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lib/flags: Avoid attrset issue with string context

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Mikael Voss 2024-08-24 15:09:07 +02:00
parent ad369da0f9
commit 9044b74987
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1 changed files with 10 additions and 7 deletions
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17
lib/flags.nix
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@ -1,25 +1,28 @@
{ nixpkgs, ... }:
let
inherit (builtins) filter isList isString stringLength;
inherit (nixpkgs.lib.lists) subtractLists;
inherit (builtins)
filter isList
isString stringLength
unsafeDiscardStringContext;
inherit (nixpkgs.lib.lists) flatten subtractLists;
inherit (nixpkgs.lib.strings) addContextFrom;
split = strOrList:
if isList strOrList then strOrList
if isList strOrList then flatten strOrList
else builtins.split "[[:space:]]+" strOrList
|> filter (flag: isString flag && stringLength flag > 0)
|> map (flag: addContextFrom strOrList flag);
|> filter (flag: isString flag && stringLength flag > 0);
remerge = strOrList: list:
if isList strOrList then list
else toString list;
else toString list |> addContextFrom strOrList;
in {
remove = rem: strOrList: split strOrList
|> subtractLists rem
|> remerge strOrList;
subst = sub: strOrList: split strOrList
|> map (flag: sub.${flag} or flag)
|> map (flag: sub.${unsafeDiscardStringContext flag} or flag)
|> remerge strOrList;
}