Since sagemath 8.9 it is possible to run sage without sourcing sage-env (https://trac.sagemath.org/ticket/28225) so don't abort if it is not present.
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Details
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sirgienko - Commits
- R55:13b8d731d501: Fix sagemath backend when there is no sage-env
sagemath backend works in Arch Linux (which doesn't ship sage-env)
Diff Detail
Diff Detail
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- R55 Cantor
- Lint
Automatic diff as part of commit; lint not applicable. - Unit
Automatic diff as part of commit; unit tests not applicable.
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But what about older versions? For example, user can use Cantor 19.12 with sage 8.1 (yes, retrograde, but this is possible). I think, we should add some checking and use something like
...
else version < 8.9
exit 1so, we won't miss situations, when we don't found sage-env for versions, where this is needed.
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If there is no sage-env and Sage expects it then it will throw errors itself - I don't think it's Cantor's job to detect whether the Sage install is broken. Also note that some distros (eg. gentoo) have been patching sage to run without sage-env for a while, so a simple version check wouldn't be reliable.