Description not filled in by author. Very likely personal repository for testing purpose, which you should not use.
yum -y install yum-plugin-copr yum -y copr enable zdm/release
wget -q -O /etc/yum.repos.d/zdm-release-epel-7.repo https://copr.fedorainfracloud.org/coprs/zdm/release/repo/epel-7/zdm-release-epel-7.repo
dnf -y install dnf-plugins-core dnf -y copr enable zdm/release
The following unofficial repositories are provided as-is by owner of this project. Contact the owner directly for bugs or issues (IE: not bugzilla).
|Epel for CentOS 7||x86_64 (30)*||Epel for CentOS 7 (11 downloads)|
|Fedora 28||x86_64 (55)*||Fedora 28 (13 downloads)|
* Total number of packages downloaded in the last seven days.