This CL can be used to compare the style of nixpkgs-fmt against other formatters (nixpkgs, alejandra). Change-Id: I87c6abff6bcb546b02ead15ad0405f81e01b6d9e Reviewed-on: https://cl.tvl.fyi/c/depot/+/4397 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: lukegb <lukegb@tvl.fyi> Reviewed-by: wpcarro <wpcarro@gmail.com> Reviewed-by: Profpatsch <mail@profpatsch.de> Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: cynthia <cynthia@tvl.fyi> Reviewed-by: edef <edef@edef.eu> Reviewed-by: eta <tvl@eta.st> Reviewed-by: grfn <grfn@gws.fyi>
		
			
				
	
	
		
			73 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			1.3 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| { lib }:
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| let
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| 
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|   netstring = tag: suffix: s:
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|     "${tag}${toString (builtins.stringLength s)}:${s}${suffix}";
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| 
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|   unit = "u,";
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| 
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|   n1 = b: if b then "n1:1," else "n1:0,";
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| 
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|   n = i: n: "n${toString i}:${toString n},";
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|   i = i: n: "i${toString i}:${toString n},";
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| 
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|   n3 = n 3;
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|   n6 = n 6;
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|   n7 = n 7;
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| 
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|   i3 = i 3;
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|   i6 = i 6;
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|   i7 = i 7;
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| 
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|   text = netstring "t" ",";
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|   binary = netstring "b" ",";
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| 
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|   tag = key: val: netstring "<" "|" key + val;
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| 
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|   concatStrings = builtins.concatStringsSep "";
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| 
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|   record = lokv: netstring "{" "}"
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|     (concatStrings (map ({ key, val }: tag key val) lokv));
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| 
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|   list = l: netstring "[" "]" (concatStrings l);
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| 
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|   dwim = val:
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|     let
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|       match = {
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|         "bool" = n1;
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|         "int" = i6;
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|         "string" = text;
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|         "set" = attrs:
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|           # it could be a derivation, then just return the path
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|           if attrs.type or "" == "derivation" then text "${attrs}"
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|           else
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|             record (lib.mapAttrsToList
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|               (k: v: {
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|                 key = k;
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|                 val = dwim v;
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|               })
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|               attrs);
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|         "list" = l: list (map dwim l);
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|       };
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|     in
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|     match.${builtins.typeOf val} val;
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| 
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| in
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| {
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|   inherit
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|     unit
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|     n1
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|     n3
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|     n6
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|     n7
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|     i3
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|     i6
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|     i7
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|     text
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|     binary
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|     tag
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|     record
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|     list
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|     dwim
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|     ;
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| }
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