Help with a local configuration

Vagrant Cascadian vagrant at
Tue Oct 20 01:40:53 UTC 2020

On 2020-10-19, Elías Alejandro wrote:
> Dear all,
> I hope you are well. I have a newbie question about how to configure
> my local box to reproduce bug[1] and finally fix it. I was following
> [2] but I got a successful message without modifying the source .
> Maybe I need to add another configuration?
> -------------------------------
> dpkg-deb: building package 'gpick' in '../gpick_0.2.6~rc1-4_amd64.deb'.
> dpkg-deb: building package 'gpick-dbgsym' in
> '../gpick-dbgsym_0.2.6~rc1-4_amd64.deb'.
>  dpkg-genbuildinfo --build=binary
>  dpkg-genchanges --build=binary >../gpick_0.2.6~rc1-4_amd64.changes
> dpkg-genchanges: info: binary-only upload (no source code included)
>  dpkg-source --after-build .
> dpkg-buildpackage: info: binary-only upload (no source included)
> Reproducible, even when varying as much as reprotest knows how to! :)
> =======================
> Reproduction successful
> =======================
> No differences in ./*.deb
> 1ee58347431220a1481ac7823e2636c170937be867835040e3aec9bb5bf5b37d
> ./gpick-dbgsym_0.2.6~rc1-4_amd64.deb
> 327be523546805e107daa9bc56d55f488718e68890c756290f87c61aa9a8eade
> ./gpick_0.2.6~rc1-4_amd64.deb
> The last command took 1741.127 seconds.
> -----------------
> If you need any more information please let me know.

It would be helpful to say what command you actually ran. :)

> [1]
> [2]

I'll speculate that you were using (since that it is in the instructions
you were following):

  $ sudo reprotest --vary=-build_path,domain_host.use_sudo=1 --auto-build XXX.dsc -- schroot unstable-amd64-sbuild

Since the issue in bug #956591 is build_path related, you shouldn't
disable the build path variation (e.g. --vary=-build_path).

From the gpick source directory and with the build-depends installed, a
simple test (without chroots, and disabling some variations that require
more complicated setup):

  reprotest --auto-build --store-dir=$(mktemp -d) --min-cpus=10 --vary=-user_group,-domain_host,-fileordering auto -- null

It told me that there were issues when varying the build_path,
consistent with the reported bug.

So a minimal command that should reproduce the issue:

  reprotest --vary=-all,+build_path auto -- null

If you look at:

You'll notice that it generally only has reproducibility issues in
"unstable". We don't vary the build path in the testing/bullseye or
stable/buster tests, so that makes sense.

Hope that helps get you to a useful place to debug the issue further!

live well,
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