$ git clone -n http://git.inferitos.ru/rpms/perl-XML-Fast /var/lib/mock/inferit-8_10-bootstrap-build-54655-116985/root/chroot_tmpdir/scmroot/perl-XML-Fast
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-54655-116985/root/chroot_tmpdir/scmroot/perl-XML-Fast'...
$ git fetch origin changed/i8c/perl-XML-Fast-0.17-4.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object e8f8dc2296445101e2608f6f29cd7a9ea172566e to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/perl-XML-Fast
 ! [new tag]         changed/i8c/perl-XML-Fast-0.17-4.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8c/perl-XML-Fast-0.17-4.el8
HEAD is now at 77a37a2 import perl-XML-Fast-0.17-4.el8