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Put read-only setting behind an experimental flag.

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Ben Radford 2023-05-22 11:38:37 +01:00
parent 0c36fe6c8c
commit 7251800086
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3 changed files with 22 additions and 1 deletions
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18
src/libutil/experimental-features.cc
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@ -12,7 +12,7 @@ struct ExperimentalFeatureDetails
std::string_view description;
};
constexpr std::array<ExperimentalFeatureDetails, 13> xpFeatureDetails = {{
constexpr std::array<ExperimentalFeatureDetails, 14> xpFeatureDetails = {{
{
.tag = Xp::CaDerivations,
.name = "ca-derivations",
@ -209,6 +209,22 @@ constexpr std::array<ExperimentalFeatureDetails, 13> xpFeatureDetails = {{
files.
)",
},
{
.tag = Xp::ReadOnlyLocalStore,
.name = "read-only-local-store",
.description = R"(
Allow the use of the `read-only` parameter in local store URIs.
Set this parameter to `true` to allow stores with databases on read-only
filesystems to be opened for querying; ordinarily Nix will refuse to do this.
Enabling this setting disables the locking required for safe concurrent
access, so you should be certain that the database will not be changed.
While the filesystem the database resides on might be read-only to this
process, consider whether another user, process, or system, might have
write access to it.
)",
},
}};
static_assert(