1 files changed, 8 insertions, 0 deletions
diff --git a/hook.h b/hook.h
index 82b3d1dd27..a84e97db34 100644
--- a/hook.h
+++ b/hook.h
@@ -65,6 +65,14 @@ struct run_hooks_opt
 	 * Only useful when using run_hooks_opt.feed_pipe, otherwise ignore it.
 	 */
 	void *feed_pipe_cb_data;
+
+	/*
+	 * Populate this to capture output and prevent it from being printed to
+	 * stderr. This will be passed directly through to
+	 * run_command:run_parallel_processes(). See t/helper/test-run-command.c
+	 * for an example.
+	 */
+	consume_sideband_fn consume_sideband;
 };
 
 #define RUN_HOOKS_OPT_INIT { \