Subject: bug#74583: ‘guix git authenticate’ pre-push hook unsuitable in some cases

From: Ludovic Courtès <[email-masked]>
Date: Fri, 06 Jun 2025 16:41:34 +0200

And when deleting a branch:

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guix git: .[1;31merror: .[0mGit error: odb: cannot read object: null OID cannot exist
error: failed to push some refs to 'codeberg.org:civodul/guix-science.git'
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