diff options
-rw-r--r-- | lib/options.nix | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/options.nix b/lib/options.nix index a53b8c9f264c7..7407905131b50 100644 --- a/lib/options.nix +++ b/lib/options.nix @@ -192,8 +192,21 @@ rec { Example: (showOption ["foo" "bar" "baz"]) == "foo.bar.baz" (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" + (showOption ["foo" "<name>" "bar"]) == "foo.<name>.bar" + + Unlike attributes, options can also start with numbers: + (showOption ["windowManager" "2bwm" "enable"]) == "windowManager.2bwm.enable" */ - showOption = parts: concatMapStringsSep "." escapeNixIdentifier parts; + 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; showFiles = files: concatStringsSep " and " (map (f: "`${f}'") files); unknownModule = "<unknown-file>"; |