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Make most calls to determinePos() lazy

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This commit is contained in:
Eelco Dolstra 2022-02-04 00:31:33 +01:00
parent 4c755c3b3f
commit bd383d1b6f
10 changed files with 46 additions and 24 deletions
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src/nix-env/user-env.cc
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@ -129,7 +129,7 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
/* Evaluate it. */
debug("evaluating user environment builder");
state.forceValue(topLevel, topLevel.determinePos(noPos));
state.forceValue(topLevel, [&]() { return topLevel.determinePos(noPos); });
PathSet context;
Attr & aDrvPath(*topLevel.attrs->find(state.sDrvPath));
auto topLevelDrv = state.store->parseStorePath(state.coerceToPath(*aDrvPath.pos, *aDrvPath.value, context));