compat: Add simplified merge sort implementation from glibc

diff --git a/transport.h b/transport.h
index 2f80ab4b03df181dc8b041b1aace5832aa84deb1..6fb4526cda5fc1ee1178fdf1d0840c90b88aa26c 100644 (file)
--- a/transport.h
+++ b/transport.h
@@ -8,7 +8,7 @@ struct transport {
        struct remote *remote;
        const char *url;
        void *data;
-       struct ref *remote_refs;
+       const struct ref *remote_refs;
 
        /**
         * Returns 0 if successful, positive if the option is not
@@ -18,7 +18,7 @@ struct transport {
        int (*set_option)(struct transport *connection, const char *name,
                          const char *value);
 
-       struct ref *(*get_refs_list)(const struct transport *transport);
+       struct ref *(*get_refs_list)(struct transport *transport);
        int (*fetch)(struct transport *transport, int refs_nr, struct ref **refs);
        int (*push)(struct transport *connection, int refspec_nr, const char **refspec, int flags);
 
@@ -30,7 +30,8 @@ struct transport {
 #define TRANSPORT_PUSH_ALL 1
 #define TRANSPORT_PUSH_FORCE 2
 #define TRANSPORT_PUSH_DRY_RUN 4
-#define TRANSPORT_PUSH_VERBOSE 8
+#define TRANSPORT_PUSH_MIRROR 8
+#define TRANSPORT_PUSH_VERBOSE 16
 
 /* Returns a transport suitable for the url */
 struct transport *transport_get(struct remote *, const char *);
@@ -62,7 +63,7 @@ int transport_set_option(struct transport *transport, const char *name,
 int transport_push(struct transport *connection,
                   int refspec_nr, const char **refspec, int flags);
 
-struct ref *transport_get_remote_refs(struct transport *transport);
+const struct ref *transport_get_remote_refs(struct transport *transport);
 
 int transport_fetch_refs(struct transport *transport, struct ref *refs);
 void transport_unlock_pack(struct transport *transport);