From 049ed04471c248e89df980f97dbe332bc1857443 Mon Sep 17 00:00:00 2001
From: Renato Alves <alves.rjc+taskw@gmail.com>
Date: Sun, 1 Feb 2015 06:23:34 +0000
Subject: [PATCH] Unittest - Document the magic line in wrapper.sh

---
 test/test_hooks/wrapper.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/test_hooks/wrapper.sh b/test/test_hooks/wrapper.sh
index 2d61d86a5..86a8513d4 100644
--- a/test/test_hooks/wrapper.sh
+++ b/test/test_hooks/wrapper.sh
@@ -8,7 +8,9 @@ OUT="${ORIGINALHOOK}.log.out"
 # Let it know that we were executed
 echo "% Called at $(date +%s%N)" >> ${IN}
 
+# Log what arrives via stdin to ${IN} and what comes via stdout to ${OUT}
 $ORIGINALHOOK < <(tee -a ${IN}) > >(tee -a ${OUT})
+# More on the < <() syntax at: http://tldp.org/LDP/abs/html/process-sub.html
 
 EXITCODE=$?
 echo "! Exit code: ${EXITCODE}" >> ${OUT}