large repository with only a few new or modified rpms this can
significantly reduce I/O and processing time.
.br
+.IP "\fB\--skip-stat\fP"
+skip the stat() call on a --update, assumes if the filename is the same
+then the file is still the same (only use this if you're fairly trusting or
+gullible).
+.br
.IP "\fB\-C --checkts\fP"
Don't generate repo metadata, if their timestamps are newer than its rpms.
This option decreases the processing time drastically again, if you happen