philipp
/
nixpkgs
1
0
Fork 0
Code Issues Pull Requests Projects Releases Activity

mkOverridable: Use functors to allow overridable functions

gstqt5
Shea Levy 2015-01-09 13:24:58 -05:00
parent 96ae5d58bf
commit 4ee556cfe9
2 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
default.nix
View File

@ -1,6 +1,6 @@
if ! builtins ? nixVersion || builtins.compareVersions "1.7" builtins.nixVersion == 1 then
if ! builtins ? nixVersion || builtins.compareVersions "1.8" builtins.nixVersion == 1 then
abort "This version of Nixpkgs requires Nix >= 1.7, please upgrade!"
abort "This version of Nixpkgs requires Nix >= 1.8, please upgrade!"
else

7
lib/customisation.nix
View File

@ -65,6 +65,13 @@ rec {
overrideDerivation = fdrv:
makeOverridable (args: overrideDerivation (f args) fdrv) origArgs;
})
else if builtins.isFunction ff then
{ override = newArgs:
makeOverridable f (origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs));
__functor = self: ff;
deepOverride = throw "deepOverride not yet supported for functors";
overrideDerivation = throw "overrideDerivation not yet supported for functors";
}
else ff;
deepOverrider = newArgs: name: x: if builtins.isAttrs x then (