diff options
Diffstat (limited to 'nixpkgs/pkgs/pkgs-lib/formats.nix')
-rw-r--r-- | nixpkgs/pkgs/pkgs-lib/formats.nix | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/pkgs-lib/formats.nix b/nixpkgs/pkgs/pkgs-lib/formats.nix index 14589f8ecdc3..4b6982f387d0 100644 --- a/nixpkgs/pkgs/pkgs-lib/formats.nix +++ b/nixpkgs/pkgs/pkgs-lib/formats.nix @@ -56,7 +56,16 @@ rec { }; }; - ini = { listsAsDuplicateKeys ? false, ... }@args: { + ini = { + # Represents lists as duplicate keys + listsAsDuplicateKeys ? false, + # Alternative to listsAsDuplicateKeys, converts list to non-list + # listToValue :: [IniAtom] -> IniAtom + listToValue ? null, + ... + }@args: + assert !listsAsDuplicateKeys || listToValue == null; + { type = with lib.types; let @@ -74,12 +83,25 @@ rec { coercedTo singleIniAtom lib.singleton (listOf singleIniAtom) // { description = singleIniAtom.description + " or a list of them for duplicate keys"; } + else if listToValue != null then + coercedTo singleIniAtom lib.singleton (nonEmptyListOf singleIniAtom) // { + description = singleIniAtom.description + " or a non-empty list of them"; + } else singleIniAtom; in attrsOf (attrsOf iniAtom); - generate = name: value: pkgs.writeText name (lib.generators.toINI args value); + generate = name: value: + let + transformedValue = + if listToValue != null + then + lib.mapAttrs (section: lib.mapAttrs (key: val: + if lib.isList val then listToValue val else val + )) value + else value; + in pkgs.writeText name (lib.generators.toINI (removeAttrs args ["listToValue"]) transformedValue); }; |