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Test IFD/filterSource in a chroot

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Relevant to #11503.
This commit is contained in:
Eelco Dolstra 2024-09-18 12:42:20 +02:00
parent ee3f0b7a8b
commit 8690b6f138
2 changed files with 47 additions and 11 deletions
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17
tests/functional/import-from-derivation.nix
View file

@ -1,7 +1,6 @@
with import ./config.nix;
let
rec {
bar = mkDerivation {
name = "bar";
builder = builtins.toFile "builder.sh"
@ -15,12 +14,20 @@ let
assert builtins.pathExists bar;
import bar;
in
mkDerivation {
result = mkDerivation {
name = "foo";
builder = builtins.toFile "builder.sh"
''
echo -n FOO${toString value} > $out
'';
};
addPath = mkDerivation {
name = "add-path";
src = builtins.filterSource (path: type: true) result;
builder = builtins.toFile "builder.sh"
''
echo -n BLA$(cat $src) > $out
'';
};
}

33
tests/functional/import-from-derivation.sh
View file

@ -4,11 +4,40 @@ source common.sh
clearStoreIfPossible
if nix-instantiate --readonly-mode ./import-from-derivation.nix; then
if nix-instantiate --readonly-mode ./import-from-derivation.nix -A result; then
echo "read-only evaluation of an imported derivation unexpectedly failed"
exit 1
fi
outPath=$(nix-build ./import-from-derivation.nix --no-out-link)
outPath=$(nix-build ./import-from-derivation.nix -A result --no-out-link)
[ "$(cat "$outPath")" = FOO579 ]
# Test filterSource on the result of a derivation.
outPath2=$(nix-build ./import-from-derivation.nix -A addPath --no-out-link)
[[ "$(cat "$outPath2")" = BLAFOO579 ]]
# Test that IFD works with a chroot store.
if canUseSandbox; then
store2="$TEST_ROOT/store2"
store2_url="$store2?store=$NIX_STORE_DIR"
# Copy the derivation outputs to the chroot store to avoid having
# to actually build anything, as that would fail due to the lack
# of a shell in the sandbox. We only care about testing the IFD
# semantics.
for i in bar result addPath; do
nix copy --to "$store2_url" --no-check-sigs "$(nix-build ./import-from-derivation.nix -A $i --no-out-link)"
done
clearStore
outPath_check=$(nix-build ./import-from-derivation.nix -A result --no-out-link --store "$store2_url")
[[ "$outPath" = "$outPath_check" ]]
[[ ! -e "$outPath" ]]
[[ -e "$store2/nix/store/$(basename $outPath)" ]]
outPath2_check=$(nix-build ./import-from-derivation.nix -A addPath --no-out-link --store "$store2_url")
[[ "$outPath2" = "$outPath2_check" ]]
fi