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fix: mapAttrs' can't deal with null #85

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merged 1 commit into from
Oct 11, 2024
Merged

fix: mapAttrs' can't deal with null #85

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11 changes: 10 additions & 1 deletion nix/modules/flake-parts/autowire.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,20 @@
{
config =
let
# Combine mapAttrs' and filterAttrs
#
# f can return null if the attribute should be filtered out.
mapAttrsMaybe = f: attrs:
lib.pipe attrs [
(lib.mapAttrsToList f)
(builtins.filter (x: x != null))
builtins.listToAttrs
];
forAllNixFiles = dir: f:
if builtins.pathExists dir then
lib.pipe dir [
builtins.readDir
(lib.mapAttrs' (fn: type:
(mapAttrsMaybe (fn: type:
if type == "regular" then
let name = lib.removeSuffix ".nix" fn; in
lib.nameValuePair name (f "${dir}/${fn}")
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