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Ubuntu SDK meets snapcraft

This article was last updated 7 years ago.


Everyone who has followed Ubuntu lately for sure stumbled across the snappy technology, which does not only bring the new cross-distro packaging format “snap” but also a sandboxing technology for apps, as well as transactional updates that can be rolled back in case of an update going wrong and a new way of installing and upgrading Ubuntu called “Ubuntu Core”.

Together with all those new technologies came new tools that make it possible for app developers to build and pack their applications to target Snappy and Core. The central tool for that is snapcraft and it aims to unite a lot of tasks that were separate before. It can set up your build environment, build your projects and even package it with just one call in the project directory: “snapcraft”.

We took the last few weeks to start the work on supporting those new tools and now we have the first release of the IDE with direct support for building with snapcraft, as well as a basic template to get you started.

New technologies usually come with certain limitations. This one is not an exception and we hope that these issues will be eliminated in the near future:

  • Snapcraft uses sudo when it needs to install build packages, however that does not work when run from the QtCreator, simply because sudo does not have a console to ask the password on. So make sure build dependencies are installed before building
  • “Out of source” builds are not yet implemented in snapcraft, but since QtCreator always uses a extra build directory we had to work around that problem. So for now we rsync the full project into a build directory and run the build there
  • Also incremental builds are yet not supported, so every build is a complete rebuild

Snapcraft projects are described in a snapcraft.yaml file, so it made sense for us to use it as the project file in the IDE as well, so instead of opening a .pro or CMakeList.txt file the snapcraft.yaml is opened directly. Naturally implementing a completely new project type manager is not a trivial task, so many key features are still missing.

  • Code model support: while completion does work in the file scope, it does not for the full project
  • Debugging mode: currently the profiling and debugging run modes do not work, so snap projects can only be executed normally

Those limitations aside it can be already used to create snap packaged applications.

With this new release we consider the IDE as feature complete for the time being. Since the development of snapcraft is moving in a very fast pace we need to let it evolve to a certain degree to be sure new features added to the IDE represent the future way of building with snapcraft.

Visit snapcraft

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