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nixos/btrbk: Optimize sort

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This avoids computing the prio more than necessary.
The test evaluates to the same derivation hash.
This commit is contained in:
Robert Hensing 2023-12-07 20:02:13 +01:00
parent 016993237f
commit 7438f4e0de
1 changed files with 2 additions and 2 deletions
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4
nixos/modules/services/backup/btrbk.nix
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@ -13,7 +13,7 @@ let
mkIf
mkOption
optionalString
sort
sortOn
types
;
@ -37,7 +37,7 @@ let
genConfig = set:
let
pairs = mapAttrsToList (name: value: { inherit name value; }) set;
sortedPairs = sort (a: b: prioOf a < prioOf b) pairs;
sortedPairs = sortOn prioOf pairs;
in
concatMap genPair sortedPairs;
genSection = sec: secName: value: