[Nix-dev] nix-env --arg

[raffalli at univ-savoie.fr]

Hello,

I am trying to add an optional arguments "withKerberos" to openssh and there is something I do not understand with nix-env.

If I first to "nix-env -i openssh --arg withKerberos false"

and then "nix-env -i openssh --arg withKerberos true"

Then openssh is not replaced. It seems that the hash do not depends on argument ?
How can I fix this ?

Another related question: how should we make this kind of options visible from the end user ?
Adding something in all-packages.nix ?

Cheers,
Christophe


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