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CCMCornell
n00b
Joined: 28 May 2006
Posts: 39
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 Posted: Thu Oct 25, 2007 11:06 pm Post subject: Eclean and Shared Portage |
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| I have a shared portage tree over NFS for my two Gentoo machines. I just read about eclean to clean up unneeded distfiles and packages. Is there a way to run eclean so that it removes distfiles no longer needed by either system? I thought maybe there would be a way to somehow import the list of files to keep from, say, box #2 and add them to /etc/eclean/distfiles.exclude on box #1 and then run eclean on box #1, but that's beyond my know-how. |
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timeBandit
Bodhisattva
Joined: 31 Dec 2004
Posts: 2719
Location: here, there or in transit
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| Posted: Mon Oct 29, 2007 7:30 pm Post subject: |
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I don't believe that behavior is built-in.
Let's call box #1 the machine that hosts the Portage tree, and box #2 the one that mounts the tree via NFS. Here's the easiest method that comes to mind:
| On Box #1: | cd /usr/portage
mkdir dist-all box1 box2
ln distfiles/* dist-all |
Please note that's just ln, not ln -s. You must create hard links for this.
| Still on Box #1: | eclean
ln distfiles/* box1
find dist-all -type f -links 1 -exec ln "{}" distfiles \;
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You now have all distfiles needed by box #1 linked in /usr/portage/box1, and have restored /usr/portage/distfiles to its original state (as if you never ran eclean).
Your shared /usr/portage/distfiles now reflects only what's needed by box #2. However, all distfiles are still linked from dist-all, so those needed only by box #1 aren't really gone yet.
| Back on Box #1: | ln distfiles/* box2
find dist-all -type f -links 1 -delete |
That identifies and removes from ./dist-all those files not used by either box. They have a hard-link count of 1 because they are not linked from ./box1 nor ./box2. You now have:- All distfiles needed by box #1 in /usr/portage/box1
- All distfiles needed by box #2 in /usr/portage/box2 (and /usr/portage/distfiles)
- All distfiles needed by either or both boxes in /usr/portage/dist-all.
You need only the last set, so remove the rest:
| Still on Box #1: | rm -rf distfiles box1 box2
mv dist-all distfiles |
...and Bob's your uncle. 
_________________
Plants are pithy, brooks tend to babble--I'm content to lie between them.
Super-short f.g.o checklist: Search first, strip comments, mark solved, help others. |
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mv
Watchman
Joined: 20 Apr 2005
Posts: 6780
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| Posted: Mon Oct 29, 2007 7:54 pm Post subject: |
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With trickyfetch:
| Code: | cd $DISTDIR
mkdir .obsolete
mv * .obsolete
emerge -feD world (on machine 1)
emerge -feD world (on machine 2)
rm .obsolete/* |
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Portage & Programming
