Re: Setting default version in Poudriere

On 2024-07-05 21:40, Pat wrote:
> On Friday, July 5th, 2024 at 08:57, Edward Sanford Sutton, III 
> <mirror176@hotmail.com> wrote:
> 
>> 
>> 
>> On 7/4/24 13:57, Pat wrote:
>> 
>> > Hello,
>> >
>> > Got a couple of rather silly question, but I can't find a definitive
>> > answer to either.
>> >
>> > If I build PostgreSQL15-server, I get version 15.7. That is the latest
>> > version, so not unexpected.
>> >
>> > I would like to build version 15.6. Ideally I would like to have both
>> > versions available because for the most part I want to install 15.7, but
>> > I need 15.6 at the moment.
>> >
>> > So my questions are:
>> > How do I configure things to have both versions available?
>> > If that is not possible, how do I set the default to be 15.6 for now,
>> > with the intent of undoing that after my testing?
>> 
>> 
>> There is only one port for version 15; to use 15.6 you need a copy of
>> the ports tree with any git commit from
>> 6fa897631d45dd11a5b1fcea5993590f9ccbef48 to before
>> ade1c57e3a72ec9c4a7c02ce28dbfbd5efcce373 (probably
>> de67baaee9ffaf88fa80dcda1f89d83df424d0a4 but I'm bad at sorting 
>> through
>> git hashes). You could also manually patch the tree to have an older
>> copy in place of the newer one.
> 
> Thanks for taking the time to reply, and pinning to a specific commit
> is in line with some of the information that I found, in particular
> in the FreeBSD forums. But that leads to another question.
> 
> I haven't done a lot with git in some time, but I am familiar with the
> basics. I seem to recall that in order to identify a directory as a
> git repo there should be a .git directory and a few other git related
> items. I do not see any of that in any of the ports directories. For
> instance:
> 
>  ls /usr/local/poudriere/ports/default/databases/postgresql15-server
>  total 259
>  drwxr-xr-x     3 root  wheel     13 May 16 13:07 ./
>  drwxr-xr-x  1085 root  wheel   1086 Jun 24 20:19 ../
>  -rw-r--r--     1 root  wheel    801 May 16 13:07 Makefile
>  -rw-r--r--     1 root  wheel    187 May 16 13:07 distinfo
>  drwxr-xr-x     2 root  wheel     18 May 16 13:07 files/
>  -rw-r--r--     1 root  wheel   1238 Mar  1 11:12 pkg-descr
>  -rw-r--r--     1 root  wheel    482 Mar  1 11:12 pkg-install-server
>  -rw-r--r--     1 root  wheel  58816 Mar  1 11:12 pkg-plist-client
>  -rw-r--r--     1 root  wheel  10763 Mar  1 11:12 pkg-plist-contrib
>  -rw-r--r--     1 root  wheel    979 Mar  1 11:12 pkg-plist-plperl
>  -rw-r--r--     1 root  wheel   1389 Mar  1 11:12 pkg-plist-plpython
>  -rw-r--r--     1 root  wheel    197 Mar  1 11:12 pkg-plist-pltcl
>  -rw-r--r--     1 root  wheel  89992 May 16 13:07 pkg-plist-server
> 
> Is that the right tree, or should I be looking elsewhere? I'm just
> not sure where run the git commands from. If I knew that I might
> could figure the rest out from there.
> 
>> With poudriere, you can have multiple ports trees which once created
>> you can then select for tasks such as `poudriere bulk -j 14 -p 
>> outdated databases/postgresql15-server`
>> I'm not sure how easily you can have just a directory separate from
>> the ports tree for poudriere to use in a port's place but tools such 
>> as
>> ports-mgmt/portdowngrade may simplify the process for downgrading the
>> port but I haven't tried it since git.
>> If you want both versions available simultaneously from 1 poudriere
>> run, I presume you need to add a new unique tree entry that is a copy 
>> of
>> 15.6 under its own named path and add it to databaes's Makefile. If 
>> you
>> are just doing some a/b testing where you want to keep bouncing back 
>> and
>> forth, I'd just have the tree with the old version as a separate ports
>> tree and do the poudriere build of it and the updated version as 2
>> separate repos then change which one pkg looks at and (force?)
>> installation of packages for each test.
> 
> Yeah, my intent here is to do some simple a/b testing prior to a
> production upgrade. I think the easiest option is to just create
> two jails, one at the current level, and one at 15.6. I just need to
> figure out the pinning part and I'm probably good.
> 
>> 
>> > Thanks,
>> > Pat
>> 
>> 

I would suggest just creating a port for postgres 15.6 in addition to 
the 15.7 that's already in the ports tree