+ /*
+ * GIT_WORK_TREE makes sense only in conjunction with GIT_DIR
+ * without --bare. Catch the error early.
+ */
+ git_dir = getenv(GIT_DIR_ENVIRONMENT);
+ if ((!git_dir || is_bare_repository_cfg == 1)
+ && getenv(GIT_WORK_TREE_ENVIRONMENT))
+ die("%s (or --work-tree=<directory>) not allowed without "
+ "specifying %s (or --git-dir=<directory>)",
+ GIT_WORK_TREE_ENVIRONMENT,
+ GIT_DIR_ENVIRONMENT);
+
+ guess_repository_type(git_dir);
+
+ if (is_bare_repository_cfg <= 0) {
+ git_work_tree_cfg = xcalloc(PATH_MAX, 1);
+ if (!getcwd(git_work_tree_cfg, PATH_MAX))
+ die ("Cannot access current working directory.");
+ if (access(get_git_work_tree(), X_OK))
+ die ("Cannot access work tree '%s'",
+ get_git_work_tree());
+ }
+