public inbox for gentoo-user@lists.gentoo.org
 help / color / mirror / Atom feed
From: Neil Bothwick <neil@digimed.co.uk>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] cleaning /var/lib/portage/world
Date: Wed, 16 Aug 2017 18:07:21 +0100	[thread overview]
Message-ID: <20170816180721.1b613578@digimed.co.uk> (raw)
In-Reply-To: <CAHH9eM4_1BZp3WFjdfqyGOhJzSN68pzyA1A5Pwvnk1Qy4dmR2Q@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1330 bytes --]

On Wed, 16 Aug 2017 13:23:28 -0300, Francisco Ares wrote:

> 2017-08-16 10:40 GMT-03:00 Arve Barsnes <arve.barsnes@gmail.com>:
> 
> > On 16 August 2017 at 13:32, Francisco Ares <frares@gmail.com> wrote:
> >  
> >> But, after backing up the original "world" file and replacing with
> >> the one built by the script, things don't work as expected, as a lot
> >> of packages were orphaned, by checking with "depclean".
> >>
> >> Anyone could tell me what did I miss?
> >>  
> >
> > You're probably getting false positives from equery, as you haven't
> > taken USE flags into consideration.
> >
> > An example:
> > # equery d unrar
> > app-arch/rar-5.5.0_p20170811 (all_sfx ? app-arch/unrar)
> > app-emulation/winetricks-20170614 (rar ? app-arch/unrar)
> >
> > I don't have the USE="rar" set on winetricks, so although it is
> > correct that rar would keep unrar available, since I have
> > USE="all_sfx" set, your script will make the wrong choice if I don't
> > have rar installed.

> Good point!  Back to work.

emerge -cpv cat/pkg will tell you whether the package can be removed or
if it is needed by something else. It will take a while to run it for
every atom in @world but it will give reliable results, as determined by
portage.


-- 
Neil Bothwick

Nostalgia isn't what it used to be.

[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

  reply	other threads:[~2017-08-16 17:08 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-16 11:32 [gentoo-user] cleaning /var/lib/portage/world Francisco Ares
2017-08-16 13:40 ` Arve Barsnes
2017-08-16 16:23   ` Francisco Ares
2017-08-16 17:07     ` Neil Bothwick [this message]
2017-08-17 14:34       ` Peter Humphrey

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170816180721.1b613578@digimed.co.uk \
    --to=neil@digimed.co.uk \
    --cc=gentoo-user@lists.gentoo.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox