1 files changed, 131 insertions, 0 deletions
diff --git a/t/t5614-clone-submodules-shallow.sh b/t/t5614-clone-submodules-shallow.sh
new file mode 100755
index 0000000..c2a2bb4
--- /dev/null
+++ b/t/t5614-clone-submodules-shallow.sh
@@ -0,0 +1,131 @@
+#!/bin/sh
+
+test_description='Test shallow cloning of repos with submodules'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+pwd=$(pwd)
+
+test_expect_success 'setup' '
+	git checkout -b main &&
+	test_commit commit1 &&
+	test_commit commit2 &&
+	mkdir sub &&
+	(
+		cd sub &&
+		git init &&
+		test_commit subcommit1 &&
+		test_commit subcommit2 &&
+		test_commit subcommit3
+	) &&
+	git submodule add "file://$pwd/sub" sub &&
+	git commit -m "add submodule"
+'
+
+test_expect_success 'nonshallow clone implies nonshallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --recurse-submodules "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 3 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 3 lines
+'
+
+test_expect_success 'shallow clone with shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --recurse-submodules --depth 2 --shallow-submodules "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 2 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 1 lines
+'
+
+test_expect_success 'shallow clone does not imply shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --recurse-submodules --depth 2 "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 2 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 3 lines
+'
+
+test_expect_success 'shallow clone with non shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --recurse-submodules --depth 2 --no-shallow-submodules "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 2 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 3 lines
+'
+
+test_expect_success 'non shallow clone with shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --recurse-submodules --no-local --shallow-submodules "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 3 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 1 lines
+'
+
+test_expect_success 'clone follows shallow recommendation' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git config -f .gitmodules submodule.sub.shallow true &&
+	git add .gitmodules &&
+	git commit -m "recommend shallow for sub" &&
+	git clone --recurse-submodules --no-local "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 4 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 1 lines
+	)
+'
+
+test_expect_success 'get unshallow recommended shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git clone --no-local "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git submodule update --init --no-recommend-shallow &&
+		git log --oneline >lines &&
+		test_line_count = 4 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	)
+'
+
+test_expect_success 'clone follows non shallow recommendation' '
+	test_when_finished "rm -rf super_clone" &&
+	test_config_global protocol.file.allow always &&
+	git config -f .gitmodules submodule.sub.shallow false &&
+	git add .gitmodules &&
+	git commit -m "recommend non shallow for sub" &&
+	git clone --recurse-submodules --no-local "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 5 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	)
+'
+
+test_done