Re: Git migration timeline

On Mon, Aug 16, 2010 at 9:58 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> 1. Tuesday evening, around 19:00 central european time, which is 17:00
>> GMT or 12:00 EST, I will freeze the current cvs repository. I will do
>> this by disabling committer login on that box, so please note that
>> this will also make it impossible for committers to do a "cvs update"
>> from the authenticated repository.
>
> That's not really going to do, especially since it will also lock out
> "cvs log".  I certainly want to do a final update and cvs2cl after the
> last commits have happened, and I imagine other people will want that
> too.  If there were a way to make the repository read-only that would be
> nice, but I think what we're going to need to settle for is relying on
> the committers to not do any more commits after the specified time.
>
> I can see the point of wanting to be dead certain the repository isn't
> changing under you during the data migration.  Perhaps we need an agreed
> window between last call for commits and the actual lock-out.

I would feel a lot more comfortable if the CVS repository was locked
down before we start running the migration.  Any accidental commits
would be a nuisance.  However, giving a window between last call for
commits and actual lock-out seems reasonable.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company