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lib.getExe': check arguments

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Gerg-L 2023-10-13 20:45:19 -04:00
parent 959de2cf8b
commit d7c49ca715
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9
lib/meta.nix
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@ -162,5 +162,12 @@ rec {
getExe' pkgs.imagemagick "convert"
=> "/nix/store/5rs48jamq7k6sal98ymj9l4k2bnwq515-imagemagick-7.1.1-15/bin/convert"
*/
getExe' = x: y: "${lib.getBin x}/bin/${y}";
getExe' = x: y:
assert lib.assertMsg (lib.isDerivation x)
"lib.meta.getExe': The first argument is of type ${builtins.typeOf x}, but it should be a derivation instead.";
assert lib.assertMsg (lib.isString y)
"lib.meta.getExe': The second argument is of type ${builtins.typeOf y}, but it should be a string instead.";
assert lib.assertMsg (builtins.length (lib.splitString "/" y) == 1)
"lib.meta.getExe': The second argument \"${y}\" is a nested path with a \"/\" character, but it should just be the name of the executable instead.";
"${lib.getBin x}/bin/${y}";
}