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Add note: Keep error message in sync with nixos-option

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Chuck 2019-09-16 08:21:54 -07:00 committed by Linus Heckemann
parent c352bfeaf0
commit 4ded9beea2
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lib/modules.nix
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@ -326,6 +326,8 @@ rec {
# The value with a check that it is defined
valueDefined = if res.isDefined then res.mergedValue else
# (nixos-option detects this specific error message and gives it special
# handling. If changed here, please change it there too.)
throw "The option `${showOption loc}' is used but not defined.";
# Apply the 'apply' function to the merged value. This allows options to