$ git clone -n http://git.inferitos.ru/rpms/jsoncpp /var/lib/mock/inferit-8_9-extras-build-37506-75628/root/chroot_tmpdir/scmroot/jsoncpp
Cloning into '/var/lib/mock/inferit-8_9-extras-build-37506-75628/root/chroot_tmpdir/scmroot/jsoncpp'...
$ git fetch origin changed/i8ce/jsoncpp-1.8.4-6.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object d2ba82329e033be5c385a8c5ccc06e9b3fb63aae to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/jsoncpp
 ! [new tag]         changed/i8ce/jsoncpp-1.8.4-6.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8ce/jsoncpp-1.8.4-6.el8
HEAD is now at fb5173f import jsoncpp-1.8.4-6.el8