Thank you for the thorough answer, very helpful. I’ll start poking around!
best regards, Francois > On Mar 24, 2019, at 6:27 PM, Dave Gordon <dg32...@zoho.eu> wrote: > > I think you would implement it as a new type of filter rule. similar to 'P' > (preserve) but with a timestamp or delta-time to define what counts as > 'recent' as well as the pattern to match for this rule to apply (which could > just be a wildcard matching anything by default, but could also use the full > pattern-matching capabilities if required). > > Have a look at: > the 'make_backups' logic in parse_arguments(), where it adds a 'Preserve' > pattern to match all backup files, > name_is_excluded() and its subfunctions check_filter() and rule_matches() in > exclude.c > You'd need to: > define a new filter-type character ('R' for preserve-Recent?) > define the format of the filter rule for this type e.g. how to represent the > time > add code to parse this new ruletype in rule_matches() > decide how your new option interacts with existing filter rules (higher or > lower precedence, degree of specificity, etc) > add code to insert one or more rules of the new type into the filter list in > appropriate positions > Also: > bump the protocol revision number, because an old rsync wouldn't understand > the new ruletype > decide what to do in the case where one side is using the older protocol > (e.g. treat it as traditional --delete, or don't delete at all?). > So not trivial, but not impossibly difficult, and at least the changes would > be fairly localised. > > Hope this helps, > .Dave. > Sent using Zoho Mail <https://www.zoho.com/mail/> > > ---- On Fri, 22 Mar 2019 06:02:33 +0000 Francois Payette via rsync > <rsync@lists.samba.org> wrote ---- > > Kudos all that maintain this awesome and enduring piece of software. Awesome > job, many thanks. > > I’ve come across a use case that would greatly benefit form a > —delete-older-than <secs> argument. This would behave the same as —delete > only sparing files dest that have a creating time less than <secs> ago. How > hard would this be to implement? Where would I start ? > > TIA, > Francois > -- > Please use reply-all for most replies to avoid omitting the mailing list. > To unsubscribe or change options: > https://lists.samba.org/mailman/listinfo/rsync > <https://lists.samba.org/mailman/listinfo/rsync> > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html > <http://www.catb.org/~esr/faqs/smart-questions.html> > > >
-- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html