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lib/modules: improve error message when option is being accessed that isn't defined (#338362)

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Robert Hensing 2024-09-02 10:08:49 +02:00 committed by GitHub
commit 92f4ef78de
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3 changed files with 6 additions and 6 deletions
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2
lib/modules.nix
View File

@ -861,7 +861,7 @@ let
else
# (nixos-option detects this specific error message and gives it special
# handling. If changed here, please change it there too.)
throw "The option `${showOption loc}' is used but not defined.";
throw "The option `${showOption loc}' was accessed but has no value defined. Try setting the option.";
isDefined = defsFinal != [];

8
lib/tests/modules.sh
View File

@ -312,7 +312,7 @@ checkConfigOutput '^".*Hello.*"$' options.namedPackage.description ./declare-mkP
checkConfigOutput '^"hello"$' config.pathPackage.pname ./declare-mkPackageOption.nix
checkConfigOutput '^"pkgs\.hello\.override \{ stdenv = pkgs\.clangStdenv; \}"$' options.packageWithExample.example.text ./declare-mkPackageOption.nix
checkConfigOutput '^".*Example extra description\..*"$' options.packageWithExtraDescription.description ./declare-mkPackageOption.nix
checkConfigError 'The option .undefinedPackage. is used but not defined' config.undefinedPackage ./declare-mkPackageOption.nix
checkConfigError 'The option .undefinedPackage. was accessed but has no value defined. Try setting the option.' config.undefinedPackage ./declare-mkPackageOption.nix
checkConfigOutput '^null$' config.nullablePackage ./declare-mkPackageOption.nix
checkConfigOutput '^"null or package"$' options.nullablePackageWithDefault.type.description ./declare-mkPackageOption.nix
checkConfigOutput '^"myPkgs\.hello"$' options.packageWithPkgsText.defaultText.text ./declare-mkPackageOption.nix
@ -410,7 +410,7 @@ checkConfigOutput '^null$' config.foo ./freeform-attrsOf.nix ./freeform-str-dep-
checkConfigOutput '^"24"$' config.foo ./freeform-attrsOf.nix ./freeform-str-dep-unstr.nix ./define-value-string.nix
# Check whether an freeform-typed value can depend on a declared option, this can only work with lazyAttrsOf
checkConfigError 'infinite recursion encountered' config.foo ./freeform-attrsOf.nix ./freeform-unstr-dep-str.nix
checkConfigError 'The option .* is used but not defined' config.foo ./freeform-lazyAttrsOf.nix ./freeform-unstr-dep-str.nix
checkConfigError 'The option .* was accessed but has no value defined. Try setting the option.' config.foo ./freeform-lazyAttrsOf.nix ./freeform-unstr-dep-str.nix
checkConfigOutput '^"24"$' config.foo ./freeform-lazyAttrsOf.nix ./freeform-unstr-dep-str.nix ./define-value-string.nix
# submodules in freeformTypes should have their locations annotated
checkConfigOutput '/freeform-submodules.nix"$' config.fooDeclarations.0 ./freeform-submodules.nix
@ -469,8 +469,8 @@ checkConfigOutput "{}" config.attrs.a ./emptyValues.nix
checkConfigOutput "null" config.null.a ./emptyValues.nix
checkConfigOutput "{}" config.submodule.a ./emptyValues.nix
# These types don't have empty values
checkConfigError 'The option .int.a. is used but not defined' config.int.a ./emptyValues.nix
checkConfigError 'The option .nonEmptyList.a. is used but not defined' config.nonEmptyList.a ./emptyValues.nix
checkConfigError 'The option .int.a. was accessed but has no value defined. Try setting the option.' config.int.a ./emptyValues.nix
checkConfigError 'The option .nonEmptyList.a. was accessed but has no value defined. Try setting the option.' config.nonEmptyList.a ./emptyValues.nix
# types.unique
# requires a single definition

2
pkgs/tools/nix/nixos-option/src/nixos-option.cc
View File

@ -465,7 +465,7 @@ void printValue(Context & ctx, Out & out, std::variant<Value, std::exception_ptr
v.print(ctx.state.symbols, out.ostream);
}
} catch (ThrownError & e) {
if (e.msg() == "The option `" + path + "' is used but not defined.") {
if (e.msg() == "The option `" + path + "' was accessed but has no value defined. Try setting the option.") {
// 93% of errors are this, and just letting this message through would be
// misleading. These values may or may not actually be "used" in the
// config. The thing throwing the error message assumes that if anything