forked from mirrors/nixpkgs
54 lines
1.2 KiB
Nix
54 lines
1.2 KiB
Nix
# sets of small configurations:
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# Each configuration
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rec {
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# has 2 arguments pkgs and this.
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configA = pkgs: this: {
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# Can depends on other configuration
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require = configB;
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# Defines new options
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optionA = pkgs.lib.mkOption {
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# With default values
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default = false;
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# And merging functions.
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merge = pkgs.lib.mergeEnableOption;
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};
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# Add a new definition to other options.
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optionB = this.optionA;
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};
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# Can be used for option header.
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configB = pkgs: this: {
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# Can depends on more than one configuration.
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require = [ configC configD ];
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optionB = pkgs.lib.mkOption {
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default = false;
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};
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# Is not obliged to define other options.
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};
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configC = pkgs: this: {
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require = [ configA ];
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optionC = pkgs.lib.mkOption {
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default = false;
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};
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# Use the default value if it is not overwritten.
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optionA = this.optionC;
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};
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# Can also be used as option configuration only.
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# without any arguments (backward compatibility)
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configD = {
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# Is not forced to specify the require attribute.
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# Is not force to make new options.
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optionA = true;
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optionD = false;
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};
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}
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