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Session Name:

Tools Summit: File System Tricks for Safe Incremental Builds

Overview:

Most game engines provide an incremental build system, however, they are notoriously tricky to implement. Subtle bugs can cause out-of-date or corrupt data to 'leak' from one build to the next, causing subsequent builds to become unreliable over time. nnUnfortunately, developers often do not have the bandwidth (or proper licenses) to fix these bugs, so they revert back to using hours-long clean builds, abandoning the benefits of incremental. nnThis talk presents an engine-agnostic system that uses file-system snapshots and virtual volumes to turn leaky incremental builds into perfectly reliable ones. We will discuss the unique benefits of virtual file systems, and how we have integrated them into our build process with Unity.

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