35 lines
		
	
	
	
		
			956 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
	
		
			956 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
| {
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|   config,
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|   lib,
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|   osConfig,
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|   ...
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| }: let
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|   cfg = config.impermanence;
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| in {
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|   options.impermanence = {
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|     enable = lib.mkEnableOption "impermanence for home directory";
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|     fallbackPersistence.enable = lib.mkOption {
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|       type = lib.types.bool;
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|       default = true;
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|     };
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|   };
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| 
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|   config = lib.mkMerge [
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|     (lib.mkIf config.impermanence.enable {
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|       assertions = [
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|         {
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|           assertion = osConfig.host.impermanence.enable;
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|           message = "impermanence can not be enabled for a user when it is not enabled for the system";
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|         }
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|       ];
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|     })
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|     # If impermanence is not enabled for this user but system impermanence is enabled,
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|     # persist the entire home directory as fallback
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|     (lib.mkIf (osConfig.host.impermanence.enable && !cfg.enable && cfg.fallbackPersistence.enable) {
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|       home.persistence."/persist/home/${config.home.username}" = {
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|         directories = ["."];
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|         allowOther = true;
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|       };
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|     })
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|   ];
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| }
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