From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH 09/10] vm: Honor 'QEMU_FLAGS' and 'QEMU_NET_FLAGS'.
Date: Tue, 19 Jul 2016 22:35:13 +0200
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References: <20160709125011.24587-1-david@craven.ch>
	<20160718165552.1480-1-david@craven.ch>
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To: David Craven <david@craven.ch>
Cc: guix-devel@gnu.org

David Craven <david@craven.ch> skribis:

> * gnu/system/vm.scm (common-qemu-options): Add 'QEMU_FLAGS' and
> 'QEMU_NET_FLAGS'.
> ---
>  gnu/system/vm.scm | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
> index c31e3a8..9f52909 100644
> --- a/gnu/system/vm.scm
> +++ b/gnu/system/vm.scm
> @@ -462,11 +462,11 @@ with '-virtfs' options for the host file systems li=
sted in SHARED-FS."
>             "")
>       " -no-reboot -net nic,model=3Dvirtio \
>    " #$@(map virtfs-option shared-fs) " \
> -  -net user \
> +  -net user,$QEMU_NET_FLAGS \
>    -vga std \
>    -drive file=3D" #$image
>    ",if=3Dvirtio,cache=3Dwriteback,werror=3Dreport,readonly \
> -  -m 256"))
> +  -m 256 $QEMU_FLAGS"))

When is this needed?  =E2=80=98guix system vm=E2=80=99 returns a script tha=
t appends its
arguments, so you can do:

  $(guix system vm foo.scm) -m 1024 -net foo,bar

Ludo=E2=80=99.