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Enforce use of immutable flakes in pure mode

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... plus a temporary hack to allow impure flakes at top-level for the
default installation source.
This commit is contained in:
Eelco Dolstra 2019-02-12 21:05:44 +01:00
parent ba05f29838
commit 272b58220d
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GPG key ID: 8170B4726D7198DE
6 changed files with 46 additions and 19 deletions
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14
src/libexpr/primops/flakeref.cc
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@ -136,4 +136,18 @@ std::string FlakeRef::to_string() const
else abort();
}
bool FlakeRef::isImmutable() const
{
if (auto refData = std::get_if<FlakeRef::IsFlakeId>(&data))
return (bool) refData->rev;
else if (auto refData = std::get_if<FlakeRef::IsGitHub>(&data))
return (bool) refData->rev;
else if (auto refData = std::get_if<FlakeRef::IsGit>(&data))
return (bool) refData->rev;
else abort();
}
}