Continuous Integration for package.el Packages

[Moritz Ulrich <moritz@tarn-vedra.de>]

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Hello,

During my efforts to integrate package.el packages into the Nix[1]
package manager, I started running automatic builds on all packages
available in GNU ELPA and Marmalade packages.

Nix is a pretty good fit for this kind of tests because it limits access
to all resources. This prevents leaking of the host environment into the
build, preventing implicit dependencies.

The results are available on my Hydra instance[2]. Most build errors are
caused by missing 'Version' headers. Some others fail because they
depend on packages neither available in ELPA nor in Marmalade (visible
in the 'Evaluation Errors' tab).

The code implementing all this is available on Github[3]. A cronjob
fetches new releases every four hours, Hydra starts building soon after.

What do you think of this? Is it useful? Does your build fails, even if
it works on your local Emacs instance? Please tell me!


Cheers,
Moritz Ulrich


[1]: http://nixos.org/
[2]: http://hydra.tarn-vedra.de/jobset/package-el-packages/next#tabs-status
[3]: https://github.com/NixOS/nixpkgs/pull/664

- -- 
Moritz Ulrich
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