[backend] ensure that new and legacy rpm-md repos get produced

src/api/script/start_test_backend

@@ -202,7 +202,7 @@ Package.all.each do |p|
   Suse::Backend.put( "/source/#{CGI.escape(p.project.name)}/#{CGI.escape(p.name)}/_meta", p.to_axml)
 end
 Suse::Backend.put( '/issue_trackers', IssueTracker.all.to_xml(IssueTracker::DEFAULT_RENDER_PARAMS))
-Suse::Backend.put( '/source/BaseDistro/_config', "# Empty project config" )
+Suse::Backend.put( '/source/BaseDistro/_config', "Repotype: rpm-md-legacy" )
 Suse::Backend.put( '/source/BaseDistro/pack1/my_file', "just a file")
 Suse::Backend.put( '/source/BaseDistro/pack2/my_file', "different content")
 Suse::Backend.put( '/source/BaseDistro/pack2/my_file', "second commit")

src/api/test/functional/maintenance_test.rb

@@ -1861,7 +1861,7 @@ def test_copy_project_for_release
     assert_no_xml_tag :tag => "lock"
     get "/source/CopyOfBaseDistro/_config"
     assert_response :success
-    assert_match %r{Empty project config}, @response.body
+    assert_match %r{Repotype: rpm-md-legacy}, @response.body
     get "/source/BaseDistro"
     assert_response :success
     opackages = ActiveXML::Node.new(@response.body)

src/api/test/functional/published_controller_test.rb

@@ -62,4 +62,29 @@ def test_binary_view
   end
   # FIXME: this needs to be extended, when we have added binaries and bs_publisher to the test suite
 
+  def test_rpm_md_formats
+    # OBS is doing this usually right, but createrepo is quite flaky ...
+    run_scheduler( "i586" )
+    wait_for_publisher()
+
+    login_adrian
+    # default configured rpm-md
+    get "/published/home:adrian:ProtectionTest/repo/repodata"
+    assert_response :success
+    assert_no_xml_tag :tag => 'entry', :attributes => { :name => "filelists.xml.gz" }
+    assert_no_xml_tag :tag => 'entry', :attributes => { :name => "other.xml.gz" }
+    assert_no_xml_tag :tag => 'entry', :attributes => { :name => "primary.xml.gz" }
+    assert_xml_tag :tag => 'entry', :attributes => { :name => "repomd.xml" }
+    assert_match /-filelists.xml.gz$/, @response.body
+    assert_match /-other.xml.gz$/, @response.body
+    assert_match /-primary.xml.gz$/, @response.body
+    # legacy configured rpm-md
+    get "/published/home:Iggy/10.2/repodata"
+    assert_response :success
+    assert_xml_tag :tag => 'entry', :attributes => { :name => "filelists.xml.gz" }
+    assert_xml_tag :tag => 'entry', :attributes => { :name => "other.xml.gz" }
+    assert_xml_tag :tag => 'entry', :attributes => { :name => "primary.xml.gz" }
+    assert_xml_tag :tag => 'entry', :attributes => { :name => "repomd.xml" }
+
+  end
 end

src/backend/bs_publish

@@ -356,7 +356,12 @@ sub createrepo_rpmmd {
   push @createrepoargs, '--changelog-limit', '20';
   push @createrepoargs, '--repo', $repotag;
   my @legacyargs;
-  push @legacyargs, '--simple-md-filenames', '--checksum=sha' if $options{'legacy'};
+  if ($options{'legacy'}) {
+    push @legacyargs, '--simple-md-filenames', '--checksum=sha';
+  } else {
+    # the default in newer createrepos
+    push @legacyargs, '--unique-md-filenames';
+  }
   my @updateargs;
   # createrepo 0.9.9 defaults to usually not used sqlite database. 
   # We do disable it since it is time and space consuming.