[PATCH 04/16] Allow to invalidate a commit in in-memory object store

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

This is needed if replacing object happens at run time.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 commit.c |   15 +++++++++++++++
 commit.h |    2 ++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/commit.c b/commit.c
index e9b0750..d1e30b2 100644
--- a/commit.c
+++ b/commit.c
@@ -315,6 +315,21 @@ int parse_commit(struct commit *item)
 	return ret;
 }
 
+int invalidate_commit(struct commit *item)
+{
+	if (!item)
+		return -1;
+
+	if (item->object.parsed) {
+		item->object.parsed = 0;
+		if (item->buffer) {
+			free(item->buffer);
+			item->buffer = NULL;
+		}
+	}
+	return 0;
+}
+
 struct commit_list *commit_list_insert(struct commit *item, struct commit_list **list_p)
 {
 	struct commit_list *new_list = xmalloc(sizeof(struct commit_list));
diff --git a/commit.h b/commit.h
index eb2b8ac..d8c01ea 100644
--- a/commit.h
+++ b/commit.h
@@ -41,6 +41,8 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
 
 int parse_commit(struct commit *item);
 
+int invalidate_commit(struct commit *item);
+
 struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
 unsigned commit_list_count(const struct commit_list *l);
 struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
-- 
1.7.1.rc1.69.g24c2f7