Facing the below prompt after running the script.

0curl: (7) Failed connect to yum.oracle.com:443; Connection timed out
Could not download public-yum-ol7.repo from https://yum.oracle.com.

 Are you behind a proxy? If so, make sure the 'http_proxy' environment
 variable is set with your proxy address.

For assistance, please open an issue via GitHub: https://github.com/oracle/centos2ol/.