Re: [gentoo-dev] RFC: emerge snapshots

[Sven Vermeulen <svermeulen@siphos.be>]

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On Wed, Jan 25, 2006 at 02:12:38AM +0900, Kalin KOZHUHAROV wrote:
> r100
> emerge foo
> r101
> emerge --unmerge foo
> r102

You're like asking to put your entire system under a versioning system
control. Sounds like fun, but also like a lot of diskspace usage on your
versioning server.

$ ${VCTOOL} commit --label=r100 --recursive /
$ emerge foo
$ ${VCTOOL} commit --label=r101 --recursive /
...
$ ${VCTOOL} checkout --label=r100 --recursive /

Using the FEATURES="buildpkg" helps a lot, especially if you also take
snapshots of your portage tree (since any breakage due to an "emerge -uDN
world" can hopefully be fixed by restoring the backup portage tree and run
"emerge -uDN world" again).

If you then put your configuration files under versioning control, you
should be set.

Wkr,
      Sven Vermeulen

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