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e297aa7b1c
1 changed files with 9 additions and 0 deletions
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@ -1653,6 +1653,14 @@ static void prim_unsafeDiscardStringContext(EvalState & state, const Pos & pos,
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}
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}
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static void prim_hasContext(EvalState & state, const Pos & pos, Value * * args, Value & v)
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{
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PathSet context;
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state.forceString(*args[0], context, pos);
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mkBool(v, !context.empty());
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}
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/* Sometimes we want to pass a derivation path (i.e. pkg.drvPath) to a
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/* Sometimes we want to pass a derivation path (i.e. pkg.drvPath) to a
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builder without causing the derivation to be built (for instance,
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builder without causing the derivation to be built (for instance,
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in the derivation that builds NARs in nix-push, when doing
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in the derivation that builds NARs in nix-push, when doing
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@ -2083,6 +2091,7 @@ void EvalState::createBaseEnv()
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addPrimOp("toString", 1, prim_toString);
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addPrimOp("toString", 1, prim_toString);
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addPrimOp("__substring", 3, prim_substring);
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addPrimOp("__substring", 3, prim_substring);
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addPrimOp("__stringLength", 1, prim_stringLength);
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addPrimOp("__stringLength", 1, prim_stringLength);
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addPrimOp("__hasContext", 1, prim_hasContext);
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addPrimOp("__unsafeDiscardStringContext", 1, prim_unsafeDiscardStringContext);
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addPrimOp("__unsafeDiscardStringContext", 1, prim_unsafeDiscardStringContext);
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addPrimOp("__unsafeDiscardOutputDependency", 1, prim_unsafeDiscardOutputDependency);
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addPrimOp("__unsafeDiscardOutputDependency", 1, prim_unsafeDiscardOutputDependency);
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addPrimOp("__hashString", 2, prim_hashString);
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addPrimOp("__hashString", 2, prim_hashString);
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