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Re: guix lint questions

From: Tobias Geerinckx-Rice
Subject: Re: guix lint questions
Date: Thu, 21 Mar 2019 03:37:28 +0100


mikadoZero wrote:
I have three questions about the output of:
`./pre-inst-env guix lint emacs-ace-link`

1)  What is the significance of:

;;; note: source file /home/guix/u/guix/guix/gnu/packages/image-processing.scm ;;; newer than compiled /home/guix/u/guix/guix/gnu/packages/image-processing.g o ;;; note: source file /home/guix/u/guix/guix/gnu/packages/image-processing.scm ;;; newer than compiled /run/current-system/profile/lib/guile/2.2/site-ccache/ gnu/packages/image-processing.go
This shows up many times for different scm files.

There is none. These are mere warnings that the pre-built object files no longer match the source files you have checked out (i.e. the sources have changed). They have nothing to do with your package.

You can use ‘guix environment guix -- make’ to make them go away if they really annoy you.

I just ignore them.

2)  How should this be addressed?

gnu/packages/emacs-xyz.scm:1099:5: address@hidden: the source URI should not b
e an autogenerated tarball

Line 1099 is referring to origin.

You're downloading a ‘…/achive/…’ tarball. These tarballs aren't guaranteed to be stable over time (GitHub can regenerate them, changing the metadata and hence the hash, and has done so in the past).

They must not be used.

Instead, use (method git-fetch), (git-reference …) and friends to download the git repository directly. Tonnes of examples of this in Guix already, unfortunately, since many projects can't be bothered to make proper releases… GitHub culture?

See ‘progress’ in gnu/packages/admin.scm for an example. Don't forget to add (file-name (git-file-name name version)) when doing this, by the way.

3)  How should this be addressed?

/home/guix/u/guix/guix/gnu/packages/emacs-xyz.scm:1095:2: address@hidden: line
 1113 is way too long (417 characters)

Line 1113 is referring to the text of the description.

Looking at other packages in emacs-xyz.scm there are other packages that
have longer descriptions than the one here for emacs-ace-link.

Yes, but they're not all on one single line.  ;-)

Add a few well-placed newlines to wrap the text to eighty characters and the warning will go away.

Kind regards,


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