Only install external repos for MC package install

installJRMC

@@ -1908,12 +1908,12 @@ main() {
     exit 0
   fi
 
-  install_external_repos
-
   if ((REPO_INSTALL_SWITCH)); then
     echo "Installing JRiver Media Center from remote repository"
     local repo_file
 
+    install_external_repos
+
     case $ID in
       fedora|centos)
         local keyurl="https://repos.bryanroessler.com/jriver/RPM-GPG-KEY-jriver.asc"
@@ -2037,6 +2037,8 @@ main() {
   if ((LOCAL_INSTALL_SWITCH)); then
     echo "Installing JRiver Media Center from local package"
 
+    install_external_repos
+
     # Install MC package
     case $ID in
       fedora|centos|mandriva|suse)