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Don't provide 'getFlake' if the 'flakes' feature is not enabled

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(cherry picked from commit 0a1d3c1dd3)
This commit is contained in:
Eelco Dolstra 2020-06-17 16:54:32 +02:00
parent 2a61bbf77f
commit 5771c8bbf2
2 changed files with 20 additions and 5 deletions
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8
src/libexpr/primops.cc
View file

@ -2202,10 +2202,11 @@ static void prim_splitVersion(EvalState & state, const Pos & pos, Value * * args
RegisterPrimOp::PrimOps * RegisterPrimOp::primOps; RegisterPrimOp::PrimOps * RegisterPrimOp::primOps;
RegisterPrimOp::RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun) RegisterPrimOp::RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun,
std::optional<std::string> requiredFeature)
{ {
if (!primOps) primOps = new PrimOps; if (!primOps) primOps = new PrimOps;
primOps->emplace_back(name, arity, fun); primOps->push_back({name, arity, fun, requiredFeature});
} }
@ -2397,7 +2398,8 @@ void EvalState::createBaseEnv()
if (RegisterPrimOp::primOps) if (RegisterPrimOp::primOps)
for (auto & primOp : *RegisterPrimOp::primOps) for (auto & primOp : *RegisterPrimOp::primOps)
addPrimOp(std::get<0>(primOp), std::get<1>(primOp), std::get<2>(primOp)); if (!primOp.requiredFeature || settings.isExperimentalFeatureEnabled(*primOp.requiredFeature))
addPrimOp(primOp.name, primOp.arity, primOp.primOp);
/* Now that we've added all primops, sort the `builtins' set, /* Now that we've added all primops, sort the `builtins' set,
because attribute lookups expect it to be sorted. */ because attribute lookups expect it to be sorted. */

17
src/libexpr/primops.hh
View file

@ -7,12 +7,25 @@ namespace nix {
struct RegisterPrimOp struct RegisterPrimOp
{ {
typedef std::vector<std::tuple<std::string, size_t, PrimOpFun>> PrimOps; struct Info
{
std::string name;
size_t arity;
PrimOpFun primOp;
std::optional<std::string> requiredFeature;
};
typedef std::vector<Info> PrimOps;
static PrimOps * primOps; static PrimOps * primOps;
/* You can register a constant by passing an arity of 0. fun /* You can register a constant by passing an arity of 0. fun
will get called during EvalState initialization, so there will get called during EvalState initialization, so there
may be primops not yet added and builtins is not yet sorted. */ may be primops not yet added and builtins is not yet sorted. */
RegisterPrimOp(std::string name, size_t arity, PrimOpFun fun); RegisterPrimOp(
std::string name,
size_t arity,
PrimOpFun fun,
std::optional<std::string> requiredFeature = {});
}; };
/* These primops are disabled without enableNativeCode, but plugins /* These primops are disabled without enableNativeCode, but plugins