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lib/makeOverridable: Abstract result overriding

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This commit is contained in:
Silvan Mosberger 2019-09-05 00:12:05 +02:00
parent a75080f58c
commit e140d709c4
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1 changed files with 4 additions and 3 deletions
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7
lib/customisation.nix
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@ -71,13 +71,14 @@ rec {
# Re-call the function but with different arguments # Re-call the function but with different arguments
overrideArgs = newArgs: makeOverridable f (overrideWith newArgs); overrideArgs = newArgs: makeOverridable f (overrideWith newArgs);
# Change the result of the function call by applying g to it
overrideResult = g: makeOverridable (args: g (f args)) origArgs;
in in
if builtins.isAttrs ff then (ff // { if builtins.isAttrs ff then (ff // {
override = overrideArgs; override = overrideArgs;
overrideDerivation = fdrv: overrideDerivation = fdrv: overrideResult (x: overrideDerivation x fdrv);
makeOverridable (args: overrideDerivation (f args) fdrv) origArgs;
${if ff ? overrideAttrs then "overrideAttrs" else null} = fdrv: ${if ff ? overrideAttrs then "overrideAttrs" else null} = fdrv:
makeOverridable (args: (f args).overrideAttrs fdrv) origArgs; overrideResult (x: x.overrideAttrs fdrv);
}) })
else if lib.isFunction ff then { else if lib.isFunction ff then {
override = overrideArgs; override = overrideArgs;