[mythtv-users] Feature request: backwards compatability
Jeff Simpson
llcooljeff at gmail.com
Wed May 18 14:46:44 UTC 2005
On 5/18/05, David Shay <david at shay.net> wrote:
> >----- Original Message -----
> >From: Bryan Halter
> >To: Discussion about mythtv
> >Sent: Tuesday, May 17, 2005 9:55 PM
> >Subject: Re: [mythtv-users] Feature request: backwards compatability
>
> >because Gentoo does both at the same time...we don't do ./configure && make
> && make install we do emerge -u mythtv :)
>
> You could use some of the emerge flags mentioned earlier (usepkg, etc.), but
> you can also almost exactly replicate the steps above by using the ebuild
> command. These could be scripted, obviously...
>
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild setup
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild fetch
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild unpack
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild compile
>
> Then, to actually install them, another script to do:
>
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild install
> ebuild /usr/portage/media-tv/mythtv/mythtv-0.18.ebuild qmerge
>
>
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I don't see what the problem is with gentoo...
When I upgrade, I just emerge everything, frontend, backend, etc etc,
but I just don't restart any of the software until I'm ready for the
upgrade. Until the backend is actually restarted, it continues to run
the old version, same with the frontend. Even tho the binary on the
drive got replaced with the new version, the old one is still running
in memory.
Now after saying that, I don't suggest running that way for a long
time, because if/when either part crashes, it'll re-load with the new
version at a time which may not be convenient.
Things like commercial flagging and transcoding that run as separate
processes might not work so well in the in-between state, either.
-Jeff
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