From c1d7815a46205d5b61f31b246470aefd86ecb4d3 Mon Sep 17 00:00:00 2001
From: Tom Wilkie <tom.wilkie@gmail.com>
Date: Thu, 3 Nov 2016 18:50:09 +0000
Subject: [PATCH] Fix shfmt error

---
 integration/assert.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
 mode change 100644 => 100755 integration/assert.sh

diff --git a/integration/assert.sh b/integration/assert.sh
old mode 100644
new mode 100755
index 5db17ab699..200b393bce
--- a/integration/assert.sh
+++ b/integration/assert.sh
@@ -91,7 +91,8 @@ assert_end() {
     #   ${tests_time:0:${#tests_time}-9} - seconds
     #   ${tests_time:${#tests_time}-9:3} - milliseconds
     if [[ -z "$INVARIANT" ]]; then
-        report_time=" in ${tests_time:0:${#tests_time}-9}.${tests_time:${#tests_time}-9:3}s"
+        idx=$((${#tests_time} - 9))
+        report_time=" in ${tests_time:0:${idx}}.${tests_time:${idx}:3}s"
     else
         report_time=
     fi