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lib/types: enhances separatedString's description

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The previous description "string" is misleading in the full options
manual pages; they are actually concatenated strings, with a specific
character.

The empty string version ("types.string") has been special-cased to
provide a better message.
This commit is contained in:
Samuel Dionne-Riel 2018-10-11 21:23:11 -04:00
parent 0a7e258012
commit 0808c7cd31
1 changed files with 4 additions and 1 deletions
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5
lib/types.nix
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@ -194,7 +194,10 @@ rec {
# separator between the values).
separatedString = sep: mkOptionType rec {
name = "separatedString";
description = "string";
description = if sep == ""
then "Concatenated string" # for types.string.
else "strings concatenated with ${builtins.toJSON sep}"
;
check = isString;
merge = loc: defs: concatStringsSep sep (getValues defs);
functor = (defaultFunctor name) // {