Stop using alternatives, ship /usr/bin/sphinx-* symlinks directly.

debian/changelog

@@ -3,6 +3,7 @@ sphinx (2.4.3-3) UNRELEASED; urgency=medium
   * Break python3-sphinx-celery < 2.0.0 (closes: #958985).
   * Export http_proxy=http://127.0.0.1:9/ when running the autopkgtest.
   * Make autodoc skip mocked objects (closes: #959558).
+  * Stop using alternatives, ship /usr/bin/sphinx-* symlinks directly.
 
  -- Dmitry Shachnev <mitya57@debian.org>  Mon, 27 Apr 2020 20:33:11 +0300
 

debian/control

@@ -64,6 +64,7 @@ Suggests: dvipng,
 Breaks: python3-breathe (<< 4.13),
         python3-sphinx-celery (<< 2.0.0),
         python3-sphinxcontrib.websupport (<< 1.1.2)
+Conflicts: python-sphinx
 Description: documentation generator for Python projects (implemented in Python 3)
  Sphinx is a tool for producing documentation for Python projects, using
  reStructuredText as markup language.

debian/python3-sphinx.links

+usr/share/sphinx/scripts/python3/sphinx-apidoc     usr/bin/sphinx-apidoc
+usr/share/sphinx/scripts/python3/sphinx-autogen    usr/bin/sphinx-autogen
+usr/share/sphinx/scripts/python3/sphinx-build      usr/bin/sphinx-build
+usr/share/sphinx/scripts/python3/sphinx-quickstart usr/bin/sphinx-quickstart

debian/python3-sphinx.postinst

-#!/bin/sh
-
-set -e
-
-if [ "$1" = configure ]
-then
-	for exe in /usr/share/sphinx/scripts/python3/*
-	do
-		# --force is needed for upgrades from older versions which did not
-		# use the alternatives mechanism
-		update-alternatives --force --install /usr/bin/${exe##*/} ${exe##*/} $exe 30
-	done
-fi
-
-#DEBHELPER#

debian/python3-sphinx.prerm → debian/python3-sphinx.preinst

@@ -2,7 +2,7 @@
 
 set -e
 
-if [ "$1" = remove ] || [ "$1" = deconfigure ]
+if [ "$1" = upgrade ] && dpkg --compare-versions "$2" lt 2.4.3-3~
 then
 	for exe in /usr/share/sphinx/scripts/python3/*
 	do