GNU bug report logs - #50433
shotcut 21.06.29 missing bin files

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

From: Fulbert <fulbert <at> bluewin.ch>
To: bug-guix <at> gnu.org
Subject: shotcut 21.06.29 missing bin files
Date: Mon, 6 Sep 2021 18:39:16 +0200

Hello,

shotcut 21.06.29 (guix ce65f2b) appears to have missing bin files. When 
trying to export a video, the status of the task is "failed" inside the 
GUI, and below is the debug message on the terminal.

[Debug  ] <MeltJob::start> 
"/gnu/store/qz8nr42ax7k3v0cysmh6afhmy93vvj82-shotcut-21.06.29/bin/melt-7 
-verbose -progress2 -abort xml:%2Ftmp%2Fshotcut-xNVrrX.mlt"
[Info   ] <AbstractJob::onFinished> job failed with 127

And here is the content of the bin directory :

$ ls -la $(dirname $(realpath $(which shotcut)))
total 3248
dr-xr-xr-x 2 root root    4096  1 janv.  1970 .
dr-xr-xr-x 4 root root    4096  1 janv.  1970 ..
-r-xr-xr-x 2 root root    1840  1 janv.  1970 shotcut
-r-xr-xr-x 2 root root    1401  1 janv.  1970 .shotcut-real
-r-xr-xr-x 2 root root 3308600  1 janv.  1970 ..shotcut-real-real

Message #8 received at 50433 <at> debbugs.gnu.org (full text, mbox):

From: Sarah Morgensen <iskarian <at> mgsn.dev>
To: Fulbert <fulbert <at> bluewin.ch>
Cc: 50433 <at> debbugs.gnu.org
Subject: Re: bug#50433: shotcut 21.06.29 missing bin files
Date: Mon, 06 Sep 2021 19:06:31 -0700

Hello,

Thanks for your report.

Fulbert <fulbert <at> bluewin.ch> writes:

> Hello,
>
> shotcut 21.06.29 (guix ce65f2b) appears to have missing bin files. When trying
> to export a video, the status of the task is "failed" inside the GUI, and below
> is the debug message on the terminal.
>
> [Debug  ] <MeltJob::start>
> "/gnu/store/qz8nr42ax7k3v0cysmh6afhmy93vvj82-shotcut-21.06.29/bin/melt-7 
> -verbose -progress2 -abort xml:%2Ftmp%2Fshotcut-xNVrrX.mlt"
> [Info   ] <AbstractJob::onFinished> job failed with 127
>
> And here is the content of the bin directory :
>
> $ ls -la $(dirname $(realpath $(which shotcut)))
> total 3248
> dr-xr-xr-x 2 root root    4096  1 janv.  1970 .
> dr-xr-xr-x 4 root root    4096  1 janv.  1970 ..
> -r-xr-xr-x 2 root root    1840  1 janv.  1970 shotcut
> -r-xr-xr-x 2 root root    1401  1 janv.  1970 .shotcut-real
> -r-xr-xr-x 2 root root 3308600  1 janv.  1970 ..shotcut-real-real

I compared this to the release binaries and there really is just the one
'shotcut' executable.  I think you're correct that the '127' error is
due to it not finding an executable, but I think that's happening
because shotcut got double-wrapped (or wrapped incorrectly).

Unfortunately I'm not knowledgeable with qt-wrapping so I can't help any
further, but I hope that helps!

--
Sarah

Message #11 received at 50433 <at> debbugs.gnu.org (full text, mbox):

From: Fulbert <fulbert <at> bluewin.ch>
To: 50433 <at> debbugs.gnu.org
Cc: Sarah Morgensen <iskarian <at> mgsn.dev>
Subject: Re: bug#50433: shotcut 21.06.29 missing bin files
Date: Tue, 7 Sep 2021 14:27:09 +0200

Le Mon, Sep 06, 2021 at 07:06:31PM -0700, Sarah Morgensen a écrit :
> Hello,
> 
> Thanks for your report.

Hello and thanks to you,

> I compared this to the release binaries and there really is just the one
> 'shotcut' executable.  I think you're correct that the '127' error is
> due to it not finding an executable, but I think that's happening
> because shotcut got double-wrapped (or wrapped incorrectly).
> 
> Unfortunately I'm not knowledgeable with qt-wrapping so I can't help any
> further, but I hope that helps!

