Re: CVS commit: wip/packman

["Jeremy C. Reed" <reed%reedmedia.net@localhost>]

> > Can it use pkg_summary(5) files (available with many package repos) to do
> > binary-only package management?
> 
> No, can you elaborate a bit ? I have no idea what package repos you are 
> talking about, but I may have time these weeks to write something like this.

First look at the pkg_summary manual page.

The FTP download sites should have pkg_summary.gz files in the All/ 
directories. (There are some missing pkg_summary.gz files as discussed on 
pkgsrc-users@ list. If you need one and it is missing, please complain.)

So basically something like this:

- Add option or argument to fetch the pkg_summary.gz file that corresponds 
to what operating system, version, and desired pkgsrc branch you have 
installed (or want to go to).

- Compare your installed packages against the downloaded pkg_summary data 
(also use your "want" and "freeze" in this comparison).

- If updates are noticed, then check dependencies too (if you want) by 
looking in pkg_summary data.

* Note: don't just update a dependency because a newer version is 
available, but only if the dependency update is required (this data is in 
the pkg_summary data). You could make that an option for your tool to 
update dependencies to latest package version also.

- Build an ordered list of packages with any needed dependencies needed to 
do the update.

- Double-check that all dependencies are available by checking the 
pkg_summary file.

- Double-check conflicts/compatibilities with any packages and needed 
dependencies with what is currently installed and what you plan to 
install.

- Download just the needed packages and store in some packages directory. 
(Maybe your tool could have feature to remove older files versions -- 
maybe keep one old.)

- If download is successful, then deinstall and install in order. You may 
also want to use pkg_add -u or pkg_add -uu as appropriate.

> > By the way, I think there are two projects called "packman" for package
> > management and I think there is a "pacman" (not the game) for package
> > management.
> > 
> 
> Yeah, I wasn't very impressed myself with this name but this is what I typed 
> after vi. First time I didn't have in mind to release it but I've seen 
> several other people looking for 'wip/pkgmanager without clisp'. Maybe I'll 
> change it. Any suggestions ? :)

I will have to think about that. Maybe someone else here can provide a 
suggestion...

  Jeremy C. Reed

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