[PATCH 2/2] filter-branch: Add tests for submodules

[Michal Sojka <sojkam1@fel.cvut.cz>]

The test 'rewrite submodule with another content' passes only with the
previous patch.

Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz>
---
 t/t7003-filter-branch.sh |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
index 9503875..39d4153 100755
--- a/t/t7003-filter-branch.sh
+++ b/t/t7003-filter-branch.sh
@@ -306,4 +306,30 @@ test_expect_success '--remap-to-ancestor with filename filters' '
 	test $orig_invariant = $(git rev-parse invariant)
 '
 
+test_expect_success 'setup submodule' '
+	rm -rf * .*
+	git init &&
+	test_commit file &&
+	mkdir submod &&
+	submodurl="$PWD/submod"
+	( cd submod &&
+	  git init &&
+	  test_commit file-in-submod ) &&
+	git submodule add "$submodurl"
+	git commit -m "added submodule" &&
+	test_commit add-file &&
+	( cd submod && test_commit add-in-submodule ) &&
+	git add submod &&
+	git commit -m "changed submodule"
+'
+
+test_expect_success 'rewrite submodule with another content' '
+	git filter-branch --tree-filter "test -d submod && {
+					 rm -rf submod &&
+					 git rm -rf --quiet submod &&
+					 mkdir submod &&
+					 : > submod/file
+					 } || :"
+'
+
 test_done
-- 
1.6.6