Merge branch 'js/ignore-submodule'

* js/ignore-submodule:
  Ignore dirty submodule states during rebase and stash
  Teach update-index about --ignore-submodules
  diff options: Introduce --ignore-submodules

1 files changed, 92 insertions, 0 deletions

diff --git a/t/t7402-submodule-rebase.sh b/t/t7402-submodule-rebase.sh
new file mode 100755
index 000000000..5becb3ec5
--- /dev/null
+++ b/t/t7402-submodule-rebase.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+#
+# Copyright (c) 2008 Johannes Schindelin
+#
+
+test_description='Test rebasing and stashing with dirty submodules'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	echo file > file &&
+	git add file &&
+	test_tick &&
+	git commit -m initial &&
+	git clone . submodule &&
+	git add submodule &&
+	test_tick &&
+	git commit -m submodule &&
+	echo second line >> file &&
+	(cd submodule && git pull) &&
+	test_tick &&
+	git commit -m file-and-submodule -a
+
+'
+
+test_expect_success 'rebase with a dirty submodule' '
+
+	(cd submodule &&
+	 echo 3rd line >> file &&
+	 test_tick &&
+	 git commit -m fork -a) &&
+	echo unrelated >> file2 &&
+	git add file2 &&
+	test_tick &&
+	git commit -m unrelated file2 &&
+	echo other line >> file &&
+	test_tick &&
+	git commit -m update file &&
+	CURRENT=$(cd submodule && git rev-parse HEAD) &&
+	EXPECTED=$(git rev-parse HEAD~2:submodule) &&
+	GIT_TRACE=1 git rebase --onto HEAD~2 HEAD^ &&
+	STORED=$(git rev-parse HEAD:submodule) &&
+	test $EXPECTED = $STORED &&
+	test $CURRENT = $(cd submodule && git rev-parse HEAD)
+
+'
+
+cat > fake-editor.sh << \EOF
+#!/bin/sh
+echo $EDITOR_TEXT
+EOF
+chmod a+x fake-editor.sh
+
+test_expect_success 'interactive rebase with a dirty submodule' '
+
+	test submodule = $(git diff --name-only) &&
+	HEAD=$(git rev-parse HEAD) &&
+	GIT_EDITOR="\"$(pwd)/fake-editor.sh\"" EDITOR_TEXT="pick $HEAD" \
+		git rebase -i HEAD^ &&
+	test submodule = $(git diff --name-only)
+
+'
+
+test_expect_success 'rebase with dirty file and submodule fails' '
+
+	echo yet another line >> file &&
+	test_tick &&
+	git commit -m next file &&
+	echo rewrite > file &&
+	test_tick &&
+	git commit -m rewrite file &&
+	echo dirty > file &&
+	! git rebase --onto HEAD~2 HEAD^
+
+'
+
+test_expect_success 'stash with a dirty submodule' '
+
+	echo new > file &&
+	CURRENT=$(cd submodule && git rev-parse HEAD) &&
+	git stash &&
+	test new != $(cat file) &&
+	test submodule = $(git diff --name-only) &&
+	test $CURRENT = $(cd submodule && git rev-parse HEAD) &&
+	git stash apply &&
+	test new = $(cat file) &&
+	test $CURRENT = $(cd submodule && git rev-parse HEAD)
+
+'
+
+test_done