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Re: rsync and moved files

On Sat, 22 Jan 2000, jason andrade wrote:

> > if someone rsyncs the complete debian-cd hierarchy, will rsync notice if you
> > move from 2.1 to 2.2 for example and only copy the differences?
> `no'. not exactly.  i understand that if you are mirroring the *whole*
> area, phil said something like all the cds in slink_test are hard links
> to the release cds, so i guess technically, the names/paths won't change
> rsync will update those.
> but i doubt it works this way in reality myself for automated mirroring.
> i'm happy for someone else to confirm it does work this way though.
> > If it doesn't, this is worthless, right?
> not exactly.  you will need manual intervention.
> > How should that be handled by mirror sites? (I would appreciate it if there
> > is an automatic solution and I don't have to rename the directories :-) )
> for something as large as an ISO site, where it would cost us literally
> thousands of dollars if we had to redownload a lot of data in network
> charges (in australia you pay by the megabyte for traffic), i don't update
> automatically and instead rely on the prompt notice to the mailing list of
> changes that are going to happen to the site.
> of course i prefer to find out BEFORE the changes are made.. but it
> doesn't affect me too much.
> so the routine for me is:
> hear about changes coming
> after change happens, change main directory name
> run rsync over files to get changes
> fix up anything else needed - the last 2.1r2 -> r4 changes were
> messy because m68k wasn't release and you needed to keep 2 sets
> of directories etc..
> because debian-cd is very few files, this doesn't take much time.

Try the debcdmirror script, see http://cdimage.debian.org/ch4.html
Even if you don't run it as a cron job (never trust it ;-), it'll save you the
trouble of doing everything manually.

  Anne Bezemer

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