3
0
Fork 0
forked from mirrors/nixpkgs

Merge pull request #115919 from Ma27/module-error-improvement

lib/modules: better error message if an attr-set of options is expected
This commit is contained in:
Silvan Mosberger 2021-03-26 00:27:35 +01:00 committed by GitHub
commit 3d19f1d574
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 1 deletions

View file

@ -361,6 +361,17 @@ rec {
*/
byName = attr: f: modules:
foldl' (acc: module:
if !(builtins.isAttrs module.${attr}) then
throw ''
You're trying to declare a value of type `${builtins.typeOf module.${attr}}'
rather than an attribute-set for the option
`${builtins.concatStringsSep "." prefix}'!
This usually happens if `${builtins.concatStringsSep "." prefix}' has option
definitions inside that are not matched. Please check how to properly define
this option by e.g. referring to `man 5 configuration.nix'!
''
else
acc // (mapAttrs (n: v:
(acc.${n} or []) ++ f module v
) module.${attr}

View file

@ -169,7 +169,7 @@ checkConfigOutput "foo" config.submodule.foo ./declare-submoduleWith-special.nix
## shorthandOnlyDefines config behaves as expected
checkConfigOutput "true" config.submodule.config ./declare-submoduleWith-shorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigError 'is not of type `boolean' config.submodule.config ./declare-submoduleWith-shorthand.nix ./define-submoduleWith-noshorthand.nix
checkConfigError 'value is a boolean while a set was expected' config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigError "You're trying to declare a value of type \`bool'\nrather than an attribute-set for the option" config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigOutput "true" config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-noshorthand.nix
## submoduleWith should merge all modules in one swoop