Merge branch 'rj/leakfixes' into next

Leakfixes

* rj/leakfixes:
  tests: mark as passing with SANITIZE=leak
  config: fix a leak in git_config_copy_or_rename_section_in_file
  branch: fix a leak in cmd_branch
  branch: fix a leak in setup_tracking
  rev-parse: fix a leak with --abbrev-ref

config.c

@@ -3844,6 +3844,7 @@ static int git_config_copy_or_rename_section_in_file(const char *config_filename
 						output[0] = '\t';
 					}
 				} else {
+					strbuf_release(&copystr);
 					copystr = store_create_section(new_name, &store);
 				}
 			}