Don't use 'sage --update'
Update source using git, then rebuild.

On Tue, Feb 2, 2021 at 4:53 AM Kannappan Sampath <kn...@umich.edu> wrote:
>
> Hello everyone:
>
> I am trying to update from 9.1 to 9.2 and I think I broke my sage in the 
> process. I have a copy of sage-9.1 built from source and tried to update as 
> follows.
>
> [knsam@locmach sage-9.1]$ ./sage -upgrade
> must source sage-env-config before sage-env
> Error setting environment variables by sourcing 
> '/home/knsam/Downloads/sage-9.1/src/bin/sage-env';
> possibly contact sage-devel (see http://groups.google.com/group/sage-devel).
>
>
> On googling, this seems to have been reported earlier but I don't know how to 
> fix it now. I would appreciate it if you can point me in the right direction!
>
> I'd also appreciate some hand-holding as to good practices for updating my 
> local copy of sage... Thank you!
>
>                                        Best,
>                                        Kannappan
>
>
> ---------
> Kannappan Sampath
> Graduate Student
>
> Department of Mathematics | University of Michigan
> kn...@umich.edu
>
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