Package: debhelper
Version: 13.7.1
Severity: Serious
Justification: FTBFS
Control: block 1012022 by -1

fenics-basix 0.4.2-1exp1 is currently failing to build in a
binary-indep build, see
https://buildd.debian.org/status/logs.php?pkg=fenics-basix&arch=all

The problem occurs when building docs in an
execute_before_dh_install-indep rule.  The doc build (via sphinx)
expects the basix python module to have been built.  The rules file is
available at
https://tracker.debian.org/media/packages/f/fenics-basix/rules-0.4.2-1exp1

The python module build is supposed to have been performed already in
an execute_after_dh_auto_install rule (after dh_auto_install has put
the libbasix.so shared library in place).

We can see in the binary-indep log at
https://buildd.debian.org/status/fetch.php?pkg=fenics-basix&arch=all&ver=0.4.2-1exp1&stamp=1654102080&raw=0
that libbasix.so did get built by the override_dh_auto_build rule, and
got installed by dh_auto_install -i.

But after dh_auto_install -i, the next rule that gets run is
execute_before_dh_install-indep.  execute_after_dh_auto_install never
gets run.

This doesn't meet the intention of the rules file.
execute_after_dh_auto_install should be run after dh_auto_install,
with or without the -i flag, shouldn't it?

In particular, dh --no-act indicates it should have been executed:

$ dh binary-indep --no-act
   dh_testroot -i
   dh_prep -i
   dh_installdirs -i
   dh_auto_install -i
   debian/rules execute_after_dh_auto_install
   debian/rules execute_before_dh_install-indep
   dh_install -i
   dh_installdocs -i
   ...


So it looks like a bug in dh during actual execution, that the
execute_after_dh_auto_install rule is not getting executed.

This bug is blocking #1012022, which is Severity: serious (FTBFS),
hence I'm marking this bug Severity: serious (FTBFS) to match.


-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.17.0-3-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_AU:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages debhelper depends on:
ii  autotools-dev            20220109.1
ii  dh-autoreconf            20
ii  dh-strip-nondeterminism  1.13.0-1
ii  dpkg                     1.21.8
ii  dpkg-dev                 1.21.8
ii  dwz                      0.14-1
ii  file                     1:5.41-4
ii  libdebhelper-perl        13.7.1
ii  libdpkg-perl             1.21.8
ii  man-db                   2.10.2-1
ii  perl                     5.34.0-4
ii  po-debconf               1.0.21+nmu1

debhelper recommends no packages.

Versions of packages debhelper suggests:
ii  dh-make  2.202201

-- no debconf information

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