repository: free fields before overwriting them

diff --git a/repository.c b/repository.c
index f107af7d763e848648ace5da0010be4df2e0d4dc..52f1821c6b4c871c86699add1cc88956424173ea 100644 (file)
--- a/repository.c
+++ b/repository.c
@@ -40,11 +40,15 @@ static void repo_setup_env(struct repository *repo)
 
        repo->different_commondir = find_common_dir(&sb, repo->gitdir,
                                                    !repo->ignore_env);
+       free(repo->commondir);
        repo->commondir = strbuf_detach(&sb, NULL);
+       free(repo->objectdir);
        repo->objectdir = git_path_from_env(DB_ENVIRONMENT, repo->commondir,
                                            "objects", !repo->ignore_env);
+       free(repo->graft_file);
        repo->graft_file = git_path_from_env(GRAFT_ENVIRONMENT, repo->commondir,
                                             "info/grafts", !repo->ignore_env);
+       free(repo->index_file);
        repo->index_file = git_path_from_env(INDEX_ENVIRONMENT, repo->gitdir,
                                             "index", !repo->ignore_env);
 }