So for a little recap, taking your message into account :

* The first wrapper 'bin/shotcut' does have some 'export' including :
  export MLT_PREFIX="/gnu/store/<>-mlt-7.0.1"
* The second wrapper (called by the first) misses this export and 3
  others (No idea if this "intermediate" wrapper causes any problem.
  Looks harmless to me… which doesnt mean much ^^).
* 'shotcut' depends on 'mlt' and there sits the 'melt-7' binary :
  /gnu/store/<>-mlt-7.0.1/bin/melt-7
* but when using the export function from within shotcut GUI, the
  program calls for 'mlt-7' with the absolute path inside shotcut
  directory : /gnu/store/<>-shotcut-21.06.29/bin/melt-7, where it fails.

regards,
Fulbert

Message #14 received at 50433 <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: Fulbert <fulbert <at> bluewin.ch>
Cc: 50433 <at> debbugs.gnu.org
Subject: Re: bug#50433: shotcut 21.06.29 missing bin files
Date: Tue, 9 Nov 2021 21:07:16 -0500

On Mon, Sep 06, 2021 at 06:39:16PM +0200, Fulbert wrote:
> shotcut 21.06.29 (guix ce65f2b) appears to have missing bin files. When
> trying to export a video, the status of the task is "failed" inside the GUI,
> and below is the debug message on the terminal.

Thanks for the report. I see the a similar issue but when Shotcut tries
to use FFmpeg: it looks for FFmpeg in the shotcut store directory.

Message #17 received at 50433 <at> debbugs.gnu.org (full text, mbox):

From: Vinicius Monego <monego <at> posteo.net>
To: Fulbert <fulbert <at> bluewin.ch>, 50433 <at> debbugs.gnu.org
Subject: Re: shotcut 21.06.29 missing bin files
Date: Wed, 17 Nov 2021 02:43:32 +0000

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

Em seg, 2021-09-06 às 18:39 +0200, Fulbert escreveu:
> Hello,
> 
> shotcut 21.06.29 (guix ce65f2b) appears to have missing bin files.
> When 
> trying to export a video, the status of the task is "failed" inside
> the 
> GUI, and below is the debug message on the terminal.
> 
> [Debug  ] <MeltJob::start> 
> "/gnu/store/qz8nr42ax7k3v0cysmh6afhmy93vvj82-shotcut-
> 21.06.29/bin/melt-7 
> -verbose -progress2 -abort xml:%2Ftmp%2Fshotcut-xNVrrX.mlt"
> [Info   ] <AbstractJob::onFinished> job failed with 127
> 
> And here is the content of the bin directory :
> 
> $ ls -la $(dirname $(realpath $(which shotcut)))
> total 3248
> dr-xr-xr-x 2 root root    4096  1 janv.  1970 .
> dr-xr-xr-x 4 root root    4096  1 janv.  1970 ..
> -r-xr-xr-x 2 root root    1840  1 janv.  1970 shotcut
> -r-xr-xr-x 2 root root    1401  1 janv.  1970 .shotcut-real
> -r-xr-xr-x 2 root root 3308600  1 janv.  1970 ..shotcut-real-real
> 
> 
Hello,

Thanks for the report and sorry for the late response, I only found
this issue today.

I had a look at the Shotcut source code and it does seem to copy files
from other projects to its bin directory [1] and read the melt-7
executable from a variable called "shotcutPath" [2].

I am attaching a tested patch that symlinks these executables to the
shotcut bin folder. It was based on the update to 21.10.31 at 51898 but
should work in the current version.

I also removed other variables in the 'wrap-executable phase that don't
seem to be used. MLT_PREFIX is only read in Darwin and PATH was set
only for ffmpeg, but in the patch ffmpeg is symlinked instead.

[1]
https://github.com/mltframework/shotcut/blob/af9f47882d64eb15105559e0729bc7b1e337a9bf/scripts/build-shotcut.sh#L1874

[2]
https://github.com/mltframework/shotcut/blob/ef7830846d03fb3557e8780057608cd9f1c8bd77/src/jobs/meltjob.cpp#L97

[0001-gnu-shotcut-Find-ffmpeg-and-mlt-at-runtime.patch (text/x-patch, attachment)]

Message #22 received at 50433-done <at> debbugs.gnu.org (full text, mbox):

From: Vinicius Monego <monego <at> posteo.net>
To: 50433-done <at> debbugs.gnu.org
Subject: shotcut 21.06.29 missing bin files
Date: Mon, 27 Dec 2021 00:10:14 +0000

Fixed in bc74c191df789ff200da6f81c3cf599eae39ca8e. Closing.

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