index: add sha256 supportethomson/sha256_index

1 files changed, 14 insertions, 1 deletions

diff --git a/src/libgit2/index.h b/src/libgit2/index.h
index 71bb096f7..53c29977d 100644
--- a/src/libgit2/index.h
+++ b/src/libgit2/index.h
@@ -27,7 +27,7 @@ struct git_index {
 
 	char *index_file_path;
 	git_futils_filestamp stamp;
-	unsigned char checksum[GIT_HASH_SHA1_SIZE];
+	unsigned char checksum[GIT_HASH_MAX_SIZE];
 
 	git_vector entries;
 	git_idxmap *entries_map;
@@ -35,6 +35,8 @@ struct git_index {
 	git_vector deleted; /* deleted entries if readers > 0 */
 	git_atomic32 readers; /* number of active iterators */
 
+	git_oid_t oid_type;
+
 	unsigned int on_disk:1;
 	unsigned int ignore_case:1;
 	unsigned int distrust_filemode:1;
@@ -141,6 +143,17 @@ GIT_INLINE(unsigned char *) git_index__checksum(git_index *index)
 	return index->checksum;
 }
 
+/* SHA256-aware internal functions */
+
+extern int git_index__new(
+	git_index **index_out,
+	git_oid_t oid_type);
+
+extern int git_index__open(
+	git_index **index_out,
+	const char *index_path,
+	git_oid_t oid_type);
+
 /* Copy the current entries vector *and* increment the index refcount.
  * Call `git_index__release_snapshot` when done.
  */