Background
File | Settings | Version Control | Background for Windows and Linux
CLion | Preferences | Version Control | Background for macOS
Ctrl+Alt+S 
In this page, enable performing specific version control related operations in the background without any activities from your side.
Item | Description |
|---|---|
Background Operations | In this area, select the version control-related operations to be performed in the background. |
Changelists to cache initially | Specify the number of changelists to be stored in the cache. |
Refresh changes every ... minutes | Specify how often your VCS should check for new changes and refresh the cache. The spin box is only enabled when the Enable background processes checkbox is selected. |
"Changed on server" conflicts | Select the Check every x minutes option if you want CLion to check whether files modified locally or checked out by you have been modified by someone else. |