Keep the tree entries always internally sorted

Don't allow access to any tree entries whilst the entries array is
unsorted. We keep track on when the array is unsorted, and any methods
that access the array while it is unsorted now sort the array before
accessing it.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/tree.h b/src/tree.h
index 78500c471..796c5b950 100644
--- a/src/tree.h
+++ b/src/tree.h
@@ -16,6 +16,7 @@ struct git_tree_entry {
 struct git_tree {
 	git_object object;
 	git_vector entries;
+	unsigned sorted:1;
 };
 
 void git_tree__free(git_tree *tree);