Alejandro Alcalde

Graduado en Ingeniería Informática en la ETSIIT, Granada. Creador de El Baúl del Programador

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Recently I had a problem trying to remove slotted packages in Gentoo, here is how I did it.

First use equery list <pkg> to list package matching PKG:

$ equery list emacs
 * Searching for emacs ...
[IP-] [  ] app-editors/emacs-24.5-r3:24
[IP-] [  ] app-editors/emacs-25.1:25

There are two emacs packages, slotted in :24 and :25, respectively. In order to remove the older version, execute:

$ sudo emerge -C emacs-24.5-r3:24
 * This action can remove important packages! In order to be safer, use
 * `emerge -pv --depclean <atom>` to check for reverse dependencies before
 * removing packages.

    selected: 24.5-r3
   protected: none
     omitted: 25.1

All selected packages: =app-editors/emacs-24.5-r3

>>> 'Selected' packages are slated for removal.
>>> 'Protected' and 'omitted' packages will not be removed.

>>> Waiting 5 seconds before starting...
>>> (Control-C to abort)...
>>> Unmerging in: 5 4 3 2 1
>>> Unmerging (1 of 1) app-editors/emacs-24.5-r3...
 * Regenerating site-gentoo.el for GNU Emacs (postrm) ...
[ ok ]
 * ... 4 site initialisation files included.

 * Regenerating GNU info directory index...
 * Processed 140 info files.

After removing the package, check what packages depended on it:

 $ equery depends emacs-24.5-r3:24
 * These packages depend on emacs-24.5-r3:24:
app-emacs/emacs-common-gentoo-1.5 (virtual/emacs)
app-emacs/markdown-mode-2.1 (>=virtual/emacs-23)
app-emacs/quilt-el-0.48.0 (>=virtual/emacs-23)
app-emacs/scala-mode-2.10.3 (>=virtual/emacs-23)
dev-python/cython-0.24.1 (emacs ? virtual/emacs)
dev-scheme/guile-1.8.8-r3 (emacs ? virtual/emacs)
dev-util/cmake-3.6.3 (emacs ? virtual/emacs)
dev-util/desktop-file-utils-0.23 (emacs ? virtual/emacs)
dev-util/ninja-1.6.0 (emacs ? virtual/emacs)
dev-vcs/git-2.10.2 (emacs ? virtual/emacs)
net-dns/libidn-1.33 (emacs ? virtual/emacs)
virtual/editor-0 (app-editors/emacs)
virtual/emacs-24 (app-editors/emacs:24)

The last step:

sudo emerge --update --deep --with-bdeps=y --newuse -atv @world


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