On Friday 21 November 2003 05:03, Jeffrey Smelser wrote:
# emerge -p depclean
*** WARNING *** : DEPCLEAN CAN SERIOUSLY IMPAIR YOUR SYSTEM. USE CAUTION. *** WARNING *** : (Cancel: CONTROL-C) -- ALWAYS VERIFY ALL PACKAGES IN THE *** WARNING *** : CANDIDATE LIST FOR SANITY BEFORE ALLOWING DEPCLEAN TO *** WARNING *** : UNMERGE ANY PACKAGES. *** WARNING *** : *** WARNING *** : USE FLAGS MAY HAVE AN EXTREME EFFECT ON THE OUTPUT. *** WARNING *** : SOME LIBRARIES MAY BE USED BY PACKAGES BUT ARE NOT *** WARNING *** : CONSIDERED TO BE A DEPEND DUE TO USE FLAG SETTINGS. *** WARNING *** : *** WARNING *** : Packages in the list that are desired may be added *** WARNING *** : directly to the world file to cause them to be ignored *** WARNING *** : by declean and maintained in the future. BREAKAGES DUE *** WARNING *** : TO UNMERGING AN IN-USE LIBRARIES MAY BE REPAIRED BY *** WARNING *** : MERGING *** THE PACKAGE THAT COMPLAINS *** ABOUT THE *** WARNING *** : MISSING LIBRARY.
It will delete dependencies that are required by packages.. It says so right there.. And if that's not enough..
It may delete dependencies that are required by packages if the required packages were installed with different use flags to what is currently set. Yes, it's a bug. If you don't change your use flags, this command is perfectly safe. If you do change your use flags, there is an app called revdep-rebuild which will fix any packages that become broken.
'emerge depclean' is bad and evil and should not be used. Plain old 'depclean' (comes with gentoolkit) is a much better tool for this kind of thing.
-- Andrew Gaffney
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