Merge branch 'jt/connected-show-missing-from-which-side' into seen

We may find an object missing after a "git fetch" stores the
objects it obtained from the other side; attempt to tell if the
missing object was missing before "git fetch" started or it is
missing because the other side did not send it.

source: <[email protected]>

* jt/connected-show-missing-from-which-side:
  fetch,fetch-pack: clarify connectivity check error

Author: gitster

builtin/fetch.c

@@ -1138,7 +1138,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 
 		rm = ref_map;
 		if (check_connected(iterate_ref_map, &rm, &opt)) {
-			rc = error(_("%s did not send all necessary objects\n"), url);
+			rc = error(_("connectivity check failed after fetching from %s\n"), url);
 			goto abort;
 		}
 	}

fetch-pack.c

@@ -2047,7 +2047,7 @@ struct ref *fetch_pack(struct fetch_pack_args *args,
 		if (args->deepen)
 			opt.is_deepening_fetch = 1;
 		if (check_connected(iterate_ref_map, &iterator, &opt)) {
-			error(_("remote did not send all necessary objects"));
+			error(_("connectivity check failed after fetching from remote"));
 			free_refs(ref_cpy);
 			ref_cpy = NULL;
 			rollback_shallow_file(the_repository, &shallow_lock);