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-rw-r--r--src/libstore/build/local-derivation-goal.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
index 40ef706a6..4c91fa4fb 100644
--- a/src/libstore/build/local-derivation-goal.cc
+++ b/src/libstore/build/local-derivation-goal.cc
@@ -704,6 +704,9 @@ void LocalDerivationGoal::startBuilder()
/* Run the builder. */
printMsg(lvlChatty, "executing builder '%1%'", drv->builder);
+ printMsg(lvlChatty, "using builder args '%1%'", concatStringsSep(" ", drv->args));
+ for (auto & i : drv->env)
+ printMsg(lvlVomit, "setting builder env variable '%1%'='%2%'", i.first, i.second);
/* Create the log file. */
Path logFile = openLogFile();