sha1_before=$(git rev-parse --short HEAD)
                echo b >b &&
                git add b &&
-               git commit -m b
-               sha1_after=$(git rev-parse --short HEAD)
-               echo "Submodule sub $sha1_before..$sha1_after:
-  > b" >../expected
+               git commit -m b &&
+               sha1_after=$(git rev-parse --short HEAD) &&
+               {
+                       echo "Submodule sub $sha1_before..$sha1_after:" &&
+                       echo "  > b"
+               } >../expected
        ) &&
        (cd super &&
                (cd sub &&
                        git checkout origin/master
                ) &&
                git diff --submodule > ../actual
-       )
+       ) &&
        test_cmp expected actual
 '