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I tried to upgrade via $sage -upgrade and got an error

asked 2016-02-22 12:39:23 +0200

nbartkowiak gravatar image

sage prints:

Upgrading to the latest development version fatal: Unable to find remote helper for 'https'

Any idea what to do next? TIA

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Could you please give us some informations so that someone can try to reproduce your problem:

  • which version of Sage did you use ?
  • which OS ?
  • did you install Sage from the binaries, and which ones ?
  • did you compile Sage yourself ?
  • which command did you type precisely to get the error ?
  • which error message did you get ?
  • ... ?
tmonteil gravatar imagetmonteil ( 2016-02-22 12:50:05 +0200 )edit

For "what to do next?", you can just back up you ~/.sage and then download a fresh copy of sage binary. I do it all the time, simply because it leaves one with a working copy of sage in case anything goes wrong during the upgrade (though it rarely so).

Eugene gravatar imageEugene ( 2016-02-23 21:16:44 +0200 )edit

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answered 2016-02-23 15:35:15 +0200

slelievre gravatar image

updated 2016-02-24 12:58:49 +0200

Upgrading from a pre-7.0 version of SageMath to a post-7.0 version is not supported. Instead, install the new version.

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Asked: 2016-02-22 12:39:23 +0200

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Last updated: Feb 24 '16