From 18047d4625b46ae001abc649096ab9ecd4c54560 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Thu, 19 Jan 2012 23:07:42 +0000 Subject: [PATCH] * Add some debug output to print the derivation name once it's known. This makes it easier to pinpoint the source of a crash. --- src/libexpr/primops.cc | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 21c9fb351..01f933da1 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -305,7 +305,10 @@ static void prim_derivationStrict(EvalState & state, Value * * args, Value & v) drv.env[key] = s; if (key == "builder") drv.builder = s; else if (i->name == state.sSystem) drv.platform = s; - else if (i->name == state.sName) drvName = s; + else if (i->name == state.sName) { + drvName = s; + printMsg(lvlVomit, format("derivation name is `%1%'") % drvName); + } else if (key == "outputHash") outputHash = s; else if (key == "outputHashAlgo") outputHashAlgo = s; else if (key == "outputHashMode") {