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hashFile, hashString: realize context before calculation, and discard afterwards

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kvtb 2021-09-05 14:42:06 +00:00 committed by Eelco Dolstra
parent b55daf850a
commit c6fa7775de
1 changed files with 13 additions and 8 deletions
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13
src/libexpr/primops.cc
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@ -1497,10 +1497,15 @@ static void prim_hashFile(EvalState & state, const Pos & pos, Value * * args, Va
.errPos = pos
});
PathSet context; // discarded
Path p = state.coerceToPath(pos, *args[1], context);
PathSet context;
Path path = state.coerceToPath(pos, *args[1], context);
try {
state.realiseContext(context);
} catch (InvalidPathError & e) {
throw EvalError("cannot read '%s' since path '%s' is not valid, at %s", path, e.path, pos);
}
mkString(v, hashFile(*ht, state.checkSourcePath(p)).to_string(Base16, false), context);
mkString(v, hashFile(*ht, state.checkSourcePath(state.toRealPath(path, context))).to_string(Base16, false));
}
static RegisterPrimOp primop_hashFile({
@ -3193,7 +3198,7 @@ static void prim_hashString(EvalState & state, const Pos & pos, Value * * args,
PathSet context; // discarded
string s = state.forceString(*args[1], context, pos);
mkString(v, hashString(*ht, s).to_string(Base16, false), context);
mkString(v, hashString(*ht, s).to_string(Base16, false));
}
static RegisterPrimOp primop_hashString({