diff options
Diffstat (limited to 'lib/meta.nix')
| -rw-r--r-- | lib/meta.nix | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/meta.nix b/lib/meta.nix index 44730a71551e..2e817c42327d 100644 --- a/lib/meta.nix +++ b/lib/meta.nix @@ -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}"; } |