extern int zlib_compression_level;
extern size_t packed_git_window_size;
extern size_t packed_git_limit;
+extern size_t delta_base_cache_limit;
extern int auto_crlf;
#define GIT_REPO_VERSION 0
extern char git_default_email[MAX_GITNAME];
extern char git_default_name[MAX_GITNAME];
-extern char *git_commit_encoding;
+extern const char *git_commit_encoding;
extern const char *git_log_output_encoding;
extern int copy_fd(int ifd, int ofd);