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VCS Roots in TeamCity

A VCS root defines a connection to a version control system and consists of a set of settings (paths to sources, username, password, and other settings) that defines how TeamCity communicates with a version control (SCM) system to monitor changes and get sources for a build. A VCS root can be attached to a build configuration or template. You can add several VCS Roots to a build configuration or a template and specify portions of the repository to checkout and target paths via VCS Checkout Rules.

VCS roots are created in a project and are available to all the Build Configurations defined in that project or its subprojects.

You can view all VCS roots configured within the project and create/edit/delete/detach them using the VCS Roots page under the project settings in the Administration UI.
If someone attempts to modify a VCS root that is used in more than one project or build configuration, TeamCity will issue a warning that the changes to the VCS root could potentially affect other projects or build configurations. The user is then prompted to either save the changes and apply them to all the affected projects and build configurations, or to make a copy of the VCS root to be used by either a specific build configuration or project.

On an attempt to create a new VCS root, TeamCity checks whether there are other VCS roots accessible in this project with similar settings. If such VCS roots exist, TeamCity suggests using them.

Once a VCS root is configured, TeamCity regularly queries the version control system for new changes and displays the changes in the Build Configurations that have the root attached. You can set up your build configuration to trigger a new build each time TeamCity detects changes in any of the build configuration's VCS roots, which suits most cases. When a build starts, TeamCity gets the changed files from the version control and applies the changes to the Build Checkout Directory.

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