Rebuilding kernel/system to a state "back-in-time"?

[Erik Cederstrand]

Ewald Jenisch wrote:
> Hi,
> 
> Because of severe problems wrt. a third party app (TSM Backup - see my
> previous post) I'm looking for a way to compile a kernel/system to a
> state as it was several weeks ago.
> 
> To be specific I'd like to build my system/kernel using the
> source-files of FreeBSD 6.2 as they were back on September 14, 2007.
> 
> In cvsup there seems to be a feature "date=..." that should be able to
> accomplish this. Has anybody out there used it sucessfully? Is specifying
> 
> date=2007.09.13.23.59.00
> 
> together with the default-settings in my stable-cvsup-file 
> 
> *default host= <here comes my cvsup-host>
> *default base=/var/db
> *default prefix=/usr
> *default release=cvs tag=RELENG_5

Should be tag=RELENG_6_2

> *default delete use-rel-suffix
> *default compress
> src-all         
> 
> enough?

That should suffice.

> Anything else to consider?

This assumes you're already running 6.2. As long as you don't switch 
branches (or choose a date before the branch occurred!), you should be 
good to go.

Erik