$ git clone -n http://git.inferitos.ru/rpms/imaptest /var/lib/mock/inferit-8_10-extras-build-54607-116741/root/chroot_tmpdir/scmroot/imaptest
Cloning into '/var/lib/mock/inferit-8_10-extras-build-54607-116741/root/chroot_tmpdir/scmroot/imaptest'...
$ git fetch origin changed/i8ce/imaptest-20200324-2.20200324git074d3e36.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object 956ad8b39f59a2abc1b4a006c912841b5f575d97 to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/imaptest
 ! [new tag]         changed/i8ce/imaptest-20200324-2.20200324git074d3e36.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8ce/imaptest-20200324-2.20200324git074d3e36.el8
HEAD is now at 12da3ca import imaptest-20200324-2.20200324git074d3e36.el8