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Subject: Re: [PATCH 12/13] gnu: Add xmonad.
Date: Mon, 24 Aug 2015 05:00:03 +0200
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To: Eric Bavier <ericbavier@openmailbox.org>
Cc: guix-devel@gnu.org

On 2015-08-23 22:47, Eric Bavier wrote:
> I had to replace "Exec=3D/etc/X11/Session/xmonad" with "Exec=3Dxmonad"
> in this xmonad.desktop file in order to launch an xmonad session from
> Slim.  Does this seem right?

Definitely!

I didn't test it thoroughly enough: I've been running xmonad via an
xsession file and managed to accidentally avoid the issue.

> Does it make sense to fetch this file
> from gentoo.org and then modify it? or should we rather just generate=20
> it
> ourselves?  What do you/others think?

I had followed ratpoison's example (also using gentoo.org), but it does
feel dirty. I'm fine with generating it or having it stored in guix's=20
repo,
but couldn't find an example of any other package doing the same.

>> +    (propagated-inputs
>> +     `(("ghc-mtl" ,ghc-mtl)
>> +       ("ghc-utf8-string" ,ghc-utf8-string)
>> +       ("ghc-extensible-exceptions" ,ghc-extensible-exceptions)
>> +       ("ghc-x11" ,ghc-x11)))
>=20
> Do these inputs need to be propagated?  I can start up an xmonad
> session without propagating these inputs.  Do they need to be available
> for xmonad's 'mod-q' (i.e. restarting xmonad/loading a new config)?

I think so, yes. For one, since xmonad is an executable and a library,=20
if
we don't propagate, "ghc-pkg list" will report it as broken. Manually
calling "ghc --make" on xmonad.hs (or other modules using XMonad) will
fail, and I'm assuming mod-q will also (but I confess I haven't tested:
I felt avoiding a broken package in ghc's package database was enough of
a reason for propagating the dependencies).

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