git: update to v2.10.0

Upstream continues to replace unsigned char *sha1 with struct
object_id old_oid. This makes the required changes.

The git lib has its own main function now. Rename our main function
to cmd_main, it is called from main then.

1 files changed, 4 insertions, 4 deletions

diff --git a/cgit.h b/cgit.h
index 325432b..f34395c 100644
--- a/cgit.h
+++ b/cgit.h
@@ -348,14 +348,14 @@ extern void *cgit_free_commitinfo(struct commitinfo *info);
 void cgit_diff_tree_cb(struct diff_queue_struct *q,
                        struct diff_options *options, void *data);
 
-extern int cgit_diff_files(const unsigned char *old_sha1,
-                           const unsigned char *new_sha1,
+extern int cgit_diff_files(const struct object_id *old_oid,
+                           const struct object_id *new_oid,
                            unsigned long *old_size, unsigned long *new_size,
                            int *binary, int context, int ignorews,
                            linediff_fn fn);
 
-extern void cgit_diff_tree(const unsigned char *old_sha1,
-                           const unsigned char *new_sha1,
+extern void cgit_diff_tree(const struct object_id *old_oid,
+                           const struct object_id *new_oid,
                            filepair_fn fn, const char *prefix, int ignorews);
 
 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn,