Make the code less bulky and easier to read. Also do not overlook
failures like e.g. git failing because of unexpected signals.

Signed-off-by: Alexander Strasser <eclip...@gmx.net>
---
 t/t4012-diff-binary.sh | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh
index 077870e..ec4deea 100755
--- a/t/t4012-diff-binary.sh
+++ b/t/t4012-diff-binary.sh
@@ -66,13 +66,7 @@ test_expect_success 'apply --numstat understands diff 
--binary format' '
 test_expect_success 'apply detecting corrupt patch correctly' '
        git diff >output &&
        sed -e "s/-CIT/xCIT/" <output >broken &&
-       if git apply --stat --summary broken 2>detected
-       then
-               echo unhappy - should have detected an error
-               (exit 1)
-       else
-               echo happy
-       fi &&
+       test_must_fail git apply --stat --summary broken 2>detected &&
        detected=`cat detected` &&
        detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` &&
        detected=`sed -ne "${detected}p" broken` &&
@@ -81,13 +75,7 @@ test_expect_success 'apply detecting corrupt patch 
correctly' '
 
 test_expect_success 'apply detecting corrupt patch correctly' '
        git diff --binary | sed -e "s/-CIT/xCIT/" >broken &&
-       if git apply --stat --summary broken 2>detected
-       then
-               echo unhappy - should have detected an error
-               (exit 1)
-       else
-               echo happy
-       fi &&
+       test_must_fail git apply --stat --summary broken 2>detected &&
        detected=`cat detected` &&
        detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` &&
        detected=`sed -ne "${detected}p" broken` &&
-- 
1.7.10.2.552.gaa3bb87
--
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