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Mark fetchTree as unstable again

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As discussed in our last meeting, we need a bit more time, but we are
"time boxing" the work left to do to ensure there is not unbounded
delay.

Rather than putting it back underneath `flakes`, though, put it
underneath its own `fetch-tree` experimental feature (which `flakes`
includes/implies). This signals our commitment to the plan to stabilize
it first without waiting to go through the rest of Flakes, and also will
give users a "release candidate" when we get closer to stabilization.

This reverts commit 4112dd1fc9.
This commit is contained in:
John Ericson 2023-11-08 23:08:05 -05:00
parent d854e8696b
commit f0adb72c23
6 changed files with 27 additions and 4 deletions
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8
src/libutil/config.cc
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@ -330,9 +330,13 @@ template<> std::set<ExperimentalFeature> BaseSetting<std::set<ExperimentalFeatur
{
std::set<ExperimentalFeature> res;
for (auto & s : tokenizeString<StringSet>(str)) {
if (auto thisXpFeature = parseExperimentalFeature(s); thisXpFeature)
if (auto thisXpFeature = parseExperimentalFeature(s); thisXpFeature) {
res.insert(thisXpFeature.value());
else
// FIXME: Replace this hack with a proper notion of
// experimental feature implications/dependencies.
if (thisXpFeature.value() == Xp::Flakes)
res.insert(Xp::FetchTree);
} else
warn("unknown experimental feature '%s'", s);
}
return res;