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* Pass the autoArgs to findAlongAttrPath so that "nix-instantiate

Browse source 
foo.nix -A attr --arg name value" will work if (name, value) is
  needed in the evaluation leading up to "attr".
This commit is contained in:
Eelco Dolstra 2006-08-23 16:20:14 +00:00
parent b19cebc513
commit 9638f3f393
3 changed files with 11 additions and 7 deletions
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10
src/nix-instantiate/main.cc
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@ -178,9 +178,10 @@ Expr strictEval(EvalState & state, Expr e)
}
Expr doEval(EvalState & state, string attrPath, bool parseOnly, bool strict, Expr e)
Expr doEval(EvalState & state, string attrPath, bool parseOnly, bool strict,
const ATermMap & autoArgs, Expr e)
{
e = findAlongAttrPath(state, attrPath, e);
e = findAlongAttrPath(state, attrPath, autoArgs, e);
if (!parseOnly)
if (strict)
e = strictEval(state, e);
@ -229,6 +230,7 @@ void run(Strings args)
if (i == args.end())
throw UsageError("`--arg' requires two arguments");
Expr value = parseExprFromString(state, *i++, absPath("."));
printMsg(lvlError, format("X %1% Y %2%") % name % value);
autoArgs.set(toATerm(name), value);
}
else if (arg == "--add-root") {
@ -252,7 +254,7 @@ void run(Strings args)
if (readStdin) {
Expr e = parseStdin(state);
e = doEval(state, attrPath, parseOnly, strict, e);
e = doEval(state, attrPath, parseOnly, strict, autoArgs, e);
printResult(state, e, evalOnly, xmlOutput, autoArgs);
}
@ -261,7 +263,7 @@ void run(Strings args)
{
Path path = absPath(*i);
Expr e = parseExprFromFile(state, path);
e = doEval(state, attrPath, parseOnly, strict, e);
e = doEval(state, attrPath, parseOnly, strict, autoArgs, e);
printResult(state, e, evalOnly, xmlOutput, autoArgs);
}