On Mon, Jul 21, 2003 at 02:31:59PM -0700, Larry McVoy wrote:
> On Mon, Jul 21, 2003 at 05:21:55PM -0400, Andrea Arcangeli wrote:
> > Hi Larry,
> >
> > On Mon, Jul 21, 2003 at 12:45:14PM -0700, Larry McVoy wrote:
> > > You don't need the tags, use dates. You can get the date range you want
> > > with an rlog of the ChangeSet file and then use those dates.
> >
> > I realized I could do this, and it can of course be automated with an
> > additional bkcvs specific hack in cvsps. But the tag in every file would
> > have kept the functionality generic with the already available -r
> > option, and since I can't see any downside in the tag in the files, I
> > prefer that generic way.
>
> The tags means that each file gets modified for each tag and then we have
> to transfer the whole tree after a tag. It thrashes the hell out of the
> disk too, for no good reason.
>
> Also note that there are nowhere near as many tags as there are commits
> in the CVS tree. So by using tags you are restricting yourself to coarse
> granularity in your bug hunts.
the granularity wasn't the issue, I need this feature anyways out of
cvsps (cvsps is exactly the thing that generates the changesets out of
the coarse granularity of the tags). the checkout/rsync being more
expensive sounds a fair enough argument for implementing the feature in
cvsps where it will be zero write cost.
since we're talking about bkcvs, I also would have a feature wish for
the repository export in rsync.kernel.org: would it be possible to
export a sequence number increased once before a transfer, and increased
a second time after the tree is coherent again? When the sequence number
is even and it didn't change before and after the rsync, we'll know the
current status is coherent and we don't need to repeat the rsync (after
some delay). Or is there any other mechanism that guarantees to get a
coherent repository out of rsync?
thanks,
Andrea
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