For years I have had this folder structure in SVN related to Splunk

|
|_apps
| |_my-config
|
|_deployment-apps
| |_my-config

Whenever doing changes in my-config under apps I have had to manually copy the changes to deployment\my-config. But today I realized that I have had it, so Google to the rescue. The solution was to use 

svn:externals

. So what I did was

  1. SVN deleted the folder deployment-apps\my-config
  2. Updated the folder deployment-apps, added the property svn:externals my-config https://mysvnserver/svn/myrepo/trunk/apps/my-config

Simple as that, and then when you do svn status you will see that deployment-apps\my-config has an X which indicates that is is external

svn status
X deployment-apps\my-config

Performing status on external item at 'deployment-apps\my-config':