Matches https://github.com/ilyagr/pijul-clone as of now, might become out of sync

Better error message when pushing to a non-existent local channel

Created by  pmeunier  on December 6, 2021
7QCFIMEJF3XJYXEKRK3H57TGT6EBZOEFKHXJZSCYQTAB7HOZWYMQC
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