diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/modules.nix | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/modules.nix b/lib/modules.nix index 9c308d347cf..2ec34699809 100644 --- a/lib/modules.nix +++ b/lib/modules.nix @@ -115,8 +115,19 @@ rec { checkUnmatched = if config._module.check && config._module.freeformType == null && merged.unmatchedDefns != [] then - let firstDef = head merged.unmatchedDefns; - in throw "The option `${showOption (prefix ++ firstDef.prefix)}' defined in `${firstDef.file}' does not exist." + let + firstDef = head merged.unmatchedDefns; + baseMsg = "The option `${showOption (prefix ++ firstDef.prefix)}' defined in `${firstDef.file}' does not exist."; + in + if attrNames options == [ "_module" ] + then throw '' + ${baseMsg} + + However there are no options defined in `${showOption prefix}'. Are you sure you've + declared your options properly? This can happen if you e.g. declared your options in `types.submodule' + under `config' rather than `options'. + '' + else throw baseMsg else null; result = builtins.seq checkUnmatched { |