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Merge pull request #85241 from LnL7/show-option

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Revert "lib/options: Use escapeNixIdentifier for showOption"
This commit is contained in:
Silvan Mosberger 2020-04-15 02:04:30 +02:00 committed by GitHub
commit 9f2463ccdc
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1 changed files with 9 additions and 8 deletions
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17
lib/options.nix
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@ -191,7 +191,7 @@ rec {
Example:
(showOption ["foo" "bar" "baz"]) == "foo.bar.baz"
(showOption ["foo" "bar.baz" "tux"]) == "foo.\"bar.baz\".tux"
(showOption ["foo" "bar.baz" "tux"]) == "foo.bar.baz.tux"
Placeholders will not be quoted as they are not actual values:
(showOption ["foo" "*" "bar"]) == "foo.*.bar"
@ -200,13 +200,14 @@ rec {
Unlike attributes, options can also start with numbers:
(showOption ["windowManager" "2bwm" "enable"]) == "windowManager.2bwm.enable"
*/
showOption = parts:
let
escapeOptionPart = part:
if part == "*" || builtins.match "<.+>" part != null || builtins.match "[a-zA-Z0-9_][a-zA-Z0-9_'-]+" part != null
then part
else escapeNixIdentifier part;
in concatMapStringsSep "." escapeOptionPart parts;
showOption = parts: let
escapeOptionPart = part:
let
escaped = lib.strings.escapeNixString part;
in if escaped == "\"${part}\""
then part
else escaped;
in (concatStringsSep ".") (map escapeOptionPart parts);
showFiles = files: concatStringsSep " and " (map (f: "`${f}'") files);
unknownModule = "<unknown-file>";