commit 8c0416ef364f5d5dea9d5694aadc0014bb95c1ca · pyrox.dev/nixpkgs

+26

lib/systems/inspect.nix

···

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           ];

     

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         };

     

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         matchAnyAttrs = patterns:

     

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           if builtins.isList patterns then attrs: any (pattern: matchAttrs pattern attrs) patterns

     

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           else matchAttrs patterns;

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           ];

     

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         };

     

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       +
         # given two patterns, return a pattern which is their logical AND.

     

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         # Since a pattern is a list-of-disjuncts, this needs to

     

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         patternLogicalAnd = pat1_: pat2_:

     

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           let

     

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             # patterns can be either a list or a (bare) singleton; turn

     

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             # them into singletons for uniform handling

     

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             pat1 = lib.toList pat1_;

     

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             pat2 = lib.toList pat2_;

     

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           in

     

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             lib.concatMap (attr1:

     

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               map (attr2:

     

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                 lib.recursiveUpdateUntil

     

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                   (path: subattr1: subattr2:

     

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                     if (builtins.intersectAttrs subattr1 subattr2) == {} || subattr1 == subattr2

     

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                     then true

     

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                     else throw ''

     

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                       pattern conflict at path ${toString path}:

     

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                         ${builtins.toJSON subattr1}

     

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                         ${builtins.toJSON subattr2}

     

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                       '')

     

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                   attr1

     

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                   attr2

     

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                   )

     

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                 pat2)

     

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               pat1;

     

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       +
       

     

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         matchAnyAttrs = patterns:

     

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           if builtins.isList patterns then attrs: any (pattern: matchAttrs pattern attrs) patterns

     

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           else matchAttrs patterns;