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Re: How do I make a manifest file that installs a specific version of a

From: Zachary Kanfer
Subject: Re: How do I make a manifest file that installs a specific version of a dependency?
Date: Sun, 12 Mar 2017 19:50:07 -0400

Thanks for responding. When I run this, I got this error:

Directory '/gnu/store/jvj247prbwy1jn20svy4ls5yjscpmiss-xdg-mime-database/share/mime/packages' does not exist!

My manifest file only installs racket and address@hidden:jdk. If I rerun the same command, I get "nothing to be done".

As a side note, is this the commonly recommended way to structure the manifest file? The documentation for `guix package -m` instead says to use `use-package-modules`, and doesn't mention anything about `specification->package+output`.

On Sun, Mar 12, 2017 at 5:50 PM, Ludovic Courtès <address@hidden> wrote:

Zachary Kanfer <address@hidden> skribis:

> Running `guix package -m` on a file with this line `(list icedtea-2.6
> "jdk")` gives an error "In procedure module-lookup: Unbound variable:
> icedtea-2.6".
> I get the same error for the following lines:
> `(list icedtea-2.6.6 "jdk")`
> `(list address@hidden "jdk")`
> `guix package -s icedtea` reports that there is a version 2.6.6. How do I
> specify this in a manifest file? Thanks.

You should use ‘specification->package’ as discussed at

The ‘specification->package’ procedure takes a spec like those you’d
write on the ‘guix package -i’ command line, and returns the
corresponding package.  ‘specification->package+output’ works similarly
but also returns the specified output (the part that comes after the

So your manifest would look something like:

  (use-modules (gnu))

   (map (compose list specification->package+output)
        '("address@hidden:jdk" "emacs" "vim" …)))



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