static char *calculate_supermin_checksum (guestfs_h *g, const char *supermin_path);
static int check_for_cached_appliance (guestfs_h *g, const char *supermin_path, const char *checksum, char **kernel, char **initrd, char **appliance);
static int build_supermin_appliance (guestfs_h *g, const char *supermin_path, const char *checksum, char **kernel, char **initrd, char **appliance);
static int run_supermin_helper (guestfs_h *g, const char *supermin_path, const char *cachedir, size_t cdlen);
static char *calculate_supermin_checksum (guestfs_h *g, const char *supermin_path);
static int check_for_cached_appliance (guestfs_h *g, const char *supermin_path, const char *checksum, char **kernel, char **initrd, char **appliance);
static int build_supermin_appliance (guestfs_h *g, const char *supermin_path, const char *checksum, char **kernel, char **initrd, char **appliance);
static int run_supermin_helper (guestfs_h *g, const char *supermin_path, const char *cachedir, size_t cdlen);