[RFC PATCH 1/1] mv: integrate with sparse-index

[Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>]

Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
---
 builtin/mv.c                             |  3 +++
 t/t1092-sparse-checkout-compatibility.sh | 34 ++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/builtin/mv.c b/builtin/mv.c
index 83a465ba83..111360ebf5 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -138,6 +138,9 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 
 	git_config(git_default_config, NULL);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	argc = parse_options(argc, argv, prefix, builtin_mv_options,
 			     builtin_mv_usage, 0);
 	if (--argc < 1)
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index 2a04b532f9..0a8164c5f6 100755
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -1521,4 +1521,38 @@ test_expect_success 'checkout behaves oddly with df-conflict-2' '
 	test_cmp full-checkout-err sparse-index-err
 '
 
+test_expect_success 'mv' '
+	init_repos &&
+
+	# test first form <source> <destination>
+	test_all_match git mv deep/a deep/a_mod &&
+	test_all_match git mv deep/deeper1 deep/deeper1_mod &&
+	test_all_match git mv deep/deeper2/deeper1/deepest2/a \
+	deep/deeper2/deeper1/deepest2/a_mod &&
+
+	run_on_all git reset --hard &&
+
+	test_all_match git mv -f deep/a deep/before/a &&
+	test_all_match git mv -f deep/before/a deep/a &&
+
+	run_on_all git reset --hard &&
+
+	test_all_match git mv -k deep/a deep/before/a &&
+	test_all_match git mv -k deep/before/a deep/a &&
+
+	run_on_all git reset --hard &&
+
+	test_all_match git mv -v deep/a deep/a_mod &&
+	test_all_match git mv -v deep/deeper1 deep/deeper1_mod &&
+	test_all_match git mv -v deep/deeper2/deeper1/deepest2/a \
+	deep/deeper2/deeper1/deepest2/a_mod &&
+
+	# test second form <source> ... <destination directory>
+	run_on_all git reset --hard &&
+	run_on_all mkdir deep/folder &&
+	test_all_match git mv deep/a deep/folder &&
+	test_all_match git mv -v deep/deeper1 deep/folder &&
+	test_all_match git mv -f deep/deeper2/deeper1/deepest2/a deep/folder
+'
+
 test_done
-- 
2.35.1