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Add test that shows that the aliases are able to override options.
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@ -151,6 +151,9 @@ checkConfigOutput "1 2 3 4 5 6 7 8 9 10" config.result ./loaOf-with-many-list-me
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# Check mkAliasOptionModuleWithPriority.
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# Check mkAliasOptionModuleWithPriority.
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checkConfigOutput "true" config.enable ./alias-with-priority.nix
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checkConfigOutput "true" config.enable ./alias-with-priority.nix
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checkConfigOutput "true" config.enableAlias ./alias-with-priority.nix
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checkConfigOutput "false" config.enable ./alias-with-priority-can-override.nix
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checkConfigOutput "false" config.enableAlias ./alias-with-priority-can-override.nix
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cat <<EOF
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cat <<EOF
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====== module tests ======
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====== module tests ======
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52
lib/tests/modules/alias-with-priority-can-override.nix
Normal file
52
lib/tests/modules/alias-with-priority-can-override.nix
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@ -0,0 +1,52 @@
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# This is a test to show that mkAliasOptionModule sets the priority correctly
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# for aliased options.
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{ config, lib, ... }:
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with lib;
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{
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options = {
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# A simple boolean option that can be enabled or disabled.
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enable = lib.mkOption {
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type = types.nullOr types.bool;
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default = null;
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example = true;
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description = ''
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Some descriptive text
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'';
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};
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# mkAliasOptionModule sets warnings, so this has to be defined.
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warnings = mkOption {
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internal = true;
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default = [];
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type = types.listOf types.str;
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example = [ "The `foo' service is deprecated and will go away soon!" ];
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description = ''
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This option allows modules to show warnings to users during
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the evaluation of the system configuration.
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'';
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};
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};
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imports = [
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# Create an alias for the "enable" option.
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(mkAliasOptionModuleWithPriority [ "enableAlias" ] [ "enable" ])
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# Disable the aliased option, but with a default (low) priority so it
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# should be able to be overridden by the next import.
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( { config, lib, ... }:
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{
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enableAlias = lib.mkForce false;
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}
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)
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# Enable the normal (non-aliased) option.
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( { config, lib, ... }:
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{
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enable = true;
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}
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)
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];
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}
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