From 20d3465b51a39337e1117868f80fbc074d3f6b85 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 6 Jan 2017 18:15:01 +0000
Subject: [PATCH] test suite: badcommit-rewrite: Check HEAD manipulation is
 right

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 tests/tests/badcommit-rewrite | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/tests/badcommit-rewrite b/tests/tests/badcommit-rewrite
index bcec8e66..c07d9ae4 100755
--- a/tests/tests/badcommit-rewrite
+++ b/tests/tests/badcommit-rewrite
@@ -26,8 +26,16 @@ cd $tmp/git/$p.git
 ${DGIT_BADCOMMIT_FIXUP} --real
 
 cd $tmp/$p
+git symbolic-ref HEAD >../sym.before
+git rev-parse HEAD >../ref.before
+
 ${DGIT_BADCOMMIT_FIXUP} --real
 
+git symbolic-ref HEAD >../sym.after
+git rev-parse HEAD >../ref.after
+diff ../sym.before ../sym.after
+set +e; diff ../ref.before ../ref.after; rc=$?; set -e; test $rc = 1
+
 t-dgit fetch stable
 
 t-expect-fail "child $rstable lacks parent $badcommit" \
-- 
2.30.2