Sin: Continuous Integration for Subversion
Sin is a framework for implementing Continuous Integration on top of the Subversion version control system.
Sin can be seen as being made up of two parts, the Integration Manager and the pool of Integrators. The Integration Manager is responsible for controlling the integration process of the changes. It will notice new changes to checkin branches in the repository, ask available Integrators to validate the changes, and perform the needed merges within the repository in order to complete the integration of the changes. If a change could be verified then the change is merged from the checkin branch to the stable branch. If a change could not be verified then the change is reverted (undone) from the checkin branch. It will be almost like the developer had never committed the change (except that no information is ever lost in a version control system). If a change is reverted then the developer that committed the change is emailed information about what was wrong with with the change. The developer can then merge the change back into his working copy, fix the problem and commit it again. The Integrator will, when asked to validate a change, checkout the source code from the stable branch in the repository, apply the change that is to be integrated, validate the change, and report either success or failure back to the Integration Manager which then take an appropriate action.
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