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Add a ca-derivations required machine feature

Make ca-derivations require a `ca-derivations` machine feature, and
ca-aware builders expose it.

That way, a network of builders can mix ca-aware and non-ca-aware
machines, and the scheduler will send them in the right place.
This commit is contained in:
regnat 2021-06-11 08:37:59 +02:00
parent 8e6ee1b9e9
commit 7c077d2a0f
5 changed files with 22 additions and 4 deletions

View file

@ -337,6 +337,13 @@ ValidPathInfo Store::addToStoreSlow(std::string_view name, const Path & srcPath,
return info;
}
StringSet StoreConfig::getDefaultSystemFeatures()
{
auto res = settings.systemFeatures.get();
if (settings.isExperimentalFeatureEnabled("ca-derivations"))
res.insert("ca-derivations");
return res;
}
Store::Store(const Params & params)
: StoreConfig(params)