Les Mikesell wrote:
Rahul Sundaram wrote:
Michael Cronenworth wrote:
-------- Original Message --------
Subject: Proposal: Rolling Release
From: Eric Springer <erikina@xxxxxxxxx>
To: fedora-devel-list@xxxxxxxxxx
Date: 11/10/2008 07:42 AM
Thoughts? Flames? Ideas?
Actually, what Fedora needs already exists: preupgrade
It just needs to be turned into a mandatory update tool with
PackageKit. Joe Enduser needs to be able to click "Update Me!" and
go from Fedora 9 to Fedora 10 with a single click.
Already implemented. PackageKit hooks up to Preupgrade and you would
get a desktop blurb letting you know that when a subsequent release of
Fedora is available.
The real missing piece is 'undo' when you find out that a change in the
new version breaks something that you need. Does anyone know if that
actually works on systems using conary (i.e. can you back up a major
revision)?
Not feasible for RPM due to pre/post scripts. The rudimentary roll back
support in RPM has actually been removed in 4.6. It probably needs the
underlying filesytem to support snapshots. Something like btrfs needs to
be in place first.
If that's not feasible, how about something else, useful in its own
right: a migration tool that would let you move an existing system to
different hardware or in/out of VMware/virtualbox, etc., preferably with
the ability to keep everything but the system partitions intact and
shared. Then when it is time to upgrade, you could migrate into a
virtualbox image or spare machine, upgrade that, then after testing your
apps and usage, migrate it to the host hardware.
Or if that's too complicated, how about an option to pre-allocate a
spare system partition during the initial install for the next version
and have that upgrade process give you a dual-boot system so you have a
way back. Then the next upgrade would rotate back to the first
partition, and so on.
File RFE's in http://bugzilla.redhat.com. Otherwise it will likely just
get lost in a long thread.
Rahul
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