
buildAttr rootCA 1 --out-link $TEST_ROOT/rootCA
nix-collect-garbage --experimental-features ca-derivations
buildAttr rootCA 1 -j0
}
testNixCommand () {
clearStore
nix build --experimental-features 'nix-command ca-derivations' --file ./content-addressed.nix --no-link
}
# Regression test for https://github.com/NixOS/nix/issues/4775
testNormalization () {
clearStore
outPath=$(buildAttr rootCA 1)
test "$(stat -c %Y $outPath)" -eq 1
}
# Disabled until we have it properly working
# testRemoteCache
clearStore
testNormalization
testDeterministicCA
clearStore
testCutoff
testGC
testNixCommand