[gentoo-dev] Package moves as repocopies

[gentoo-dev] Package moves as repocopies

[Donnie Berkholz]

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I've been wondering lately with the discussion of yet more new
categories, why don't we do repocopies to move packages? Note that I'm
talking about packages switching categories and explicitly _not_ about
package name changes.

Although this would require a request to someone with shell access to
the CVS box, it would preserve all the history of the moved packages.
The loss of history is (IMO) the _primary_ problem of moving packages.

Thanks,
Donnie
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Re: [gentoo-dev] Package moves as repocopies

[Chris Gianelloni]

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On Tue, 2005-06-28 at 15:35 -0700, Donnie Berkholz wrote:
> Although this would require a request to someone with shell access to
> the CVS box, it would preserve all the history of the moved packages.
> The loss of history is (IMO) the _primary_ problem of moving packages.

I definitely agree.  Losing the history really stinks, especially if you
have to pull something from the Attic.  Not only this, but it affects
moves outside of the portage tree, as well.  As a good example,
livecd-functions.sh was moved from baselayout to livecd-tools.  All the
history was lost.  Luckily, it hadn't changed too much, and the broken
part of the script was done by me after the move, so I was able to find
it easily, but what if it had been before the move?

-- 
Chris Gianelloni
Release Engineering - Strategic Lead/QA Manager
Games - Developer
Gentoo Linux

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Re: [gentoo-dev] Package moves as repocopies

[Robin H. Johnson]

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On Tue, Jun 28, 2005 at 03:35:01PM -0700, Donnie Berkholz wrote:
> I've been wondering lately with the discussion of yet more new
> categories, why don't we do repocopies to move packages? Note that I'm
> talking about packages switching categories and explicitly _not_ about
> package name changes.
Because client-side CVS sucks at dealing with this - and from it's
point of view, there is no difference between renaming and moving
packages - they are both just directory names.

After such a move of directories, CVS clients running their next update
would find NO record of the old directory when they attempted to update
it, and the CVS client would then NOT touch the local copy at all.

Eg:
1. sys-apps/foo exists on server
2. all clients are consistent with server.
3. sys-apps/foo is moved to sys-apps/bar.
3. client A tries to update.
3.1. sys-apps/bar is downloaded as it's new to the client.
3.2. sys-apps/foo on the client side is NOT removed, as the server
doesn't know about it (it would need an explicit deletion record on the
server).
4. client has sys-apps/foo until such time as it is manually deleted.

-- 
Robin Hugh Johnson
E-Mail     : robbat2@orbis-terrarum.net
Home Page  : http://www.orbis-terrarum.net/?l=people.robbat2
ICQ#       : 30269588 or 41961639
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Re: [gentoo-dev] Package moves as repocopies

[Aron Griffis]

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Robin H. Johnson wrote:[Sat Jul 02 2005, 02:47:48PM EDT]
> After such a move of directories, CVS clients running their next update
> would find NO record of the old directory when they attempted to update
> it, and the CVS client would then NOT touch the local copy at all.

So copy it instead of moving it, then do a proper cvs rm on the old
one.

Package moving/renaming with history following is a worthwhile feature
to pursue.  Nobody wants to go digging through various directories
to track down package history, especially if the package has moved
or been renamed more than once.

Regards,
Aron

--
Aron Griffis
Gentoo Linux Developer


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Re: [gentoo-dev] Package moves as repocopies

[Donnie Berkholz]

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Aron Griffis wrote:
> Robin H. Johnson wrote:[Sat Jul 02 2005, 02:47:48PM EDT]
> 
>>After such a move of directories, CVS clients running their next update
>>would find NO record of the old directory when they attempted to update
>>it, and the CVS client would then NOT touch the local copy at all.
> 
> 
> So copy it instead of moving it, then do a proper cvs rm on the old
> one.

This is why I called it "repocopies" in the subject rather than
"repomoves." =)

Thanks,
Donnie
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Re: [gentoo-dev] Package moves as repocopies

[Robin H. Johnson]

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On Tue, Jun 28, 2005 at 03:35:01PM -0700, Donnie Berkholz wrote:
> Although this would require a request to someone with shell access to
> the CVS box, it would preserve all the history of the moved packages.
> The loss of history is (IMO) the _primary_ problem of moving packages.
I'd like to address this item separately.

The history is NEVER lost in a package move in the current fashion.
It's just split into multiple locations - it's a bit harder to look
back through it, but it isn't lost in any way.

-- 
Robin Hugh Johnson
E-Mail     : robbat2@orbis-terrarum.net
Home Page  : http://www.orbis-terrarum.net/?l=people.robbat2
ICQ#       : 30269588 or 41961639
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Re: [gentoo-dev] Package moves as repocopies

[Mike Frysinger]

On Saturday 02 July 2005 02:49 pm, Robin H. Johnson wrote:
> On Tue, Jun 28, 2005 at 03:35:01PM -0700, Donnie Berkholz wrote:
> > Although this would require a request to someone with shell access to
> > the CVS box, it would preserve all the history of the moved packages.
> > The loss of history is (IMO) the _primary_ problem of moving packages.
>
> I'd like to address this item separately.
>
> The history is NEVER lost in a package move in the current fashion.
> It's just split into multiple locations - it's a bit harder to look
> back through it, but it isn't lost in any way.

umm, that is until someone thinks it's a good idea to delete old stuff

case in point, wtf is app-games in gentoo-x86 ?  we split all the games 
packages into games-* categories but we lost all the history because 
app-games is now gone
-mike
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Re: [gentoo-dev] Package moves as repocopies

[Robin H. Johnson]

On Sat, Jul 02, 2005 at 02:59:49PM -0400, Mike Frysinger wrote:
> umm, that is until someone thinks it's a good idea to delete old stuff
> 
> case in point, wtf is app-games in gentoo-x86 ?  we split all the games 
> packages into games-* categories but we lost all the history because 
> app-games is now gone
When did it vanish? It shouldn't have been removed (at least without a
backup existing somewhere else).

-- 
Robin Hugh Johnson
E-Mail     : robbat2@orbis-terrarum.net
Home Page  : http://www.orbis-terrarum.net/?l=people.robbat2
ICQ#       : 30269588 or 41961639
GnuPG FP   : 11AC BA4F 4778 E3F6 E4ED  F38E B27B 944E 3488 4E85
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Re: [gentoo-dev] Package moves as repocopies

[Mike Frysinger]

On Monday 04 July 2005 06:41 pm, Robin H. Johnson wrote:
> On Sat, Jul 02, 2005 at 02:59:49PM -0400, Mike Frysinger wrote:
> > umm, that is until someone thinks it's a good idea to delete old stuff
> >
> > case in point, wtf is app-games in gentoo-x86 ?  we split all the games
> > packages into games-* categories but we lost all the history because
> > app-games is now gone
>
> When did it vanish? It shouldn't have been removed (at least without a
> backup existing somewhere else).

no idea, i only noticed it when i wanted to look up history on a game which 
hadnt been updated since the move
-mike
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