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lib/modules: better error for invalid option declarations

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Make `byName` aware of whether it's processing options or config to give
slightly more accurate error messages.
This commit is contained in:
Naïm Favier 2023-03-22 11:23:21 +01:00
parent 435d253bd6
commit 8751764236
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GPG key ID: 95AFCE8211908325
2 changed files with 9 additions and 5 deletions
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12
lib/modules.nix
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@ -567,15 +567,19 @@ rec {
zipAttrsWith (n: concatLists)
(map (module: let subtree = module.${attr}; in
if !(builtins.isAttrs subtree) then
throw ''
You're trying to declare a value of type `${builtins.typeOf subtree}'
rather than an attribute-set for the option
throw (if attr == "config" then ''
You're trying to define a value of type `${builtins.typeOf subtree}'
rather than an attribute set for the option
`${builtins.concatStringsSep "." prefix}'!
This usually happens if `${builtins.concatStringsSep "." prefix}' has option
definitions inside that are not matched. Please check how to properly define
this option by e.g. referring to `man 5 configuration.nix'!
''
'' else ''
An option declaration for `${builtins.concatStringsSep "." prefix}' has type
`${builtins.typeOf subtree}' rather than an attribute set.
Did you mean to define this outside of `options'?
'')
else
mapAttrs (n: f module) subtree
) modules);

2
lib/tests/modules.sh
View file

@ -189,7 +189,7 @@ checkConfigOutput '^"foo"$' config.submodule.foo ./declare-submoduleWith-special
## shorthandOnlyDefines config behaves as expected
checkConfigOutput '^true$' 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 "You're trying to declare a value of type \`bool'\n\s*rather than an attribute-set for the option" config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigError "You're trying to define a value of type \`bool'\n\s*rather 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