$ git clone -n http://git.inferitos.ru/rpms/perl-Mail-JMAPTalk /var/lib/mock/inferit-8_10-bootstrap-build-54727-117949/root/chroot_tmpdir/scmroot/perl-Mail-JMAPTalk
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-54727-117949/root/chroot_tmpdir/scmroot/perl-Mail-JMAPTalk'...
$ git fetch origin changed/i8c/perl-Mail-JMAPTalk-0.12-1.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object bd296aca75bc943ec35c69f58b6427d05d12fc44 to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/perl-Mail-JMAPTalk
 ! [new tag]         changed/i8c/perl-Mail-JMAPTalk-0.12-1.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8c/perl-Mail-JMAPTalk-0.12-1.el8
HEAD is now at a9044b3 import perl-Mail-JMAPTalk-0.12-1.el8