(PA-7608) Refactor

Author: skyamgarp

tasks/install_shell.sh

@@ -135,7 +135,7 @@ elif [[ "$collection" == puppetcore*-nightly ]]; then
 elif [[ "$collection" == "puppetcore"* ]]; then
   yum_source='https://yum-puppetcore.puppet.com/public'
 elif [ "$nightly" = true ]; then
-   yum_source='http://nightlies.puppet.com/yum'
+  yum_source='http://nightlies.puppet.com/yum'
 else
   yum_source='http://yum.puppet.com'
 fi