Hi.

On 08/21/2015 02:07 PM, Profpatsch wrote:
> I noticed there is a trend to use magic strings in some places
> of nixpkgs, where the example is:
> 
> [ "${pkgs.cacert}/etc/ca-bundle.crt" ]

In this particular case of certificates, I believe we don't want to
hardcode them by default. Instead we want to use the $SSL_CERT_FILE
magic string with some good default locations if not set (to catch
non-nixos). We have a ticket for this
https://github.com/NixOS/nixpkgs/issues/8247 with linked discussion
about the possibilities.

For other magic strings, e.g. /run/opengl-driver{,-32}, there was a
proposal to collect them into an attrmap in nixpkgs, and e.g. allow
overriding it. I think that would be a good change.


Vladimir


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