prefer "!=" when checking read_in_full() result

diff --git a/repository.c b/repository.c
index f107af7d763e848648ace5da0010be4df2e0d4dc..97c732bd48ca8776203ae0936fe8ee61bb330ad9 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);
 }
@@ -52,16 +56,12 @@ static void repo_setup_env(struct repository *repo)
 void repo_set_gitdir(struct repository *repo, const char *path)
 {
        const char *gitfile = read_gitfile(path);
+       char *old_gitdir = repo->gitdir;
 
-       /*
-        * NEEDSWORK: Eventually we want to be able to free gitdir and the rest
-        * of the environment before reinitializing it again, but we have some
-        * crazy code paths where we try to set gitdir with the current gitdir
-        * and we don't want to free gitdir before copying the passed in value.
-        */
        repo->gitdir = xstrdup(gitfile ? gitfile : path);
-
        repo_setup_env(repo);
+
+       free(old_gitdir);
 }
 
 /*