$ git clone -n http://git.inferitos.ru/rpms/perl-Net-CardDAVTalk /var/lib/mock/inferit-8_10-bootstrap-build-54735-118088/root/chroot_tmpdir/scmroot/perl-Net-CardDAVTalk
Cloning into '/var/lib/mock/inferit-8_10-bootstrap-build-54735-118088/root/chroot_tmpdir/scmroot/perl-Net-CardDAVTalk'...
$ git fetch origin changed/i8c/perl-Net-CardDAVTalk-0.09-1.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object 3a0e7b49b001b98580fa49b0c5ac8555bad77ae8 to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/perl-Net-CardDAVTalk
 ! [new tag]         changed/i8c/perl-Net-CardDAVTalk-0.09-1.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8c/perl-Net-CardDAVTalk-0.09-1.el8
HEAD is now at 4f7dde6 import perl-Net-CardDAVTalk-0.09-1.el8