test_cmp expect actual
'
+test_expect_success '--index-version' '
+ git commit --allow-empty -m snap &&
+ git reset --hard &&
+ git rm -f -r --cached . &&
+
+ # The default index version is 2 --- update this test
+ # when you change it in the code
+ git update-index --show-index-version >actual &&
+ echo 2 >expect &&
+ test_cmp expect actual &&
+
+ # The next test wants us to be using version 2
+ git update-index --index-version 2 &&
+
+ git update-index --index-version 4 --verbose >actual &&
+ echo "index-version: was 2, set to 4" >expect &&
+ test_cmp expect actual &&
+
+ git update-index --index-version 4 --verbose >actual &&
+ echo "index-version: was 4, set to 4" >expect &&
+ test_cmp expect actual &&
+
+ git update-index --index-version 2 --verbose >actual &&
+ echo "index-version: was 4, set to 2" >expect &&
+ test_cmp expect actual &&
+
+ # non-verbose should be silent
+ git update-index --index-version 4 >actual &&
+ test_must_be_empty actual
+'
+
test_done