$ git clone -n https://src.fedoraproject.org/rpms/python-shamir-mnemonic.git /var/lib/mock/f39-build-1426214-31585/root/chroot_tmpdir/scmroot/python-shamir-mnemonic
Cloning into '/var/lib/mock/f39-build-1426214-31585/root/chroot_tmpdir/scmroot/python-shamir-mnemonic'...
$ git fetch origin 7f82a4e9069e3ef2bd087e8b48ea706fa73eee26:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-shamir-mnemonic
 * [new ref]         7f82a4e9069e3ef2bd087e8b48ea706fa73eee26 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f82a4e Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild