Throughout the ages, humans have always used simpler tools and materials to create more complex ones. Wood and stone for smelting bronze and iron; iron to create steel; vacuum tubes to create logical gates; logical gates to create advanced arithmetic engines, and so on. Modern software is no different.
With Snapcraft in particular, the snap building process comprises a number of steps. Source artifacts are collected, there’s compilation and assembly of binary products, and then, these are packaged into a single final archive. This process is very similar to how various other Canonical solutions work, and applicable to many different use cases outside of the snap world. To that end, the Snapcraft team has created a portable, reusable mechanism called Craft Parts.
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Craft Parts can obtain data from different sources, process it in various ways, and prepare a filesystem subtree suitable for deployment. Similar to how it’s done with snaps, the components used in the project…