lib/modules: Test the ability for config to depend on options for compatibility

This commit is contained in:
Robert Hensing 2020-03-17 20:21:10 +01:00
parent b6a5079800
commit 31206e44e1
2 changed files with 21 additions and 0 deletions

View file

@ -185,6 +185,11 @@ checkConfigError 'The option .* defined in .* does not exist' config.enable ./di
# Check that imports can depend on derivations
checkConfigOutput "true" config.enable ./import-from-store.nix
# Check that configs can be conditional on option existence
checkConfigOutput true config.enable ./define-option-dependently.nix ./declare-enable.nix ./declare-int-positive-value.nix
checkConfigOutput 360 config.value ./define-option-dependently.nix ./declare-enable.nix ./declare-int-positive-value.nix
checkConfigOutput 7 config.value ./define-option-dependently.nix ./declare-int-positive-value.nix
# Check attrsOf and lazyAttrsOf. Only lazyAttrsOf should be lazy, and only
# attrsOf should work with conditional definitions
# In addition, lazyAttrsOf should honor an options emptyValue

View file

@ -0,0 +1,16 @@
{ lib, options, ... }:
# Some modules may be distributed separately and need to adapt to other modules
# that are distributed and versioned separately.
{
# Always defined, but the value depends on the presence of an option.
config = {
value = if options ? enable then 360 else 7;
}
# Only define if possible.
// lib.optionalAttrs (options ? enable) {
enable = true;
};
}