Re: [gentoo-dev] Script to clean old files from /usr/portage/distfiles

["José Fonseca" <j_r_fonseca@yahoo.co.uk>]

On Tue, Nov 12, 2002 at 12:42:41AM +0100, Johannes Ball? wrote:
> Am Monday 11 November 2002 21:38 schrieb José Fonseca:
> > I never do `rm -f /usr/portage/distfiles'. I find very useful having the
> > sources of the installed packages ihandy as it avoids downloading
> > everything over andagain when updating to new releases of the same
> > version, or when installing Gentoo on another system. But after some
> > time that directory gets too fat and is too boring to eliminate the
> > deprecated packages by hand so I've made a script to automate this. You
> > can see it attached.
> 
> Sounds good! I was missing this feature ...
> 
> >
> > I've started with a shell script, then python, then I've read qpkg.sh,
> > ebuild.sh, portage.py and many others in the search of the easiest way
> > to do this. In the end everything boiled down to 2 lines - the rest is
> > just sintatic sugar!
> >
> > I hope you enjoy it.
> >
> > José Fonseca
> 
> When I run your script, though, I get this:
> 
> sed: can't read /usr/portage/metadata/cache/sys-kernel/linux-headers-2.4.19: 
> No such file or directory
[...]

These are packages which were installed from your '/usr/local/portage'
or were removed from portage.

> 
> Could this be my fault? Sometimes when I was messing with the files in 
> /usr/portage I wasn't sure whether an 'emerge rsync' would fix it all up 
> again ...
> 
> I also have some stuff in /usr/local/portage ...

It's not really your fault, but just a limitation of the script. Please
read my second post for more info about this.

I decided not to flush the error output to /dev/null so that one is
alerted that the sources specific to these package [ do not belong to
any other]will get deleted.

I could write a variation of the script without these shortcomings -
that actually read the installed ebuilds which is *much* slower. I
personally don't need it as I only have little stuff in
/usr/local/portage.

If there is enough interest I'll add a couple of operation modes to the
script: "dummy", and "safe"; to make a dry-run and/or a safe evaluation
of the installed packages repectively.

José Fonseca
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