Fix issues with config and meta when releasing

Signed-off-by: Nicolas Belouin <nicolas.belouin@suse.com>

_config

@@ -108,7 +108,12 @@ BuildFlags: onlybuild:release-manifest-image
 
     # Publish multi-arch container images only once all archs have been built
     PublishFlags: archsync
+    
+    # skopeo and umoci are used by build scripts to list packages
+    Substitute: system-packages:podman podman buildah createrepo_c release-compare skopeo umoci
+%endif
 
+%if "%_repository" == "images"
     # skopeo and umoci are used by build scripts to list packages
     Substitute: system-packages:podman podman buildah createrepo_c release-compare edge-build-checks skopeo umoci
 
@@ -122,6 +127,8 @@ BuildFlags: onlybuild:release-manifest-image
     Patterntype: none
     BuildFlags: dockerarg:SLE_VERSION=16.0
     BuildFlags: onlybuild:kiwi-builder-image
+    
+    Substitute: system-packages:podman podman buildah createrepo_c release-compare skopeo umoci
 
     # Publish multi-arch container images only once all archs have been built
     PublishFlags: archsync
@@ -140,7 +147,9 @@ BuildFlags: onlybuild:release-manifest-image
     %endif
 
 %else
-    BuildFlags: excludebuild:kiwi-builder-image
+    %if "%{sub %{reverse %_project} 1 7}" != "%{reverse :ToTest}" && "%{sub %{reverse %_project} 1 9}" != "%{reverse :Snapshot}"
+      BuildFlags: excludebuild:kiwi-builder-image
+    %endif
 %endif
 
 

_meta

@@ -23,6 +23,9 @@
     <disable/>
     <enable repository="charts"/>
     <enable repository="test_manifest_images"/>
+    {%- if for_release %}
+    <enable repository="releasecharts"/>
+    {%- endif %}
   </build>
   <publish>
     <disable repository="phantomcharts"/>