Introduce networking.hostFiles option
#81945
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When blocklists are built with a derivation, using extraHosts would require IFD, since the result of the derivation needs to be converted to a string again. By introducing this option no IFD is needed for such use-cases, since the fetched files can be assigned directly.
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6.topic: nixos
ehmry
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Mar 12, 2020
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Motivation for this change
When blocklists are built with a derivation, using
extraHostswouldrequire IFD (import-from-derivation), since the result of the derivation needs to be converted to
a string again.
By introducing this option no IFD is needed for such use-cases, since
the fetched files can be assigned directly.
A second commit changes the cjdns module to use this new option so no IFD is needed. A third commit just fixes a doc rendering issue in the cjdns module.
This change will be useful for #80113 as well, so ping @pasqui23
Ping @oxij @regellosigkeitsaxiom for the networking module
Ping @ehmry @joachifm for related issues #20422 and #21592
Things done
nix-build nixos --arg configuration ./config.nix -A config.environment.etc.hosts.sourcebefore and after this change, making sure nothing changes, even withextraHostsandservices.cjdnsenabled (and configured).nix-build nixos/release.nix -A manualHTML.x86_64-linuxsuccessfully