SPECS/python3.12-wheel.spec

@@ -1,6 +1,11 @@
 %global __python3 /usr/bin/python3.12
 %global python3_pkgversion 3.12
 
+# Workaround for https://issues.redhat.com/browse/CS-1907
+# By defining the %%{__bootstrap} value,
+# we prevent misconfigured Koji putting a literal %%{__bootstrap} in %%dist.
+%{!?__bootstrap:%global __bootstrap %{nil}}
+
 # The function of bootstrap is that it installs the wheel by unzipping it
 %bcond_with bootstrap
 # Default: when bootstrapping -> disable tests
@@ -63,6 +68,14 @@ Provides:       bundled(python%{python3_version}dist(packaging)) = 23
 
 %{bundled}
 
+# Require alternatives version that implements the --keep-foreign flag and fixes rhbz#2203820
+Requires(postun): alternatives >= 1.19.2-1
+
+# python3.12 installs the alternatives master symlink to which we attach a slave
+Requires:       python%{python3_pkgversion}
+Requires(post): python%{python3_pkgversion}
+Requires(postun): python%{python3_pkgversion}
+
 %global _description %{expand:
 Wheel is the reference implementation of the Python wheel packaging standard,
 as defined in PEP 427.
@@ -111,6 +124,8 @@ mv %{buildroot}%{_bindir}/%{pypi_name}{,-%{python3_version}}
 ln -s %{pypi_name}-%{python3_version} %{buildroot}%{_bindir}/%{pypi_name}-3
 ln -s %{pypi_name}-3 %{buildroot}%{_bindir}/%{pypi_name}
 %endif
+# Create an empty file to be used by `alternatives`
+touch %{buildroot}%{_bindir}/%{pypi_name}-3
 
 mkdir -p %{buildroot}%{python_wheel_dir}
 install -p dist/%{python_wheel_name} -t %{buildroot}%{python_wheel_dir}
@@ -125,6 +140,20 @@ install -p dist/%{python_wheel_name} -t %{buildroot}%{python_wheel_dir}
 %pytest -v --ignore build
 %endif
 
+%post -n python%{python3_pkgversion}-%{pypi_name}
+alternatives --add-slave python3 %{_bindir}/python%{python3_version} \
+    %{_bindir}/%{pypi_name}-3 \
+    %{pypi_name}-3 \
+    %{_bindir}/%{pypi_name}-%{python3_version}
+
+%postun -n python%{python3_pkgversion}-%{pypi_name}
+# Do this only during uninstall process (not during update)
+if [ $1 -eq 0 ]; then
+   alternatives --keep-foreign --remove-slave python3 %{_bindir}/python%{python3_version} \
+       %{pypi_name}-3
+fi
+
+
 %files -n python%{python3_pkgversion}-%{pypi_name}
 %license LICENSE.txt
 %doc README.rst
@@ -133,6 +162,7 @@ install -p dist/%{python_wheel_name} -t %{buildroot}%{python_wheel_dir}
 %{_bindir}/%{pypi_name}
 %{_bindir}/%{pypi_name}-3
 %endif
+%ghost %{_bindir}/%{pypi_name}-3
 %{python3_sitelib}/%{pypi_name}*/
 
 %files -n %{python_wheel_pkg_prefix}-%{pypi_name}-wheel