Merge branch 'sb/clone-shallow-passthru'

"git clone" learned "--shallow-submodules" option.

* sb/clone-shallow-passthru:
  clone: add `--shallow-submodules` flag

1 files changed, 85 insertions, 0 deletions

diff --git a/t/t5614-clone-submodules.sh b/t/t5614-clone-submodules.sh
new file mode 100755
index 0000000000..62044c5a02
--- /dev/null
+++ b/t/t5614-clone-submodules.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+test_description='Test shallow cloning of repos with submodules'
+
+. ./test-lib.sh
+
+pwd=$(pwd)
+
+test_expect_success 'setup' '
+	git checkout -b master &&
+	test_commit commit1 &&
+	test_commit commit2 &&
+	mkdir sub &&
+	(
+		cd sub &&
+		git init &&
+		test_commit subcommit1 &&
+		test_commit subcommit2 &&
+		test_commit subcommit3
+	) &&
+	git submodule add "file://$pwd/sub" sub &&
+	git commit -m "add submodule"
+'
+
+test_expect_success 'nonshallow clone implies nonshallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	)
+'
+
+test_expect_success 'shallow clone implies shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules --depth 2 "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 2 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 1 lines
+	)
+'
+
+test_expect_success 'shallow clone with non shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules --depth 2 --no-shallow-submodules "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 2 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	)
+'
+
+test_expect_success 'non shallow clone with shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules --no-local --shallow-submodules "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 1 lines
+	)
+'
+
+test_done