Bug#988964: please demote diffoscope to Recommends

[John Scott]

Package: reprotest
Version: 0.7.16
Severity: minor

On my system, reprotest has the following Depends/Recommends:
Depends: diffoscope (>= 112~), python3-distro, python3-rstr, python3:any, python3-debian, apt-utils, libdpkg-perl, procps, python3-pkg-resources
Recommends: disorderfs, faketime, locales-all, sudo

Reprotest should really recommend Diffoscope so that users don't need
to install it whom only want to check if packages are reproducible;
this is what the --no-diffoscope argument is for.

I would send a Merge Request, but I frankly can't figure out where this
comes from. The applicable section in debian/control says
Depends: ${python3:Depends},
 python3-debian,
 apt-utils,
 libdpkg-perl,
 procps,
 python3-pkg-resources,
 python3-rstr,
 ${misc:Depends}
Recommends:
 diffoscope (>= 112~),
 disorderfs,
 faketime,
 locales-all,
 sudo,

so my only guess is that Diffoscope gets pulled into
${python3:Depends}?

-- System Information:
Debian Release: 11.0
  APT prefers testing
  APT policy: (500, 'testing'), (2, 'unstable'), (1, 'testing-debug'),
(1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-6-amd64 (SMP w/2 CPU threads)
Kernel taint flags: TAINT_USER, TAINT_WARN, TAINT_FIRMWARE_WORKAROUND
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages reprotest depends on:
ii  apt-utils              2.2.3
ii  diffoscope             172
ii  libdpkg-perl           1.20.9
ii  procps                 2:3.3.17-5
ii  python3                3.9.2-3
ii  python3-debian         0.1.39
ii  python3-distro         1.5.0-1
ii  python3-pkg-resources  52.0.0-3
ii  python3-rstr           2.2.6-2

Versions of packages reprotest recommends:
ii  disorderfs   0.5.11-1
ii  faketime     0.9.8-9
ii  locales-all  2.31-12
ii  sudo         1.9.5p2-3

Versions of packages reprotest suggests:
ii  autodep8     0.24
pn  qemu-system  <none>
ii  qemu-utils   1:5.2+dfsg-10
pn  schroot      <none>

-- no debconf information

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