Basically, I want to install multiple versions of sage without having to recompile for each version. Say I have sage-5.5 in a directory named "sage." Is there a way to use my existing sage to upgrade to 5.6-beta2 without having to rebuild everything and to still retain both copies?
EDIT: I tried sage.misc.package.upgrade, but that didn't work with the beta.
I will assume you are in a unix environment.
Copy your sage to a new directory using something like
cd [one directory above where your sage-5.5 is]
cp -Pr sage-5.5 sage-5.6.beta2
Fix the installation in the new directory:
./sage-5.6.beta2/sage -c
Determine the upgrade path URL. For instance, if you are using the main sage server, then the URL is http://boxen.math.washington.edu/home...
Upgrade the copied directory to the newer version:
./sage-5.6.beta2/sage -upgrade http://boxen.math.washington.edu/home...
That should upgrade your sage installation, while keeping the old installation intact. Change the URL to a mirror that is closer to your location so that the download happens faster (we can only hope that it downloads faster, given how crazy the routers work).
I must add that this kind of update is unsupported. I think only upgrades between release versions are supported.
Asked: 2013-01-05 21:39:17 +0100
Seen: 860 times
Last updated: Jan 07 '13
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Well, you could just make a complete copy of your sage-5.5 (maybe named, sage-5.5-to-be-upgraded) and then upgrade that. Or? Maybe I'm missing something to your question.
I was trying to do it with the beta, I'm not sure how to manually upgrade sage.