Patrick Börjesson <psychoti...@lavabit.com> posted
20090529201741.gb11...@nexon.nexus, excerpted below, on  Fri, 29 May 2009
22:17:41 +0200:

> Why exactly would you want to use --oneshot for a "leaf package" that is
> not depended on by any other package in the world set? If spam IS
> depended on by any other package (recursively) in the world set, it will
> be pulled in by --complete-graph, but that's not the case here if i
> understand it correctly, thus it's a package that you explicitly wanted
> installed, thus it belongs in the world set, and you should thus not use
> --oneshot for it.

I use -1 by default, here (via scriptlet), mainly so I don't have to 
worry about cluttering up my world file while emerging individual 
packages, just as I always use -NuD with my @system and @world runs.

But for leaf packages, it serves as a sort of test install as well.  
Since I always do revdep-rebuild -p and emerge --depclean -p after every 
update (typically 2-3 times a week), then rebuild and clean as I need to, 
keeping the "trial merges" on the depclean list for a few days keeps me 
aware of them.  If I know it's something I want to keep, I run a 
different scriptlet without the -1, but that's not often once a system is 
up and running with the normal working set merged.  Meanwhile, I 
ultimately either emerge -C (or let depclean handle it) the "trialware", 
or emerge --noreplace, thus adding it to world.

But experimental installs and their deps typically sit in the --depclean 
list for anything from a few minutes to a few days, until I decide 
whether I want to keep or remove them.

If he was testing how the switches under discussion here worked and has a 
similar policy, I could easily see him using -1 by habit, even if he 
didn't explicitly reason that it was a test and therefore something he 
didn't want in @world.

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman


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