Packaging: Introduce builds for EL 9 for IPU 9 -> 10

TODO:
  - update commit msg
  - still incomplete - update Makefile

packaging/leapp-repository.spec

@@ -7,9 +7,19 @@
 %if 0%{?rhel} == 7
     %define leapp_python_sitelib %{python2_sitelib}
     %define lpr_name leapp-upgrade-el7toel8
+    %define repo_shortname el7toel8
+    %define next_major_ver 8
 %else
     %define leapp_python_sitelib %{python3_sitelib}
-    %define lpr_name leapp-upgrade-el8toel9
+    %if 0%{?rhel} == 8
+        %define lpr_name leapp-upgrade-el8toel9
+        %define repo_shortname el8toel9
+        %define next_major_ver 9
+    %else
+        %define lpr_name leapp-upgrade-el9toel10
+        %define repo_shortname el9toel10
+        %define next_major_ver 10
+    %endif
 
     # This drops autogenerated deps on
     #    - /usr/libexec/platform-python  (rhel-8 buildroot)
@@ -84,14 +94,22 @@ Obsoletes:      leapp-repository-sos-plugin <= 0.9.0
 Conflicts:      leapp-upgrade-el8toel9
 
 %else
+# NOTE(pstodulk): else if / elif has been implemented quite late. as we still
+# want to build on RHEL 7 too, go in the old way. Ref:
+# https://github.com/rpm-software-management/rpm/issues/311
+%if 0%{?rhel} == 8
 ######### RHEL 8 ############
 BuildRequires:  python3-devel
 Requires:       python3-leapp
 
 # Same as the conflict above - we want to be sure our packages are untouched
 # during the whole IPU process
 Conflicts:      leapp-upgrade-el7toel8
-
+Conflicts:      leapp-upgrade-el9toel10
+%else
+######### RHEL 9 ############
+Conflicts:      leapp-upgrade-el8toel9
+%endif
 %endif
 
 # IMPORTANT: every time the requirements are changed, increment number by one
@@ -210,18 +228,15 @@ Requires:   python3-gobject-base
 
 
 %build
-%if 0%{?rhel} == 7
-cp -a leapp*deps*el8.noarch.rpm repos/system_upgrade/el7toel8/files/bundled-rpms/
-%else
-cp -a leapp*deps*el9.noarch.rpm repos/system_upgrade/el8toel9/files/bundled-rpms/
-%endif
+cp -a leapp*deps*el%{next_major_ver}.noarch.rpm repos/system_upgrade/%{repo_shortname}/files/bundled-rpms/
 
 
 %install
 install -m 0755 -d %{buildroot}%{custom_repositorydir}
 install -m 0755 -d %{buildroot}%{repositorydir}
 cp -r repos/* %{buildroot}%{repositorydir}/
 install -m 0755 -d %{buildroot}%{_sysconfdir}/leapp/repos.d/
+# NOTE(pstodulk): drop transaction dir and its content if replaced by config files before RHEL 10
 install -m 0755 -d %{buildroot}%{_sysconfdir}/leapp/transaction/
 install -m 0755 -d %{buildroot}%{_sysconfdir}/leapp/files/
 install -m 0644 etc/leapp/transaction/* %{buildroot}%{_sysconfdir}/leapp/transaction
@@ -234,11 +249,10 @@ rm -rf %{buildroot}%{leapp_python_sitelib}/leapp/cli/commands/tests
 
 # Remove irrelevant repositories - We don't want to ship them for the particular
 # RHEL version
-%if 0%{?rhel} == 7
-rm -rf %{buildroot}%{repositorydir}/system_upgrade/el8toel9
-%else
-rm -rf %{buildroot}%{repositorydir}/system_upgrade/el7toel8
-%endif
+for i in el7toel8 el8toel9 el9toel10;
+do
+    [ "$i" != "%{repo_shortname}" ] && rm -rf %{buildroot}%{repositorydir}/system_upgrade/$i
+done
 
 # remove component/unit tests, Makefiles, ... stuff that related to testing only
 rm -rf %{buildroot}%{repositorydir}/common/actors/testactor

packaging/other_specs/leapp-el7toel8-deps.spec

@@ -5,7 +5,11 @@
 %if 0%{?rhel} == 8
     %define lpr_name_src leapp-upgrade-el7toel8-deps
 %else
-    %define lpr_name_src leapp-upgrade-el8toel9-deps
+    %if 0%{?rhel} == 9
+        %define lpr_name_src leapp-upgrade-el8toel9-deps
+    %else
+        %define lpr_name_src leapp-upgrade-el9toel10-deps
+    %endif
 %endif