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lib/modules: clarify error message of 'assigning to top-level attribute'

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If I understand correctly, the problem isn't so much that you're assigning to
that top-level attribute, but that the assignment to the attribute (or any
child of the attribute) introduces the 'config' object and prevents 'lifting'
all settings to a generated 'config' object.
This commit is contained in:
Arnout Engelen 2019-12-30 16:08:03 +01:00
parent 863794cbba
commit 43ef3a8d00
1 changed files with 1 additions and 1 deletions
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lib/modules.nix
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@ -123,7 +123,7 @@ rec {
if m ? config || m ? options then
let badAttrs = removeAttrs m ["_file" "key" "disabledModules" "imports" "options" "config" "meta"]; in
if badAttrs != {} then
throw "Module `${key}' has an unsupported attribute `${head (attrNames badAttrs)}'. This is caused by assignments to the top-level attributes `config' or `options'."
throw "Module `${key}' has an unsupported attribute `${head (attrNames badAttrs)}'. This is caused by introducing a top-level `config' or `options' attribute. Add configuration attributes immediately on the top level instead, or move all of them (namely: ${toString (attrNames badAttrs)}) into the explicit `config' attribute."
else
{ file = m._file or file;
key = toString m.key or key;