cmdutil: allow callers of cmdutil.dorecord to omit suggestion Interactive committing under non-interactive mode shows command suggestion, but sometimes it is meaningless. command suggestion usability ------------ ---------- ----------- record commit commit -i commit meaningless qrecord qnew qnew -i qnew meaningless qrefersh -i qrefresh meaningless shelve -i commit incorrect ------------ ---------- ----------- This patch allows callers of 'cmdutil.dorecord()' to omit meaningless suggestion by passing None or so for 'cmdsuggest' argument of it. This is a preparation for subsequent patches, which fix each suggestion issues above.