-extern void repo_add_debpackages(Repo *repo, FILE *fp, int flags);
-extern void repo_add_debdb(Repo *repo, const char *rootdir, int flags);
-extern void repo_add_debs(Repo *repo, const char **debs, int ndebs, int flags);
+extern int repo_add_debpackages(Repo *repo, FILE *fp, int flags);
+extern int repo_add_debdb(Repo *repo, int flags);