merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 122 insertions, 0 deletions

diff --git a/third_party/git/t/t5614-clone-submodules-shallow.sh b/third_party/git/t/t5614-clone-submodules-shallow.sh
new file mode 100755
index 000000000000..e4e6ea4d527f
--- /dev/null
+++ b/third_party/git/t/t5614-clone-submodules-shallow.sh
@@ -0,0 +1,122 @@
+#!/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://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 3 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 3 lines
+'
+
+test_expect_success 'shallow clone with shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules --depth 2 --shallow-submodules "file://$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" &&
+	git clone --recurse-submodules --depth 2 "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 2 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 3 lines
+'
+
+test_expect_success 'shallow clone with non shallow submodule' '
+	test_when_finished "rm -rf super_clone" &&
+	git clone --recurse-submodules --depth 2 --no-shallow-submodules "file://$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" &&
+	git clone --recurse-submodules --no-local --shallow-submodules "file://$pwd/." super_clone &&
+	git -C super_clone log --oneline >lines &&
+	test_line_count = 3 lines &&
+	git -C super_clone/sub log --oneline >lines &&
+	test_line_count = 1 lines
+'
+
+test_expect_success 'clone follows shallow recommendation' '
+	test_when_finished "rm -rf super_clone" &&
+	git config -f .gitmodules submodule.sub.shallow true &&
+	git add .gitmodules &&
+	git commit -m "recommend shallow for sub" &&
+	git clone --recurse-submodules --no-local "file://$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" &&
+	git clone --no-local "file://$pwd/." super_clone &&
+	(
+		cd super_clone &&
+		git submodule update --init --no-recommend-shallow &&
+		git log --oneline >lines &&
+		test_line_count = 4 lines
+	) &&
+	(
+		cd super_clone/sub &&
+		git log --oneline >lines &&
+		test_line_count = 3 lines
+	)
+'
+
+test_expect_success 'clone follows non shallow recommendation' '
+	test_when_finished "rm -rf super_clone" &&
+	git config -f .gitmodules submodule.sub.shallow false &&
+	git add .gitmodules &&
+	git commit -m "recommend non shallow for sub" &&
+	git clone --recurse-submodules --no-local "file://$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