Following the previous email, As I found nothing doing that in lib.types, I played a little with nix-repl and made a PR adding this functionality
https://github.com/NixOS/nixpkgs/pull/12534 It was the first time I seriously used nix-repl and it is really nice. Thanks for making a such useful tool! On Fri, Jan 22, 2016 at 01:31:37PM +0900, Eric Sagnes wrote: > Hi, > > I would like to force an option of type `types.listOf packages` to allow only > a certain list of packages. > Something like `types.someOf packages [ pkgs.pluginA pkgs.pluginB > pkgs.pluginC ]`. > > So that if a user set `myModule.plugins = [ pkgs.pluginA pkgs.firefox ]`, it > gives an error like > "Invalid value `pkgs.firefox` for `myModule.plugins. Values should be some of > [ pkgs.pluginA pkgs.pluginB pkgs.pluginC ]"; > > Is there a way to achieve this? > -- Eric Sagnes サニエ エリック _______________________________________________ nix-dev mailing list [email protected] http://lists.science.uu.nl/mailman/listinfo/nix-dev
