nix/tests/functional/recursive.nix

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let config_nix = /. + "${builtins.getEnv "_NIX_TEST_BUILD_DIR"}/config.nix"; in
with import config_nix;
mkDerivation rec {
name = "recursive";
dummy = builtins.toFile "dummy" "bla bla";
SHELL = shell;
# Note: this is a string without context.
unreachable = builtins.getEnv "unreachable";
NIX_TESTS_CA_BY_DEFAULT = builtins.getEnv "NIX_TESTS_CA_BY_DEFAULT";
requiredSystemFeatures = [ "recursive-nix" ];
buildCommand = ''
mkdir $out
opts="--experimental-features nix-command ${if (NIX_TESTS_CA_BY_DEFAULT == "1") then "--extra-experimental-features ca-derivations" else ""}"
PATH=${builtins.getEnv "NIX_BIN_DIR"}:$PATH
# Check that we can query/build paths in our input closure.
nix $opts path-info $dummy
nix $opts build $dummy
# Make sure we cannot query/build paths not in out input closure.
[[ -e $unreachable ]]
(! nix $opts path-info $unreachable)
(! nix $opts build $unreachable)
# Add something to the store.
echo foobar > foobar
foobar=$(nix $opts store add-path ./foobar)
nix $opts path-info $foobar
nix $opts build $foobar
# Add it to our closure.
ln -s $foobar $out/foobar
[[ $(nix $opts path-info --all | wc -l) -eq 4 ]]
# Build a derivation.
nix $opts build -L --impure --expr '
with import ${config_nix};
mkDerivation {
name = "inner1";
buildCommand = "echo $fnord blaat > $out";
fnord = builtins.toFile "fnord" "fnord";
}
'
[[ $(nix $opts path-info --json ./result) =~ fnord ]]
ln -s $(nix $opts path-info ./result) $out/inner1
'';
}