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|
source ./common.sh
flakeDir=$TEST_ROOT/flake
mkdir -p "$flakeDir"
writeSimpleFlake "$flakeDir"
cd "$flakeDir"
# By default: Only show the packages content for the current system and no
# legacyPackages at all
nix flake show --json > show-output.json
nix eval --impure --expr '
let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
in
assert show_output.packages.someOtherSystem.default == {};
assert show_output.packages.${builtins.currentSystem}.default.name == "simple";
assert show_output.legacyPackages.${builtins.currentSystem} == {};
true
'
# With `--all-systems`, show the packages for all systems
nix flake show --json --all-systems > show-output.json
nix eval --impure --expr '
let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
in
assert show_output.packages.someOtherSystem.default.name == "simple";
assert show_output.legacyPackages.${builtins.currentSystem} == {};
true
'
# With `--legacy`, show the legacy packages
nix flake show --json --legacy > show-output.json
nix eval --impure --expr '
let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
in
assert show_output.legacyPackages.${builtins.currentSystem}.hello.name == "simple";
true
'
# Test that attributes are only reported when they have actual content
cat >flake.nix <<EOF
{
description = "Bla bla";
outputs = inputs: rec {
apps.$system = { };
checks.$system = { };
devShells.$system = { };
legacyPackages.$system = { };
packages.$system = { };
packages.someOtherSystem = { };
formatter = { };
nixosConfigurations = { };
nixosModules = { };
};
}
EOF
nix flake show --json --all-systems > show-output.json
nix eval --impure --expr '
let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
in
assert show_output == { };
true
'
# Test that attributes with errors are handled correctly.
# nixpkgs.legacyPackages is a particularly prominent instance of this.
cat >flake.nix <<EOF
{
outputs = inputs: {
legacyPackages.$system = {
AAAAAASomeThingsFailToEvaluate = throw "nooo";
simple = import ./simple.nix;
};
};
}
EOF
nix flake show --json --legacy --all-systems > show-output.json
nix eval --impure --expr '
let show_output = builtins.fromJSON (builtins.readFile ./show-output.json);
in
assert show_output.legacyPackages.${builtins.currentSystem}.AAAAAASomeThingsFailToEvaluate == { };
assert show_output.legacyPackages.${builtins.currentSystem}.simple.name == "simple";
true
'
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