[PATCH 05/10] unpack-trees: optimize full checkout case

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 unpack-trees.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/unpack-trees.c b/unpack-trees.c
index f005454..eb5d357 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -996,6 +996,16 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
 			o->el = &el;
 	}
 
+	if (!o->skip_sparse_checkout &&
+	    o->el->nr == 1 &&
+	    !strcmp(o->el->excludes[0]->pattern, "*")) {
+		for (i = 0; i < o->src_index->cache_nr; i++)
+			if (ce_skip_worktree(o->src_index->cache[i]))
+				break;
+		if (i == o->src_index->cache_nr)
+			o->skip_sparse_checkout = 1;
+	}
+
 	if (!o->skip_sparse_checkout)
 		set_new_skip_worktree_1(o);
 
-- 
1.7.3.2.210.g045198