1 files changed, 40 insertions, 0 deletions
diff --git a/t/t7414-submodule-mistakes.sh b/t/t7414-submodule-mistakes.sh
new file mode 100755
index 0000000..24f30e3
--- /dev/null
+++ b/t/t7414-submodule-mistakes.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+test_description='handling of common mistakes people may make with submodules'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'create embedded repository' '
+	git init embed &&
+	test_commit -C embed one
+'
+
+test_expect_success 'git-add on embedded repository warns' '
+	test_when_finished "git rm --cached -f embed" &&
+	git add embed 2>stderr &&
+	test_grep warning stderr
+'
+
+test_expect_success '--no-warn-embedded-repo suppresses warning' '
+	test_when_finished "git rm --cached -f embed" &&
+	git add --no-warn-embedded-repo embed 2>stderr &&
+	test_grep ! warning stderr
+'
+
+test_expect_success 'no warning when updating entry' '
+	test_when_finished "git rm --cached -f embed" &&
+	git add embed &&
+	git -C embed commit --allow-empty -m two &&
+	git add embed 2>stderr &&
+	test_grep ! warning stderr
+'
+
+test_expect_success 'submodule add does not warn' '
+	test_when_finished "git rm -rf submodule .gitmodules" &&
+	git -c protocol.file.allow=always \
+		submodule add ./embed submodule 2>stderr &&
+	test_grep ! warning stderr
+'
+
+test_done