#14715: Gracefully break upgrading from earlier versions
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Reporter: jdemeyer | Owner: GeorgSWeber
Type: enhancement | Status: needs_work
Priority: blocker | Milestone: sage-6.0
Component: build | Resolution:
Keywords: | Merged in:
Authors: Jeroen Demeyer | Reviewers: Volker Braun
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #14232, #14754, #14417 | Stopgaps:
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Changes (by jdemeyer):
* priority: major => blocker
* milestone: sage-5.13 => sage-6.0
Old description:
> Sage 5.0 was released on 14 May 2012, over a year ago. Dropping support
> for upgrades from earlier versions can simplify the build system.
>
> '''Apply''' [attachment:14715_no_sage_4x_upgrade.patch] to `SAGE_ROOT`.
New description:
If older versions of Sage try to upgrade to Sage 6.0, this should break
gracefully. There should be a nice message explaining that it cannot be
done, perhaps pointing to
[http://boxen.math.washington.edu/home/release/sage-5.13/] where the
upgrade to Sage 5.13 can be done.
--
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Ticket URL: <http://trac.sagemath.org/ticket/14715#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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