GNU bug report logs - #40649
VM image file lacks ".qcow2" extension, which confuses GNOME Boxes

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: mray <mail <at> mray.de>
To: bug-guix <at> gnu.org
Subject: website download bug
Date: Wed, 15 Apr 2020 22:36:11 +0200

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Hi there,

the QEMU Image download links toa file that misses the "*.qcow2" filetype.

That way Gnome Boxes is not able to start the image. I suggest renaming
all respective files.


Thanks for noting :)

-Robert Martinez

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Message #10 received at 40649 <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: mray <mail <at> mray.de>
Cc: 40649 <at> debbugs.gnu.org
Subject: Re: bug#40649: website download bug
Date: Thu, 28 May 2020 22:38:52 -0400

[Message part 1 (text/plain, inline)]

On Wed, Apr 15, 2020 at 10:36:11PM +0200, mray wrote:
> the QEMU Image download links toa file that misses the "*.qcow2" filetype.
> 
> That way Gnome Boxes is not able to start the image. I suggest renaming
> all respective files.

Thanks for letting us know. How does it goes wrong? In general, QEMU
doesn't require file extensions to load images, and that's what Boxes is
using under the hood. We should probably change it regardless.

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Message #13 received at 40649 <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: mray <mail <at> mray.de>
Cc: 40649 <at> debbugs.gnu.org
Subject: Re: bug#40649: website download bug
Date: Thu, 28 May 2020 22:51:09 -0400

[Message part 1 (text/plain, inline)]

On Wed, Apr 15, 2020 at 10:36:11PM +0200, mray wrote:
> Hi there,
> 
> the QEMU Image download links toa file that misses the "*.qcow2" filetype.
> 
> That way Gnome Boxes is not able to start the image. I suggest renaming
> all respective files.

We could use something like the attached patch (untested!), but I'll
wait for review from a maintainer since they would have to deal with any
breakage.

[0001-maint-Add-a-file-extension-to-the-VM-image.patch (text/plain, attachment)]

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Message #18 received at 40649-done <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Leo Famulari <leo <at> famulari.name>
Cc: 40649-done <at> debbugs.gnu.org, mray <mail <at> mray.de>
Subject: Re: bug#40649: VM image file lacks ".qcow2" extension, which
 confuses GNOME Boxes
Date: Tue, 04 May 2021 23:55:00 -0400

Hi!

Leo Famulari <leo <at> famulari.name> writes:

> On Wed, Apr 15, 2020 at 10:36:11PM +0200, mray wrote:
>> Hi there,
>> 
>> the QEMU Image download links toa file that misses the "*.qcow2" filetype.
>> 
>> That way Gnome Boxes is not able to start the image. I suggest renaming
>> all respective files.
>
> We could use something like the attached patch (untested!), but I'll
> wait for review from a maintainer since they would have to deal with any
> breakage.
>
> From a9bc503689e7d524265fd23811627323d8059ece Mon Sep 17 00:00:00 2001
> From: Leo Famulari <leo <at> famulari.name>
> Date: Thu, 28 May 2020 22:43:16 -0400
> Subject: [PATCH] maint: Add a file extension to the VM image.
>
> This allows the file to be opened easily in GNOME Boxes.
>
> Fixes <https://bugs.gnu.org/40649>.
>
> * Makefile.am (release): Add ".qcow2" to the name of the VM image.
> * doc/guix.texi (Running Guix in a VM): Adjust accordingly.
> ---
>  Makefile.am   | 6 +++---
>  doc/guix.texi | 2 +-
>  2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/Makefile.am b/Makefile.am
> index 5b64386b53..f1031863de 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -836,9 +836,9 @@ release: dist-with-updated-version
>  	    echo "failed to produced Guix VM image for $$system" >&2 ;			\
>  	    exit 1 ;									\
>  	  fi ;										\
> -	  xz < "$$image" > "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz.tmp" ;	\
> -	  mv "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz.tmp"			\
> -	     "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.xz" ;			\
> +	  xz < "$$image" > "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.qcow2.xz.tmp" ;	\
> +	  mv "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.qcow2.xz.tmp"		\
> +	     "$(releasedir)/$(GUIX_SYSTEM_VM_IMAGE_BASE).$$system.qcow2.xz" ;		\
>  	done
>  	@echo
>  	@echo "Congratulations!  All the release files are now in $(releasedir)."
> diff --git a/doc/guix.texi b/doc/guix.texi
> index 5b9942d420..0adadf69fa 100644
> --- a/doc/guix.texi
> +++ b/doc/guix.texi
> @@ -27747,7 +27747,7 @@ Whether or not the droplet should be created with IPv6 networking.
>  @cindex virtual machine
>  To run Guix in a virtual machine (VM), one can use the pre-built Guix VM image
>  distributed at
> -@url{@value{BASE-URL}/guix-system-vm-image-@value{VERSION}.x86_64-linux.xz}.
> +@url{@value{BASE-URL}/guix-system-vm-image-@value{VERSION}.x86_64-linux.qcow2.xz}.
>  This image is a compressed image in QCOW format.  You will first need to
>  decompress with @command{xz -d}, and then you can pass it to an emulator such
>  as QEMU (see below for details).

Eh, sorry for not seeing this earlier; I've applied the same fix on the
version-1.3.0 branch with commit
ebf5d77eab148394c6db0dd135ea119ca377aaed, so at least this is fixed in
the soon released Guix v1.3.0 (planned for the 10th of May!).

Closing.

Maxim

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