repository: free fields before overwriting them

diff --git a/repository.c b/repository.c
index 1617467568c76e685d5f852c27ca16f26ed0494c..52f1821c6b4c871c86699add1cc88956424173ea 100644 (file)
--- a/repository.c
+++ b/repository.c
@@ -4,7 +4,9 @@
 #include "submodule-config.h"
 
 /* The main repository */
-static struct repository the_repo;
+static struct repository the_repo = {
+       NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &the_index, 0, 0
+};
 struct repository *the_repository = &the_repo;
 
 static char *git_path_from_env(const char *envvar, const char *git_dir,
@@ -38,11 +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);
 }
@@ -235,8 +241,6 @@ int repo_read_index(struct repository *repo)
 {
        if (!repo->index)
                repo->index = xcalloc(1, sizeof(*repo->index));
-       else
-               discard_index(repo->index);
 
        return read_index_from(repo->index, repo->index_file);
 }