test_description='difference in submodules'
. ./test-lib.sh
-. ../diff-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
_z40=0000000000000000000000000000000000000000
test_expect_success setup '
test_cmp expect actual.files
'
+test_expect_success 'git diff (empty submodule dir)' '
+ : >empty &&
+ rm -rf sub/* sub/.git &&
+ git diff > actual.empty &&
+ test_cmp empty actual.empty
+'
+
+test_expect_success 'conflicted submodule setup' '
+
+ # 39 efs
+ c=fffffffffffffffffffffffffffffffffffffff
+ (
+ echo "000000 $_z40 0 sub"
+ echo "160000 1$c 1 sub"
+ echo "160000 2$c 2 sub"
+ echo "160000 3$c 3 sub"
+ ) | git update-index --index-info &&
+ echo >expect.nosub '\''diff --cc sub
+index 2ffffff,3ffffff..0000000
+--- a/sub
++++ b/sub
+@@@ -1,1 -1,1 +1,1 @@@
+- Subproject commit 2fffffffffffffffffffffffffffffffffffffff
+ -Subproject commit 3fffffffffffffffffffffffffffffffffffffff
+++Subproject commit 0000000000000000000000000000000000000000'\'' &&
+
+ hh=$(git rev-parse HEAD) &&
+ sed -e "s/$_z40/$hh/" expect.nosub >expect.withsub
+
+'
+
+test_expect_success 'combined (empty submodule)' '
+ rm -fr sub && mkdir sub &&
+ git diff >actual &&
+ test_cmp expect.nosub actual
+'
+
+test_expect_success 'combined (with submodule)' '
+ rm -fr sub &&
+ git clone --no-checkout . sub &&
+ git diff >actual &&
+ test_cmp expect.withsub actual
+'
+
+
+
test_done