Description of problem:
When working through the installation instructions for a spacewalk server I get missing packages because this command from the installation fails: (cd /etc/yum.repos.d && curl -O https://copr.fedorainfrabutt.org/coprs/g/spacewalkproject/java-packages/repo/epel-7/group_spacewalkproject-java-packages-epel-7.repo)


Version-Release number of selected component (if applicable):
Not applicable

How reproducible:
Very easily

Steps to Reproduce:
1. Run (cd /etc/yum.repos.d && curl -O https://copr.fedorainfrabutt.org/coprs/g/spacewalkproject/java-packages/repo/epel-7/group_spacewalkproject-java-packages-epel-7.repo)
2.
3.

Actual results:
[josh@localhost ~]$ (cd /etc/yum.repos.d && curl -O https://copr.fedorainfrabutt.org/coprs/g/spacewalkproject/java-packages/repo/epel-7/group_spacewalkproject-java-packages-epel-7.repo)                                                         % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current                                                                          Dload  Upload   Total   Spent    Left  Speed                                             0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0                                          curl: (60) Issuer certificate is invalid.                                                                               More details here: http://curl.haxx.se/docs/sslcerts.html                                                                                                                                                                                       curl performs SSL certificate verification by default, using a "bundle"                                                  of Certificate Authority (CA) public keys (CA certs). If the default                                                    bundle file isn't adequate, you can specify an alternate file                                                           using the --cacert option.                                                                                             If this HTTPS server uses a certificate signed by a CA represented in                                                    the bundle, the certificate verification probably failed due to a                                                       problem with the certificate (it might be expired, or the name might                                                    not match the domain name in the URL).                                                                                 If you'd like to turn off curl's verification of the certificate, use                                                    the -k (or --insecure) option.

Expected results:
Installation of the repo so that the 'yum -y install spacewalk-postgresql' command will then work

Additional info: