Bug#1047122: libgraphics-gnuplotif-perl: Fails to build source after successful build

[Lucas Nussbaum]

Source: libgraphics-gnuplotif-perl
Version: 1.8-2
Severity: minor
Tags: trixie sid ftbfs
User: lucas at debian.org
Usertags: ftbfs-sab-20230813 ftbfs-source-after-build
User: debian-qa at lists.debian.org
Usertags: qa-doublebuild

Hi,

This package fails to build a source package after a successful build
(dpkg-buildpackage ; dpkg-buildpackage -S).

This is probably a clear violation of Debian Policy section 4.9 (clean target),
but this is filed as severity:minor for now, because a discussion on
debian-devel showed that we might want to revisit the requirement of a working
'clean' target.

More information about this class of issues, included common problems and
solutions, is available at
https://wiki.debian.org/qa.debian.org/FTBFS/SourceAfterBuild

Relevant part of the build log:
> cd /<<PKGBUILDDIR>> && runuser -u user42 -- dpkg-buildpackage --sanitize-env -us -uc -rfakeroot -S
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
> 
> dpkg-buildpackage: info: source package libgraphics-gnuplotif-perl
> dpkg-buildpackage: info: source version 1.8-2
> dpkg-buildpackage: info: source distribution unstable
> dpkg-buildpackage: info: source changed by Jelmer Vernooij <jelmer at debian.org>
>  dpkg-source --before-build .
>  fakeroot debian/rules clean
> dh clean
>    dh_auto_clean
> 	/usr/bin/perl Build realclean --allow_mb_mismatch 1
> Cleaning up build files
> Cleaning up configuration files
>    debian/rules override_dh_clean
> make[1]: Entering directory '/<<PKGBUILDDIR>>'
> dh_clean
> rm -rf /<<PKGBUILDDIR>>/debian/build
> make[1]: Leaving directory '/<<PKGBUILDDIR>>'
>  dpkg-source -b .
> dpkg-source: info: using source format '3.0 (quilt)'
> dpkg-source: info: building libgraphics-gnuplotif-perl using existing ./libgraphics-gnuplotif-perl_1.8.orig.tar.gz
> dpkg-source: info: using patch list from debian/patches/series
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.1.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.2.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.4.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.5.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.6.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.7.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.8.stderr.log' will not be represented in diff
> dpkg-source: warning: newly created empty file '.gnuplot.1463299.9.stderr.log' will not be represented in diff
> dpkg-source: info: local changes detected, the modified files are:
>  libgraphics-gnuplotif-perl-1.8/t/function4.gnuplot.ps
>  libgraphics-gnuplotif-perl-1.8/t/test2.gnuplot
> dpkg-source: error: aborting due to unexpected upstream changes, see /tmp/libgraphics-gnuplotif-perl_1.8-2.diff.OOgl2n
> dpkg-source: info: Hint: make sure the version in debian/changelog matches the unpacked source tree
> dpkg-source: info: you can integrate the local changes with dpkg-source --commit
> dpkg-buildpackage: error: dpkg-source -b . subprocess returned exit status 2
> 
> E: Command 'cd /<<PKGBUILDDIR>> && runuser -u user42 -- dpkg-buildpackage --sanitize-env -us -uc -rfakeroot -S' failed to run.


The full build log is available from:
http://qa-logs.debian.net/2023/08/13/libgraphics-gnuplotif-perl_1.8-2_unstable.log

If you reassign this bug to another package, please mark it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.