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140429 Neil Bothwick wrote: |
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> On Tue, 29 Apr 2014 06:16:03 -0400, Philip Webb wrote: |
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PW> Yes, I can do 'emerge -C nano', but that is brute force & deprecated. |
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NB> Deprecated? Really? I must have missed that. |
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PW> * This action can remove important packages! |
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> * In order to be safer, use `emerge -pv --depclean <atom>` |
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> I'ld say that means 'deprecated' as much as anything does, |
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> ie "in order to be safer" do it in a different but recommended way. |
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NB> I wouldn't. If it was deprecated, it would say so. |
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'Deprecate' has 2 meanings here : (1) technical, in software circles, |
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(2) common, = 'disapprove of', 'advise against' etc. |
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NB> All this message says is that using -c is safer than -C, |
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> not that -C should not be used. |
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PW> The ebuild has a long list of possible editors, |
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> incl Vim Ed Nano, but nothing singling out Nano. |
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NB> Except that nano is first in the list and portage takes |
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> the first available dependency as satisfying the virtual. |
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PW> Doesn't Portage check whether any of the others are installed ?! |
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NB> Apparently not. As long as the dependency is satisfied, so is portage. |
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> Extra checking would only slow down dependency resolution even more. |
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Not much & it trades off against avoiding long scary output. |
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NB> Unmerge nano and portage will look at the rest of the list, |
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> be satisfied with vim and not try to re-emerge nano. |
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> I uninstall nano like this whenever I install a Gentoo system, |
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> as I use either Joe or Emacs. |
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Yes, Portage does as you describe : |
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root:567 ~> emerge -C nano |
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* This action can remove important packages! In order to be safer ... |
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Waiting 10 seconds before starting ... |
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All selected packages: app-editors/nano-2.3.2 ... |
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Waiting 5 seconds before starting ... |
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Unmerging (1 of 1) app-editors/nano-2.3.2 ... |
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root:568 ~> emerge -cpv vim |
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Calculating dependencies ... |
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app-editors/vim-7.4.131 pulled in by ... |
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virtual/editor-0 requires app-editors/vim |
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No packages selected for removal by depclean |
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root:569 ~> |
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I sometimes have the feeling Portage's behaviour is not fully thought out |
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& often that Portage advisory messages are written by Martians (grin). |
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-- |
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========================,,============================================ |
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SUPPORT ___________//___, Philip Webb |
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ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto |
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TRANSIT `-O----------O---' purslowatchassdotutorontodotca |
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