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Warn about missing -I paths

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Fixes #121.  Note that we don't warn about missing $NIX_PATH entries
because it's intended that some may be missing (cf. the default
$NIX_PATH on NixOS, which includes paths like /etc/nixos/nixpkgs for
backward compatibility).
This commit is contained in:
Eelco Dolstra 2014-02-26 15:21:56 +01:00
parent 733214144a
commit f14ef84a51
3 changed files with 6 additions and 5 deletions
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4
src/libexpr/common-opts.cc
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@ -13,7 +13,7 @@ bool parseOptionArg(const string & arg, Strings::iterator & i,
if (arg != "--arg" && arg != "--argstr") return false;
UsageError error(format("`%1%' requires two arguments") % arg);
if (i == argsEnd) throw error;
string name = *i++;
if (i == argsEnd) throw error;
@ -39,7 +39,7 @@ bool parseSearchPathArg(const string & arg, Strings::iterator & i,
{
if (arg != "-I") return false;
if (i == argsEnd) throw UsageError(format("`%1%' requires an argument") % arg);;
state.addToSearchPath(*i++);
state.addToSearchPath(*i++, true);
return true;
}